The URL can be used to link to this page

Browse Search

Home My WebLink About20001235.tiff FORM 920(66.93) PETITION FOR ABATEMENT OR REFUND OF TAXES Must be filed In duplicate and all questions must be answered. Petitioners: Complete this side only. Englewood , Colorado, December 27 , 1999 City or Town lb The Honorable Board of Commissioners of Wel d County Gentlemen: The petition of HS Resources Company whose mailing address is: c/o Logan & Firmine, Inc. 333 W. Hampden Ave. , #740 Englewood Colorado 80110 City or Town State Zip Code SCHEDULE NUMBER DESCRIPTION OF PROPERTY AS LISTED ON TAX ROLL I' See attached schedules. respectfully requests that the taxes assessed against the above property for the years A.D. 19 97 , 19_, are erroneous, illegal, or due to error in valuation for the following reasons: Describe specifically the circumstances surrounding the incorrect value or tax, including owner's estimate of value. (Attach additional sheets if necessary) The 1997 returns for HS Resources Company did not take allowable deductions. C.7 G . V>f l_..J 19 97 19 Assessed Value Tax Value Tax Orig. 80,970,930 6,409,111.30 Abate. 7,170,710 563,680.59 Bal. 73,800,220 5,845,430.71 Therefore the petitioner requests that the taxes may be abated or refunded n the sum of $ 563,680.59 I declare,under penalty of perjury in the second degree that this petition,together with any accompanying exhibits or statements, has been examined by me and to the best of my knowledge, information and belief is true, correct and complete. c/o Logan & Firmine, Inc. 333 W. Hampden Ave. , #740 HS Resources Company Address Englewood, CO 80110-2337 Petitioner By ire-4-f..7,44,0.._ /•/w'7#tnaytime phone number 303-761-8260 /gene NW Every petition for abatement or refund filed pursuant to section 39-10-114 shall be acted upon pursuant to the provisions of this section by the board of county commissioners or the assessor, as appropriate, within six months of the date of filing such petition. 39-1-113(1.7), C.R.S. Cc';,9cec pef 200Q-1235f5 HOECKEL'S•Dens,.CO—36897/N Complete Either Section I or Section II RESOLUTION OF COUNTY COMMISSIONERS Section 1: In accordance with 39-1-113(1.5) C.R.S., the commissioners of County authorize the assessor to review petitions for abatement or refund and to settle by written mutual agreement any such petition for abatement or refund in an amount of one thousand dollars or less per tract, parcel, or lot of land or per schedule of personal property. County Commission Resolution # The assessor and petitioner mutually agree to an assessed value of $ for $ total tax for the year(s) 19.— and an abatement/refund of $ Petitioner's Signature Date Assessor's Signature Date If Section I is not complete and/or if petition is for more than $1,000, Section II must be completed. Section II: Assessors's recommendation: approved;❑ approved in part $ ❑ denied for the following reason(s) Sep M) A}eu> ..�.v-k'mATeV Pi'evvde 4 zte. pit '9Ay'�n e/Ads 71.x-/_ de 1) P. /f ecmnr -Fgu/ed �,a�.P. 1 ��rn -fie /h � T�,� 4r G�lcti,l14-72 /1/21-dam E ✓Ses) e is .7 6, ' . 5'T ,PeerinrleA1d,S r/.4t 8..QSe� tyob�� C'Re le 4unAlib 4tid R7 Aey dheyy B : Sasso WH E S, The County Commissioners of Weld County, State of Colorado, at a duly and lawfully called regular meeting held on the 22nd day of May , A.D. 19 2000 , at which meeting there were present the following members: Chair Barbara J. Kirkmeyer, and Cnmmiccinnarc M T Cniln, George E. Baxter. Dale K Hall and Charm Vaad notice of such meeting and an opportunity to be present having been given to the taxpayer and the Assessor of said County and said Assessor repredented by Michael c meson and taxpayer HS Resources Company helm represented by Tnt+ n i Firrni*tn, Irking present; and (name WHEREAS, The said County Commissioners have carefully considered the within application, and are fully advised in relation thereto, NOW BE IT RESOLVED, That the Board concurs with the recommendation of (concurs or does not concur) the assessor and the petition be approved , and an abatement refund be allowed (approved or denied) (be allowed or not be allowed) on an assessed valuation of $7.170.710 for $ 561,680 59 total tax for the year(s) 19.92__./ Chairman of Board of Cou ty Commissio STATE OF COLORADO, 1 SS. County of Weld I, Donald D. Warden. , GountyxClerhandoEctegfitzict Clerk of the Board of County Commissioners in and for the County of We 1 d State of Colorado, do hereby certify that the above and foregoing order is truly copied from the records of the proceedings of the Board of Count Commissioners `issioners for said Weld County, now in my office. l IN WITNESS WHE' atl 4)\ set my hand and affixed the seal of said County, at Greeley this 4t^ ft ° , A.D. GG2 //( TC )rct ' ni -\`'�� _;_ty� , 4ra1 ja/ Clerk Lt8 _Q , • NJ to the Board OUP 4 By M4ielg---/fra- /-# e ut rk to the Board ACTION OF THE PROPERTY TAX ADMINISTRATOR Denver, Colorado, 4 /Z '10 action of the Board of County Commissioners, relative to a within petition, is hereby approv ;El approved in part $ ❑ denied for the following reason(s) Secretary Property Tax Administrator It cf./ CLERK TO THE BOARD PHONE (970)356-4000, EXT.4218 FAX: (970)352-0242 ' P.O. BOX 758 GREELEY, COLORADO 80632 C. COLORADO May 1, 2000 HS RESOURCES COMPANY CIO LOGAN & FIRMINE INC 333 WEST HAMPDEN AVENUE #740 ENGLEWOOD CO 80110 RE: VARIOUS SCHEDULE NUMBERS Dear Property Owner: This is to advise you that the Weld County Board of Commissioners will hear your petition for abatement or refund of taxes on the property described as: SEE ATTACHED. The meeting is scheduled for May 22, 2000, at 9:00 a.m., at which time you may be heard. You are required to submit any supporting documentation regarding this petition to the Office of the Clerk to the Board and to the Weld County Assessor's Office at least seven calendar days prior to the meeting date in order for it to be considered at said meeting. The Assessor is recommending that the Board APPROVE your petition. The meeting will be held in the First Floor Meeting Room, Weld County Centennial Center, 915 10th Street, Greeley, Colorado, at the above specified time. If you have any questions concerning this matter, please do not hesitate to contact Carol Harding at (970) 356-4000, extension 4217. Sincerely, /aidi et Donald D. Warden Clerk to the Board By: . j ,,, : r 1 1 a - _ Deputy`CIerk to the Board- __ cc: Assessor County Attorney dd, • S (4 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rot]) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 06043186 ACHZIGER HARRY N 1 Weld 15.240 1,094.48 2.130 152.97 13.110 941.51 1750 350 332 2,432 16.546 2.432 0.000000% 0.8750 2130 152.97 B00 0.071816 06043186 ACHZIGER HARRY N 2 Weld 12.810 919.96 ?500 179.54 10,310 74042 2,170 350 332 2,853 13,908 2,853 0,000000% 0.8750 2500 179.54 B00 0.071816 00019395 ANDERSON 12-27 Weld 46.310 3,669.04 3.620 286.81 42,690 3,382.23 3,168 496 470 4,134 50,279 4.134 0.000000% 0.8750 3620 286.81 104 0.079228 00018694 ANDERSON 13-22 Weld 113.630 7,946.82 5,990 418.92 107,640 7.527.90 5,877 496 470 8843 123,370 6.843 0.000000% 0.0750 5990 418.92 820 0.069936 00019495 ANDERSON 41-27 Web 55,750 4,416.96 3,600 285.22 52.150 4,13174 3.145 496 470 4.111 60,529 4,111 0.000000% 0.8750 3600 285.22 104 0.079228 05191186 BADDING#1 J Weld 22.540 1,576.36 2.870 200.72 19.670 1.375.64 2.815 350 332 3,497 26,103 3,497 6.250000% 0.8750 2870 200.72 820 0.069936 00157493 BARCLAY 44-14 J Weld 159.420 11.610.52 4270 310.92 155.150 11,299.60 3.965 467 443 4.874 173.085 4,874 0.000000% 0.8750 4270 310.92 810 0.072816 O0036089 BARNEY LYMAN 3#1 Weld 10,690 767.72 5,030 361.23 5,660 40649 5.239 263 249 5,750 11,606 5750 0.000000% 0.8750 5030 361.23 800 0.071816 04472886 BECKER#1 Weld 37,460 2,901.54 2,770 214.56 34,690 2,686.98 2,602 292 277 3.171 40.671 3.171 0.000000% 0.8750 2770 214.56 121 0.077457 00083791 BERIG UPRR41-35#2 Weld 19,840 1,571.88 2.910 230.55 16,930 1,341.33 2,471 438 415 3,323 21,541 3,323 0.000000% 0.8750 2910 230.55 104 0.079228 04474986 BERIG UPRR 42-35#1 Weld 23,060 1786.16 2,960 229.27 20,100 1,556.89 2.590 408 387 3,385 25,037 3,385 0.000000% 0.8750 2960 229.27 120 0.077457 00107190 BERNHARDT AMOCO 11-19 Weld 34.830 2,874.70 3,660 302.08 31.170 2,572.62 3.328 438 415 4.181 37,815 4,181 0.000000% 0.8750 3660 302.08 544 0.082535 00024095 BERRY 41-8 Weld 45.540 3,546.24 4,110 320.05 41,430 3,226.19 3,733 496 470 4,700 49,443 4,700 0.000000% 0.8750 4110 320.05 524 0.077871 04793086 BERRY#1 J Weld 85,140 6,629.94 4,440 345.75 80,700 6,284.19 4,397 350 332 5,079 92,438 5,079 0.000000% 0.8750 4440 345.75 524 0.077871 00161387 BIG BEND UPRR 31-19#1 Weld 20.580 1594.06 3,320 257.16 17,260 1,336.90 2,996 408 387 3.791 22,344 3,791 0.000000% 0.8750 3320 257.16 121 0.077457 O0070492 BIG BEND UPRR 41-1942 Weld 20.550 1.59174 2,900 224.63 17,650 1.367.11 2.467 438 415 3,320 22.311 3,320 0.000000% 0.8750 2900 224.63 121 0.077457 06219586 BLANDA LEWIS#1 Weld 11,720 819.64 6.030 421.71 5,690 397.93 6,149 379 360 6,888 12.725 6.888 0.000000% 0.8750 6030 421.71 820 0.069936 04367286 BOHLENDER 1-27 Weld 23.230 1,840.46 3,370 267.00 19.860 1.573,46 3,112 379 360 3.851 25,221 3,851 0.000000% 0.8750 3370 267.00 104 0.079228 04367166 BOHLENDER 2-27 Weld 9,650 764.56 3,470 274.92 6.180 489.64 3,066 463 439 3.968 10,477 3.968 0.000000% 0.8750 3470 274.92 104 0.079228 00166893 BOULTER 41-12 Weld 32,560 2,423.54 3.180 236.70 29,380 2,186.84 2,722 467 443 3,631 35,351 3,631 0.000000% 0.8750 3180 236.70 106 0.074433 00167093 BOULTER42-12 Weld 27.180 2,023.08 3.330 247.86 23,850 1,775.22 2,893 467 443 3.803 29,510 3.803 0.000000% 0.8750 3330 247.86 106 0.074433 00170193 BROWN 33-24 Weld 41,260 3,268.94 3.310 262.24 37,950 3,006.70 2,871 467 443 3,781 44,797 3,781 0.000000% 0.8750 3310 262.24 108 0.079228 00070392 BROWN 34-24#1 Weld 119.770 9.489.14 3,510 278.09 116,260 9,211.05 3,165 438 415 4,017 130,036 4,017 0.000000% 0.8750 3510 278.09 108 0.079228 00169993 BROWN 43-24 Weld 53,010 4.199.88 3.190 252.74 49,820 3,947.14 2,734 467 443 3,644 57,554 3,644 0.000000% 0.8750 3190 252.74 108 0.079228 00168893 BROWN 44-24 Weld 36,300 2,875.98 3.300 261.45 33,000 2,614.53 2,865 467 443 3,774 39,411 3,774 0.000000% 0.8750 3300 261.45 108 0.079228 00253588 BROWN#1 Weld 26.700 2,11538 2.580 204.41 24,120 1,910.97 2.238 364 345 2,947 28,989 2,947 0.000000% 0.8750 2580 204.41 108 0.079228 00117695 CANNON 42-3 Weld 40,980 2,710.38 2,890 191.14 38.090 2.519.24 2,341 496 470 3,307 44,493 3,307 0.000000% 0.8750 2890 191.14 803 0.066139 00085391 CANNON LAND UPRR 41-3#2 Weld 17,410 1,15148 2,720 179.90 14.690 971.58 2,260 438 415 3.113 18,902 3.113 0.000000% 0.8750 2720 179.90 803 0.066139 05852786 CARLSON RUBY B D#1 Weld 7,200 517.08 1.790 128.55 5.410 388.53 1.417 321 304 2,042 7,817 2,042 0.000000% 0.8750 1790 128.55 B00 0.071816 05852686 CARLSON RUBY B#1 Weld 40 2.88 40 2.87 0 0.01 629 364 345 1,338 43 43 0.000000% 0.8750 40 2.87 800 0.071816 00052694 CARTER 11-33 Weld 78,830 5,661.26 8,990 645.63 69,840 5,015.63 9,363 467 443 10,272 85,587 10.272 0.000000% 0.8750 8990 645.63 800 0.071816 00018994 CARTER 21-33 Weld 44,610 3,203.72 9,860 708.11 34,750 2,495.61 10.363 467 443 11,272 48,434_ 11,272 0.000000% 0.8750 9860 708.11 800 0.071816 O0270688 CAVANAUGH FRANK M I Weld 990 71.11 940 67.51 50 3.60 2,280 292 277 2,849 1,075 1,075 0.000000% 0.8750 940 67.51 800 0.071816 00270688 CAVANAUGH FRANK M 2 Weld 5,150 369.85 2,500 179.54 2,650 190.31 2,236 321 304 2,861 5,591 2,861 0.000000% 0.8750 2500 179.54 800 0.071816 00270688 CAVANAUGH FRANK M 3 Weld 5.840 419.41 2,540 18241 3300 237.00 2,280 321 304 22,906 6,341 2.906 0.000000% 0.8750 2540 182.41 800 0.071816 00270688 CAVANAUGH FRANK M 4 Weld 2,740 19677 2,540 182.41 200 14.36 2.283 321 304 2,909 2.975 2.909 0.000000% 0.8750 2540_ 182.41 800 0.071816 06040186 CHIKUMA HARRY S UT 041 Weld 10 0 72 10 0 72 0 0.00 477 350 332 1,159 11 11 0.000000% 0.8750 10 0.72 800 0.071816 06039986 CHIKUMA UNIT#1 Weld 2.070 148.66 870 62.48 1,200 86.18 480 263 249 992 2,247 992 0.000000% 0.8750 870 62.48 800 0.071816 06039886 CHIKUMA HARRY S#1 Weld 5,930 425.88 2,250 161.59 3,680 264.29 2,063 263 249 2,574 6,438 2.574 0 000000% 08750 2250 161.59 800 0.07'816 Page 1 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.! Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 06039886 CHIKUMA HARRY S#2 Weld 740 53.14 700 5027 40 2.87 486 263 249 997 803 803 0000000% 0.8750 700 50.27 800 0.071816 06039886 CHIKUMA HARRY S#3 Weld 1.190 85.46 1,130 81.15 60 4.31 1,917 263 249 2,429 1,292 1,292 0.000000% 0.8750 1130 81.15 800 0.071816 06039886 CHIKUMA HARRY S#5 Weld 0 0.00 0 0.00 0 0.00 477 350 332 1,159 0 0 0.000000% 0.8750 0 0.00 800 0.071816 00167789 CLARK FRANCES DOUGHTY I Weld 5.190 357.04 2.510 172.67 2.680 184.37 2,298 292 277 2,866 5.635 2.866 0.000000% 0.8750 2510 172.67 807 0.068792 00167789 CLARK FRANCES DOUGHTY 2 Weld 7,300 502.18 2.620 180.24 4,680 321.94 2,365 321 304 2.990 7.926 2,990 0.000000% 0.8750 2620 180.24 807 0.068792 00167789 CLARK FRANCES DOUGHTY 3 Weld 2.140 147.22 1,010 6948 1.130 77.74 476 350 332 1.158 2.323 1,158 0.000000% 0.8750 1010 69.48 807 0.068792 O0072092 CLARK FRANCES DOUGHTY 5 Weld 30 2.06 30 2.06 0 0.00 477 408 387 1.273 33 33 0.000000% 0.8750 30 2.06 807 0.068792 05179786 CLC GU#1 Weld 84,490 6,067 74 3,230 231.97 81.260 5,835.77 3.143 292 277 3.711 92,233 3,711 0543440% 0.8750 3230 231.97 800 0.071816 05178586 CLC GU#2 Weld 26.940 1,884.08 3,190 223.10 23.750 1,660.98 2.980 350 332 3.662 29,409 3.662 0.543440% 08750 3190 223.10 820 0069936 05265086 COBURN CLEMENTINE B UT 1 Weld 11,300 811.52 4,800 344.72 6,500 466.80 4,862 321 304 5,488 12,269 5,488 0000000% 0.8750 4800 344/2 800 0.071816 05265186 COBURN CLEMENTINE B UT B1 Weld 10,390 746.16 3.860 277.21 6,530 468.95 3,782 321 304 4,407 11,281 4,407 0.000000% 0.8750 3860 277.21 800 0.071816 00019195 CRAVEN 33-22 Weld 45.990 3643.70 3.600 28522 42.390 3.35848 3,143 496 470 4,110 49,932 4.110 0000000% 0.8750 3600 285.22 104 0079228 00018995 CRAVEN 44-22 Weld 23,190 1,837.30 3,580 283.64 19.610 1,553.66 3.130 496 470 4,096 25.178 4,096 0000000% 0.8750 3580 283.64 104 0.079228 05391886 DEVORE#1 Weld 9.480 690.30 2.900 21117 6,580 479.13 2,741 292 277 3,310 10,293 3,310 0.000000% 0.8750 2900 211.17 810 0.072816 05391886 DEVORE#2 Weld 11,820 860.69 2,950 214.81 8.870 645.88 2,808 292 277 3,376 12,833 3,376 0.000000% 0.8750 2950 214.81 810 0.072616 05391886 DEVORE#3 Weld 14,720 1.07185 2,920 212.62 11,800 859.23 2.712 321 304 3.337 15.982 3,337 0.000000% 0.8750 2920 21262 810 0.072816 05391886 DEVORE#4 Weld 13,980 1,017.96 2.890 21044 11,090 807.52 2,675 321 304 3,300 15,178 3,300 0.000000% 0.8750 2890 210.44 810 0.072816 00164693 DOLPH UPRR 32-1 Weld 18.220 1,205.52 3.360 222.31 14,860 983.21 2,808 529 502 3.839 19.782 3.839 0.000000% 08750 3360 222.31 332 0.066165 00106990 DOLPH UPRR 42-1 Weld 9,130 604.08 2.550 168.72 6,580 435.36 2,066 438 415 2,918 9,913 2,918 0000000% 0.8750 2550 168.72 332 0066165 06042486 DOVERSBERGER EUGENE 1 Weld 10 0.71 10 0.72 0 -0.01 619 292 277 1,187 11 11 0.000000% 0.8750 10 0.72 B00 0.071816 06042486 DOVERSBERGER EUGENE 2 Weld 7,710 553.70 2,660 191.03 5.050 36267 2.472 292 277 3,040 8,371 3,040 0000000% 0.8750 2660 191.03 800 0071816 06042486 DOVERSBERGER EUGENE 3 Weld 7,460 535/5 2.660 191.03 4,800 344.72 2.416 321 304 3.042 8,099 3,042 0.000000% 0.8750 2660 191.03 800 0.071816 06042486 DOVERSBERGER EUGENE 4 Weld 7.930 569.50 2,970 21329 4,960 356.21 2.707 350 332 3,389 8,610 3,389 0.000000% 0.8750 2970 213.29 800 0.071816 05423486 DUTCHER C#1 Weld 2.570 187.14 1.970 143.45 600 43.69 1.628 321 304 2,253 2.790 2.253 0.000000% 08750 1970 143.45 810 0072816 05423486 DUTCHER C#2 Weld 3,360 244.66 2,190 15947 1,170 85.19 1,879 321 304 2,504 3,648 2,504 0.000000% 0.8750 2190 159.47 810 0.072816 05423286 DUTCHER ROY UNIT 6#1 Weld 8,620 627.67 2.150 15655 6.470 471.12 1,885 292 277 2.453 9,359 2.453 0.000000% 0.8750 2150 156.55 810 0.072816 05423286 DUTCHER ROY UNIT B#2 Weld 15,680 1,141.75 2,200 160.20 13,480 98155 1,889 321 304 2.515 17.024 2.515 0.000000% 0.8750 2200 160.20 810 0.072816 05416786 ELKHORN CO B#2 Weld 0 000 0 0.00 0 0.00 926 292 277 1,494 0 0 0000000% 0.8750 0 0.00 825 0.076524 05416786 ELKHORN CO B#3 Weld 11,940 91371 2,240 17141 9.700 742.30 1992 292 277 2,561 12.963 2,561 0.000000% 0.8750 2240 171.41 825 0.076524 05416786 ELKHORN CO 884 Weld 630 48.21 600 45.91 30 2.30 1,124 321 304 1,749 684 684 0.000000% 0.8750 600 45.91 825 0.076524 05416786 ELKHORN CO B#6 Weld 1440 110.19 1,370 104.84 70 5.35 1,019 321 304 1,644 1,563 1,563 0.000000% 08750 1370 104.84 825 0.076524 05416786 ELKHORN CO B#7 Weld 6,320 48363 2,150 164.53 4,170 319.10 1,836 321 304, 2,461 6,862 2,461 0.000000% 0.8750 2150 164.53 825 0.076524 05416786 ELKHORN CO 888 Weld 1.730 132.39 1,290 98/2 440 33.67 849 321 304 1,474 1,878 1,474 0.000000% 0.8750 1290 98.72 825 0.076524 05416786 ELKHORN CO 689 Weld 11.930 912.93 2,520 192.84 9,410 72009 2,251 321 304 2,876 12,953 2,876 0.000000% 0.8750 2520 192.84 825 0.076524 00281894 ELLIS42-22 Weld 30,580 2422.80 3,020 239.27 27.560 2.183.53 2.653 467 443 3,563 34.237 3,563 3.025005% 0.8/50 3020 239.27 108 0.079228 00163393 EWING 23-30 Weld 15,160 1,088.74 5,100 366.26 10,060 722.48 4,916 467 443 5.825 16,459 5,825 0000000% 0.8750 5100 366.26 800 0071816 06218786 FAHRENBRUCH A#1 Weld 0 000 0 000 0 000 788 379 360 1.527 0 0 0.000000% 0.8750 0 0.00 820 0.069936 05291486 FEHRN W W#1 Weld 1.620 116.34 1.460 104.85 160 1149 960 364 345 1,669 1.759 1,669 0.000000% 08750 1460 104.85 800 0.071816 06037686 FORTUNATO BLANCHEM 1 Weld 7,130 51204 1950 140.04 5,186 372.00 1.608 321 304 2,233 7,741 2,233 0000000% 06750 1950 14004 800 0.071816 Page 2 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (RO1) (Rob) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00023495 FREAUFF 33-4 Weld 60,500 4,524.44 3,390 253.52 57.110 4,270.92 2,910 496 470 3,876 65,686 3.876 0.000000% 0.8750 3390 253.52 124 0.074784 00023795 FREAUFF 34-4 Weld 26,060 1,948.88 3,830 286.42 22.230 1,66246 3,407 496 470 4,373 28.294 4.373 0.000000% 0.8750 3830 28642 124 0074784 00115295 FREAUFF 43-4 Weld 33,480 2,503.76 4,220 315.59 29,260 2,188.17 3,856 496 470 4,822 36,350 4.822 0.000000% 0.8750 4220 315.59 124 0.074784 04789786 FREAUFF#1 Weld 14.890 1.113 54 4.170 311.85 10.720 801.69 3.993 397 376 4.766 16.166 4.766 0.000000% 0.8750 4170 311.85 112 0.074784 00169693 FRITZLER 11-22 Weld 20,050 1.588.52 3,240 256.70 16,810 1.33182 2,798 467 443 3,708 21.769 3,708 0.000000% 0.8750 3240 256.70 104 0.079228 00075192 FRITZLER 12-22#1 Weld 38.840 3,008.42 4.500 348.56 34,340 2659.86 4.229 467 443 5.138 42,169 5.138 0.000000% 0.8750 4500 348.56 121 0.077457 00169893 FRITZLER 21-22 Weld 35.520 2.814.18 3.130 247.98 32,390 2.566.20 2,666 467 443 3.576 38.565 3,576 0.000000% 0.8750 3130 247.98 104 0.079228 00169793 FRITZLER 22-22 Weld 26.840 2.078.94 3.010 233.15 23.830 1,845.79 2.525 467 443 3,434 29,141 3,434 0.000000% 0.8750 3010 233.15 121 0.077457 00168693 FRITZLER 32-22 Weld 31,510 2,496.48 3,090 244.81 28.420 2,251.67 2.628 467 443 3,538 34,246 3.538 0.103125% 0.8750, 3090 244.81 104 0.079228 00168593 FRITZLER 41-22 Weld 69,270 5,488.12 3,690 292.35 65.580 5.195.77 3,435 467 443 4,345 77.553 4,345 3.025005% 0.8750 3690 292.35 108 0.079228 00169093 FRITZLER UPRR 31-31 Weld 32.830 2,542.92 3.200 247.86 29,630 2,295.06 2,748 467 443 3.657 35,644 3.657 0.000000% 0.8750 3200 247.86 121 0.077457 04411486 FRITZLER 13'#1 Weld 7.730 612.44 2.390 189.35 5,340 423.09 2,109 331 314 2.753 8,452 2,753 0.706250% 0.8750 2390 189.35 108 0.079228 04788886 FT ST VRAIN#1 Weld 42.200 3155.88 5,330 398.60 36.870 2,75728 5,406 350 332 6.088 45,817 6,088 0.000000% 0.8750 5330 398.60 112 0.074784 04794186 FT ST VRAIN#10 Weld 46,810 3484.20 4,230 314.85 42,580 3,169.35 4,099 379 360 4,838 50,822 4,838 0.000000% 0.8750 4230 314.85 106 0.074433 O0092289 FT ST VRAIN#11 Weld 31,220 2,323.80 3.560 264.98 27,660 2.058 82 3221 438 415 4,073 33,896 4.073 0.000000% 0.8750 3560 264.98 106 0.074433 04794486 FT ST VRAIN#12 Weld 21,800 1,622.64 3.650 271.68 18.150 1,350.96 3,484 350 332 4.166 23,669 4,166 0 000000% 0.8750 3650 271.68 101 0.074433 04794286 FT ST VRAIN#13 Weld 13,900 1,034.62 4.210 313.36 9.690 721.26 4.126 350 332 4,808 15,091 4,808 0.000000% 0.8750 4210 313.36 101 0.074433 04794586 FT ST VRAIN#14 Weld 86,630 6,448.14 3240 241.16 83390 6,206.98 2960 379 360 3,699 94.055 3,699 0.000000% 0.8750 3240 241.16 101 0.074433 04788286 FT ST VRAIN#15 Weld 13.060 972.10 3,620 269.45 9.440 702.65 3,399 379 360 4,138 14.179 4,138 0000000% 0.8750 3620 26945 106 0.074433 04788786 FT ST VRAIN#16 Weld 11,630 900.82 3,610 279.62 8,020 621.20 3,446 350 332 4,128 12,627 4,128 0.000000% 0.8750 3610 279.62 120 0.077457 00124294 FT ST VRAIN#18 Weld 27,220 2035.62 4,190 313.34 23,030 1,722.28 3,883 467 443 4.792 29,553 4.792 0.000000% 0.8750 4190 313.34 112 0.074784 00124394 FT ST VRAIN#19 Weld 53,540 4003.94 3570 266.98 49,970 3736.96 3,168 467 443 4,077 58.129 4,077 0.000000% 0.8750 3570 266.98 112 0.074784 04793686 FT ST VRAIN#2 Weld 31470 2,353.46 3,940 294.65 27,530 2,058.81 3.821 350 332 4,503 34,167 4,503 0.000000% 0.8750 3940 294.65 112 0.074784 00073093 FT ST WAIN#20 Weld 23.880 1,785.84 3.430 25651 20,450 1.529.33 3,015 467 443 3.924 25,927 3.924 0.000000% 0.8750 3430 256.51 112 0.074784 00124494 FT ST VRAIN#21 Weld 46,090 3,446 80 4,390 328.30 41.700 3,118.50 4,103 467 443 5.013 50,041 5.013 0.000000% 0.8750 4390 328.30 112 0.074784 O0072993 FT ST VRAIN#22 Weld 34,310 2,553.80 4,510 335.69 29.800 2,218.11 4.247 467 443 5.156 37,251 5,156 0.000000% 0.8750 4510 335.69 106 0.074433 _ 00124894 FT ST VRAIN#23 Weld 64,570 4,806.14 3,610 268.70 60,960 4.537.44 3212 467 443 4,121 70.105 4,121 0.000000% 0.8750 3610 268.70 106 0.074433 00124994 FT ST VRAIN#24 Weld 28,840 2,146.64 3,670 273.17 25,170 1,873.47 3,281 467 443 4,191 31,312 4,191 0.000000% 0.8750 3670 273.17 106 0.074433 00047994 Fl ST VRAIN#25 Weld 53,970 4,036.10 4750 355.22 49,220 3,680.88 4,522 467 443 5,431 58,596 5.431 0.000000% 0.8750 4750 355.22 112 0.074784 O0047594 FT ST VRAIN#26 Weld 49,170 3,677.12 3,660 273.71 45,510 3,403.41 3,275 467 443 4,185 53,385 4.185 0.000000% 0.8750 3660 273.71 112 0.074784 00047794 FT ST VRAIN#29 Weld 29,270 2,188.92 4.630 346.25 24,640 1,842.67 4,381 467 443 5,291 31,779 5,291 0.000000% 0.8750 4630 346.25 112 0.074784 04793386 FT ST VRAIN#3 Weld 18,580 1,389.48 3.910 292.41 14,670 1,097.07 3,783 350 332 4,465 20,173 4,465 0.000000% 0.8750 3910 292.41 112 0.074784 00047894 FT ST VRAIN#30 Weld 25.230 1,88680 3,730 278.94 21,500 1.607.86 3,350 467 443 4,260 27,393 4.260 0.000000% 0.8750 3730 278.94 112 0.074784 04793986 FT ST VRAIN#4 Weld 23,040 1,714.94 3,290 244.88 19,750 1470.06 3,073 350 332 3,755 25,015 3,755 0.000000% 0.8750 3290 244.88 106 0.074433 04794086 FT ST VRAIN#5 Weld 27.680 2.060.30 3,180 236.70 24.500 1,82360 2,954 350 332 3,636 30,053 3,636 0.000000% 0.8750 3180 236.70 106 0.074433 04789086 FT ST VRAIN#6 Weld 36.750 2,748.32 4,040 302.13 32.710 2.446.19 3,938 350 332 4,620 39,900 4,620 0.000000% 0.8750 4040 302.13 112 0.074784 04789486 FT ST VRAIN#7 Weld 40,650 3,039.96 4,420 330.55 36230 2,709.41 4.371 350 332 5.053 44,134 5,053 0.000000% 0.8750 4420 330.55 110 0.074784 04793786 FT ST VRAIN#8 Weld 28.510 2.132.10 6.110 456.93 22 400 1 675 17 6.303 350 332 6.985 30.954 6.985 0.000000% 0.8750 6110 456.93 112 0.074784 04793586 FT ST VRAIN#9 Weld 32.270 2.41128 3.570 266.98 28.700 2,146.30 3 394 350 332 4.076 35.036 4,076 0.000000% 0.8750 3570 266.98 112 0.074784' Page 3 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original 'Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.I Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 05423086 GERHARDT GEORGE H#1 Weld 10090 704.21 2.980 20]98 7,110 496.23 2,834 292 277 3,403 10,955 3403 0.000000% 08750 2980 207.98 804 0.069792 —05423086 GERHARDT GEORGE H k2 Weld 13730 958.25 2,030 141.68 11,700 816.5] 1,751 292 277 2,319 14,907 2.319 0.000000% 0.8750 2030 141.68 804 0.069792 05423086 GERHARDT GEORGE H#3 Weld 16,940 1,182.27 2.310 161.22 14.630 1,021.05 2.020 321 304 2,645 18,392 2.645 0.000000% 0.8750 2310 161.22 804 0.069792 05423086 GERHARDT GEORGE H#4 Weld 5,430 378.97 2.030 141.68 3,400 237.29 1.523 408 387 2,319 5,895 2,319 0.000000% 0.8750 2030 141.68 804 0.069792 00200487 GLENN 31-10 Weld 28,780 2.012.76 6,590 460.88 22,190 1,551.88 6,627 467 443 7,537 31,247 7,537 0.000000% 0.8750 6590 46088 820 0.069936 00163193 GLENN 41-10 Weld 41,590 2,908.64 8,870 620.33 32,720 2,288.31 9.226 467 443 10.136 45,155 10,136 0.000000% 0.8750 8870 620.33 829 0.069936 O0050494 GLENN 42-10 Weld 17,490 1.223.18 5,430 379.75 12,060 843.43 5,301 467 443 6.210 18,989 6,210 0.000000% 0.8750 5430 379.75 820 0.069936 00283194 GORDON FARMS 21-15 J Weld 93.270 6.416.22 3,230 222.20 90,040 6.194.02 2.786 467 443 3,696 101,265 3,696 0.000000% 0.8750 3230 222.20 807 0.068792 O0096089 GUTFELDER AMOCO 14-19 Weld 36.690 2,730.94 2.910 216.60 33,780 2,514.34 2.475 438 415 3,327 39,835 3.327 0.000000% 0.8750 2910 216.60 106 0.074433 00061094 GUTFELDER AMOCO 24-19 Weld 23,360 1,73876 3,090 230.00 20,270 1,508.76 2,625 467 443 3.535 25.362 3,535 0.000000% 0.8750 3090 230.00 106 0.074433 00062794 HEIN 31-1 Weld 49.260 3,388.70 3,630 249.71 45,630 3,138.99 3.235 467 443 4,144 53,482 4.144 0.000000% 0.8750 3630 249.71 807 0.068792 06041886 HEIT ANTONE C B#1 Weld 30 2.11 30 2.10 0 0.01 477 292 277 1,045 33 33 0.000000% 0.8750 30 2.10 820 0069936 _ 06041886 HEIT ANTONE C B#2 Weld 8.550 597.95 2,560 179.04 5,990 41891 2.304 321 304 2,929 9,283 2,929 0.000000% 0.8750 2560 179.04 820 0.069936 00163293 HOMEWARD 22-10 Weld 460 32.18 440 30.77 20 1.41 1,299 467 443 2,209 499 499 0.000000% 0.8750 440 30.77 820 0.069936 06057586 HUETT JOSEPH UT B#1 Weld 7,800 560.16 2,770 198.93 5.030 361.23 2,539 321 304 3,164 8,469 3,164 0.000000% 0.8750 2770 198.93 800 0.071816 06057686 HUETT JOSEPH UT C#1 Weld 6.220 446.70 2,800 201.08 3,420 245.62 2.518 350 332 3,200 6,753 3,200 0.000000% 0.8750 2800 201.08 800 0.071816 06057886 HUETT FRED L#1 Weld 10,070 723.18 2.070 148.66 8,000 574.52 1741 321 304 2.366 10,933 2,366 0.000000% 0.8750 2070 148.66 800 0.071816 06057886 HUETT FRED L#2 Weld 10,020 719.60 2.780 199.65` 7,240 519.95 2,494 350 332 3,176 10,879 3,176 0.000000% 0.8750 2780 199.65 800 0.071816 00077094 INOUYE44-36 Weld 28.830 1,98190 2,910 200.18 25.900 1,781.72 2,415 467 443 3,325 31,279 3,325 0.000000% 0.8750 2910 200.18 807 0.068792 05572186 INOUYE HARRY UT 1 Weld 140 9.64 130 8.94 10 0.70 618 321 304 1,243 152 152 0.000000% 0.8750 130 8.94 807 0.068792 00326295 ISOM ROBERT M UT 1 Weld 13.770 988.90 2,570 184.57 11,200 804.33 2,309 321 304 2.934 14,950 2,934 0.000000% 0.8750 2570 184.57 800 0.071816 00326195 ISOM ROBERT M UT Bk1 Weld 10.730 770.58 2,030 145.79 8,700 624.79 1,639 350 332 2,321 11,650 2,321 0.000000% 0.8750 2030 145.79 800 0.071816 00134195 JACKSON 43-8 Weld l 34,970 2,615.20 3.580 267.73 31,390 2,347.47 3,179 467 443 4.088 37,967 4,088 0.000000% 0.8750 3580 267.73 124 0.074784 04352686 JERKE 1-15 Weld 40,160 3,19042 3,350 266.80 36.810 2.931 62 3.086 379 360 3.825 43,602 3,825 0.000000% 0.8750 3350 266.80 138 0.079642 00091989 JERKE#2 Weld 17,250 1,373.82 3,810 303.44 13,440 1,070.38 3,55] 408 387 4,352 18,729 4.352 0.000000% 0.8750 3810 303.44 140 0.079642 00136088 JOHNSON 6-30 Weld 23,700 1,835.74 3,080 238.57 20,620 1,597.17 2,730 408 387 3,526 25,731 3526 0.000000% 0.8750 3080 238.57 121 0.077457 00169288 JOHNSON FARMS 34-201 AMOCO Weld 25,920 1,929.30 3,230 240.42 22,690 1,688.88 2,900 408 387 3.696 28,142 3.696 0000000% 0.8750 3230 240.42 101 0.074433 00107290 JOHNSON FARMS 43-202 AMOCO Weld 36.540 2,719.78 3,040 226.28 33.500 2.493.50 2.618 438 415 3,471 39,672 3,471 0.000000% 0.8750 3040 226.28 101 0.074433 O0042387 JOHNSON UPRR 31-35 Weld 11,910 886.50 2,850 212.13 9,060 674.37 2.456 408 387 3,252 12.931 3.252 0.000000% 0.8]50 2850 212.13 106 0.074433 00169293 JOHNSON UPRR 32-35 Weld 36,680 2,730.20 3,340 248.61 33,340 2,481.59 2,910 467 443 3,820 39,824 3,820 0.000000% 0.8750 3340 248.61 106 0.074433 05165086 JOHNSON ROLLAND A#1 Weld 7,850 542.92 2,300 159.07 5,550 38385 2,007 321 304 2.632 8.523 2,632 0.000000% 0.8750 2300 159.07 815 0.069163 05164386 JOHNSON A UNIT B#1 ROLLAND Weld 1,620 107.14 1,540 101.85 80 5.29 1.568 321 304 2193 1,822 1,822 3.440620% 0.8750 1540 101.85 803 0.066139 05164586 JOHNSON A UNIT C#1 ROLLAND Weld 11,050 730.84 2,270 150.14 8,780 580.70 2,014 350 332 2,696 12,470 2,696 3.793750% 0.8750 2270 150.14 803 0.066139 05164686 JOHNSON A UNIT D#1 ROLLAND Weld 10,880 719.60 4,610 304.90 6,270 414.70 4,789 350 332 5,471 12,278 5,471 3.793750% 0.8750 4610 304.90 803 0.066139 00168393 JOHNSTON UPRR 12-19 Weld 25.500 2.06640 3.440 278.76 22.060 1,787.64 3,023 467 443 3,932 27.686 3,932 0.000000% 0.8750 3440 278.76 516 0.081035 00131188 KEISER 13-28 Weld 21,650 1,676.94 4,510 349.33 17,140 1,327.61 4,395 408 387 5,191 23.660 5.191 0.650560% 0.8750 4510 349.33 121 0.077457 05177486 KELLY GU#1 Weld 21.230 1 460 46 3.260 224.26 17,970 1,236.20 3,163 292 277 3731 23.050 3.731 0.000000% 0.8750 3260 22426 807 0.068792 05177486 KELLY Gil 142 Weld 55.740 3.83446 3370 23183 52.370 3,602.63 3.166 350 332 3.848 60,518 3,848 0.000000% 0.8150 3370 231.83 807 0.066792 05163186 KELLY 91 Weld 4 140 7540 1.080 7143 60 397 1.248 350 332 1,930 1,238 1,238 0.000000%1 0.8750, '080 7143 803 2966139 Page 4 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 06041586 KIEFER GEORGE W UT B#1 Weld 6.730 470.67 2,570 17974 4,160 29093 2,367 292 277 2,935 7.307 2.935 0.000000% 0.8750 2570 179.74 820 0.069936 06041586 KIEFER GEORGE W UT B#2 Weld 8.340 583.27 2.520 176.24 5.820 407.03 2,256 321 304 2.882 9.055 2,882 0.000000% 0.8750 2520 176.24 820 0.069936 00072792 KIEFER GEORGE W UT 843 Weld 4,290 308.09 2,520 180.98 1,770 127.11 2,254 321 304 2.879 4.658 2.879 0.000000% 0.8750 2520 180 98 800 0.071816 00072792 KIEFER GEORGE W UT B#4 Weld 4,440 318.87 2,570 184.57 1,870 134.30 2.254 350 332 2,936 4.821 2,936 0.000000% 08750 2570 184.57 800 0.071816 06040886 KIEFER GEORGE W UT C#1 Weld 4,590 329.64 2.570 184.57 2,020 145.07 2,250 350 332 2.932 4,983 2,932 0.000000% 08750 2570 184.57 800 0.071816 00162487 KISSLER 12-21#1 Weld 12.970 1,004.62 2.900 224.63 10.070 77999 2,520 408 387 3,316 14,082 3,316 0000000% 0.8750 2900 224.63 121 0.077457 00061594 KISSLER 22-21 Weld 15.980 1.23]76 2.910 22540 13.070 1,012.36 2,584 379 360 3,323 17,350 3.323 0.000000% 0.8750 2910 225.40 121 0.077457 00019895 KNAUB 22-27 Weld 50,730 4,01924 3.710 293.94 47.020 3..725.30 3.275 496 470 4.241 55,078 4.241 0.000000% 0.8750 3710 293.94 104 0.079228 04367986 KRAUSE 1-28 Weld 104,710 8,295.96 3,760 297.90 100,950 7.998.06 3,564 379 360 4.303 113.685 4.303 0.000000% 0.8750 3760, 297.90 104 0.079228 O0092089 KRAUSE 2-28 Weld 25.940 2,055.18 3,740, 296.31 22,200 1758.87 3,480 408 387 4,276 28,163 4.276 0.000000% 0.8750 3740 296.31 104 0.079228 05159886 KUGEL"Er#1 Weld 9,860 652.14 2.610 172.62 7.250 479.52 2,407 298 282 2,987 10,705 2,987 0.000000% 0.8750 2610 172.62 803 0.066139 00018394 KUNZMAN 14-5 Weld 16,180 1,070.12 3,080 203.71 13,100 866.41 2,613 467 443 3,522 17,567 3,522 0.000000% 0.8750 3080 203.71 803 0.066139 00161593 KUNZMAN 43-6 Weld 30,940 2,046.34 3,050 201.72 27.890 1,844.62 2,712 467 443 3,621 34,919 3,621 3.801500% 0.8750 3050 201.72 803 0.066139 05162686 KUNZMAN JOHN A UNIT B#1 Weld 9,470 626.34 1,980 130.96 7.490 495.38 1,779 292 277 2,348 10,688 2,348 3.801560% 08750 1980 130.96 803 0.066139 00185793 KUNZMAN JOHN A#1 Weld 1,590 105.16 1.510 99.87 80 5.29 2,195 292 277 2,763 1726 1,726 0000000% 0.8750 1510 99.87 803 0066139 00185793 KUNZMAN JOHN A#2 Weld 3.830 253.32 2,240 148.15 1,590 105.17 1,938 321 304 2,563 4,158 2,563 0.000000% 0.8750 2240 148.15 803 0066139 05160486 KUNZMAN JOHN A#3 Weld 5,590 369.73 1.720 113.76 3,870 255.97 1,341 321 304 1,967 6,069 1.967 0.000000% 0.8750 1720 11376 803 0.066139 05160486 KUNZMAN JOHN A#4 Weld 960 63.49 910 60.19 50 3.30 858 350 332 1,541 1,042 1,042 0.000000% 0.8750 910_ 60.19 803 0.066139 00310994 KURTZ#1 Weld 84,100 6,289.34 4,350 325.31 79,750 5,964.03 4,291 350 332 4,973 91,309 4,973 0.000000% 0.8750 4350 325.31 124 0.074784 06038086 LAMBRECHT AUGUST G#1 Weld 10,050 721.76 5.360 384.93, 4,690 336.83 5,619 263 249 6,131 10,911 6,131 0.000000% 0.8750 5360 384.93 800 0.071816 05186286 LANSDOWN WILLIAM D UNIT C#1 Weld 7,620 547.24 2,710 194.62 4,910 352.62 2,467 321 304 3,092 8,273 3,092 0.000000% 0.8750 2710 194.62 800 0.071816 00199589 LANSDOWN WILLIAM D UNIT D#1 Weld 8,170 571.38 2,730 190.93 5,440 380.45 2,436 350 332 3.118 8.870 3,118 0.000000% 0.8750 2730 190.93 820 0.069936 05185986 LANSDOWN WILLIAM 0#1 Weld 5,910 42444 3,250 233.40 2,660 191.04 3.204 263 249 3,716 6.417 3,716 0.000000% 08750 3250 233.40 800 0.071816 O0052494 LEGG 14-22 Weld 77.290 5,405.36 3,630 25387 73.660 5,15149 3,235 467 443 4,144 83.915 4,144 0000000% 0.8750 3630 253.87 820 0.069936 06038886 LEINWEBER MARY#1 Weld 16,910 1,214.40 2.970 21329 13,940 1,001.11 2,716 350 332 3,398 18,359 3,398 0000000% 0.8750 2970 213.29 800 0.071816 00032394 LEWIS TRUST 33-13 Weld 21,700 1.558.40 3,600 258.54 18,100 1,299.86 3,207 467 443 4,116 23,560 4,116 0.000000% 0.8750 3600 258.54 800 0.071816 06218286 LOEHR LARRY R#1 Weld 0 0.00 0 0.00 0 0.00 1,208 379 360 1,947 0 0 0.000000% 0.8750 0 000 820 0.069936 00042187 LORENZ UPRR 31-27#2 Weld 21.930 1,698.64 3,360 260.26 18,570 1,438.38 3,041, 408 387 3,837 23,810 3,837 0.000000% 0.8750 3360 26026 121 0.077457 00085991 LORENZ UPRR 32-27#4 Weld 29.770 2,30590 3,290 254.83 26,480 2.051.07 2,902 438 415 3,755 32,322 3,755 0.000000% 0.8750 3290 254.83 121 0.077457 00086091 LORENZ UPRR 41-27#3 Weld 29,180 2,260.20 3,090 239.34 26,090 2,020.86 2,677 438 415 3,529 31,681 3,529 0.000000% 0.8750 3090 239.34 121 0.077457 04423886 LORENZ UPRR 42-27#1 Weld 20.490 1.587.10 4,370 338.49 16,120 1,248.61 4,195 408 387 4,991 22,246 4,991 0.000000% 0.8750 4370 338.49 121 0.077457 05161386 LOWERY LAWRENCE#1 Weld 9,510 628.98 2,160 142.86 7,350 486.12 1,789 350 332 2,471 10.325 2,471 0.000000% 0.8750 2160 142.86 803 0.066139 04790486 MAGNUSON#1 Weld 0 000 0 0.00 0 0.00 391 331 314 1.035 0 0 0000000% 0.8750 0 0.00 542 0.080424 04790486 MAGNUSON#2 Weld 42.040 3,381.02 3,440 276.66 38,600 3,104.36 3,197 379 360 3,936 45.643 3.936 0.000000% 0.8750 3440 276.66 542 0.080424 06035986 MATHISEN UNIT A#1 Weld 90 646 90 6.46 0 0.00 619 263 249 1,130 98 98 0.000000% 0.8750 90 6.46 800 0.071816 06035986 MATHISEN UNIT A#2 Weld 430 30.88 410 29.44 20 144 1.975 321 304 2,600 467 467 0.000000% 0.8750 410 29.44 800 0.071816 06037386 MATHISEN UNIT#1 Weld 7.680 551.54 2430 174.51 5250 377.03 2.270 263 249 2.782 8.338 2.782 0.000000% 0.8750 2430 174.51 800 0.071816 06037386 MATHISEN UNIT#2 Weld 30 2.16 30 2.15 0 0.01 502 350 332 1,184 33 33 0.000000% 0.8/50 30 2.15 800 0.071816 O0063294 MAYER 11-15 Weld 83,610 6,223.34 4,150 308.90 79,460 5,914.44 3,630 467 443 4,740 90.777 4,740 0.000000% 0.8750 4150 30090 106 0.074433 Page 5 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00061294 MCCLELLAN 33-20 Weld 22010 1.638,28 3,140 233.72 18.870 1404.56 2,683 467 443 3,592 23.897 3,592 0.000000% 0.8750 3140 23372 101 0.074433 00061394 MCCLELLAN 44-20 Weld 20,090 1495.36 3,090 230.00 17,000 1,265.36 2.619 467 443 3.528 21.812 3.528 0.000000% 0.8750 3090 230.00 101 0.074433 00240687 MCCOY PHILLIP UNIT B#1 Weld 4,870 339.88 2.430 169.59 2.440 170.29 2204 292 277 2,772 5.287 2.772 0.000000% 0.8750 2430 169.59 811 0.069792 00240587 MCCOY PHILLIP UNIT E#1 Weld 14,090 983.36 2.270 158.43 11,820 824.93 1,824 397 376 2.597 15.298 2.597 0.000000% 0.8750 2270 158.43 811 0.069792 00240787 MCCOY PHILLIP#1 Weld 12,120 845.88 3,020 210.77 9.100 635.11 2,878 292 277 3.446 13,159 3.446 0.000000% 0.8750 3020 210.77 811 0.069792 00024395 MCLAUGHLIN 33-8 Weld 41,470 3,101.30 3.510 262.49 37,960 2.838,81 3,047 496 470 4,013 45,025 4,013 0.000000% 0.8750 3510 262.49 124 0.074784 00023895 MCLAUGHLIN 34-8 Weld 37,000 2.767,00 3,500 261.74 33.500 2,50526 3.030 496 470 3.996 40,171 3.996 0.000000% 0.8750 3500 261.74 124 0.074784 05270486 MILLARD#1 Weld 38,510 2.76563 3,980 285.83 34,530 2,479.80 3.920 321 304 4,545 41,811 4.545 0.000000% 0.8750 3980 285.83 800 0.071816 05270486 MILLARD#2 Weld 23,230 1,668.29 4.240 304.50 18,990 1.36379 4,110 379 360 4,849 25,221 4.849 0.000000% 0.8750 4240 304.50 800 0.071816 05161986 MILLER ELTON N Eel Weld 15,230 1,007.30 2.490 164.69 12,740 842.61 2.232 321 304 2,858 16,583 2,858 0.284375% 0.8750 2490 164.69 803 0.066139 06218486 MOSER NORMAN B#1 Weld 33,170 2,319.78 6.110 427.31 27,060 1,892.47 6,416 292 277 6.984 36,013 6,984 0000000% 0.8750 6110 427.31 820 0.069936 04362486 MOSIER#1 Weld 32.470 2,572.54 3.330 26383 29,140 2.308,71 3062 379 360 3.801 35.253 3.801 0.000000% 0.8750 3330 263.83 104 0.079228 04362586 MOSIER#2 Weld 41,250 3,268.16 4,080 323.25 37.170 2,944.91 3,928 379 360 4,667 44.786 4,667 0.000000% 0.8750 4080 323.25 104 0.079228 00022695 MST 11-3 Weld 43,290 3,23]40 3,390 253.52 39,900 2,983.88 2.910 496 470 3,876 47,001 3,876 0.000000% 0.8750 3390 253.52 110 0.074784 06059086 NORDEN G R UNIT#1 Weld 5,450 391.40 2,730 196.06 2,720 195.34 2.438 350 332 3,120 5,917 3,120 0.000000% 0.8750 2730 19606 800 0.071816 00122289 NORDEN MAGGIE B41 Weld 4.020 288.70 2.490 178.82 1,530 109.88 2,055 408 387 2.850 4,365 2.850 0.000000% 0.8750 2490 178.82 800 0.071816 06042686 NORDEN MAGGIE#1 Weld 15,990 1,148.34 2.430 174.51 13,560 973.83 2.262 263 249 2,774 17,361 2,774 0.000000% 0.8750 2430 174.51 800 0.071816 04795286 ODENBAUGH PAUL GU#1 Weld 16,140 1,201.34 2.420 180.13 13,720 1,021.21 2,193 292 277 2,761 17,523 2,761 0.000000% 0.8750 2420 180.13 101 0.074433 00019995 OGG 11-28 Weld 69,830 5,401.22 3,920 303.20 65,910 5,098.02 3,517 496 470 4,483 75,815 4,483 0.000000% 0.8750 3920 303.20 127 0.077348 O0020095 OGG 21-28 Weld 23.340 1,805.30 3,470 268.40 19.870 1,536.90 3,053 467 443 3,962 25,341 3,962 0.000000% 0.8750 3470 268.40 127 0.077348 00115695 OGG 22-28 Weld 58.290 4,508.62 3,440 266.08 54,850 4,242.54 2,960 496 470 3,926 63,286 3,926 0.000000% 0.8750 3440 266.08 127 0.077348 00018895 OSTER 13-15 Weld 33.090 2,635.36 3,820 304.23 29,270 2,331.13 3,461 467 443 4,370 35,926 4,370 0.000000% 0.8750 3820 304.23 138 0.079642 00314795 OSTER 21-27 Weld 38,950 3,085.94 3,590 284.43 35,360 2,801.51 3,134 496 470 4,100 42.289 4,100 0.000000% 0.8750 3590 284.43 104 0.079228 00018695 OSTER 24-15 Weld 58,480 4,657.46 3.840 305.83 54,640 4,351.63 3,474 467 443 4.383 63,493 4,383 0.000000% 0.8750 3840 305.83 138 0.079642 06056186 PAIGE ANSON T#2 Weld 20.790 1,493.06 4,190 300.91 16,600 1,192.15 4,108 350 332 4,790 22,572 4,790 0.000000% 0.8750 4190 300.91 800 0.071816 04369386 PEARSON#1 Weld 35,250 2,726.52 3,140 242.87 32.110 2,483.65 2.853 379 360 3.592 38.271 3.592 0.000000% 0.8750 3140 242.87 127 0.077348 00170192 PEHR ALICE UT C#1 Weld 12,820 920.68 3,350 240.58 9,470 680.10 3,209 321 304 3,834 13,919 3,834 0.000000% 0.8750 3350 240.58 800 0.071816 00170292 PEHR ALICE UT D#1 Weld 2,360 169.49 1.900 136.45 460 33.04 1,487 350 332 2,169 2,562 2.169 0.000000% 0.8750 1900 136.45 800 0.071816 00170292 PEHR ALICE UT D#2 Weld 5,600 402.17 ?720 195.34 2.880 206.83 2,423 350 332 3,105 6,080 3.105 0.000000% 0.8750 2720 195.34 800 0.071816 05434086 PERRIN B#1 Weld 8,690 828.20 2,080 198.23 6,610 629.97 1,754 321 304 2,379 9,435 2,379 0.000000% 0.8750 2080 198.23 1338 0.095304 05434086 PERRIN B#2 Weld 6,490 618.52 2,440 232.54 4,050 385.98 2,165 321 304 2.790 7,046 2,790 0.000000% 0.8750 2440 232.54 1338 0.095304 00050394 PERRY 44-3 Weld 37,560 2,626.80 7,900 552.49 29,660 2,074.31 8,121 467 443 9.031 40,779 9.031 0.000000% 0.8750 7900 552.49 820 0.069936 05419486 PREMIUM TURKEY FARMS 8#1 Weld 8.360 583.46 1750 122.14 6.610 461.32 1.430 292 277 1,998 9,077 1,998 0.000000% 0.8750 1750 122.14 811 0.069792 05419486 PREMIUM TURKEY FARMS B#2 Weld 4,380 305.70 2,320 161.92 2.060 143.78 2.024 321 304 2.649 4,755 2,649 0.000000% 0.8750 2320 161.92 811 0.069792 05419386 PREMIUM TURKEY FARMS C#1 Weld 3,890 271.49 2.570 179.37 1.320 92.12 2,364 292 277 2,933 4,223 2,933 0.000000% 0.8750 2570 179.37 811 0.069792 05419386 PREMIUM TURKEY FARMS C#2 Weld 11,950 834.01 2,510 175.18 9440 658.83 2,240 321 304 2.866 12.974 2,866 0.000000% 0.8750 2510 175.18 811 0.069792 00026995 PSC 12-10 _ Weld 39.350 2928.94 3.510 26126 35.840 266768 3041 496 470 4007 42.723 4,007 0.000000% 0.8750 3510 261.26 106 0.074433 00022495 PSC 12-2 Weld 56.700 4.220.36 3,740 278.38 52,960 3,941.98 3.303 496 470 4.269 61,560 4,269 0.000000% 0.8]50 3740 278.38 106 0.074433 00024695 PSC 12-9 Weld 48,620 3.535.00 4,380 327.55 44,240 3.308.45 4,037 496 470 5,004 52,787 5,004 0.000000% 0.8750 4380 32755 112 0.074784 Page 6 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roft) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00022595 PSC 13-2 Weld 49,410 3,677.74 4,190 311.87 45,220 3,365.87 3.826 496 470 4,792 53,645 4,792 0.000000% 0.8750 4190 311.87 106 0.074433 00026895 PSC 14-10 Weld 54,670 4.069,26 3,690 274.66 50,980 3794.60 3.256 496 470 4,223 59,356 4.223 0.000000% 08750 3690 274.66 106 0.074433 00115195 PSC 14-3 Weld 55,210 4,128.82 4,470 334,28 50,740 3,794.54 4,138 496 470 5.104 59,942 5,104 0,000000% 0.8750 4470 334.28 112 0.074784 00025295 PSC 14-9 Weld 62.100, 4,644.08 3,360 251.27 58,740 4.392,81 2.876 496 470 3,842 67,423 3.842 0.000000% 0,8750 3360 251.27 112 0.074784 00027495 PSC 21-11 Weld 74,420 5,539.30 3,390 252.33 71,030 5,286.97 2,906 496 470 3,873 80,799 3,873 0000000% 0.8750 3390 252.33 101 0.074433 00027595 PSC 22-11 Weld 60,980 4,538.92 3,370 250,84 57,610 4.288.08 2,888 496 470 3,854 66,207 3,854 0.000000% 08750 3370 250.84 101 0.074433 00025495 PSC 22-9 Weld 49,280 3,685.36 4,350 325.31 44,930 3,360,05 4.011 496 470 4.977 53,504 4.977 0.000000% 0.8750 4350 325.31 112 0.074784 00027095 PSC 23-10 Weld 36,700 2,731.70 3.350 249.35 33,350 2,482.35 2,867 496 470 3,833 39,846 3.833 0000000% 0,8750 3350 249.35 106 0.074433 00027395 PSC 23-11 Weld 58,940 4,387.08 3.370 250.84 55,570 4,136.24 2,886 496 470 3,853 63,992 3,853 0,000000% 0.8750 3370 250.84 101 0.074433 00025595 PSC 23-9 Weld 66,050 4,939.48 3,720 278.20 62,330 4,661.28 3,280 496 470 4,246 71,711 4,246 0.000000% 0.8750 3720 278.20 112 0.074784 00027295 PSC 32-11 Weld 55,030 4.096.04 3,380 251.58 51,650 3,844,46 2,895 496 470 3,861 59.747 3.861 0.000000% 0,8750 3380 251,58 101, 0.074433 00025/95 PSC 32-9 Weld 49,490 3,701.06 4,150 310,35 45,340 3,390.71 3,776 496 470 4,742 53,732 4,742 0,000000% 0.8750 4150 310.35 112 0.074784 00027195 PSC 33-10 Weld 66,830 4,974.36 3,660 272.42 63,170 4.701,94 3,215 496 470 4,181 72,558 4,181 0.000000% 0.8750 3660 272.42 106 0.074933 00027695 PSC 33-11 Weld 45,340 3,374.80 3,270 243.40 42,070 3,131.40 2,775 496 470 3,741 49,226 3,741 0.000000% 0.8750 3270 243.40 101 0.074433 00025095 PSC 34-9 Weld 56,570 4,230.54 3.400 254.27 53,170 3,976.27 2,919 496 470 3,886 61,419 3,886 0.000000% 0.8750 3400 254.27 112 0.074784 00022795 PSC 41-3 Weld 42,410 3,171.58 5,070 379.15 37,340 2,792,43 4,825 496 470 5.792 46,045 5,792 0.000000% 0.8750 5070 379.15 112 0.074784 00028595 PSC 43-11 Weld 40.820 3.038.36 3.250 241.91 37,570 ?79645 2.752 496 470 3,719 44,319 3,719 0000000% 0.8750 3250 241.91 101 0.074433 00024795 PSC 43-9 Weld 42,490 3,177.58 4.710 352.23 37,780 2,825.35 4,412 496 470 5,379 46,132 5,379 0.000000% 08750 4710 352.23 112 0.074784 00026795 PSC 44-10 Weld 48,030 3,575.02 3,540 263.49 44,490 3,311.53 3,085 496 470 4,051 52,147 4,051 0.000000% 0.8750 3540 263.49 106 0.074433 00027795 PSC44-11 Weld 31.350 2,333.48 3.220 23967 28,130 2,093.81 2.718 496 470 3,685 34.037 3,685 0.000000% 0,8750 3220 239.67 101 0.074433 05161786 QUINN THOMAS F 841 Weld 10 0.66 10 0,66 0 0.00 768 397 376 1,541 11 11 0.000000% 0.8750 10 0.66 803 0.066139 00165889 ROCKY MTN FUEL CO D#1 Weld 4,830 52968 1,950 213.85 2,880 315.83 1,723 263 249 2.234 5,244 2,234 0.000000% 0.8750 1950 213.85 1407 0.109666 00165889 ROCKY MTN FUEL CO D#10 Weld 880 96,51 840 92.12 40 4.39 786 321 304 1,412 955 955 0.000000% 0,8750 840 92.12 1407 0.109666 00165889 ROCKY MTN FUEL CO 0412 Weld 4,830 529.69 1.540 168.89 3,290 360.80 1.074 350 332 1,756 5,244 1,756 0.000000% 0.8750 1540 168.89 1407 0.109666 00165889 ROCKY MTN FUEL CO 0413 Weld 2,620 287.34 1,290 141,47 1.330 145.87 791 350 332 1,473 2,845 1,473 0.000000% 0.8750 1290 141.47 1407 0.109666 00165889 ROCKY MTN FUEL CO D#14 Weld 1,500 164.50 1,290 141.47 210 23.03 795 350 332 1,477 1,629 1,477 0.000000% 0.8750 1290 141.47 1407 0.109666 00165889 ROCKY MTN FUEL CO 0415 Weld 1,000 109.67 950 104.18 50 5.49 795 350 332 1,477 1,086 1,086 0.000000% 0.8750 950 104.18 1407 0.109666 00165889 ROCKY MTN FUEL CO 0416 Weld 3,190 349,83 1,540 168.89 1,650 180.94 1.074 350 332 1,756 3,463 1,756 0.000000% 0.8750 1540 168.89 1407 0.109666 00165889 ROCKY MTN FUEL CO 0417 Weld 17,590 1,929.02 2,070 227,01 15,520 1,702.01 1,679 350 332 2,361 19,098 2,361 0.000000% 0.8750 2070 227_01 1407 0.109666 00165889 ROCKY MTN FUEL CO 0418 Weld 18,440 2.022.24 1,760 193.01 16,680 1,829.23 1,333 350 332 2.015 20,021 2,015 0.000000% 0.8750 1760 19301 1407 0.109666 00165889 ROCKY MTN FUEL CO 042 Weld 130 14.25 120 13.16 10 1.09 1.074 292 277 1,643 141 141 0.000000% 0.8750 120 13.16 1407 0.109666 00165889 ROCKY MTN FUEL CO D#3 Weld 410 44,96 390 42.77 20 2.19 1,178 292 277 1,746 445 445 0.000000% 0.8750 390 4?77 1407 0.109666 00165889 ROCKY MTN FUEL CO D#4 Weld 2,000 219.33 1,340 146.95 660 72.38 969 292 277 1537 2,171 1,537 0.000000% 0.8750 1340 146.95 1407 0.109666 00165889 ROCKY MTN FUEL CO D#5 Weld 2,720 298.29 1,440 157.92 1.280 140.37 1,074 292 277 1,643 2,953 1,643 0,000000% 08750 1440 157.92 1407 0.109666 00165889 ROCKY MTN FUEL CO 0#8 Weld 90 9,87 90 9.87 0 0.00 791 321 304 1.416 98 98 0.000000% 0.8750 90 9.87 1407 0,109666 00165889 ROCKY MTN FUEL CO 049 Weld 1.030 112.96 980 107.47 50 549 1.103 321 304 1728 1,118 1.118 0.000000% 0,8750 980 107.47 1407 0,109666 05437686 ROCKY MTN FUEL CO E#1 Weld 17400 2,001.74 2,180 250.79 15,220 L750.95 1,977 263 249 2,489 18,891 2.489 0.000000% 08750 2180 250,79 1364 0.115043 05437686 ROCKY MTN FUEL CO E#2 Weld 9.360 1,07681 1,/10 19672 7.650 880.09 1330 321 304 1,955 10,162 1955 0-000000% 0.8750 1710 196.72 1364 0.115043 05437686 ROCKY MTN FUEL CO E#3 Weld 8.130 935.30 1,710 19672 6.420 738,58 1.330 321 304 1.955 8.82/ 1.955 0.000000% 0.8750 1/10 19672 1364 0.115043 Page 7 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 05437686 ROCKY MTN FUEL CO E#4 'Weld 1,560 190.97 1.410 162.21 250 28.76 985 321 304 1,610 1,802 1,610 0.000000% 0.8750 1410 162.21 1364 0.115043 06039386 ROSENBROCK DONALD I Weld 2410 173.08 2.290 164.46 120 8.62 4,563 321 304 5.188 2,617 2,617 0.000000% 0.8750 2290 164.46 800 0.071816 06039386 ROSENBROCK DONALD 2 Weld 8,720 626.24 5,670 407.20 3,050 219.04 5.802 350 332 6.484 9,467 6,484 0.000000% 0.8750 5670 407.20 800 0.071816 00154693 SANDAU 24-34 Weld 41.860 3.242.36 3.1]0 245.54 38,690 2.996.82 2717 467 443 3.627 45,448 3,627 0.000000% 0.8750 3170 245.54 121 0.077457 04472686 SARATOGA#1 Weld 42,920 3,324.46 2,770 214.56 40,150 3,109.90 2.609 292 277 3.177 46.746 3,177 0.315630% 0.8750 2770 214.56 120 0.077457 00265188 SCHAEFER MARTIN J 1 Weld 15,560 1,117.46 3,310 237.71 12,250 879.75 3,213 292 277 3,781 16,894 3,781 0.000000% 0.8750 3310 237.71 B00 0.071816 00265188 SCHAEFER MARTIN J 2 Weld 9,880 709.54 2.680 19247 7,200 517.07 2,443 321 304 3,069 10.727 3,069 0.000000% 0.8750 2680 19247 B00 0.071816 00023195 SCHLAGEL 13-4 Weld 46,670 3,753.38 4,120 331.35 42,550 3,422.03 3,747 496 470 4,714 50.670 4.714 0.000000% 0.8750 4120 331.35 542 0O80424 00023295 SCHLAGEL 14-4 Weld 25,710 2,067.70 4,620 371.56 21,090 1,696.14 4,180 562 533 5,276 27,914 5,276 0.000000% 0.8750 4620 371.56 542 0.080424 O0022995 SCHLAGEL 23'4 Weld 49,170 3,954.44 3,740 300.79 45,430 3,653.65 3,303 496 470 4,269 53,385 4,269 0.000000% 0.8750 3740 300.79 542 0.080424 04789686 SCHLAGEL#3 Weld 52,480 4,220.66 3,090 248.51 49,390 3.972.15 2,790 379 360 3.528 56.978 3.528 0.000000% 0.8750 3090 248.51 542 0.080424 00281794 SCHMIDT AMOCO 43-23 Weld 27.380 2.169.26 3.600 285.22 23.780 1.884.04 3.211 467 443 4.120 29,727 4.120 0.000000% 0.8750 3600 28522 108 0.079228 00096189 SCHMIDT AMOCO 44-23 Weld 45.180 3,579.52 3.610 286.01 41.570 3,293.51 3,272 438 415 4.125 49.053 4,125 0.000000% 0.8750 3610 286.01 108 0.079228 00283294 SCHNEIDER FARMS 33-33 Weld 106.570 7.336.38 4.050 278.81 102.520 7,057.57 3,720 467 443 4,630 115,705 4.630 0.000000% 0.8750 4050 278.81 808 0.068841 06056786 SEBOLD DOROTHY B#1 Weld 8,920 640.59 1,510 108.44 1410 532.15 1,041 350 332, 1,723 9.685 1723 0.000000% 0.8750 1510 108.44 800 0.071816 06056786 SEBOLD DOROTHY B#2 Weld 11,390 817.99 2,810 201.80 8.580 616.19 2,528 350 332 3,210 12,366 3.210 0.000000% 0.8750 2810 201.80 800 0.071816 00153393 SHANNON 24-30 Weld 30,520 2,099.54 5,110 351.53 25,410 1,748.01 4,926 467 443 5,835 33.136_ 5,835 0.000000% 0.8750 5110 351.53 807 0.068792 06038586 SMITH COULTER C#1 Weld 11,990 861.08 2,570 184.57 9,420 676.51 2,257 350 332 2,939 13,018 2,939 0.000000% 0.8750 2570 184.57 800 0.071816 00107390 SPARROW AMOCO 23-20 Weld 32.060 2.483.28 3.020 233.92 29,040 2,249.36 2,600 438 415 3,452 34.808 3,452 0.000000% 0.8750 3020 233.92 120 0.077457 00281994 SPARROW AMOCO 24-20 Weld 19,440 1,505.76 3,270 253.28 16,170 1.25248 2,822 467 443 3,732 21.106 3,732 0.000000% 0.8750 3270 253.28 120 0.077457 05187386 A SPRAGUE A M A#1 Weld 76,770 5,368.98 6,450 451.09 70,320 4,917.89 6.576 408 387 7.372 83,350 7.372 0.000000% 0.8750 6450 451.09 820 0.069936 04789186 ST VRAIN ASSOC#1 Weld 48,080 3,595.62 4,000 299.14 44,080 3,296.48 3,895 350 332 4,577 52,201 4,577 0.000000% 0.8750 4000 299.14 112 0.074784 05573786 STATE OF COLORADO AF 1 Weld 14,050 966.52 2,380 163.72 11.670 802.80 2,483 321 304 3,108 17,433 3,108 12.500000% 0.8750 2380 163.72 807 0.068792 05573786 STATE OF COLORADO AF 2 Weld 20,880 1,436.38 1.740 119.70 19.140 1,31668 1,644 321 304 2.269 25.908 2.269 12.500000% 0.8750 1740 11970 807 0.068792 05174486 STATE OF COLORADO AP#1 Weld 90 6.19 90 6.19 0 0.00 812 350 332 1,494 112 112 12.500000% 0.8750 90 6.19 807 0.068792 05174486 STATE OF COLORADO AP#2 Weld 3,320 228.39 1.310 90.12 2.010 138.27 1,034 350 332 1716 4.120 1,716 12.500000% 0.8750 1310 90.12 807 0.068792 00162893 STIEBER 24-24 Weld 38.650 2,658.82 3.310 227.70 35.340 2,431.12 2,878 467 443 3.788 41,963 3,788 0.000000% 0.8750 3310 227.70 807 0.068792 06058286 STIEBER GEORGE 81 Weld 29,670 2,041 06 2,300 158.22 27.370 1,882.84 2,008 321 304 2,633 32.213 2,633 0.000000% 0.8750 2300 158.22 807 0.068792 06058286 STIEBER GEORGE B 2 Weld 6,790 467.10 1.990 136.90 4,800 330.20 1,653 321 304 2,279 7,372 2,279 0.000000% 0.8750 1990 136.90 807 0.068792 06055986 STIEBER EDWARD#1 Weld 2.300 165.18 2,190 157.28 110 7.90 2,406 350 332 3.088 2,497 2,497 0.000000% 0.8750 2190 157.28 800 0.071816 06058686 STOLZ JOHN HENRY JR B#1 Weld 6,520 468.24 2,520 180.98 4,000 287.26 2,257 321 304 2,882 7,079 2,882 0.000000% 0.8750 2520 180.98 800 0.071816 00152493 STREAR 22-23 Weld 99,590 6,950.58 5,200 362.92 94,390 6,587.66 5,029 467 443 5,939 108,126 5,939 0.000000% 0.8750 5200 362.92 811 0.069792 00162293 SUGIHARA43-21 Weld 139,870 9,781.94 3.460 241.98 136,410 9,539.96 3,045 467 443 3.954 151,859 3,954 0.000000% 0.8750 3460 24198 820 0.069936 00116595 SWANK41-11 Weld 71,450 5,318.24 3,510 261.26 67,940 5,056.98 3,048 496, 470 4.014 77,574 4,014 0.000000% 0.8750 3510 261.26 101 0.074433 00117395 SWANK 42-11 Weld 78,230 5,822.90 4,350 323.78 73,880 5,499.12 4,005 496 470 4.971 84,935 4,971 0.000000% 0.8750 4350 323.78 101 0.074433 04794786 SWANK N L#1 Weld 79,450 5,913.70 3,200 238.19 76.250 5.67551 2.919 379 360 3,658 86,260 3,658 0.000000% 0.8750 3200 238.19 101 0.074433 00070692 SWEET VALLEY FMS UPRR 31-33# Weld 31.390 2431.38 3.030 234.69 28,360 2,196.69 2.610 438 415 3463 34,081 3.463 0.000000% 0.8750 3030 234.69 121 0.077457 O025378c SWEET VALI FY FMS IIPRR 41-33# Weld 11.070 85744 3.050 236.24 8.020 621.20 2.692 408 387 3.488 12.019 3488 0.000000% 0.8750 3050 236.24 121 0.077457 _ 0435/786 SWINNFY 1-15 Weld 44380 3534.52 4.200 334.50 40.180 3,200.02 4.062 379 360 4.801 48,184 4.801 0.000000% 0.8750 4200 334.50 140 0.079642 Page 8 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Scneduie Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate O0046494 SWINNEY#2 Weld 32.390 2,579.60 3,820 304.23, 28,570 2,275.37 3.456 467 443 4,366 35,166 4,366 0.000000% 0.8750 3820 304.23 140 0.079642 00162793 THREE FARMS 11-23 Weld 54.960 3.947.00 3.880 278.65 51.080 3,668.35 3,527 467 443 4,436 59,671 4,436 0.000000% 0.8750 3880 278.65 800 0.071816 00017095 TIMMERMAN 13-13 Weld 45.570 3.629.28 3,760 29945 41.810 3.329.83 3.204 562 533 4.299 49.476 4,299 0.000000% 0.8750 3760 299.45 138 0.079642 00134589 TREZISE PORTIA UNIT#1 Weld 13,670 940.38 2,360 162.35 11.310 778.03 2,019 350 332 2,701 14,884 2,701 0.281250% 0.8750 2360 162.35 807 0.068792 06074686 UPRR 42 PAN AM K1-27 Weld 68,240 4,69770 2.420 166.60 65.820 4,531.10 2.198 292 277 2.766 74,089 2.766 0.000000% 0.8750 2420 166.60 808 0.068841 01144297 UPRR 42 PAN AM K2-27 Weld 60,640 4,174.52 2.540 174.86 58.100 3,99966 2,169 379 360 2,908 65.838 2,908 0.000000% 0.8750 2540 174.86 808 0.068841 06095786 UPRR 50 PAN AM D#1 Weld 12,430 869.30 3.940 275.55 8.490 593.75 3.880 321 304 4,505 13,495 4,505 0.000000% 0.8750 3940 275.55 820 0.069936 06095786 UPRR 50 PAN AM 0#2 Weld 3,900 27275 3,600 251.77 300 20.98 3,493 321 304 4,118 4.234 4.118 0.000000% 0.8750 3600 251.77 820 0.069936 06095786 UPRR 50 PAN AM D#5 Weld 3,580 250.37 1.770 123.79 1,810 126.58 1,403 321 304 2,028 3.887 2.028 0.000000% 0.8750 1770 123.79 820 0.069936 06095786 UPRR 50 PAN AM D#6 Weld 11,820 826.65 4,640 324.50 7,180 502.15 4,511 408 387 5,307 12,833 5.307 0.000000% 0.8750 4640 324.50 820 0.069936 06095786 UPRR 50 PAN AM D#7 Weld 1,960 137.07 1,850 129.38 110 7.69 1.322 408 387 2,117 2.128 2.117 0.000000% 0.8750 1850 129.38 820 0.069936 00326595 UPRR 50 PAN AM J#1 Weld 37,740 2,639.38 2,340 163.65 35.400 2.47573 1.874 408 387 2.670 40,975 2,670 0.000000% 0.8750 2340 163.65 820 0.069936 O6093086 VAWTER GU#1 Weld 12,820 896.58 3,070 214.70 9.750 681.88 2,802 364 345 3,511 13,919 3,511 0.000000% 0.8750 3070 214.70 820 0.069936 00082189 VAWTER GU#2 Weld 9,870 690.26 3,310 231.49 6,560 458.77 3.047 379 360 3,786 10,716 3,786 0.000000% 0.8750 3310 231.49 820 0.069936 06057286 WATTENBERG HENRY E UT I Weld 14,160 1,016.92 3,490 250.64 10,670 766.28 3,363 321 304 3,988 15,374 3,988 0.000000% 0.8750 3490 250.64 800 0.071816 06057086 WATTENBERG HENRY E UT B#1 Weld 21,120 1_516.75 3,330 239.15 17,790 1,277.60 3.126 350 332 3.808 22,930 3,808 0.000000% 0.8750 3330 239.15 800 0.071816 06057086 WATTENBERG HENRY E UT B#2 Weld 26,240 1,884.45 2,100 150.81 24,140 1,733.64 1719 350 332 2,401 28.489 2.401 0.000000% 0.8750 2100 150.81 800 0.071816 06057186 WATTENBERG HENRY E UT C#1 Weld 10,240 735.40 2,050 147.22 8,190 588.18 1,661 350 332 2,343 11.118 2.343 0.000000% 0.8750 2050 147.22 800 0.071816 00174291 WEBSTER JAMES Eli Weld 29.740 2,045.88 3,880 266.91 25.860 1,778.97 3,643 408 387 4,439 32,289 4,439 0.000000% 0.8750 3880 266.91 807 0.068792 00032294 WEIGANDT 12-30 Weld 33.440 2,590.16 3,270 253.28 30.170 2,336.88 2,]05 529 502 3,736 36,306 3,736 0.000000% 0.8750 3270 253.28 121 0.077457 O0062894 WEIGANDT 22-24 Weld 51,230 3,679.14 3.920 281.52 47,310 3,397.62 3,570 467 443 4,480 55,621 4,480 0.000000% 0.8750 3920 281.52 800 0.071816 00152293 WELD COUNTY 34-13 Weld 93,080 6.77772 4,990 363.35 88,090 6,41437 4,929 467 443 5,838 103.533 5,838 2.389843% 0.8750 4990 363.35 810 0.072816 0001]195 WERTZ 14-13 Weld 61,060 4,862.94 3.660 291.49 57,400 4,571.45 3.221 496 470 4,187 66.294 4,187 0.000000% 0.8750 3660 291.49 138 0.079642 00076592 WILLIAMS 41-34#1 Weld 30,290 2,254.58 3.300 245.63 26,990 2,008.95 2,864 467 443 3,773 32,886 3,773 0.000000% 0.8750 3300 245.63 106 0.074433 00153793 WILLIAMS 42-34 Weld 26,700 1,987.36 3,220 239.67 23,480 1,747.69 2,769 467 443 3.679 28,989 3.679 0.000000% 0.8750 3220 239.67 106 0074433 00096289 WOLF UPRR 32-31 Weld 26.540 2,055.70 3,100 240.12 23,440 1,815.58 2,688 438 415 3,541 28,815 3,541 0.000000% 0.8750 3100 240.12 121 0.077457 - 00070992 WOLF UPRR 42-31#2 Weld 30,110 2,332.24 3,270 253.28 26.840 2,078.96 2,882 438 415 3,735 32,691 3.735 0.000000% 0.8750 3270 253.28 121 0.077457 00162393 WOOLEY 13-14 Weld 16,350 1,141.10 3.340 233.11 13.010 907.99 2,903 467 443 3,812 1],751 3.812 0.000000% 0.8750 3340 233.11 811 0.069792 01087297 PSC 32-10 Weld 169,270 12.599.28 9.870 734.65 159,400 11,864.63 10,184 562 533 11.279 183.779 11,279 0.000000% 0.8750 9870 734.65 106 0.074433 00010034 ACHZIGER 11-33 Weld 13,870 1.15678 3.110 259.38 10.760 89740 2,764 408 387 3,559 15,059 3,559 0.000000% 08750 3110 259.38 713 0.083402 00115292 ADAMS GEORGE GU#1 Weld 4,810 404.80 2,870 241.53 1,940 163.27 2.631 331 314 3,275 5,222 3,275 0.000000% 0.8750 2870 241.53 1345 0.084157 00043087 ALLELEY 31-34#1 Weld 22,700 2,000.28 3,570 314.58 19,130 1,685.70 3.285 408 387 4,081 24,646 4,081 0.000000% 0.8750 3570 314.58 627 0.088118 00118195 ALLEN 41-12 Weld 60.030 4,780.90 3.500 278.75 56,530 4,502.15 3,034 496 470 4.000 65,175 4,000 0.000000% 0.8750 3500 278.75 138 0.079642 00162193 ANDERSON 22-32 Weld 32,940 2,760.56 4,010 33606 28,930 2,424.50 3,677 457 443 4,587 35.763 4,587 0.000000% 0.8750 4010 336.06 1303 0.083806 00169493 ANDERSON UPRR 32-9 Weld 28,190 2,183.52 3,230 250.19 24,960 1,933.33 2.786 467 443 3,695 30,606 3,695 0.000000% 0.8750 3230 250.19 120 0.077457 00084491 ANDERSON UPRR 41-9 Weld 29.750 2,304.34 3.430 265.68 26,320 2,038.66 3,071 438 415 3,924 32.300 3.924 0.000000% 0.8750 3430 265.68 120 0.077457 00167393 API 31-15 Weld 72.000 570442 4.170 330.38 67.830 5.374.04 3.853 467 443 4.762 78.171 4.762 0.000000% 0.8750 41]0 330.38 104 0.079228 00167993 API 32-15 Weld 37.380 2,961.54 3,340 264.62 34,040 2,696.92 2,903 467 443 3,812 40.584 3812 0.000000% 0.8750 3340 264.62 104 0.079228 00166993 API 33-11 Weld 89.260 7071.90 5.330 422.29 83,930 664901 5,182 467 443 6,092 96.911 6092 0.000000% 0.8750 5330 42229 108 0.079228 Page 9 of 48 H5 RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate O0056394 API 41-15 Weld 31.160 2,46874 3.760 297.90 27.400 2,170.84 3.390 467 443 4.299 33.831 4.299 0.000000% 0.8750 3760 29790 104 0.079228 00167793 API 42-15 Weld 31,130 2,466.36 3.360 26621 27,770 2,200.15 2,929 467 443 3,838 33.798 3,838 0.000000% 0.8750 3360 266.21 104 0.079228 00166693 API 43-11 Weld 42.220 3.345.00 4.950 392.18 37.270 2.952.82 4.743 467 443 5,652 45,839 5,652 0.000000% 0.8750 4950 392,18 108 0079228 00118695 AXELSON 24-19 Weld 41,060 3,056.22 4.080 303.69 36.980 2,752.53 3,740 496 470 4,707 45.000 4,707 0.934180% 0.8750 4080 303.69 101 0.074433 O0049994 BACON 11-34 Weld 44,460 3,773.50 3,570 30300 40.890 3,470.50 3.166 467 443 4.075 48.271 4.075 0000000% 08750 3570 303.00 696 0.084874 04074786 BACON#1 Weld 22,370 1,89864 3,840 325.92 18.530 1,572.72 3,647 379 360 4,386 24,28] 4,386 0.000000% 0.8750 3840 325.92 696 0.084874 04074886 BACON#2 Weld 0 0.00 0 0.00 0 0.00 452 430 408 1.290 0 0 0.000000% 0.8750 0 0.00 696 0.084874 04074886 BACON#3 Weld 30,890 2,621.76 3,440 291.97 27,450 2,329.79 3.133 408 387 3,929 33.538 3,929 0.000000% 0.8750 3440 291.97 696 0.084874 04785986 BAILEY#1 Weld 14.760 1242.16 2,300 193.56 12.460 1,048.60 2,389 263 249 2.900 17.683 2,900 9.375000% 0.8750 2300 193.56 1318 0.084157 O0020594 BARCLAY 32-27 Weld 16.840 1,287.54 3,610 276.01 13,230 1,011.53 3,097 529 502 4.128 18,283 4.128 0.000000% 0.8750 3610 276.01 118 0.076457 00035492 BARCLAY UPRR 31-27#2 Weld 23,250 1,777.62 3.790 28977 19,460 1487.85 3.474 438 415 4.327 25,243 4,327 0.000000% 0.8750 3790 289.77 118 0.076457 00165293 BARCLAY UPRR 41-27 Weld 17,880 1,367.06 3,420 261.48 14460 1,10558 2881 529 502 3.912 19.413 3.912 0.000000% 08750 3420 261.48 118 0.076457 00042887 BARCLAY UPRR 42-27#1 Weld 8,320 636.12 4.030 308,12 4.290 328.00 3,808 408 387 4.603 9.033 4,603 0.000000% 0.8750 4030 308.12 118 0.076457 00074592 BASS 41-12#1 Weld 74,660 5,915.16 3,400 269.38 71,260 5,645.78 3,078 467 443 3.988 83,149 3.988 2.512500% 0.8750 3400 269.38 108 _ 0.079228 00163487 BEEBE DRAWUPRR 31-17#2 Weld 40,560 4.672.68 3,290 379.02 37.270 4,29366 2.968 408 387 3,763 44,037 3,763 0.000000% 0.8750 3290 379.02 2104 0.115204 00161287 BEEBE DRAW UPRR 31-9#1 Weld 14.920 1,167.16 3,050 23860 11,870 928.56 2,688 408 387 3,484 16,199 3,484 0.000000% 0.8750 3050 238.60 102 0,078228 00106290 BEEBE DRAW UPRR 32-17#7 Weld 53,180 6,126,54 3.220 37096 49,960 5,755.58 2.826 438 415 3,678 57,738 3.678 0.000000% 0.8750 3220 37096 2104 0.115204 00084891 BEEBE DRAW UPRR 32-5 49 Weld 32.210 3.808.12 3,140 371.24 29,070 3,436.88 2,736 438 415 3,589 34,971 3,589 0.000000% 0.8750 3140 371.24 189 0.118228 00084991 BEEBE DRAW UPRR 32-9#8 Weld 29,800 3,52320 3,220 380.69 26.580 3,142.51 2,827 438 415 3,680 32,354 3.680 0.000000% 0.8750 3220 380.69 2103 0.118228 00106390 BEEBE DRAWUPRR 41-17#5 Weld 35,500 4,089.74 3.130 360.59 32,370 3,729.15 2.721 438 415 3,573 38,543 3,573 0.000000% 0,8750 3130 360.59 2104 0.115204 00156793 BEEBE DRAWUPRR 41-5 Weld 25,390 2,925.02 3,240 373.26 22,150 2.551,76 2.788 467 443 3,697 27,566 3,697 0.000000% 0.8750 3240 373.26 2104 0.115204 00160193 BEEBE DRAW UPRR 41-9 J Weld 60,540 7,157.52 4,310 509.56 56.230 6,647.96 4,022 467 443 4.931 65,729 4,931 0.000000% 0.8750 4310 509.56 2103 0.118228 00106490 BEEBE DRAW UPRR 42-17#6 Weld 32,160 3,704.96 3,010 346,76 29,150 3,358.20 2.587 438 415 3439 34.917 3,439 0.000000% 0.8750 3010 346.76 2104 0.115204 00042787 BEEBE DRAW UPRR 42-5#3 Weld 14,350 1,653.18 2,870 33064 11,480 1,322.54 2,486 408 387 3,282 15,580 3,282 0.000000% 0.8750 2870 330.64 2104 0.115204 00168788 BEEBE DRAW UPRR 42-9#4 Weld 18,140 2,144.66 3,410 403.16 14.730 1,741.50 3,098 408 387 3,893 19,695 3,893 0.000000% 0.8750 3410 403.16 2103 0.118228 00095689 BELLA AMOCO 42-19 Weld 34,020 2,5332.22 2,950 i' , r 2,312664 2,522 438 415 3.375 36.936 3,375 0000000% 0.8750 2950 219.58 101 0,074433 00174487 BENSON 13-15 Weld 12,570 975.68 2.870 222.77 9,700 752.91 2,489 408 387 3.285 13,647 3,285 0.000000% 0.8750 2870 222.77 226 0.077619 04292486 BETZ#1 Weld 30,620 2,43864 3.990 317.77 26.630 2.120.87 3.824 379 360 4,563 33,245 4,563 0000000% 08750 3990 317.77 138 0.079642 04292486 BETZ#2 Weld 29,390 2,340.68 3.610 287,51 25780 2.053.17 3,330 408 387, 4.125 31.909 4,125 0.000000% 0.8750 3610 287.51 138 0.079642 O0034889 BIGFOOT 1-12 Weld 20,250 1,604.36 4.960 392.97 15.290 1211.39 4,869 408 387 5.665 21.986 5,665 0.000000% 0.8750 4960 392.97 108 0,079228 00168293 BLAKE 13-12 Weld 41,050 3,252.30 3,380 267.79 37,670 2.984.51 3,048 467 443 3,958 45,712 3.958 2.501560% 0.8750 3380 26779 108 0.079228 00074692 BLAKE 14-12#2 Weld 35.820 2,852 78 3,230 257.24 32,590 2.595,54 2,874 467 443 3,784 39,902 3,784 2.535940% 0.8750 3230 257.24 138 0.079642 00030694 BLAKE 23-12 Weld 63,660 5,04366 3,480 27571 60.180 4,767,95 3,166 467 443 4.076 70,890 4.076 2.501560% 0.8750 3480 275.71 108 0.079228 04394586 BLAKE MELVIN#1 Weld 15,840 1,261.52 2,410 19194 13.430 1,069.58 2,122 364 345 2.830 17,642 2.830 2.518750% 08750 2410 191.94 140 0.079642 01629486 BLEHM#1 Weld 13,720 1,104.28 3.890 31309 9,830 791.19 3,707 379 360 4,446 14,896 4.446 0.000000% 0.8750 3890 31309 556 0,080487 00095289 BLISS 13-34 Weld 15.470 1.35362 2.990 261.63 12.480 1,092.00 2.619 408 387 3414 16,796 3.414 0.000000% 0.8750 2990 261.63 684 0.0875 00159492 BLISS 15-33 Weld 16.650 1.395.54 2970 248.93 13.680 1.146.61 2.600 408 387 3.396 18,077 3.396 0000000% 08750 2970 248.93 743 0.083816 04934186 BONKIEWICZ#1 Weld 26,270 2,055.04 3,150 24642 23,120 1,808.62 2,858 379 360 3.597 28,522 3,597 0.000000% 0.8750 3150 246.42 102 0.078228 00032995 BOOTH 13-26 Weld 75,460 6,073.54 3.420 275.27 ]2,040 5.1982/ 2938 496 47O 3,905 81,928 3.905 0.000000% 0.8750 3420 275.27 556 0.080487 Page 10 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate O0117295 BOOTH 33-26 Weld 38,210 3,075.40 4,000 321.95 34,210 2,753.45 3,603 496 470 4.569 41,485 4,569 0.000000% 0.8750 4000 321.95 556 0.080487 O0161092 BORESEN#1 Weld 21.400 1,856.38 3.080 267.18 18.320 1,589.20 2,782 379 360 3.520 23.234 3,520 0.000000% 0.8750 3080 267.18 429 0O86747 O0118595 BOULTER 23-18 Weld 98,450 9,463.70 4,140 397.97 94,310 9,06573 3,790 496 470 4.756 107,518 4,756 0.585597% 0.8750 4140 397.97 182 0.096127 O0011995 BOYD 43-5 Weld 72,160 4,86740 3,960 267.11 68,200 4,600.29 3,558 496 470 4.524 78,345 4,524 0.000000% 0.8750 3960 267.11 305 0.067453 05154786 BRACHTENBACH#1 Weld 26,020 1,755.14 2760 186.17 23,260 1.568.97 2,582 292 277 3.150 28.250 3,150 0.000000% 0.8750 2760 186.17 305 0.067453 O5154786 BRACHTENBACH#2 Weld 28.950 1,952.76 3,020 203.71 25,930 1749.05 2,712 379 360 3,451 31,431 3,451 0.000000% 0.8750 3020 203.71 305 0.067453 O4257286 BRANCH 1-3 Weld 19.470 1,69078 3,080 267.47 16,390 1,423.31 2,625 463 439 3,528 21,198 3,528 0.278250% 0.8750 3080 267.47 738 0.08684 04075786 BRANTNER#1 Weld 10.820 918.34 3.370 286.03 7,450 632.31 3.112 379 360 3.851 11,747 3.851 0.000000% 0.8750 3370 286.03 696 0.084874 O4075686 BRANTNER#2 Weld 22.370 1,898.64 3,580 303.85 18.790 1.594,79 3,353 379 360 4,092 24,287 4,092 0.000000% 0.8750 3580 303.85 696 0.084874 O0169488 BRANTNER#3 Weld 9,170 778.30 2.960 251.23 6,210 527.07 2,544 430 408 3,381 9,956 3,381 0.000000% 0.8750 2960 251.23 696 0.084874 00105287 BROSNAHAN 1-30 Weld 14.190 1.232.26 3.410 296.12 10.780 936.14 3.099 408 387 3,895 15,406 3,895 0.000000% 0.8750 3410 296.12 732 0.08684 O0309894 BROWNWOOD AMOCO 21-25 Weld 25,510 1,98648 2.980 232.06 22.530 1.754.42 2.493 467 443 3,403 27,697 3,403 0.000000% 0.8750 2980 232.06 145 0.077871 O0309694 BROWNWOOD AMOCO 22-25 Weld 20,080 1,563.64 3,340 260.09 16.740 1,303.55 2,966 438 415 3,819 21,801 3,819 0.000000% 0.8750 3340 260.09 145 0.077871 O0162593 BRYANT 34-30 Weld 25,100 2,103.54 4,240 35534 20,860 1,748.20 3,939 467 443 4,849 27,251 4,849 0.000000% 0.8750 4240 355.34 1303 0.083806 O0132388 BUCKLEN 11-31 Weld 17,110 1,541.78 3,040 273.93 14.070 1,267.85 2,796 408 387 3,592 19,216 3,592 3.329720% 0.8750 3040 273.93 649 0O9011 O0171987 BUCKLEN 12-31 Weld 12,480 1,086.84 3.010 262.13 9.470 824.71 2,758 408 387 3,554 14,016 3,554 3.329717% 0.8750 3010 262.13 604 0.087086 O0135588 BUCKLEN 9-36 Weld 9,720 846.48 2.940 256.03 6.780 590.45 2,562 408 387 3.358 10,553 3,358 0.000000% 0.8750 2940 256.03 604 0.087086 O0132288 BUNTING 4-35 COD/NIO Weld 8.620 731.62 3,390 287.72 5.230 443.90 3,080 408 387 3,875 9,359 3,875 0.000000% 0.8750 3390 287.72 696 0.084874 O0136688 BUNTING 5-35 COD/NIO Weld 50,130 4,254.74 3,330 282.63 46,800 3,972.11 2,902 463 439 3,804 54,427 3,804 0.000000% 0.8750 3330 282.63 696 0.084874 O5586486 CAMENISCH 1-10 Weld 26,240 2,854.80 3,110 338.36 23,130 2,516.44 2.986 292 277 3,555 28.489 3,555 0.000000% 0.8750 3110 338.36 1366 0.108796 O4647586 CAMENISCH 1-33 Weld 85,820 6.901,98 3.290 264.59 82,530 6,637.39 3,016 379 360 3,755 93,176 3,755 0.000000% 0.8750 3290 264.59 542 0.080424 O0116495 CAMENISCH 33-33 Weld 56,690 4,559.24 3,260 262.18 53.430 4,297.06 2,762 496 470 3.729 61,549 3,729 0.000000% 0.8750 3260 262.18 542 0.080424 00121794 CAMENISCH 34-10 Weld 68,560 7,459.06 3,730 405.81 64,830 7,053.25 3,354 467 443 4,264 74,437 4,264 0.000000% 0.8750 3730 405.81 1366 0.108796 O0116395 CAMENISCH 43-33 Weld 70,700 5,685.98 4,730 380.41 65,970 5,305.57 4,439 496 470 5,405 76,760 5,405 0.000000% 0.8750 4730 380.41 542 0.080424 O5587886 CAMENISCH DAVID E GU 1 Weld 5,780 628.84 2,950 320.95 2,830 307.89 2.810 292 277 3,379 6,279 3,379 0.061200% 0.8750 2950 320.95 1366 0.108796 O0116095 CAMP 13-19 Weld 60,850 4,529.24 4,340 323.04 56,510 4,206.20 4,042 496 470 5.009 66,689 5,009 0.934180% 0.8750 4340 323.04 101 0.074433 O0165793 CAMP UPRR 31-25 Weld 30,210 2,252.98 3,240 241.63 26,970 2,011.35 2.675 529 502 3,706 32,799 3,706 0.000000% 0.8750 3240 241.63 129 0.074577 O0095789 CAMP UPRR 32-25#2 Weld 19,080 1,422.92 3.030 225.97 16.050 1,196.95 2.612 438 415 3,464 20,715 3,464 0.000000% 0.8750 3030 225.97 129 0.074577 O0169188 CAMP UPRR 41-25#1 Weld 8,980 669.70 4,050 302.04 4,930 367.66 3,836 408 387 4,632 9,750 4,632 0.000000% 0.8750 4050 302.04 129 0.074577 O0054394 CAMP UPRR 42-25 Weld 19,020 1,418.46 4,180 311.73 14,840 1,106.73 3,741 529 502 4,771 20,650 4,771 0.000000% 0.8750 4180 311.73 129 0.074577 O0085491 CANNON LAND UPRR 42-35#1 Weld 20,470 1.503.18 4.330 317.96 16,140 1,185.22 4,101 438 415 4,954 22,225 4,954 0.000000% 0.8750 4330 317.96 122 0.073433 O0074792 CARNEY 31-4#1 Weld 36.210 2.695.22 3.310 246.37 32.900 2,448.85 2,873 467 443 3.783 39.314 3,783 0.000000% 0.8750 3310 246.37 101 0.074433 O0074892 CASSEDAY 42-12#1 Weld 49.270 3.923.96 3,280 261.23 45,990 3,662.73 2,931 467 443 3,841 54,877 3,841 2.521875% 0.8750 3280 261.23 140 0.079642 05729486 CHAMPLIN 86 AMOCO G#1 Weld 60,960 5,446.72 3,870 345.78 57,090 5,100.94 3,622 408 387 4.418 66,185 4,418 0.000000% 0.8750 3870 345.78 1371 0.089349 O5705485 CHAMPLIN 86 AMOCO I#1 Weld 22.310 1,993.38 3,800 339.53 18,510 1,65385 3,552 408 387 4,348 24.222 4,348 0.000000% 0.8750 3800 339.53 1373 0.089349 O0199889 CHAMPLIN 86 AMOCO K#1 Weld 26.540 2.371,32 3.850 343.99 22.690 2.027.33 3,601 408 387 4,397 28,815 4,397 0.000000% 0.8750 3850 343,99 1373 0.089349 O0114388 CHAMPLIN 86 AMOCO L#1 Weld 39,600 3.911.84 3,850 380.32 35,750 3,531.52 3,601 408 387 4,397 42,994 4,397 0.000000%6 08750 3850 380.32 1438 0.098784 00128787 CHAMPLIN 86 AMOCO N#1 Weld 57,830 4.84650 2,890 24220 54.940 4,604.30 2,397 463 439 3,299 62,787 3,299 0.000000% 0.8750 2690 242.20 1303 0.083806 O0081092 CHAMPLIN 86 AMOCO(Ate Weld 25.400 21033.28 3.900 322.94 21.500 1 /8034 3.661 408 367 4,457 27.577 4,457 0O00000% 0.8750 3900 32294 1305 0.082806 Page 11 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00081092 CHAMPLIN 86 AMOCO 0#9 Weld 26.080 2,159.58 3,860 319.63 22,220 1.839.95 3,621 408 387 4,417 28,315 4,417 0.000000% 0.8750 3860 31963 1305 0.082806 04181886 CHRISTENSEN 15-18 Weld 12,720 1,099.34 2,910 251.50 9.810 847.84 2528 408 387 3,324 13,810 3,324 0.000000% 0.8750 2910 251.50 709 0.086426 04181886 CHRISTENSEN 16-18 Weld 11,510 994.76 2,910 251.50 8600 743.26 2528 408 387 3,324 12,497 3,324 0.000000% 08750 2910 251.50 709 0.086426 04182986 CHRISTENSEN 2-19 Weld 12,160 1,055.98 2.910 252.70 9,250 803.28 2,532 408 387 3.327 13.202 3,327 0.000000% 0.8750 2910 252.70 732 0.08684 00282994 CLEMENT 13-11 Weld 46,620 3,693.60 3.550 281.26 43,070 3412.34 3,149 467 443 4,058 50.616 4,058 0.000000% 0.8750 3550 281.26 108 0.079228 00282894 CLEMENT 14-11 Weld 27,800 2,202.54 3.540 280.47 24,260 1,922.07 3,138 467 443 4,047 30,183 4,047 0.000000% 0.8750 3540 280.47 108 0.079228 O0054794 CLEMENT 34-11 Weld 53.390 4,252.08 3,330 265.21 50.060, 3,986.87 2.894 467 443 3,803 57,966 3,803 0.000000% 08750 3330 265.21 138 0.079642 O0055894 CLEMENT 44-11 Weld 37.660 2,999.32 3,300 262.82 34.360 2,736.50 2,862 467 443 3,772 40,888 3,772 0.000000% 0.8750 3300 262.82 138 0.079642 00192690 CLEMONS 2-3 Weld 23,240 1,947.88 3,010 252.29 20.230 1.695.59 2.642 408 387 3437 25,232 3.437 0.000000% 0.8750 3010 252.29 743 0,083816 00170093 DACONO 11-36 Weld 47,450 5,220.44 3,260 358.67 44,190 4.861.77 3.349 467 443 4,259 58,877 4,259 12.500000% 08750 3260 358.67 1422 0.11002 00163093 DACONO 33-36 Weld 78,010 8,582.66 3,070 337,76 74,940 8.244,90 3,107 467 443 4,016 96,796 4,016 12.500000% 0.8750 3070 337.76 1422 0.11002 00/74/87 DAVIS 7-4 Weld 15,000 1,312.50 2,900 253.75 12,100 1.058.75 2,519 408 387 3,315 16,286 3,315 0.000000% 08750 2900 25375 685 00875 00085591 DECHANT UPRR 41-1 Weld 23,920 1,52758 2,970 189.67 20,950 1,337.91 2,540 438 415 3,393 25,970 3,393 0.000000% 0,8750 2970 189.67 310 0.063862 00035489 DEKALB#1 Weld 13,330 899.14 1.850 124.79 11480 774.35 1,547 292 277 2.115 14,473 2.115 0.000000% 0.8750 1850 124,79 305 0.067453 O0035489 DEKALB#2 Weld 41,510 2,79998 2.960 199.66 38,550 2,600.32 2,648 379 360 3,387 45,068 3,387 0.000000% 0.8750 2960 199,66 305 0.067453 00163287 DILL 42-9R#1 NIO Weld 53.480 4,14240 3,280 25406 50,200 3,888.34 2,779 496 470 3,745 58,064 3,745 0.000000% 0,8750 3280 254.06 120 0.077457 00095589 DILL UPRR 31-9#2 Weld 23,290 1,803.98 3,000 232.37 20,290 1,571,61 2,572 438 415 3.425 25,286 3,425 0.000000% 0.8750 3000 232.37 120 0077457 00115995 DILLON 44-15 Weld 20,690 1,728,62 3,120 260.67 17,570 1,467.95 2,598 496 470 3.564 22,463 3,564 0.000000% 0.8750 3120 260.67 1297 0.083549 00049694 DINNER 13-18A Weld 50,030 3,96378 3,500 277.30 46,530 3,686.48 3,091 467 443 4,000 54,318 4,000 0.000000% v8750 3500 277.30 108 0.079228 00049194 DINNER 14-18 Weld 48.960 3.879.00 3,600 285.22 45.360 3,593.78 3,208 467 443 4,117 53,157 4.117 0.000000% 0.8750 3600 285.22 108 0079228 00074992 DINNER 42-14#1 Weld 32,560 2.579.66 3,470 274.92 29,090 2,30474 3,175 467 443 4,085 36,414 4,085 2.920310% 0.8750 3470 274.92 108 0.079228 00170787 DOS RIOS 14-34 Weld 15,880 1,39932 3,030 267.00 12,850 1,132.32 2,665 408 387 3,460 17,241 3,460 0.000000% 08750 3030 267.00 633 0.088118 00062394 DOS RIOS 41-34 Weld 44,370 3,909.80 3,530 311.06 40,840 3,59874 3,125 467 443 4,034 48,173 4,034 0.000000% 0.8750 3530 311.06 633 0.088118 O0062694 DOS RIOS 43-34 Weld 45.700 3,63078 3,370 267.74 42,330 3,363.04 2,817 529 502 3,848 49,617 3,848 0.000000% 08750 3370 267.74 111 0.079448 04481886 DUNN#1 Weld 7.780 642.12 3,000 247.61 4,780 394.52 2.708 379 360 3.447 8.500 3.447 0.6255]0% 0.8750 3000 24761 547 0.082535 00106590 EACHUS UPRR 31-23#2 Weld 14,050 1,074.22 2,910 22249 11,140 851.73 2,468 438 415 3,321 15,254 3,321 0.000000% 08750 2910 222.49 118 0.076457 00157193 EACHUS UPRR 32-23#1 Weld 29,250 2,236.36 3.070 234,72 26,180 2.00164 2,595 467 443 3,504 31,757 3,504 0.000000% 0.8750 3070 234.72 118 0.076457 00094589 EACHUS UPRR 42-23#1 Weld 13,180 1,007.70 3,010 230.14 10,170 777.56 2,468 496 470 3,435 14,310 3.435 0.000000% 0.8750 3010 230.14 118 0.076457 00125393 ECKHARDT#2 Weld 6,890 548.74 1,870 14893 5,020 399.81 1,454 350 332 2,136 7.481 2,136 0.000000% 0.8750 1870 148.93 140 0.079642 00169987 EHRLICH 3-18 Weld 6,670 553.26 2,940 243.87 3,730 309.39 2,569 408 387 3,364 7.242 3,364 0.000000% 0,8750 2940 243.87 552 0.082949 04405586 EHRLICH 6-18 Weld 9,500 788.02 3,350 277.88 6,150 510.14 3.030 408 387 3.826 10.314 3.826 0.000000% 0.8750 3350 277.88 552 0.082949 05156486 EICHTHALER#1 Weld 29,840 2,012.80 2,530 170.66 27,310 1,842.14 2,262 321 304 2,888 32,398 2,888 0.000000% 0.8750 2530 170.66 305 0.067453 05156486 EICHTHALER#2 Weld 50.440 3,402.32 2,600 175.38 47,840 3,226.94 2,295 350 332 2,977 54,763 2,977 0.000000% 0.8750 2600 175.38 305 0.067453 00054894 EISENMAN 22-15 Weld 47.840 433066 3,180 287.87 44,660 4,042.79 2,598 529 502 3.629 51.941 3,629 0.000000% 0.8750 3180 287.87 693 0.090524 00169193 EWING 11-14 weld 112.110 8,882.26 4,140 328.00 107,970 8,554.26 3,819 467 443 4,728 121,719 4,728 0.000000% 0.8750 4140 328.00 104 0,079228 00282094 EWING 21-14 Weld 37,630 2,981.34 3,200 253.53 34,430 2,727.81 2,743 467 443 3,652 40,855 3.652 0.000000% 0.8750 3200 253.53 108 0.079228 00054694 EWING 23-11 Weld 30.060 2,381.60 3,150 249.57 26,9'0 2'32.03 2.694 467 443 3.603 32,63_7 3,603 0.000000% 08750 3150 249.57 108 0079228 00076392 EWING 24-11#1 Weld 33.160 2627.20 3.020 239.27 30.140 238793 2.544 467 443 3453 36.002 3453 0.000000% 0.8750 3020 239.27 108 0.079228 00056294 EWING 3114 Weld 49.140 3,89326 3.160 25036 45.980 __1..20 2,754 467 443 3.663 54.076 3.663 1339060% 0.8750 3'60 25036 108 0.079228 Page 12 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00166293 EWING 33-10 Weld 58,660 4.647.52 4,810 381.09 53,850 4,26643 4,586 467 443 5.496 63,688 5.496 0.000000% 0.8]50 4810 381.09 104, 0.079228 00169593 EWING 33-15 Weld 26,950 2,135.20 3.250 257.49 23,700 1,87771 2,807 467 443 3,716 29,260 3.716 0.000000% 0.8750 3250 257.49 108 00]9228 00169393 EWING 34-15 Weld 37,270 2,952.82 3,100 245.61 34.170 2.707.21 2.637 467 443 3.547 40,465 3.547 0.000000% 0,8750 3100 245.61 108 0.079228 00282194 EWING 41-14 Weld 91,160 7,222.42 4.010 31770 87,150 6,90472 3.809 467 443 4.718 101,951 4,718 2,920310% 0.8750 4010 317.70 108 0.079228 00165993 EWING 43-10 Weld 34,010 2,694.54 3,500 277.30 30.510 2.41]24 3,093 467 443 4.002 36.925 4,002 0.000000% 0.8750 3500 277.30 104 0.079228 O0075392 EWING 44-10#1 Weld 29,690 2,352.28 3,150 249.57 26.540 2,102.71 2.696 467 443 3,605 32,235 3,605 0.000000% 0,8750 3150 249.57 104 0.079228 00168993 FAGERBERG 12-14 Weld 23.500 1,861.86 4,000 31691 19.500 1,544.95 3,664 467 443 4,573 25.514 4,573 0.000000% 0.8750 4000 316.91 104 0.079228 00168793 FAGERBERG 22-14 Weld 42,140 3,338.66 3.210 254.32 38.930 3,084.34 2,758 467 443 3.667 45.752 3,667 0.000000% 0.8750 3210 254.32 104 0.079228 O0075092 FAGERBERG 32-14#1 Weld 38,390 3,041.56 5,790 458.73 32,600 2,582.83 5,795 467 443 6,704 42,246 6,704 1.339060% 0.8750 5790 458.73 104 0.079228 00174087 FAIRMEADOWS 12-3 weld 14,310 1,252.12 2.950 258.13 11,360 994.00 2,573 408 387 3,369 15,537 3.369 0.000000% 0.8750 2950 258.13 685 00875 05133886 FIELDS#1 J Weld 45.740 3,085,30 3,600 242.83 42.140 2.84247 3,432 350 332 4,115 49,661 4,115 0.000000% 08750 3600 242.83 305 0.067453 05133886 FIELDS#2 J Weld 37,040 2,498.46 7,990 538.95 29,050 1,959.51 8,451 350 332 9,133 40,215 9,133 0.000000% 0.8750 7990 538.95 305 0.067453 00133895 FIOLKOSKI 24-26 Weld 44.400 3.902.68 2.910 255.78 41,490 3,64690 2.357 496 470 3,324 48,206 3.324 0.000000% 0.8750 2910 255.78 698 0.087898 00311695 FIOLKOSKI#1-26 Weld 13.070 1,148.82 3180 279.52 9.890 869.30 2,893 379 360 3.632 14,190 3,632 0.000000% 0.8750 3180 279.52 698 0.087898 00311595 FIOLKOSKI#2-26 Weld 15.970 140374 3,230 283.91 12,740 1,119,83 2.896 408 387 3,691 17,339 3,691 0.000000% 0.8750 3230 283.91 698 0087898 00285794 FIRESTONE 12-30 Weld 63.210 5,706.66 3,930 354.80 59,280 5,351.86 3,676 467 443 4.586 70.062 4.586 2.046330% 0.8750 3930 354.80 1295 0.090281 00161087 FLACK 5-3 Weld 13,490 1,130.68 2.990 250.61 10.500 880.07 2,621 408 387 3.416 14,646 3,416 0.000000% 0.8750 2990 250.61 743 0.083816 04182686 FLACK 7-19 Weld 11,970 1,03948 3.300 286,57 8,670 752.91 2,974 408 387 3,770 12,996 3,770 0.000000% 0,8750 3300 286.57 732 008684 00171087 FLATIRON 10-36 Weld 17,270 1,50398 3,020 26300 14,250 1,240.98 2,654 408 387 3,450 18.750 3,450 0.000000% 0,8750 3020 263.00 604 0.087086 00171187 FOE 16-20 Weld 12,080 1,012.50 2,910 243.90 9,170 768.60 2,531 408 387 3,327 13,115 3.327 0.000000% 0.8750 2910 243.90 743 0083816 01144597 FOE 43-20 Weld 44,920 3,765.02 3,200 268.21 41720 3,496.81 2,685 496 470 3,652 48,770 3,652 0.000000% 08750 3200 268.21 743 0.083816 00109389 FOSTER UPRR 31-35#1 Weld 11,410 872.38 3.110 23778 8,300 634.60 2.703 438 415 3,556 12,388 3,556 0.000000% 0.8750 3110 237.78 118 0.076457 00049094 FOSTER UPRR 32-35 Weld 32,290 2,468.80 3.100 237.02 29.190 2,231.78 2,509 529 502 3,540 35,058 3.540 0.000000% 08750 3100 237.02 118 0.076457 O0048794 FOSTER UPRR 41-35 Weld 32,190 2,461.16 3,200 244.66 28,990 2,216.50 2,624 529 502 3,655 34,949 3,655 0.000000% 0.8750 3200 244.66 118 0.076457 00106890 FOSTER UPRR 42-35#2 Weld 13,800 1,055.10 3.130 239.31 10,670 815,79 2,720 438 415 3,573 14,983 3.573 0.000000% 08750 3130 239,31 118 0.076457 00132088 FRANCEN 11-30 Weld 22,430 1,879.64 2.950 247.21 19,480 1,63243 2,571 408 387 3,367 24,353 3.367 0.000000% 0.8750 2950 247.21 688 0.0838 00163087 FRANK UPRR 31-21#1 Weld 23.680 1.81050 3,090 236.25 20,590 1,57425 2,740 408 387 3,536 25.710 3,536 0.000000% 0.8750 3090 236.25 118 0.076457 00085691 FRANK UPRR 32-21#3 Weld 25,660 1,961.88 3,170 242.37 22,490 1,719.51 2,765 438 415 3,618 27859 3,618 0.000000% 0.8750 3170 242.37 118 0.076457 00048194 FRANK UPRR 41-21 Weld 28.920 2.211.14 3,600 275.25 25,320 1,935.89 3,207 467 443 4,116 31,399 4,116 0.000000% 0.8750 3600 275.25 118 0,076457 00168888 FRANK UPRR 42-21#2 Weld 44.480 3,400.80 3.820 292.07 40,660 3.10873 3.574 408 387, 4.370 48.293 4,370 0.000000% 0.8750 3820 292.07 118 0,076457 00156293 FRANK UPRR 43-21#4 Weld 37,280 2,850.32 3.920 299.71 33.360 2,550.61 3,569 467 443 4,478 40,475 4,478 0.000000% 0.8750 3920 299.71 118 0.076457 00173887 FRENCH 9-33 Weld 21,520 1,803,72 2,990 250,61 18,530 1,553.11 2.622 408 387 3.418 23,365 3,418 0.000000% 0.8750 2990 250.61 743 0.083816 04648586 FT ST VRAIN#17 Weld 46.890 3,64842 3.840 298.78 43,050 3,349.64 3,652 379 360 4,391 50,909 4,391 0.000000% 0.8750 3840 29878 125 0.077808 05674786 FUTURA HORSE VIL 41-03#1 Weld 840 69.34 800 66.04 40 3.30 1,095 321 304 1,720 912 912 0.000000% 0.8750 800 6604 1460 0,082548 05675186 FUTURA HORSE VIL 41-03#3 Weld 9,370 96781 3,720 384.23 5,650 583.58 3,626 321 304 4.252 10,173 4.252 0.000000% 0.8750 3720 384.23 1292 0.103288 05675186 FUTURA HORSE VII 41-03#4 Weld 600 61.97 570 58.87 30 3.10 1,095 321, 304 1.720 651 651 0.000000% 0.8750 570 58.87 1292 0.103288 00261293 GARCIA UPRR 31-5 Weld 62.320 5.169.38 3.560 295.30 58.760 4.874.08 3.161 467 443 4.070 67.662 4.070 0.000000% 0.8750 3560 295.30 552 0082949 00198189 GEISERT 7-11 Weld 15.270 1.38230 3.330 301.44 11.940 1.080.86 3.006 408 387 3.802 16.579 3.802 0.000000% 0.8750 3330 301.44 693 0.090524 05155686 GITTLEIN#1 Weld 32.190 2,171.32 3.720 250.93 28.470 1,920.39 3,684 292 277 4,252 34.949 4,252 0.000000% 0.8750 3720 250.93 305 0.067453 Page 13 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.! Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 0007178] GITTLEIN#2 Weld 48,920 3,299.80 3,740 252.27 45,180 3,047.53 3,536 379 360 4,2]5 53.113 4,275 0.000000% 0.8750 3740 252.27 305 0.067453 05620486 GLANTZ HARLAN GU#1 Weld 11.590 968.34 2.830 236.44 8,760 731.90 2,609 331 314 3.254 12.659 3.254 0.5972]0% 0.8750 2830 236.44 1297 0.083549 00136188 GLENDENNING 13-3 Weld 13,960 122150 3,380 295.75 10,580 925.75 3,068 408 387 3.864 15.157 3.864 0.000000% 0.8750 3380 295.75 684 0.0875 04405886 GREENHEAD 11-18 Weld 17,380 1415.58 2.990 243.53 14.390 1.172.05 2.622 408 387 3.417 18.870 3,417 0.000000% 0.8750 2990 243.53 529 0.081449 04406386 GREENHEAD 14-18 Weld 13,920 1,07820 3.010 233.15 10,910 845.05 2,644 408 387 3.440 15,113 3,440 0.000000% 0.8750 3010 233.15 121 0.077457 O0058594 GREENHEAD 32-18 Weld 34,290 279288 3.190 259.82 31.100 2,533.06 2,742 467 443 3,651 37,229 3,651 0.000000% 0.8750 3190 259.82 529 0.081449 00049894 GR0SSAINT 41-21 Weld 40.310 3.632.34 3,240 291.96 37.070 3,340.38 2,672 529 502 3,702 43.765 3.702 0.000000% 0.8750 3240 29196 644 0.09011 00085791 GUN CLUB UPRR 31-3#2 Weld 46,670 3,65090 3450 269.89 43,220 33.381.01 3.091 438 415 3.944 50,670 3,944 0.000000% 0.8750 3450 269.89 102 0.078228 00168688 GUN CLUB UPRR 41-3#1 Weld 50,840 3,977.12 3,360 262.85 47.480 3.714.27 3.045 408 387 3.841 55,198 3,841 0.000000% 0.8750 3360 262.85 102 0.078228 00125494 HART-MEMCO 1-22 Weld 33,330 2,777.88 3,530 294.21 29,800 2.483,67 3,123 467 443 4,033 36,187 4,033 0.000000% 0.8750 3530 294.21 599 0.083345 00054094 HATCH 32-11 Weld 49260 3.673.66 3,270 243.87 45.990 3429.79 2,704 529 502 3.735 53,482 3,735 0.000000% 0.8750 3270 243.87 129 0.074577 00042587 HATCH UPRR 31-11#3 Weld 22.090 1,647.40 3,080 229.70 19.010 1,417.70 2,720 408 387 3,516 23,983 3.516 0.000000% 0.8750 3080 229.70 129 0.074577 00161487 HATCH UPRR 31-19#2 Weld 21,530 1,605.64 3.270 243.87 18,260 1.36177 2,941 408 387 3.737 23,375 3737 0.000000% 0.8750 3270 243.87 129 0.074577 00162987 HATCH UPRR 42-11#1 Weld 12,910 962.78 2.890 215.53 10,020 747.25 2,502 408 387 3,297 14,017 3,297 0.000000% 0.8750 2890 215.53 129 0.074577 05130686 HEMPSTEAD JACKIE GU#1 Weld 1,330 82.44 1,260 78.10 70 4.34 1,876 331 314 2.521 1,444 1.444 0.000000% 0.8750 1260 78.10 320 0.061982 00167293 HENORICKS0N AMOCO 41-19 Weld 13.890 1,03388 3,090 230.00 10.800 803.88 2.625 467 443 3.535 15,081 3,535 0.000000% 0.8750 3090 230.00 101 0.074433 00105187 HENRY 12-A Weld 8,690 692.08 3.370 268.39 5,320 423.69 2,952 463 439 3.854 9,435 3,854 0.000000% 0.8750 3370 268.39 138 0.079642 00174387 HERBSTER 3-35 Weld 35,520 3,122.14 4,630 406.97 30,890 2,715.17 4,493 408 387 5,289 38.565 5,289 0.000000% 0.8750 4630 406.97 697 0.087898 00085891 HERMAN UPRR 31-31#1 Weld 43.550 3,198.00 3.940 289.33 39,610 2.908,67 3,741 438 415 4,594 48,236 4,594 1.975000% 0.8750 3940 289.33 122 0.073433 00143895 HERMAN UPRR 41-31 Weld 36,270 2,663.42 5,100 374.51 31,170 2,288.91 5.038 467 443 5,948 40,172 5.948 1.975000% 0.8750 5100 374.51 122 0.073433 00105087 HIGHLAND 11-20 Weld 14,270 1,224.94 3,180 272.97 11,090 951.97 2,843 408 387 3.639 15,493 3,639 0.000000% 0.8750 3180 272.97 742 0.08584 00046794 HOECHER#1 Weld 57.920 4,958.18 3,400 291.05 54,520 4,667.13 2,981 467 443 3.890 62,885 3,890 0.000000% 0.8750 3400 291.05 671 0.085604 00046694 HOECHER#2 Weld 46.340 4,073.20 3.430 301.49 42,910 3.771.71 3,009 467 443 3.918 50.312 3,918 0.000000% 0.8750 3430 301.49 697 0.087898 00033195 HOPPER 43-15 Weld 23,600 1,971.76 3.150 263.18 20,450 1.708,58 2,630 496 470 3,596 25,623 3,596 0.000000% 0.8750 3150 263.18 1297 0.083549 00131488 HOSHIKO 3-33 Weld _ 11,300 946.94 2,950 24721 8,350 699.73 2,579 408 387 3,375 12,269 3,375 0.000000% 08750 2950 247.21 688 0.0838 00160987 H0SHIKO 7-2 Weld 11,730 1.018.64 3.840 33347 7,890 685.17 3,487 463 439 4,389 12.735 4.389 0.000000% 0.8/50 3840 333.47 738 0.08684 00042487 IONE UPRR 31-35#1 Weld 18,340 1,346.76 3.370 247.47 14,970 1,099.29 3,051 408 387 3,847 19,912 3,847 0.000000% 0.8750 3370 247.47 122 0.073433 00164993 J BAR B 34-36 Weld 60,860 5.121.80 5.550 467.07 55,310 4.654.73 5.636 467 443 6.545 68,208 6.545 3.125000% 0.8750 5550 467.07 1321 0.084157 00016295 JEPSEN 11-2 Weld 35,200 2,753.62 3,840 30040 31.360 2,453.22 3,421 496 470 4,388 38,217 4,388 0.000000% 0.8750 3840 300.40 102 0.078228 00016095 JEPSEN 21-2 Weld 40.680 3,182.32 3,910 305.87 36.770 2,87645 3.502 496 470 4.468 44,167 4,468 0.000000% 0.8750 3910 305.87 102 0.078228 00134095 JEPSEN 22-2 Weld 91,400 7,150.04 3.870 302.74 87.530 6,847.30 3,459 496 470 4,425 99,234 4,425 0.000000% 0.8750 3870 302.74 102 0.078228 00012695 JEPSEN 23-2 Weld 61,700 4,826.66 3.670 287.10 58.030 4.539.56 3,287 467 443 4,197 66.989 4.197 0.000000% 0.8750 3670 287.10 102 0.078228 04933986 JEPSEN#1 Weld 12,480 976.28 3.170 247.98 9,310 728.30 2,944 350 332 3.626 13.550 3,626 0.000000% 0.8750 3170 247.98 102 0.078228 04933786 JEPSEN#2 Weld 34,320 2,684.78 3.030 237.03 31290 2.447.75 2,776 350 332 3.458 37,262 3.458 0.000000% 0.8750 3030 237.03 102 0.078228 00091389 JEPSEN#3 Weld 17,220 1,347.08 7.770 60]83 9.450 73925 8.029 438 415 8,882 18,696 8,882 0.000000% 0.8750 7770 607.83 102 0.078228 00091289 JEPSEN#4 Weld 12,120 948.12 3.200 250.33 8,920 697.79 2.859 408 387 3,655 13,159 3,655 0.000000% 0.8750 3200 250.33 102 0,078228 04648486 JOHNSON 1-34 Weld 18.0]0 1.351.34 3,490 261.00 14,580 1.090.34 3,305 350 332 3,987 '9,619 3,987 0.000000% 0.8750 3490 261.00 124 0074784 0016'393 JOHNSON 32-30 Weld 42300 3.545.00 4.100 34360 _ 38.200 3.20140 3,780 467 443 4.689 45,926 4.689 0.000000% 0.8750 4100 343.60 1303 0,083806 00328995 JOHNSON 3J4 Weld 13740 1 027 54 3.270 244.54 10,470 783.00 3.002 379 360 3.741 14.918 3,/41 0.0000009° 0.8750 3270 244.54 1241 x.074]54 Page 14 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate.I Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.I Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00137587 JOHNSON A-30 Weld 44,640 3,898.82 4,200 366.82 40,440 3,532.00 4,058 379 360 4796 48,466 4,796 0.000000% 0.8750 4200 366.82 748 0087339 04843586 JOHNSON GU#1 Weld 51,280 3,81692 3,020 224.79 48,260 3.592.13 2,883 292 277 3,451 55.675 3,451 0.000000% 0.8750 3020 224.79 101 0074433 00169787 KAWATA 2-16 Weld 11,380 881.46 2,930 226.95 8,450 654.51 2,555 408 387 3,351 12.355 3,351 0.000000% 0.8750 2930 226.95 121 0.077457 00095989 KAWATA 7-16 Weld 12,180 948.46 3,020 23517 9,160 71329 2.661 408 387 3,456 13,224 3,456 0.000000% 0.8750 3020 235.17 145 0.077871 00174287 KEATON 8-26 Weld 25.860 2,194.84 3,000 254.62 22,860 1,940.22 2.637 408 387 3,433 28,077 3,433 0.000000% 0.8750 3000 254.62 696 0.084874 00166493 KEENAN UPRR 31-15 Weld 41,710 3,110.60 3.140 234.17 38,570 2,876.43 2,683 467 443 3,593 45.285 3,593 0.000000% 0.8750 3140 234.17 129 0.074577 00162087 KEENAN UPRR 41-15#1 Weld 10.970 818.10 2,940 219.26 8,030 598.84 2,565 408 387 3.361 11,910 3.361 0.000000% 0.8750 2940 219.26 129 0.074577 00070792 KERN UPRR 31-5#2 Weld 34.650 2.645.46 2,930 223.70 31,720 2,421.76 2.535 438 415 3,387 38.020 3.387 1.051820% 0.8750 2930 223.70 133 0.076348 00162387 KERN UPRR 41-541 Weld 15,270 1.18276 3,460 268.00 11,810 914.76 3.203 408 387 3,999 16,744 3.999 0.984350% 08750 3460 26800 121 0077457 04843286 KERN#1 Weld 76,140 5,897.58 2,940 227.72 73.200 5,669.86 2,796 292 277 3,364 82,666 3,364 0.000000% 0.8750 2940 227.72 120 0.077457 00162292 KINDVALL 2-35 Weld 24,470 2,104.86 3,150 270.96 21.320 1,833.90 2.703 463 439 3,605 26,567 3,605 0.000000% 0.8750 3150 270.96 674 0.086018 00162292 KINDVALL 7-35 Weld 36420 3,132.78 6,250 537.61 30,170 2,595.17 6,346 408 387 7,142 39.542 7,142 0.000000% 0.8750 6250 537.61 674 0.086018 00058494 KINSMAN 22-18 Weld 63,780 5,194.82 4,000 325.80 59,780 4,869.02 3,657 467 443 4,567 69,247 4,567 0.000000% 0.8750 4000 325.80 529 0.081449 00049594 KINSMAN 23-18 Weld 43,540 3,317.92 3,350 255.28 40,190 3,062.64 2,923 467 443 3.833 47,272 3,833 0.000000% 0.8750 3350 25528 105 0.076204 00075292 KINSMAN 24-18#1 Weld 37.430 2,852.32 3,800 289.58 33,630 2.562.74 3.431 467 443 4,341 40,638 4,341 0.000000% 0.8750 3800 289.58 105 0.076204 00049494 KINSMAN 33-18 Weld 43,210 3,292.78 3,240 246.90 39.970 3.045.88 2,793 467 443 3,703 46,914 3,703 0.000000% 0.8750 3240 246.90 105 0.076204 00049394 KINSMAN 34-18 Weld 46,980 3.58006 3,170 241.57 43,810 3,338.49 2.718 467 443 3.627 51,007 3.627 0.000000% 0.8750 3170 241.57 105 0.076204 00121394 KOCH 41-6 Weld 29,630 2,483.18 3,660 306.73 25,970 2,17645 3,278 467 443 4,187 32,170 4,187 0.000000% 0.8750 3660 306.73 1303 0.083806 00321494 KOCH KENNETH E A-1 Weld 29.180 2,445.46 3,950 331.03 25,230 2,114.43 3,721 408 387 4,517 31,681 4.517 0.000000% 0.8750 3950 331.03 1303 0.083806 00321294 KOCH KENNETH E#1 Weld 21,680 1,816.92 3,400 284.94 18,280 1,531.98 3,255 321 304 3,881 23,538 3,881 0.000000% 0.8750 3400 284.94 1303 0.083806 00030695 KOESTER 13-33 Weld 69,410 5,610.96 3,730 301.53 65,680 5,309.43 3,293 496 470 4,259 75,359 4.259 0.000000% 0.8750 3730 301.53 563 0.080838 00032695 KOESTER 14-33 Weld 40,920 3,307.90 3.620 292.63 37,300 3,015.27 3,173 496 470 4,139 44,427 4,139 0.000000% 0.8750 3620 292.63 563 0.080838 00031195 KOESTER 23-33 Weld 32.450 2,623.20 3,890 314.46 28,560 2,308.74 3,348 562 533 4,443 35,231 4,443 0.000000% 0.8750 3890 314.46 563 0.080838 00030295 KOESTER 24-33 Weld 46,120 3,728.24 3,430 277.27 42,690 3,450.97 2,956 496 470 3,922 50.073 3,922 0.000000% 0.8750 3430 277_27 563 0.080838 04129886 KOHLER 6-21 Weld 10,740 932.66 2,980 25878 7,760 673.88 2,506 463 439 3,408 111,661 3408 0.000000% 0.8750 2980 258.78 738 0.08684 04129886 KOHLER 7-21 Weld 10,550 916.16 2,990 259.65 7,560 656.51 2,516 463 439 3,418 11,454 3,418 0.000000% 0.8750 2990 259.65 738 0.08684 04129886 KOHLER 8-21 Weld 14,670 1,273.94 3,000 260.52 11,670 1,013.42 2,530 463 439 3,432 15,927 3,432 0.000000% 0.8750 3000 260.52 738 0.08684 00165593 KUGEL UPRR 31-23 Weld 23,350 1,741.38 3,460 258.04 19,890 1,483.34 3,050 467 443 3,959 25.351 3,959 0.000000% 0.8750 3460 258.04 129 0.074577 00169088 KUGEL UPRR 32-23#1 Weld 22,160 1,652.62 3.430 255.80 18.730 1,396.82 3,126 408 387 3,922 24,059 3,922 0.000000% 0.8750 3430 255.80 129 0.074577 05653386 LAMAR JOHN W GU#1 Weld 300 25.14 290 24.30 10 0.84 352 298 282 932 326 326 0.000000% 0.8750 290 24.30 1303 0.083806 00130888 LARSON 6-35 Weld 19,110 1,679.74 3.050 268.09 16.060 1.411.65 2.694 408 387 3.490 20,748 3,490 0.000000% 0.8750 3050 268.09 697 0.087898 00172087 LASALLE 14-29 Weld 9,900 784.36 3,000 237.68 6,900 546.68 2,528 463 439 3431 10.749 3.431 0.000000% 0.8750 3000 237.68 104 0.079228 00091489 LEHAN#1 Weld 24,760 1,897.06 3,330 255.14 21,430 1,641.92 2,953 438 415 3,806 26,882 3.806 0.000000% 0.8750 3330 255.14 139 0.076618 00091889 LEHAN#2 Weld 30,270 2,319.22 3,380 258.97 26,890 2,06025 3,011 438, 415 3,863 32.865 3,863 0.000000% 0.8750 3380 258.97 139 0.076618 00133088 LEY 7-19 Weld 12,860 99620 3,060 237.04 9,800 759.16 2.701 408 387 3,497 13,962 3,497 0.000000% 0.8750 3060 237.04 220 0.077465 00173287 LEY 8-19 Weld 13.230 1,024.86 7,270 563.17 5,960 461.69 7.513 408 387 8.309 14,364 8,309 0.000000% 0.8750 7270 563.17 220 0.077465 01603586 LINO#1 Wee 10,600 919.52 4,350 377.35 6,250 542.17 4,237 379 360 4,975 11,509 4.975 0.000000% 08750 4350 377.35 429 0.066747 00095389 LUCKY 2 AMOCO 34-6 Weld 25.830 2.007]2 3,080 23851 22.750 1.762 15 2,670 438 415 3.523 28.044 3.523 0.000000% 0.8750 3080 238.5/ 120 0.077457 04937786 LUDWIG UPRR 31-5#1 Weld 27.990 2.13698 3.100 236.68 24.890 1,900.30 2.751 408 387 3,547 30.389 3147 0.000000% 0.8750 3;00 236.68 133 0.076348 Page 15 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.i Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00086191 LUDWIG UPRR 32-1#2 Weld 48,910 3,647.56 3,530 263.26 45,380 3.384.30 3,184 438 415 4.036 53.102 4,036 0.000000% 0.8750 3530 263.26 129 0.074577 00152693 LUDWIG UPRR 41-1 Weld 43460 3,24112 3,660 272.95 39.800 2968.1] 3,445 379 360 4.184 47,185 4.184 0.000000% 0.8750 3660 272.95 129 0.074577 00086291 LUHMAN UPRR 31-1343 Weld 21,150 1,577.30 3.160 235.66 17.990 1.341.64 2,756 438 415 3.608 22.963 3.608 0.000000% 08750 3160 235.66 129 0.074577 00162587 LUHMAN UPRR 32-13#1 Weld 37,980 2.832.44 3,250 242.38 34,730 2.590,06 2,922 408 387 3,717 41,235 3,717 0.000000% 0.8750 3250 242.38 129 0.074577 00041987 LUHMAN UPRR 41-13#2 Weld 11,270 840.48 2,960 220.75 8,310 619.73 2,584 408 387 3,379 12,236 3.379 0.000000% 0.8750 2960 22075 129 0.074577 00152893 LUHMAN UPRR 42-13#4 Weld 34,210 2,551.28 3.250 242.38 30,960 2,308.90 2,807 467 443 3,716 37.142 3.716 0.000000% 0.8750 3250 242.38 129 0.074577 O0029895 MAGNESS 34-26 Weld 37,560 2.795,70 3.060 22776 34,500 2,567.94 2,545 496 470 3,511 40.882 3.511 0.250000% 0.8750 3060 227.76 106 0.074433 00282494 MAGNESS 43-25 Weld 35.340 2,737.34 3.440 266.45 31.900 2470.89 3,026 467 443 3,935 38,369 3,935 0.000000% 0.8750 3440 266.45 120 0.077457 00282394 MAGNESS 44-25 Weld 34,090 2,640.50 3,490 270.32 30,600 2.370.18 3,081 467 443 3,991 37.012 3,991 0.000000% 0.8750 3490 270.32 120 0.077457 04827586 MAYER WALTER GU#1 Weld 17,230 1,282.48 2,560 190.55 14,670 1.091.93 2.359 292 277 2,927 18.723 2,927 0.085155% 0.8750 2560 190.55 101 0.074433 00115495 MCALLISTER 32-12 Weld 40.560 3,107.62 3.480 266.63 37.080 2,840.99 3.008 496 470 3.975 44,037 3,975 0000000% 0.8750 3480 266.63 139 0.076618 00168589 MCARTHUR#1 Weld 8.260 654.42 3.510 278.09 4,750 376.33 3,349 364 345 4,058 9,065 4,058 1.064840% 0.8750 3510 278.09 104 0.079228 00168589 MCARTHUR#2 Weld 5.850 463.48 3,510 278.09 2,340 185.39 3.350 364 345 4.059 6,420 4,059 1.064840% 0.8750 3510 278.09 104 0.079228 00154193 MCCARTHY 11-12 Weld 35,160 2.785.66 3.170 251.15 31.990 2,534.51 2.715 467 443 3,625 38,174 3.625 0.000000% 0.8750 3170 251.15 104 0.079228 00076192 MCCARTHY 12-12#2 Weld 40,720 3,226.16 3,280 259.87 37,440 2,96629 2,841 467 443 3,750 44,286 3.750 0.171880% 0.8750 3280 259.87 104 0.079228 00070592 MCCARTHY 22-12#1 Weld 38.080 3,017.00 3.220 255.11 34.860 2.761.89 2,830 438 415 3,683 41415 3,683 0.171880% 0.8750 3220 255.11 104 0.079228 00164491 MCDERMED 2-1 Weld 21,630 1,878.34 3.050 264.86 18,580 1,613.48 2,653 430 408 3,490 23,484 3.490 0.000000% 0.8750 3050 264.86 738 0.08684 00021295 MCGLOTHLIN 24-6 Weld 27.560 2,134.72 3,210 248.64 24,350 1,886.08 2,707 496 470 3,673 29,922 3,673 0.000000% 0.8750 3210 248.64 120 0.077457 00095489 MCGLOTHLIN AMOCO 23-6 Weld 39,920 3,092.08 3.100 240.12 36,820 2,851.96 2,578 496 470 3.545 43,342 3.545 0.000000% 0.8750 3100 240.12 120 0.077457 ` 00282794 MEYERS 34-10 Weld 25,610 2,029.02 4,000 316.91 21,610 1,712.11 3.663 467 443 4,573 27,805 4,573 0.000000% 0.8750 4000 316.91 104 0.079228 00052794 MILE HIGH 13-3 Weld 34,600 2,484.84 3,300 236.99 31,300 2,247.85 2,858 467 443 3.767 37,566 3,767 0.000000% 0.8750 3300 236.99 800 0.071816 00240493 MILLER 1-21 Weld 40,990 3,569.66 3.470 302.19 37.520 3,267.47 3,170 408 387 3,966 44,503 3,966 0.000000% 0.8750 3470 302.19 604 0.087086 00172587 MILLER 16-29 Weld 3.750 314.32 1.470 123.21 2,280 191.11 883 408 387 1,679 4.071 1,679 0.000000% 0.8750 1470 123.21 743 0.083816 00086391 MILLER UPRR 31-2943 Weld 21,840 1,669.82 3,050 233.19 18,790 1,436.63 2,638 438 415 3,490 23.712 3.490 0.000000% 0.8750 3050 233.19 118 0.076457 00022195 MILLER UPRR 41-29 Weld 22,140 1,692.76 3.240 247.72 18,900 1445.04 2,675 529 502 3,706 24,038 3,706 0.000000% 0.8750 3240 247.72 118 0.076457 00258988 MILLER UPRR 42-2942 Weld 11,620 888.44 3,U/0 234.72 8,550 653.72 2,709 408 387 3.505 12.616 3.505 0000000% 0.8750 3070 234.72 118 0.076457 04826186 MILLER JACK#1 Weld 54,680 4,235.34 3.660 283.49 51,020 3,951.85 3,619 292 277 4,187 59.367 4,187 0.000000% 0.8750 3660 283.49 120 0.077457 04826586 MILLER ROY R GU#1 Weld 8.490 657.60 3,180 246.31 5.310 41129 3,070 292 277 3.638 9,222 3.638 0.046410% 0.8750 3180 246.31 120 0.077457 00175087 MONFORT 5-10 Weld 10.650 797.12 3.030 226.79 7,620 570.33 2.672 408 387 3.468 11,563 3,468 0.000000% 0.8750 3030 226.79 144 0.074847 00175287 MONFORT 6-10 Weld 26,210 1,961.74 3,170 237.26 23,040 1,724.48 2,825 408 387 3,621, 28,457 3,621 0.000000% 0.8750 3170 237.26 144 0.074847 00094889 MOSER UPRR 42-3#2 Weld 55.490 4,242.60 3,570 272.95 51,920 3,969.65 3,228 438 415 4.081 60,246 4,081 0.000000% 0.8750 3570 272.95 118 0.07645] 00094689 MOSER FARMS UPRR 31-2741 Weld 10,350 791.32 2,990 228.61 7,360 562.71 2,568 438 415 3,421 11237 3.421 0.000000% 0.8750 2990 228.61 118 0.076457 00320095 MOSER FARMS UPRR 32-945 Weld 13,090 882.96 2.760 186.17 10.330 696.79 2,302 438 415 3,155 14,212 3.155 0.000000% 0.8750 2760 186.17 305 0067453 O0094389 MOSER FARMS UPRR 41-52 Weld 9,490 627.90 2,920 193.20 6.570 434.70 2,374 496 470 3.341 10.303 3,341 0.000000% 0.8750 2920 193.20 332 0.066165 00319995 MOSER FARMS UPRR 41-944 Weld 24,830 1,674.86 2.900 195.61 21.930 1479.25 2,353 496 470 3,320 26.958 3,320 0.000000% 0.8750 2900 195.61 305 0.067453 00106690 MOSER FARMS UPRR 42-27 43 Weld 12,150 928.96 2.990 228.61 9,160 700.35 2.451 496 470 3.418 13,191 3,418 0.000000% 0.8750 2990 228.61 118 0.076457 00168988 MOSER INC UPRR 31-3341 Weld 9.690 740.86 3410 260.72 6.280 480.14 3.106 408 387 3.902 10.521 3.902 0.000000% 0.8750 3410 260.72 118 0076457 00086591 MOSER INC UPRR42-33 k2 Weld 19,420 051918 3.050 238.60 16,370 1,280.58 2,628 438 415 3.480 21.085 3.480 0.000000% 0.8750 3050 238.60 102 0.0/8225 00168488 MOSER UPRR 32-3#1 Weld 50.510 3.951.30 3,650 285.53 46.860 3,665.77 3,373 408 387 4,168 54,839 4.168 0.000000% 08750 3650 285.53 102 0.078228 Page 16 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00285594 MOSSBERG 41-31 Weld 30,380 2.585.16 3,070 261.24 27.310 2.323.92 2.596 467 443 3,505 32,984 3.505 0.000000% 0.8750 3070 261.24 608 0.085094 05143086 MUSE#1 Weld 15.740 975.60 2,420 150.00 13,320 825.60 2,058 364 345 2,767 17,089 2,767 0.000000% 0.8750 2420 150.00 320 0.061982 05143086 MUSE#2 Weld 23,860 1,478.88 2,890 179.13 20,970 1.299.75 2.593 379 360 3,332 26,135 3.332 0.878900% 0.8750 2890 179.13 320, 0.061982 00041487 NEALE UPRR 32-15#1 Weld 21.570 1,608.62 2.950 220.00 18.620 1.388.62 2.572 408 387 3,368 23419 3.368 0.000000% 0.8750 2950 220.00 129 0.074577 00174587 NELSON 12-22 Weld 14.220 1,191.63 3.000 251.40 11,220 940.23 2,638 408 387 3,434 15,439 3.434 0.000000% 0.8750 3000 251.40 692 0.0838 00174587 NELSON 13-22 Weld 10.760 901.69 3.190 267.32 7.570 634.37 2.848 408 38/ 3,643 11,682 3.643 0.000000% 0.8750 3190 267.32 692 0.0838 00137987 NELSON DARRAH 1-12 Weld 10,540 839.42 3.170 252.47 7,370 586.95 2,720 463 439 3,622 11,443 3,622 0.000000% 0.8750 3170 252.47 138 0.079642 05650786 NELSON MILTON H D#1 Weld 380 31.84 360 30.17 20 1.67 701 321 304 1,327 413 413 0.000000% 0.8750 360 30.17 1303 0.083806 05650986 NELSON MILTON H E#1 Weld 8,420 705.64 2,570 215.38 5.850 490.26 2,315 321 304 2,940 9,142 2,940 0.000000% 0.8750 2570 215.38 1303 0.083806 00128587 NELSON MILTON H H#1 Weld 106,200 8,900.20 2,510 210.35 103,690 8.68985 2,076 408 387 2,871 115,303 2,871 0.000000% 0.8750 2510 210.35 1303 0.083806 00128287 NELSON MILTON H I#1 Weld 77,690 6,51088 2,930 245.55 74,760 6.265.33 2,557 408 387 3.353 84,349 3.353 0.000000% 0.8750 2930 245.55 1303 0.083806 00128387 NELSON MILTON H K#1 Weld 55.550 4,65542 3.980 333.55 51,570 4,32187 3.757 408 387 4,552 60,311 4.552 0.000000% 0.8750 3980 333.55 1303 0.083806 00128487 NELSON MILTON H L#1 Weld 42.800 3,586.90 2,610 218.73 40,190 3,368.17 2.185 408 387 2,981 46,469 2,981 0.000000% 0.8750 2610 218.73 1303 0.083806 00128687 NELSON MILTON H M#1 Weld 25,790 2,161.36 2,600 217.90 23,190 1,943.46 2,177 408 387 2,973 28,001 2,973 0.000000% 0.8750 2600 217.90 1303 0.083806 00005794 NICHOLS 33-6 Weld 20,920 1.344.84 3.360 216.00 17,560 1,128.84 2,872 496 470 3,838 22.713 3,838 0.000000% 0.8750 3360 216.00 323 0.064285 00031794 NOFFSINGER 13-14 Weld 46,890 3,715.00 3.120 247.19 43,770 3467.81 2,696 467 443 3,605 51,413 3.605 0.979690% 0.8750 3120 247.19 104 0.079228 00031994 NOFFSINGER 23-14 Weld 46,240 3,663.50, 3.350 265.41 42,890 3,398.09 2.963 467 443 3,872 50,700 3,872 0.979690% 0.8750 3350 265.41 104 0.079228 00076292 NOFFSINGER 43-15#1 Weld 26,180 2,074.18 3,080 244.02 23.100 1,830.16 2,611 467 443 3.520 28.424 3,520 0.000000% 0.8750 3080 244.02 104 0.079228 O0058394 NOFFSINGER 44-15 Weld 30,640 2,427.54 3,330 263.83 27,310 2,163.71 2,893 467 443 3,803 33,266 3,803 0.000000% 0.8750 3330 263.83 104 0.079228 00310095 NOFFSINGER 84 Weld 16,860 1,475.26 3,910 342.13 12,950 1,133.14 3.677 408 387 4,473 18,305 4,473 0.000000% 0.8750 3910 342.13 684 0.0875 05619486 OLANDER 1-14 J Weld 16.680 1,922 72 2,430 280.11 14,250 1,642.61 2,205 292 277 2,774 18.110 2.774 0.000000% 0.8750 2430 280.11 2093 0.115271 05619486 OLANDER 2-14 Weld 19.180 2,210.90 3,240 373.48 15.940 1,837.42 3.018 350 332 3,700 20,824 3,700, 0.000000% 0.8750 3240 373.48 2093 0.115271 00107490 ORR AMOCO 11-25 Weld 28,790 2,273.18 3.180 251.08 25.610 2,022.10 2,784 438 415 3.636 31.258 3,636 0.000000% 0.8750 3180 251.08 198 0.078957 00309794 ORR AMOCO 12-25 Weld 122.000 9,500.26 3,060 238.29 118,940 9.26197 2,589 467 443 3,499 132,457 3.499 0.000000% 0.8750 3060 238.29 145 0.077871 01970986 PEANUT#1 Weld 12.590 1,22888 2,970 289.90 9,620 938.98 2,597 408 387 3,393 13,669 3,393 0.000000% 0.8750 2970 289.90 418 0.097608 00170987 PEPPLER 16-35 Weld 17,620 1,350.00 3.080 235.98 14,540 1.11402 2.621 463 439 3.523 19.130 3,523 0.000000% 0.8750 3080 235.98 141 0.076618 00132988 PEPPLER 9-35 Weld 16,940 1,342.12 2,890 228.97 14,050 1,113.15 2.503 408 387 3,298 18,392 3,298 0.000000% 0.8750 2890 228.97 108 0.079228 04404986 PHELPS 8-18 Weld 7,530 572.64 3,160 240.31 4,370 332.33 2,704 463 439 3,606 8,175 3,606 0.000000% 0.8750 3160 240.31 218 0.076048 00255787 PINNACLE PARK 13-14 Weld 21,910 1,735.88 3,090 244.81 18,820 1,491.07 2,731 408 387 3,526 23,788 3,526 0.000000% 0.8750 3090 244.81 104 0.079228 04129986 PLATTE VALLEY 2-21 Weld 45090 3,915.62 3,780 328.26 41.310 3,587.36 3,522 408 387 4,318 48,955 4,318 0.000000% 0.8750 3780 328.26 738 0.08684 00118295 PLATTEVILLE 22-19 Weld 108.380 8,067.04 4,080 303.69 104,300 7,763.35 3.740 496 470 4,706 118.779 4,706 0.934180% 0.8750 4080 303.69 101 0.074433 00118395 PLATTEVILLE 23-19 Weld 88.010 6,550.84 4,080 303.69 83,930 6,247.15 3,740 496 470 4,706 96,455 4,706 0.934180% 0.8750 4080 303.69 101 0.074433 00173187 PRINTZ 2-31 Weld 12,000 1,050.00 3,080 269.50 8.920 780.50 2.730 408 387 3.525 13.029 3.525 0.000000% 0.8750 3080 269.50 684 0.0875 00152593 PSC14-13 Weld 90,420 7,609.48 3,870 325.69 86,550 7.283,79 3.509 467 443 4,419 98,170 4,419 0.000000% 0.8750 3870 325.69 1313 0.084157 00032895 PSC 34-34 Weld 51,120 3.977.54 3,950 307.34 47.170 3,670.20 3,543 496 470 4,510 55,502 4,510 0.000000% 0.8750 3950 307.34 125 0.077808 O0602096 PSC 43-34 Weld 147,100 11,445.56 4.150 322.90 142,950 11,122.66 3,781 496 470 4,747 159,709 4,747 0.000000% 0.8750 4150 322.90 125 0.077808 00169388 RAISLEY 1134#1 CM Weld 62.610 5,517.06 3.660 322.51 58,950 5.19455 3.383 408 387 4,179 67.977 4.179 0.000000% 0.8750 3660 322.51 627 0.088118 00062194 RAISLEY 21-34 Weld 32.310 2.847.10 3.570 314.58 28740 2.532.52 3.171 467 443 4,080 35.079 4.080 0.000000% 08750 3570 314.58 627 0.088118 00061794 RAISLEY 34-27 Weld 44.160 375]76 3.230 274.85 40.930 3.482.91 2,779 467 443 3,689 47.945 3.689 0.000000% 0.8750 3230 274.85 608 0.085094 Page 17 of 48 H5 RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00061994 RAISLEY 44-27 Weld 29670 2524.74 3040 258.69 26.630 2266.05 2567 467 443 3,477 32,213 3,477 0.000000% 0.8750 3040 258.69 608 0.085094 00162493 RASMUSSEN 44-29 Weld 34.860 2.92148 3,570 299.19 31290 262229 3.172 467 443 4.081 37,848 4,081 0.000000% 0.8750 3570 299.19 1303 0.083806 00050194 REED 42-34 Weld 90,890 7,714.20 8.370 710.40 82,520 7,003.80 8,656 467 443 9,566 98,681 9,566 0.000000% 0.8750 8370 710.40 696 0.084874 05620086 RINN EAST#1 Weld 21.610 1,805.50 2.540 212.21 19,070 1,593.29 2.332 292 277 2,901 23,462 2,901 0.000000% 0.8750 2540 212.21 1297 0.083549 06339186 RITCHEY GU#1 J Weld 26,610 1,794.92 2,790 188.19 23,820 1,606.73 2.560 321 304 3,185 28,891 3,185 0.000000% 0.8750 2790 188.19 305 0.067453 00171287 ROTH 11-19 Weld 2,720 210.70 2,580 199.86 140 10.84 2,824 408 387 3,620 2.953 2,953 0.000000% 0.8750 2580 199.86 220 0.077465 00116291 ROTH 12-30 Weld 18.860 1.577,56 3.010 251.77 15.850 1.325.79 2,645 408 387 3.441 20,477 3,441 0.000000% 0.8750 3010 25177 687 0.083646 00172787 ROTH 1-30 weld 13,260 1,027.18 2,900 224.65 10,360 802.53 2,513 408 387 3.309 14,397 3,309 0.000000% 0.8750 2900 224.65 220 0.077465, 00116291 ROTH 14-30 COD Weld 62670 5.242.10 3.640 304.47 59.030 4.937.63 3.059 562 533 4.155 68.042 4,155 0.000000% 0.8750 3640 30447 687 0.083646 00132888 ROTH 2-30 Weld 11,530 893.18 3,040 235.49 8,490 657.69 2,684 408 387 3,479 12,518 3,479 0.000000% 0.8750 3040 235.49 220 0.077465 04160486 ROTHE 1-24 Weld 13,510 1,173.21 3,360 291.78 10,150 881.43 2,933 463 439 3.836 14.668 3,836 0.000000% 0.8750 3360 291.78 732 0.08684 00160287 ROTHE 4-6 Weld 6,530 567.06 3.730 323.91 2,800 243.15 3,464 408 387 4,259 7090 4,259 0.000000% 0.8750 3730 323.91 738 0.08684 04160486 ROTHE 8-24 Weld 13,290 1,154.11 3,210 278.76 10.080 875.35 2,867 408 387 3,663 14,429 3,663 0.000000% 0.8750 3210 278.76 732 0.08684 00170887 RUMSEY 16-34 Weld 14,060 1,07]24 3,160 242.11 10,900 835.13 2,710 463 439 3.612 15,265 3,612 0.000000% 0.8750 3160 242.11 141 0.076618 04342786 RUPERT 1-9 Weld 42,600 3,392.74 3.810 303.44 38,790 3,089.30 3,620 379 360 4,359 46,251 4,359 0.000000% 0.8750 3810 303.44 140 0.079642 00016895 RUPERT 32-9 Weld 65,380 5,207.00 3,640 289.90 61740 4,917.10 3.195 496 470 4,162 70,984 4,162 0.000000% 0.8750 3640 289.90 140 0.079642 00046294 RUPERT#2 Weld 42.670 3398.32 3.480 277.15 39.190 3.121 17 3.071 467 443 3.980 46,327 3.980 0.000000% 0.8750 3480 277.15 140 0.079642 04846686 SALAMANCA FRANK GU#1 CD/NIO Weld 43,720 3,386.42 2.740 212.23 40,980 3,174.19 2,449 350 332 3,131 47,467 3,131 0.000000% 0.8750 2740 212.23 120 0.077457 03390986 SANDUSKY#1 Weld 23,500 2,127.32 3,510 317.74 19,990 1,809.58 3.269 379 360 4,008 25,514 4,008 0.000000% 0.8750 3510 317.74 693 0.090524 00117795 SARCHET 32-33 Weld 31.640 2.419.10 3.220 246.19 28.420 2.17291 2.587 562 533 3.682 34,352 3.682 0.000000% 0.8750 3220 246.19 118 0.076457 00089291 SARCHET UPRR 31-33#2 Weld 13.190 968.58 3,020 221.77 10,170 746.81 2,604 438 415 3,456 14,321 3,456 0.000000% 0.8750 3020 221.77 122 0.073433 00162687 SARCHET UPRR 41-23#1 Weld 8,380 624.96 3,020 225.22 5,360 399.74 2.660 408 387 3,455 9,098 3,455 0.000000% 0.8750 3020 225.22 129 0.074577 00089591 SARCHET UPRR 42-23#3 Weld 18,450 1,375.94, 4,550 339.33 13,900 1,036.61 4,342 438 415 5,195 20,031 5,195 0.000000% 0.8750 4550 339.33 129 0.074577 05144686 SARCHET#1 Weld 59,490 4.01278 2,820 190.22 56,670 3,822.56 2,651 292 277 3,219 64,589 3,219 0.000000% 0.8750 2820 190.22 305 0.067453 05144686 SARCHET#2 Weld 33.360 2.250 24 3.030 204 38 30.330 2.045.86 2724 379 360 3,463 36,219 3,463 0.000000% 0.8750 3030 204.38 305 0 067453 00128187 SAWDEY UNIT#1 Weld 73,090 6,125.38 2,610 218.73 70,480 5,906.65 2,184 408 387 2,980 79,355 2,980 0.000000% 0.8750 2610 218.73 1303 0.083806 00118495 SCHNEIDER 12-35 Weld 59,910 6,503.12 3,350 363.64 56,560 6,139.48 2,868 496 470 3,834 65,045 3,834 0.000000% 0.8750 3350 363.64 585 0.108548 00306094 SCHNEIDER 22-21 Weld 23,250 2,286.88 4,180 411.14 19,070 1,875.74 3,863 467 443 4,773 25,243 4,773 0.000000% 0.8750 4180 411.14 673 0.09836 00240393 SCHNEIDER#1 Weld 30,870 2,688.34 4,210 366.63 26,660 2,321.71 4,017 408 387 4,813 33,516 4.813 0.000000% 0.8750 4210 366.63 604 0.087086 00321094 SERAFINI B#1 Weld 4,150 347.78 2,550 213.71 1,600 134.07 2,286 321 304 2,912 4,506 2.912 0.000000% 0.8750 2550 213.71 1303 0.083806 00321094 SERAFINI B#2 Weld 8,200 687.21 2.770 232.14 5.430 455.07 2,539 321 304 3.164, 8,903 3,164 0.000000% 0.8750 2770 232.14 1303 0.083806 00321094 SERAFINI B#3 Weld 9,150 766.83 2,480 207.84 6,670 558.99 2,039 408 387 2,834 9,934 2,834 0.000000% 0.8750 2480 207.84 1303 0.083806 05621986 SERAFINI E MAX GU#1 Weld 19,630 1,645.12 2.030 170.13 17,600 1,474.99 1,755 292 277 2,323 21,313 2.323 0.000000% 0.8750 2030 170.13 1303 0.083806 00161787 SEYLER 2-14 Weld 13,850 1,160.86 2,880 241.39 10,970 919.47 2,496 408 387 3,292 15,037 3,292 0.000000% 0.8750 2880 241.39 743 0.083816 00114494 SEYLER 41-14 Weld 51,660 4,329.94 3,180 266.53 48.480 4.063.41 2,728 467, 443 3,637 56,088 3,637 0.000000% 0.8750 3180 266.53 743 0.083816 00162093 SHAW 12-29 Weld 33.890 2,840.18 3.790 317.62 30.100 2.522.56 3,425 467 443 4,334 36.795 4.334 0.000000% 0.8750 3790 317.62 1303 0.083806 05650586 SHAW MICHAEL S#1 Weld 18360 1,538.68 2.740 229.63 15,620 130505 2,512 321 304 3,137 19,934 3.137 0.000000% 0.8750 2740 229.63 1303 0.083806 00012395 SHELTON 31-2 Weed 28.070 2.195.86 3.420 267.54 24.650, 1928.32 2.999 467 443 3.908 30.476 3.908 0.000000% 08750 3420 267.54 102 6.078228 0011/6295 SHELTON 41-2 Weld 28.630 2.239.66 3.650 285.53 24.980 1.95413 3,202 496 470 4.168 31,084 4,168 0.000000% 0.8750 3650 285.53 102 0.078228 Page 18 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00016495 SHELTON 42-2 Weld 31.490 2,463.40 3,420 267.54 28,070 2,195.86 2,945 496 470 3,911 34,189 3.911 0.000000% 0.8750 3420 267.54 102 0.078228 01230886 SITZMAN 12-33 Weld 17,820 1,493.60 3,490 292.52 14,330 1,201.08 3,088 463 439 3.990 19,347 3,990 0.000000% 0.8750 3490 292.52 743 0.083816 00132688 SITZMAN 13-33 Weld 15,680 1,314.24 3,010 252.29 12.670 1.061.95 2,645 408 387 3,441 17.024 3441 0.000000% 0.8750 3010 252.29 743 0.083816 O0029995 SMITH 11-34 Weld 31,100 2,314.86 3,210 238.93 27,890 2.075.93 2.700 496 470 3,667 33.766 3,667 0.000000% 0.8750 3210 238.93 101 0.074433 00030595 SMITH 12-34 Weld 49,100 3,654.66 3,210 238.93 45,890 3,415.73 2,702 496 470 3,668 53.309 3.668 0.000000% 0.8]50 3210 238.93 101 0.074433 00096389 SPOMER 10-32 Weld 6,750 574.38 3,140 267.20 3,610 307.18 2,787 408 387 3,583 7,329 3,583 0.000000% 0.8750 3140 267.20 608 0.085094 0017558] SPOMER 2-32 Weld 10,850 923.26 2.930 249.33 7,920 673.93 2,555 408 387 3,350 11.780 3.350 0.000000% 0.8750 2930 249.33 608 0.085094 00175387 SPOMER 7-32 Weld 6,510 553.96 3.270 278.26 3,240 275.70 2,946 408 387 3.741 7,068 3,741 0.000000% 0.8750 3270 278.26 608 0.085094 00170487 SPOMER 9-32 Weld 52.260 4,447.02 3.330 283.36 48.930 4,163.66 3,005 408 387 3,801 56,739 3,801 0.000000% 0.8750 3330 283.36 608 0.085094 04856386 STATE-OLIN#1 Weld 49,060 3,658.74 2.480 184.95 46,580 3473.79 2,560 350 332 3.242 60,874 3,242 12.500000% 0.8750 2480 184.95 129 0.074577 04856386 STATE-OLIN#2 Weld 36,990 2,758.60 2,380 177.49 34.610 2,581.11 2431 350 332 3,113 45,898 3,113 12.500000% 0.8750 2380 177.49 129 0.074577 04856386 STATE-OLIN#3 Weld 41,420 3,088.98 3,040 22671 38,380 2,862.27 3.290 350 332 3.972 51.395 3.972 12500000% 0.8750 3040 22671 129 0074577 04856386 STATE-OLIN#4 Weld 49,380 3,682.62 2.660 198.37 46,720 3,484.25 2,791 350 332 3,473 61.272 3,473 12.500000% 0.8750 2660 198.37 129 0.074577 05729286 STATE OF COLORADO AL#1 Weld 44.790 4,04674 2.380 215.03 42410 3,83171 2,480 321 304 3.105 55.576 3,105 12.500000% 08750 2380 215.03 1383 0.090349 00077692 STATE OF COLORADO AL#2 Weld 78,960 7,055.00 3,370 301.11 75,590 6,753.89 3,600 408 387 4,396 97,975 4,396 12.500000% 0.8750 3370 301.11 1371 0.089349 01059196 STATE#1 Weld 15,370 1,58753 840 8676 14,530 1,500.77 591 263 249 1,102 19,071 1.102 12.500000% 0.8750 840 86.76 1309 0.103288 01059196 STATE#2 Weld 28,980 2,993.29 1,020 105.35 27,960 2,88794 819 263 249 1,330 35,959 1,330 12.500000% 0.8750 1020 105.35 1309 0.103288 04069986 STEWART#1 Weld 1]470 1,709.04 3,820 373/0 13,650 1,335.34 3,631 379 360 4,370 18,967 4,370 0.000000% 0.8750 3820 373]0 163 0.097827 04071386 STEWART#2 Weld 42,400 3,248.60 4,210 322.56 38,190 2,926.04 4,014 408 387 4,810 46,034 4,810 0.000000% 0.8750 4210 322.56 141 0.076618 06250286 STITT GU#1 Weld 22,600 1,580.56 3,610 252.47 18,990 1,328.09 3,497 321 304 4,122 24,537 4,122 0.000000% 0.8750 3610 252.47_ 820 0.069936 06250286 STITT GU#2 Weld 17,780 1,243.46 3,570 249.67 14,210 993.79 3,396 350 332 4,078 19,304 4,078 0.000000% 0.8750 3570 249.67 820 0.069936 00135788 STOUT 3-3 Weld 19,750 1,655.36 2,950 247.26 16,800 1,408.10 2,576 408 387 3,371 21443 3,371 0.000000% 0.8750 2950 247.26 743 0.083816 00030594 STROMBERGER 21-12 Weld 51,960 4,116.68 3,400 269.38 48,560 3,847.30 2,972 467 443 3,882 56,414 3,882 0.000000% 0.8750 3400 269.38 108 0.079228 00282294 STROMBERGER 31-12 Weld 53,920 4,271.98 3,150 249.57 50,770 4,022.41 2.786 467 443 3.696 60,050 3,696 2.512500% 0.8750 3150 249.57 108 0.079228 00030494 STROMBERGER 32-12 Weld 54.430 4,312.38 3,300 26145 51,130 4,050.93 2,954 467 443 3,864 60,624 3,864 2.521880% 0.8750 3300 261.45 108 0.079228 00056094 STROMBERGER 33-12 Weld 46,400 3,676.18 3,840 304.24 42,560 3,371.94 3,486 467 443 4,395 50,489 4,395 0.221875% 0.8750 3840 304.24 108 0.079228 00283094 STROMBERGER 34-12 Weld 39,280 3,128.34 3.040 242.11 36,240 2,886.23 2,578 467 443 3,488 42,742 3,488 0.221875% 0.8750, 3040 242.11 138 0079642 00076492 STROMBERGER 43-12#1 Weld 43,190, 3,421.86 3,190 252.74 40,000 3,169.12 2,738 467 443 3,647 46,892 3,647 0.000000% 0.8750 3190 252.74 108 0.079228 00154393 STROMBERGER 44-12 Weld 47,170 3,75672 3.210 255.65 43,960 3.501 07 2,765 467 443 3,674 51,213 3674 0.000000% 0.8750 3210 255.65 138 0.079642 00186093 STROMQUIST ARTHUR#2 Weld 86,110 11,068.14 3,070 394.60 83,040 10,673.54 2,716 408 387 3,512 93,491 3,512 0.000000% 0.8750 3070 394.60 1390 0.128535 00174887 STRONG 6-31 Weld 9,190 800.32 2,300 200.30 6,890 600.02 1,835 408 387 2,630 9,978 2,630 0.000000% 0.8750 2300 200.30 632 0.087086 04828686 STRONG#1 Weld 63,380 4,739.80 2,570 19219 60,810 4,547.61 2,436 263 249 2,948 68,941 2,948 0.185780% 0.8750 2570 192.19 112 0.074784 00116195 SUTTON 12-21 Weld 123.000 8,833.36 3,380 242.74 119,620 8,590.62 2,902 496 470 3,869 133.543 3,869 0.000000% 0.8750 3380 242.74 800 0.071816 00117995 TEMPLE 22-13 J Weld 53.960 4,541.12 6.330 53271 41630 4.00841 6,267 496 470 7,233 58,585 7,233 0000000% 0.8750 6330 532.71 1313 0.084157 00019094 THOMPSON 33-6 Weld 24,730 1,915.52 3.990 309.05 20740 1,606.47 3.678 467 443 4,588 27,030 4.588 0.667190% 0.8750 3990 309.05 120 0.077457 00019194 THOMPSON 43-6 Weld 50,880 3,941.02 3.110 240.89 47.770 3,700.13 2,673 467 443 3,582 55,612 3,582 0.667190% 0.8750 3110 240.89 120 0.07]457 00053494 THOMPSON 44E Weld 49,500 3.834 12 4.080 31502 45420 351810 3 878 467 443 4768 55 143 4788 2 539060% 08750 4080 31602 120 0.07/457 00021595 TUTTLE 31-7 Weld 97.330 7.244.56 3.800 282.85 93.530 6.96171 3.427 496 470 4.393 106.784 4193 1 041050% 0.8750 3800 282.85 101 0.074433 00021695 TUTTLE 32-7 Weld 37.060 2 758 48 3 180 236 70 33 880 2 52178 2.821 496 470 3.788 41.914 3.788 4.001560% 0.8750 3180 236.70 101 0 074433 Page 19 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) — Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00174292 UNI-UPRC 15-3 Weld 42,570 3,37274 3,080 244.02 39,490 3.12872 2.725 408 387 3,520 46.219 3,520 0.000000% 0.8750 3080 244.02 104 0.079228 01098396 UPRR 43 PAN AM B#1 SWD Weld 8.180 683.44 -5,470 45]01 13,650 1,14045 -6,835 298 282 -6256 8,881 -6,256 0.000000% 0.8750 -5470 457.01 1297 0.083549 01642486 VETTER#1 Weld 12.210 982.74 3,920 315.51 8,290 66723 3.739 379 360 4.478 13,257 4.478 0.000000% 0.8750 3920 315.51 557 0.080487 00171487 VETTING 1-26 Weld 21.800 1,850.26 3.120 264.81 18,680 1,585.45 2.774 408 387 3,569 23,669 3,569 0.000000% 0.8750 3120 264.81 696 0.084874 00282694 WARDELL 11-18 Weld 55,450 4,135.30 3.590 267.73 51.860 3,867.57 3.196 467 443 4,106 60.203 4,106 0.000000% 0.8750 3590 267.73 129 0.074577_ 00282594 WARDELL 12-18 Weld 75,590 5,637.28 4,540 338.58 71,050 5.298 70 4,281 467 443 5.190 82,069 5,190 0.000000% 0.8750 4540 338.58 129 0.074577 00094789 WARDELL UPRR 31-29#3 Weld 16,080 1,199,20 3,300 246.10 12,780 953.10 2.920 438 415 3,773 17,458 3.773 0.000000% 0.8750 3300 246.10 129 0.074577 00070892 WARDELL UPRR 31-7#1 Weld 14,440 1,074.82 3,200 238.19 11,240 836.63 2.862 408 387 3,657 15,678 3,657 0.000000% 0.8750 3200 238.19 101 0.074433 00152193 WARDELL UPRR 32-29 Weld 18.320 1,366.26 3,260 243.12 15,060 1.123.14 2.692 529 502 3.723 19,890 3.723 0.000000% 0.8750 3260 243.12 129 0.074577 00090691 WARDELL UPRR 32-7#5 Weld 40,390 3.01216 3,810 284.14 36,580 2,728.02 3.501 438 415 4,354 43,852 4,354 0.000000% 08750 3810 284.14 129 0.074577 00090791 WARDELL UPRR 41-19#6 Weld 31.980 2,384.98 3,380 252,07 28,600 2,132.91 3,005 438 415 3,857 34,721 3,857 0.000000% 0.8750 3380 25207 129 0.074577 00186393 WARDELL UPRR41-29 Weld 25,080 1,870.40 3,140 234.17 21,940 1,636.23 2,563 529 502 3,594 27,230 3.594 0.000000% 0.8750 3140 234.17 129 0.074577 00153693 WARDELL UPRR 41-7 Weld 47,680 3,555.84 4,040 301.29 43,640 3,254,55 3,709 467 443 4,618 51,767 4,618 0.000000% 08750 4040 301.29 129 0.074577 00106790 WARDELL UPRR 42-29#4 Weld 18,000 1,342.38 3,450 257.29 14,550 1,085.09 3,093 438 415 3.945 19,543 3,945 0.000000% 0.8750 3450 257.29 129 0.074577 00039587 WARDELL UPRR 42-7#2 Weld 19.160 1,428.90 3,560 265.49 15,600 1,163.41 3,271 408 387 4,067 20,802 4,067 0.000000% 0.8750 3560 26549 129 0.074577 00601696 WARDLAW 33-28 Weld 78,550 6,583.74 3,620 303.41 74,930 6.280.33 3.175 496 470 4.141 85,283 4,141 0.000000% 0.8750 3620 303.41 743 0.083816 O0092694 WCL 34-5 Weld 40400 3,095.36 3,400 260.50 37,000 2.834.86 2.979 467 443 3.888 43.863 3,888 0.000000% 0.8750 3400 260.50 139 0.076618 00006994 WCL 5-8 Weld 42,970 3,42222 3,350 266.80 39,620 3,155.42 2,915 467 443 3.824 46,653 3,824 0.000000% 0.8750 3350 26680 140 0.079642 00149893 WEBBER 114 Weld 27,320 2,033.50 3,220 239.67 24,100 1,793.83 2.828 438 415 3,681 29,662 3,681 0.000000% 0.8750 3220 239.67 101 0.074433 00149993 WEBBER 214 Weld 34,210 2,546.36 3.120 232.23 31,090 2.314.13 2,709 438 415 3,562 37.142 3,562 0.000000% 0.8750 3120 232.23 101 0.074433 00318895 WEBBER UPRR 31-3 Weld 35,410 2,635.68 3,410 253.82 32,000 2,381.86 2.989 467 443 3.899 38.445 3,899 0.000000% 0.6750 3410 25382 101 0.074433 00318295 WEBBER UPRR 32-3#2 Weld 38,000 2,828.46 3,720 276.89 34,280 2.551,57 3,456 408 387 4,252 41,257 4,252 0000000% 0.8750 3720 276.89 101 0.074433 00318395 WEBBER UPRR 41-3#1 Weld 21,380 1,591.38 3.180 236.70 18.200 1,354.68 2,839 408 387 3.635 23,213 3,635 0.000000% 0.8750 3180 23670 101 0.074433 00318495 WEBBER UPRR 42-3#3 Weld 28.670 2,134.00 3,090 230.00 25,580 1,904.00 2,680 438 415 3,533 31,127 3,533 0.000000% 0,8750 3090 23000 101 0.074433 00162287 WEBER 4 19 Weld 15.700 1,200 70 2,990 230.38 12,710 979,32 2,624 408 387 3,420 17,046 3.420 0.000000% 0.8750 2990 23038 207 0,077051 00159592 WEBSTER 10-33 Weld 16,760 1,404.76 3,120 261.51 13.640 1,143,25 2,771 408 387 3,567 18,197 3,567 0.000000% 0.8750 3120 261.51 743 0.083816 00213688 WEBSTER 11-32 Weld 18,170 1,522.94 3,010 252.29 15,160 1,270.65 2,646 408 387 3,441 19.727 3,441 0.000000% 0.8750 3010 252.29 743 0.083816 O0094289 WEBSTER 14-32 Weld 19,670 1,648.66 2,720 227.98 16,950 1.420.68 2,315 408 387 3,111 21,356 3.111 0.000000% 0.8750 2720 22]98 743 0.083816 00213488 WEBSTER 15-32 Weld 11,050 926.16 2.980 249,77 8,070 676.39 2,614 408 387 3.410 11,997 3.410 0.000000% 0.8750 2980 249.77 743 0.083816 00172387 WEBSTER 9-28 Weld 11,740 984.00 2.920 244.74 8,820 739.26 2,547 408 387 3,343 12,746 3,343 0.000000% 0.8750 2920 244,74 743 0.083816 00213588 WEBSTER 9-32 Weld 9.940 833.14 3.000 25145 6,940 581.69 2.628 408 387 3,423 10,792 3.423 0.000000% 0,8750 3000 251.45 743 0.083816 00115895 WEISS 13-34 Weld 25.200 1.962.34 3,660 285.01 21.540 1,677.33 3.219 496 470 4,185 27,360 4,185 0.000000% 0.8750 3660 285.01 524 0.077871 04648886 WEISS 1-34 Weld 13.090 1,024.76 3,230 252.86 9,860 771.90 3,006 350 332 3,688 14,212 3.688 0.000000% 0.8750 3230 25286 5001 0.078285 04841386 WENINGER UPRR 31-1#1 Weld 16,920 1,261.84 3,780 281.90 13.140 979.94 3.526 408 387 4.322 18,370 4.322 0.000000% 0.8750 3780 281.90 129 0.074577 00169588 WENINGER UPRR 42-1#2 Weld 10.370 773.36 7,220 53845 3,150 234.91 7,452 408 387 8,247 11,259 8,247 0.000000% 0.8750 7220 53845 129 0.074577 00030794 WERTZ 24-12 Weld 43,350 3,452.48 3,210 255.65 40.140 3,196.83 2,854 467 443 3,764 48,290 3.764 2.535940% 0.8750 3210 255.65 140 0079642 00153993 WETCO FARMS UPRR 43-3 Weld 47,410 3,756.20 3,300 261.45 44,110 3,494.75 2,859 467 443 3,769 51,474 3.769 0.000000% 3.8750 3300 261.45 104 0.079228 00137687 WILKINSON#1 Weld 25.730 2,202.60 3,220 275.64 22.510 1.92696 2.838 430 408 3.676 27.935 3.676 0.000000% 0.8750 3220 27564 671 0085604 00095194 YAMAGUCHI 33-27 J Weld 66,660 4,961.70 3,850 286.57 62,810 4,675.13 3,489 467 443 4.399 72,435 4.399 0.085030% 0.8750 3850 28657 106 0.074433 Page 20 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate-I Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate O1087197 BIG FOOT 14-12 Weld 162.410 12.867,42 4,760 377.13 157.650 12,490.29 4,478 496 470 5.444 176,331 5.444 0.000000% 0.8750 4760 377.13 108 0.079228 O1066797 BROSNAHAN 13-30 Weld 108,550 9,480.64 8,290 724.04 100.260 875660 8,503 496 470 9,469 117,854 9469 0.000000% 08750 8290 724.04 748 0.087339 O4482386 CHAMBERLIN 1 Weld 11,050 889.38 4.440 357.36 6,610 532.02 4,475 23 581 5,079 11,997 5.079 0.000000% 0.8750 4440 357.36 556 0.080487 O2630586 WASS 1 Weld 7.900 670.50 720 61.11 7,180 609.39 221 23 581 825 8.626 825 0.562500% 0.8750 720 61.11 696 0.084874 O0249887 ANDERSON-COOMBS 1 Weld 14,940 1,268.02 3,920 332.71 11,020 935.31 3.137 182 1.162 4.480 16.221 4480 0.000000% 0.8750 3920 332.71 645 0.084874 O2630686 WASS 2 Weld 10,540 894.58 3,520 298.76 7,020 595.82 2,693 182 1,162 4,036 11470 4,036 0.234380% 0.8750 3520 298.76 696 0.084874 O0161792 S.E G.L.1 Weld 17,590 1.53184 3.790 330.06 13,800 1.201/8 2,988 182 1,162 4,331 19,098 4.331 0.000000% 0.8750 3790 330.06 604 0.087086 O2752986 ISHIGURO 1 Weld 15,730 1.382.64 3,480 305.89 12,250 1,076,75 2,636 182 1,162 3,980 17.078 3,980 0.000000% 0.8750 3480 305.89 698 0.087898 O2630786 WASS 4 Weld 14.270 1.211.16 3,510 297.91 10.760 913.25 2,672 182 1.162 4.016 15.493 4,016 0.000000% 0.8750 3510 297.91 696 0.084874 O2631486 CURTIS 1 Weld 6,950 610.90 4,940 434.22 2,010 176.68 4,361 182 1,162 5205 7,623 5,705 1.020310% 0.8750 4940 434.22 698 0.087898 O0161892 S.E.G.L.2 Weld 15.530 1352.44 4.380 381.44 11.150 971.00 3,522 281 1,200 5,003 16,861 5,003 0.000000% 0.8750 4380 381.44 604 0.087086 O0184587 DUELL I Weld 27.260 2.754.24 4,030 407.18 23.230 2.347.06 3,122 281 1.200 4,604 29,597 4.604 0.000000% 0.8750 4030 407.18 663 0.101036 O0184687 DUELL 2 Weld 18,650 1,884.32 4,240 428.39 14,410 1,455.93 3,359 281 1,200 4,840 20,249 4,840 0.000000% 0.8750 4240 426.39 663 0.101036 O0182787 ANDERSON-COOMBS 4 Weld 36,800 3.108.12 4,030 340.37 32,770 2,767.75 3,126 281 1.200 4,608 39.954 4,608 0.000000% 0.8750 4030 340.37 639 0.08446 O0183587 ANDERSON-COOMBS 3 Weld 39,070 3,299.86 4,040 341.22 35,030 2,958.64 3.131 281 1200 4,613 42,419 4.613 0.000000% 0.8750 4040 341.22 639 0.08446 00183487 ANDERSON-COOMBS 2 Weld 31,120 2,628.40 4.190 353.89 26,930 2,274.51 3,303 281 1,200 4.785 33,787 4,785 0.000000% 0.8750 4190 353.89 639 0.08446 O0183287 ANDERSON-COOMBS 5 Weld 26.350 2,225.52 3,660 309.12 22,690 1,916.40 2,707 281 1,200 4,188 28,609 4,188 0.000000% 0.8750 3660 309.12 639 0.08446 O0184087 STATE-HUME 1 Weld 11710 1,029.28 3,830 336.65 7,880 692.63 3,186 281 1200 4,667 13,561 4.667 6.250000% 0.8750 3830 336.65 697 0.087898 O0184187 ISHIGURO 2 Weld 14,46D 1,271.00 3.380 297.10 11.080 973.90 2,641 281 1.20D 4,122 16,746 4,122 6.250000% 0.8750 3380 297.10 698 0.087898 O0182587 ISHIGURO 3 Weld 26.910 2.365.34 4,190 368.29 22.720 1,997.05 3,313 281 1,200 4.794 29,217 4.794 0.000000% 0.8750 4190 368.29 698 0.087898 00183387 ANDERSON-COOMBS6 Weld 28.600 2,415.56 3.430 289.70 25,170 2.12586 2.444 281 1,200 3.925 31,051 3,925 0.000000% 0.8750 3430 289.70 639 0.08446 O0182387 ISHIGURO 5 Weld 24,310 1,926.04 3,610 286.01 20,700 1,640.03 2,643 281 1,200 4,125 26.394 4,125 0.000000% 0.8750 3610 286.01 104 0.079228 O0182287 ISHIGURO 6 Weld 24.280 1,923.66 3.540 280.47 20,740 1,643.19 2,561 281 1,200 4.042 26,361 4,042 0.000000% 0.8750 3540 280.47 104 0.079228 O0127888 ISHIGURO 4 Weld 23,980 2.495.36 3,450 359.01 20,530 2,136.35 2.458 281 1,200 3,939 26,035 3,939 0.000000% 0.8750 3450 359.01 653 0.10406 O0182087 STATE-ELK 1 Weld 23,110 1,840.52 3,890 309.81 19,220 1,530.71 3,260 281 1,200 4,742 26,764 4,742 6.250000% 0.8750 3890 309.81 138 0.079642 O0184387 GUY SHABLE INC 1-4 Weld 36.020 2,987.82 4.450 369.12 31,5(0 2,b1t1./U 3,511 375 1,200 5,086 39,107 5,086 0.000000% 0.8750 4450 35912 550 0.082949 O0162092 HARD-FOUGHT 1-35 Weld 25.920 2,278.32 4,030 354.23 21.890 1,924.09 3,038 375 1200 4,614 28,214 4,614 0.255470% 0.8750 4030 354.23 697 0.087898 O0128888 CITY OF GREELEY 1-30 Weld 21,040 1,840.66 4,150 363.06 16.890 1,477.60 3,171 375 1,200 4,746 22.843 4,746 0.000000% 0.8750 4150 363.06 630 0.087484 O0129088 HAMBLEN 1-30 Weld 9.310 814.48 4,020 351.69 5,290 462.79 3.062 375 1.200 4,638 10,192 4,638 0.819750% 0.8750 4020 351.69 630 0.087484 O0128988 CITY OF GREELEY 2-30 Weld 28,100 2,45830 4,030 352.56 24.070 2.10524 3,028 375 1,200 4,604 30,509 4,604 0.000000% 0.8750 4030 352.56 630 0.087484 00154891 KNAUB-BETZ 1-14 Weld 13,820 1.104.56 4,100 327.69 9,720 776.87 3,107 375 1,200, 4,682 15,005 4.682 0.000000% 0.8750 4100 327.69 553 0.079925 O0312895 BOREN 1-32 Weld 17,060 1,481.50 4,350 377.75 12,710 1,103.75 3,391 375 1,200 4,966 18,522 4,966 0.000000% 08750 4350 377.75 738 0.08684 O0154791 KNAUB-BETZ 2-14 Weld 12,320 984.68 4,710 376.45 7,610 608.23 3,805 375 1.200 5.380 13.376 5,380 0.000000% 0.8750 4710 376.45 553 0.079925 O0349494 CHITTENDEN 1-32 Weld 33.250 2,873.66 4,800 414.84 28,450 2,458.82 3,915 375 1,200 5.490 36.100 5.490 0.000000% 0.8750 4800 414.84 716 0.086426 O0317295 SEELE 1-11 Weld 9,460 82714 4.490 392.58 4.970 434.56 3.559 375 1,200 5,135 10,271 5,135 0.000000% 0.8750 4490 392.58 504 0.087435 O0161592 HAYES 1-20 Weld 13,730 1,168.34 4,190 356.54 9,540 811.80 3.218 375 1.200 4,794 14,907 4,794 0.000000% 0.8750 4190 356.54 608 0.085094 00161692 _HAYES 2-20 Weld 20.940 1,781.86 4O30 342.93 16.910 1438.93 3.035 375 1.200 4.610 22,735 4.610 0.000000% 0.8750 4030 342.93 608 0.085094 00129188 ALVA SHABLE 1.4 Weld 59.940 4.971.96 4.820 399.81 55,120 4,572.15 3,934 375 1,200 5.510 65,078 5.510 0.000000% 0.8750 4820 399.81 550 3.082949 ,00128188 WASS 6 Weld 32,900 2.792.36 4.070 345.44 28,830 2,44692 3,091 375 1.200 4.666 35,852 4,666 0 367190% 08750 4070 345.44 696 0084874 Page 21 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.i Assessed Operating Investment investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00129288 PEPPLER 1-36 Weld 19.350 1482.56 4,400 337.12 14,950 1,145.44 3,452 375 1,200 5,027 21,009 5,027 0.000000% 0.8750 4400 337.12 139 0.076618 00129988 WASS 3% Weld 35,240 2,990.96 3,500 297.06 31,740 2,693.90 2,454 375 1.200 4.030 38,569 4.030 0.798440% 0.8750 3500 297.06 696 0.084874 00128788 SEELE 2-11 Weld 17,860 1,561.58 3,920 342.75 13.940 1,218.83 2,903 375 1.200 4,479 19.391 4,479 0.000000% 0.8750 3920 342.75 504 0.087435 00129388 PEPPLER 3-36 Weld 14,470 1,146.42 3,990 316.12 10.480 830.30 3,285 375 1,200 4,860 16,758 4,860 6.250000% 0.8750 3990 316.12 108 0.079228 00128088 NOE 1-30 Weld 29,670 2,595.66 3,620 316.69 26,050 2,279.97 2.559 375 1.200 4,135 32,213 4,135 0.000000% 0.8750 3620 316.69 630 0.087484 00129588 ALVA SHABLE 2-4 Weld 71,400 5,922.56 5,370 445.44 66,030 5,477.12 4,558 375 1.200 6,133 77,520 6.133 0.000000% 0.8750 5370 445.44 550 0082949 00129888 STENZEL 1-31 Weld 39,660 3,349.68 4,250 358.96 35,410 2.990,73 3,281 375 1,200 4,856 43.059 4,856 0.000000% 0.8750 4250 358.96 639 0.08446 00243493 ZABKA 1-15 Weld 14,440 1,162.24 3.680 296.19 10,760 866.05 2,625 375 1,200 4,200 15.673 4,200 0.000000% 0.8750 3680 296.19 556 0.080487 00158691 LUNDVALL 1-13 Weld 17,140 1.479,74 4.830 416.99 12,310, 1.062.75 3,944 375 1,200 5.519 18,609 5.519 0.000000% 0.8750 4830 416.99 400 0.086333 00129688 BARNETT 1-20 Weld 15,640 1,374.64 3.750 329.60 11,890 1.045.05 2,712 375 1,200 4,288 16,981 4,288 0.000000% 0.8750 3750 329.60 432 0.087892 00305594 SUSAN 1 Weld 35,570 2,848.20 3.880 310.68 31,690 2,537.52 2,766 469 1.200 4,435 38,619 4.435 0.000000% 0.8750 3880 310.68 520 0.080073 00128388 DARCY I Weld 11,560 93042 4.110 330.80 7,450 599.62 3,033 469 1.200 4,703 12,551 4.703 0.000000% 0.8750 4110 330.80 557 0.080487 00128488 HOVEY-WANKER 1-9 Weld 12,570 987.66 3,870 304.08 8700 683.58 2,757 469 1,200 4.426 13.647 4.426 0.000000% 0.8750 3870 304.08 502 0.078573 00128688 BERNHARDT 1-1 Weld 21,530 1,785.90 3,980 330.14 17,550 1,455.76 2,876 469 1,200 4,545 23,375 4.545 0.000000% 0.8750 3980 330.14 552 0.082949 00079389 HULL 1-1 Weld 10,440 86598 4,610 382.39 5,830 483.59 3,599 469 1,200 5,268 11,335 5,268 0.000000% 0.8750 4610 382.39 552 0.082949 00078789 SUN B SOIL 2-14 Weld 33,890 2,635.36 4,560 354.59 29,330 2.28077 3,543 469 1,200 5,212 36.795 5.212 0.000000% 0.8750 4560 354,59 142 0.077762 00078689 SUN&SOIL 1-14 Weld 50,030 3,890.44 4,740 368.59 45,290 3,521.85 3.749 469 1,200 5,418 54,318 5.418 0.000000% 0.8750 4740 368.59 142 0.077762 00305694 LINDSEY 1-35 Weld 19,470 1,567.08 4,190 337.24 15,280 1,229.84 3,114 469 1,200 4,783 21,139 4,783 0.000000% 0.8750 4190 337.24 556 0.080487 00078889 WHITNEY 1-22 Weld 23,660 1,874.54 4,100 324.83 19,560 1,549.71 3,016 469 1.200 4,686 25,688 4,686 0.000000% 0.8750 4100 324.83 104 0.079228 00079289 WASS 5 Weld 21,640 1.836.68 4,430 37599 17,210 1,460.69 3,395 469 1,200 5,064 23,495 5.064 0.000000% 0.8750 4430 375.99 696 0.084874 00055491 HSR6-13 Weld 21240 1,584.02 3,230 240.88 18,010 1,343.14 1,870 581 1,239 3.689 23.061 3,689 0.000000% 0.8750 3230 240.88 129 0.074577 00057591 HSR 12-24 Weld 25,140 1,874.86 3,680 274.44 21,460 1,600.42 2,392 581 1,239 4,211 27,295 4,211 0.000000% 0.8750 3680 274.44 129 0.074577 00055291 HSR 14-13 Weld 32,160 2,39540 3,940 293.83 28,220 2,104.57 2,686 581 1,239 4,505 34,917 4,505 0.000000% 0.8750 3940 293.83 129 0.074577 00054991 S HSR 10-13 Weld 35,720 2,663.90 3,920 292.34 31,800 2,371.56 2,655 581 1,239 4,475 38,782 4,475 0.000000% 0.8750 3920 292.34 129 0.074577 00059091 HSR-AVERY 10-27 Weld 20,770 1,588.02 3,840 293.59 16930 1,29443 2.573 581 1,239 4,393 22.550 4,393 0.000000% 0.8750 3840 293.59 118 0.076457 00057291 HSR-CARLSON 13-23 Weld 34,610 2,581.10 3,700 275.93 30,910 2,305.17 2,408 581 1.239 4,227 37,577 4,227 0.000000% 0.8750 3700 275.93 129 0.074577 00057391 HSR-MORGAN 11-23 Weld 37,070 2.76456 3.700 275.93 33.370 2,488.63 2.406 581 1239 4,226 40,247 4,226 0.000000% 0.8750 3700 275.93 129 0.074577 00059791 HSR-SMYTHE 14-27 Weld 21,780 1,665.24 3,850 294.36 17,930 1,370.88 2,582 581 1.239 4,401 23,647 4,401 0.000000% 0.8750 3850 294.36 118 0.076457 00057491 HSR-DUFFY 9-23 Weld 27,270 2,033.72 3.800 283.39 23470 1,750.33 2,527 581 1.239 4.346 29.607 4,346 0.000000% 0.8750 3800 283.39 129 0.074577 00059591 HSR-VANNEMAN 3-27 Weld 31,350 2,39692 3.690 282.13 27,660 2,114.79 2.398 581 1,239 4,217 34,037 4,217 0.000000% 0.8750 3690 282.13 118 0.076457 00056991 HSR-WEILAND 6-23 Weld 41460 3,091.96 4,170 310.99 37,290 2,780.97 2,951 581 1239 4,770 45,014 4,770 0.000000% 0.8750 4170 310.99 129 0.074577 00057791 HSR-SPRINCIN 11-24 Weld 13,790 1,028.42 4,450 331.87 9,340 696.55 3.174 677 1,239 5,090 14,972 5,090 0.000000% 0.8750 4450 331.87 129 0.074577 O0075890 HSR-CAMPBELL 12-26 Weld 26,970 2,011.34 3,790 282.65 23,180 1,728.69 2,415 677 1,239 4.331 29,282 4,331 0.000000% 0.8750 3790 282.65 129 0.074577 00057891 HSR-MORSE 6-24 Weld 23,030 1,717.50 4,000 298.31 19,030 1,419.19 2,653 677 1,239 4,569 25,004 4.569 0.000000% 0.8750 4000 298.31 129 0.074577 00058991 HSR-MILLS 15-26 Weld 26,930 2,008.36 4,010 299.05 22,920 1,709.31 2.665 677 1.239 4,581 29,238 4.581 0.000000% 0.8750 4010 299.05 129 0.074577 00055391 HSR-REDER 5-13 Weld 39.270 2,928.64 3,880 289.36 35.390 2.63928 2.517 677 1.239 4,433 42,636 4,433 0.000000% 0.8750 3880 289.36 129 0074577 00056391 HSR-LANDOR 10-22 Weld 28.090 2,094.86 4.320 322.17 23,770 1.77269 3.021 677 1.239 4.937 30.498 4.937 0.000000% 08750 4320 322.17 129 0074577 00058191 HSR-KRANDEL 9-25 Weld 11,030 822.58 3.930 293.09 7,100 529.49 2.572 677 1,239 4,488 11,975 4,488 0.000000% 0.8750 3930 293.09 129 0.074577 00056091 HSR-FRIEDMAN 6-21 Weld 16,540 1,233.50 4.060 302.78 12.480 930.72 x]28 677 1,239 4,643 17,958 4,643 0.000000% 0.8750 4060 302.78 129 0.074577 Page 22 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00077290 POST HOLE 1-34 Weld 20,500 1.632.66 4,200 334.50 16,300 1.298.16 2,883 677 1,239 4,799 22.257 4.799 0.000000% 0.8750 4200 334.50 140 0.079642 00076990 JUSTINE 1-10 Weld 43.860 3,474.94 4.250 336.72 39,610 3,138.22 2.939 677 1,239 4,855 47.619 4.855 0.000000% 0.8750 4250 33672 108 0.079228 00060491 HSR-HOSTEK 14-33 Weld 18810 1,381.28 3.870 284.19 14,940 1.097,09 2,508 677 1.239 4.424 20.422 4424 0.000000% 0.8750 3870 284.19 122 0.073433 00059191 HSR-JOYCE 11-27 Weld 24.900 1,903.78 3,940 301.24 20,960 1,602.54 2,582 677 1,239 4.498 27.034 4,498 0.000000% 0.8750 3940 301.24 118 0.076457 00054791 HSR-SCIARONI 15-13 Weld 27,730 2,068.02 3.960 295.32 23,770 1,77270 2.607 677 1 239 4523 30,107 4.523 0.000000% 0.8750 3960 295.32 129 0.074577 O0073890 HSR-LEONARD 12-22 Weld 19,750 1,472.90 3,960 295.32 15,790 1,177.58 2,608 677 1.239 4.524 21443 4.524 0.000000% 0.8750 3960 295.32 129 0.074577 01055496 HSR-TUTEUR 9-27 Weld 31,670 2,421.40 3,930 300.48 27,740 2,120.92 2.573 67] 1,239 4,489 34,385 4,489 0.000000% 0.8750 3930 300.48 118 0.076457 00059691 HSR-HEATH 5-27 Weld 41,380 3,163.80 3.770 288.24 37,610 2,875.56 2,398 677 1,239 4,314 44,927 4,314 0.000000% 0.8750 3770 288.24 118 0.076457 00056791 CHAIRMAN 1-22 Weld 29,620 2,208.98 3.960 295.32 25.660 1.913.66 2,608 677 1,239 4,524 32,159 4,524 0.000000% 0.8750 3960 295.32 129 0.074577 00056191 HSR-BIBEAULT4-22 Weld 41,910 3,125.52 4,110 306.51 37,800 2,819.01 2,783 677 1,239 4,699 45,502 4,699 0.000000% 0.8750 4110 306.51 129 0.074577 00076890 HSR-DEVLIN 6-35 Weld 34,940 2,565.74 4.020 295.20 30,920 2,270.54 2,681 677 1,239 4,597 37,935 4,597 0.000000% 0.8750 4020 295.20 122 0.073433 00055891 HSR-HERRICK 3-21 Weld 20,410 1.522.12 3.880 289.36 16.530 1,232.76 2,522 677 1.239 4,438 22,159 4,438 0.000000% 0.8750 3880 289.36 129 0.074577 00058691 HSR-STUBBEN 11-26 Weld 25,170 1,877.10 3,790 282.65 21,380 1,594.45 2,415 677 1,239 4,331 27,327 4,331 0.000000% 0.8750 3790 282.65 129 0.074577 00075690 HSR-MOSEMAN 5-25 Weld 29,560 2,204.50 4,440 331.12 25,120 1.873,38 3,164 677 1,239 5.080 32,094 5,080 0.000000% 0.8750 4440 331.12 129 0.074577 00060591 HSR-BORGEN 9-35 Weld 8,860 650.62 4,220, 309.89 4,640 34073 2,907 677 1,239 4.823 9,619 4,823 0000000% 0.8750 4220 309.89 122 0,073433 00076390 HSR-KINYON 4-34 Weld 20,910 1,535.48 4,090 300.34 16,820 1,235.14 2,758 677 1,239 4,674 22,702 4,674 0.000000% 08750 4090 300.34 122 0.073433 00076190 HSR-RENSHAW5-28 Weld 28,390 2,11724 3,830 285.63 24,560 1,83161 2,462 677 1,239 4,378 30,823 4,378 0.000000% 08750 3830 28563 129 0.07457] 00073790 HSR-DINKELSPIEL 3-22 Weld 13,140 979.94 4,160 310,24 8,980 669.70 2,836 677 1,239 4,752 14,266 4,752 0O0000D% 0.8750 4160 310.24 129 0.074577 00076590 HSR-ZELDIN 14-34 Weld 11,260 826.86 3,960 290.79 7,300 536.07 2,610 677 1,239 4,526 12,225 4,526 0.000000% 0.8750 3960 290,79 122 0073433 00060191 HSR-REESE 5-33 Weld 17,270 1,268.18 3,900 286.39 13,370 981.79 2,537, 677 1,239 4,453 18,750 4,453 0.000000% 0.8750 3900 286.39 122 0.073433 00073690 HSR-FAUST 13-21 Weld 31,420 2,343.20 3,890 290.10 27,530 2,053.10 2,526 677 1,239 4,442 34,113 4,442 0.000000% 0.8750 3890 290.10 129 0074577 00057191 HSR-CYPRES 15-23 Weld 32,460 2,420.76 3.890 290.10 28,570 2,130.66 2.527 677 1,239 4,443 35,242 4.443 0.000000% 0.8750 3890 290,10 129 0.074577 00078190 HSR-STEER 15-33 Weld 18,510 1,359.24 3,940 289.33 14,570 1,069.91 2,586 677 1,239 4,502 20,097 4,502 0.000000% 0.8750 3940 289.33 122 0.073433 00075790 HSR-BRADY 15-25 Weld 20.880 1,617.30 3,940 305.18 16,940 1,312.12 2,583 677 1,239 4,499 22,670 4,499 0.000000% 0.8750 3940 305.18 120 0077457 00073990 HSR-ANDERSON 11-22 Weld 29,120 2,171.68 4.170 310.99 24,950 1,86069 2,846 677 1,239 4,762 31,616 4.762 0.000000% 0.8750 4170 310.99 129 0.074577 00058791 HSR-TERRY 8-26 Weld 33,59u 2,505.04 3,810 284.14 29.780 2.220.90 2,438 677 1,239 4,354 36.469 4.354 0.00ovvv-% 0.8750 3810 26414 129 074577 O0077990 HSR-GIBBONS 3-35 Weld 17,93D 1,316.66 4,320 317.23 13,610 999.43 3,024 677 1,239 4,940 19,467 4,940 0.000000% 0.8750 4320 317.23 122 0.073433 00074190 HSR-WALSH 8-24 Weld 20,170 1,504.22 4,210 313.97 15,960 1,190.25 2,896 677 1,239 4,812 21,899 4,812 0.000000% 0,8750 4210 313.97 129 0.074577 00073590 HSR-SIMONS 14-21 Weld 36,210 2,700.44 3,890 290.10 32,320 2.410,34 2,526 677 1.239 4,442 39.314 4,442 0.000000% 0.8750 3890 290.10 129 0.074577 00058391 HSR-HEILESON 12-25 Weld 38,260 2,853.32 3,840 286.38 34.420 2.566.94 2,472 677 1,239 4,388 41,539 4,388 0.000000% 0.8750 3840 286.38 129 0074577 00055791 HSR-TANDOWSKY 8-21 Weld 21,210 1,581.78 3,940 293.83 17.270 1,287.95 2,590 677 1,239 4,506 23,028 4,506 0.000000% 0,8750 3940 293.83 129 0074577 00058091 HSR-TUCK 10-24 Weld 22.820 1,701.84 4,010 299.05 18.810 1,402,79 2.672 677 1,239 4,588 24,776 4.588 0.000000% 0.8750 4010 299.05 129 0074577 00349594 CHITTENDEN 2-32 Weld 11,720 1,017.76 3,950 343.02 7,770 674.74 2,598 677 1.239 4,514 12.725 4,514 0.000000% 0.8750 3950 343.02 738 0.08684 00307794 BOREN 2-32 Weld 42,760 3,713.28 3,810 330.86 38,950 3,38242 2,434 677 1,239 4,350 46,425 4,350 0.000000% 0.8750 3810 330.86 738 0.08684 00073390 SUN&SOIL 3-14 Weld 32,700 2,542.82 4.190 325.82 28,510 2,217.00 2.875 677 1,239 4,791 35,503 4,791 0.000000% 0.8750 4190 325.82 142 0.077762 00073490 SUN&SOIL 4-14 Weld 32,380 2,517.94 4.240 329.71 28.140 2.188.23 2.933 677 1,239 4.849_ 35.155 4,849 0.000000% 0,8750 4240 32971 142 0077762 00245393 HSR-KING 4-23 Weld 34.840 2.66376 4.270 326.47 30,570 2.33]29 2.968 677 1.239 4.884 37,826 4,884 0.000000% 0.8750 4270 32647 118 0.076457 00077490 PEPPLER 2-36 Weld 38.710 2,965.88 4,010 307.24 34,700 2,658.64 2,667 677 1,239 4,583 42,028 4,583 0,000000% 0,8750 4010 307.24 139 0.076618 ____ 00061291 KEITH 1 Weld 18,700 1,391.90 3,950 294.01 14,750, 1,097.89 2.603 677 1,239 4,519 20,303 4,519 0.000000% 0,8750 3950 294.01 106 0.074433 Page 23 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate.! Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate O0061091 HSR-FEDERAL 3-36 Weld 29,130 2.17242 3.410 254.31 25.720 1,918.11 2.533 677 1,239 4.449 36.145 4,449 12.500000% 0.8750 3410 254.31 129 0.074577 O0061191 HSR-FEDERAL 1-36 Weld 39,230 2,925.66 3.400 253.56 35.830 2,672.10 2.526 677 1,239 4,442 48,677 4,442 12.500000% 0.8750 3400 253.56 129 0.074577 O0060891 HSR-FEDERAL 13-36 Weld 29,700 2.214,94 4890 364.68 24,810 1.850.26 4,467 677 1.239 6,383 36.852 6,383 12.500000% 0.8750 4890 364.68 129 0.074577 O0060691 HSR-FEDERAL 15-36 Weld 24,610 1,835.34 3.740 278.92 20.870 1.55642 2,872 774 1,239 4,885 30,536 4,885 12.500000% 0.8750 3740 278.92 129 0.074577 O1054996 HSR-FARKAS9-14 weld 38,550 2,874.94 4,060 302.78 34,490 2,572.16 2.468 898 1.277 4,642 41,854 4.642 0.000000% 0.8750 4060 302.78 129 0.074577 O0156191 HSR-M.CHRISTINE 2-22 Weld 22,110 1,648.90 4,080 304.27 18,030 1,344.63 2,652 774 1239 4,664 24,005 4.664 0.000000% 0.8750 4080 304.27 129 0.074577 O0055591 HSR-GLASSER 1-21 Weld 34.710 2.588.56 3.980 296.82 30.730 2,291.74 2.539 774 1.239 4,552 37,685 4.552 0.000000% 0.8750 3980 296.82 129 0.074577 O0055191 HSR-SMITH 11-13 Weld 29,550 2.203.76 3.990 297.56 25,560 190620 2,553 774 1,239 4.565 32.083 4.565 0.000000% 0.8750 3990 297.56 129 0074577 O0059391 HSR-BARTH 6-27 Weld 18,630 142440 4,510 344.82 14.120 1.079.58 3,138 774 1,239 5.151 20.227 5,151 0.000000% 0.8750 4510 344.82 118 0.076457 O0055091 HSR-PFAELZER 12-13 Weld 18,610 1,387.88 4,060 302.78 14.550 1,085.10 2,630 774 1,239 4,643 20.205 4,643 0.000000% 0.8750 4060 302.78 129 0.074577 O0059291 HSR-RANDALL 13-27 Weld 24.520 1,874.72 4,020 307.36 20,500 1,567.36 2,582 774 1,239 4,595 26.622 4,595 0.000000% 0.8750 4020 307.36 118 0.076457 O0058491 HSR-RUSSELL3-26 Weld 28,970 2.160.50 3,860 287.87 25,110 1,872.63 2.404 774 1.239 4.417 31.453 4,417 0.000000% 0.8750 3860 287.87 129 0.074577 O0060091 HSR-JERRY D11-28 Weld 19,050 1,420.70 4.410 328.88 14,640 1,091.82 3.032 774 1,239 5,045 20,683 5.045 0.000000% 0.8750 4410 328.88 129 0.074577 O0058591 HSR-FOGELMAN 6-26 Weld 15,460 1,152.96 3,860 287.87 11,600 865.09 2.404 774 1,239 4,417 16,785 4,417 0.000000% 0.8750 3860 287.87 129 0.074577 O0059891 HSR-BALDWIN 12-28 Weld 22,630 1,68]68 4,170 310.99 18,460 1,376.69 2.758 774 1,239 4,771 24,570 4,771 0.000000% 0.8750 4170 310.99 129 0.074577 O0058291 HSR-SWENSSON 14-25 Weld 38.810 2,894.34 3,910 291.60 34.900 2,602.74 2,452 774 1,239 4,465 42,137 4,465 0.000000% O8750 3910 291.60 129 0.074577 O0060391 HSR-SILVERS 9-33 Weld 6,970 511,82 4,120 302.54 2,850 209.28 2,691 774 1,239 4,704 7.567 4,704 0.000000% 0.8750 4120 302.54 122 0.073433 O0058891 HSR-BLACKFORD 1-26 Weld 40,510 3,021.12 3,860 287.87 36,650 2,733.25 2.401 774 1.239 4419 43.982 4414 0.000000% 0.8750 3860 287.87 129 0.074577 O0061491 HSR-PICCONE 2-21 Weld 37,440 2,792.16 4,550 339.33 32.890 2,452.83 3.193 774 1.239 5,205 40.649 5,205 0.000000% 0.8750 4550 339.33 129 0.074577 O0057091 HSR-HIGGINS 14-23 Weld 30,790 2,296.22 3,870 288.61 26,920 2,007.61 2,406 774 1.239 4.419 33,429 4,419 0.000000% 0.8750 3870 288.61 129 0.074577 O0055991 HSR-CLAYTON 5-21 Weld 34.220 2,552.02 4,220 314.71 30,000 2.237.31 2,811 774 1,239 4,824 37,153 4,824 0.000000% 0.8750 4220 314.71 129 0.074577 O0056691 HSR-GIBSON 8-22 Weld 35,400 2,640.02 4,350 324.41 31,050 2,315.61 2,958 774 1,239 4,971 38,434 4.971 0.000000% 0.8750 4350 324.41 129 0.079577 O0057691 HSR-RICHMON 4-24 Weld 34,530 2,575.14 3,870 288.61 30,660 2,286.53 2,414 774 1,239 4,427 37,490 4,427 0.000000% 0.8750 3870 288.61 129 0.074577 O0054891 HSR-MILBY 16-13 Weld 27,740 2,068.76 4,010 299.05 23,730 1,769.71 2,569 774 1,239 4,582 30,118 4,582 0.000000% 0.8750 4010 299.05 129 0.074577 O0056491 HSR-KUERSTEINER 9-22 Weld 34.360 2,562.46 4,560 340.07 29,800 2,222.39 3,200 774 1,239 5,213 37,305 5.213 0.000000% 0.8750 4560 340.07 129 0.074577 O0056291 HSR-ARSCOTT 5-22 Weld 20,790 1,55046 4,110 306.51 16,680 1,243.95 2,689 774 1,239 4,702 22,572 4,702 0O00000% 0.8750 4110 306.51 129 0.074577 O0056591 HSR-HARTELL 16-22 Weld 36,240 2,702.68 4,280 319.19 31.960 2,383.49 2,876 774 1,239 4,889 39,346 4,889 0.000000% 0.8750 4280 319.19 129 0.074577 O0057991 HSR-ROSS 15-24 Weld 34,170 2,548.30 3.910 291.60 30,260 2,256.70 2.452 774 1,239 4,464 37.099 4.464 0.000000% 0.8750 3910 291.60 129 0.074577 O0130693 HSR-BRIL 3-13 Weld 31,540 2,352.16 4,720 352.00 26,820 2,000.16 2,636 1.140 1,621 5,398 34.243 5.398 0.000000% 0.8750 4720 352.00 129 0.074577 O0086692 HSR-BETZ 10-21 Weld 21,810 1,626.52 4.410 328.88 17.400 1.297,64 2,698 968 1,376 5,042 23,679 5,042 0.000000% 0.8750 4410 328.88 129 0.074577 O0086592 HSR-MEHLBERG9-21 Weld 24.900 1,856.96 4,140 308.75 20.760 1,548.21 2,610 876 1,246 4,731 27,034 4,731 0.000000% 0.8750 4140 308.75 129 0.074577 O0086892 HSR-WILSON 15-21 Weld 21.740 1,621.30 4,040 301.29 17.700 1,320.01 2,565 845, 1,202 4,613 23,603 4.613 0.000000% 0.8750 4040 301.29 129 0.074577 O0093092 HSR-ROZEMA 4-26 Weld 30,380 2,265.64 3.410 254.31 26.970 2.011.33 2,374 627 891 3,892 32,984 3,892 0.000000% 0.8750 3410 254.31 129 0.074577 O0089892 HSR-TURNER 3-25 Weld 45,710 3,408.92 3,940 293.83 41,770 3,115.09 3.134 565 803 4,502 49,628 4,502 0.000000% 0.8750 3940 293.83 129 0.074577 O0086992 HSR-WISEMAN 5-24 Weld 31.650 2,360.36 3,350 249.83 28,300 2.110.53 2.384 595 845 3,824 34,363 3,824 0.000000% 0.8750 3350 249.83 129 0.074577 O0087392 HSR-ESCOBOZA 1-24 Weld 18.010 1,343.14 3.790 282.65 14,220 1060.49 2,528 745 1,059 4,332 19.554 4.332 0.000000% 0.8750 3790 282.65 129 0.074577 O0069592 HSR-HERSH 9-6 Weld 78.560 5.858/6 4.600 343.05 73,960 5,51571 2,884 981 1,395 5.260, 85.294 5,260 0.000000% 0.8750 4600 343.05 129 0.074577 O0092192 HSR-J.T.10-6 Weld 34.540 2,575.88 4,500 335.60 30,040 2,240.28 2,614 1,042 1,482 5.138 37.501 5,138 0.000000% 0.8750 4500 335.60 129 0.074577 O0092092 HSR-A.R.C.15-6 Weld 54,280 4,048.04 4,380 326.65 49,900 3721.39 2.912 865 1,230 5.006 58.933 5.006 0.000000% 0.8750 4380 32665 129 0.04577 Page 24 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (ROB) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00091992 HSR-HAGAN I6-6 Weld 72.440 5,402.36 4,480 334.10 67,960 5,06826 2,846 938 1,334 5.117 78,649 5,117 0.000000% 08750 4480 334.10 129 0074577 O0069692 HSR-FREY 13-6 Weld 37,150 2,770.54 4.110 306.51 33,040 2,464.03 2.487 912 1.298 4,697 40,334 4,697 0.000000% 0.8750 4110 306.51 129 0.074577 00069792 HSR-UPSON 14-6 Weld 46,680 3,481.26 4,040 301.29 42,640 3,179.97 2,575 844 1.200 4,618 50.681 4,618 0.000000% 0.8750 4040 301.29 129 0.074577 00069892 HSR-JANA 113 Weld 44,190 3,295.56 4,370 325.90 39,820 2,96966 2,739 932 1,325 4.996 47,978 4,996 0.000000% 0.8750 4370 325.90 129 0.074577 O0092292 HSR-ANNA 12-6 Weld 44,040 3,284.38 4,720 352.00 39,320 2.93238 2,859 1,048 1.490 5,397 47,815 5,397 0.000000% 0.8750 4720 352.00 129 0.074577 00084092 HSR-REWANK4-7 Weld 36,950 2.755.62 4,410 328.88 32,540 2.42674 2,562 1.022 1.453 5,037 40,117 5,037 0.000000% 0.8750 4410 328.88 129 0.074577 00069992 HSR-NIALL 13-7 Weld 36260 2,704.16 4,290 319.94 31,970 2,384.22 2,603 949 1.350 4,902 39,368 4,902 0.000000% 0.8750 4290 319.94 129 0.074577 00083092 HSR-ROEDER 14-7 Weld 32,580 2.429.72 4,030 300.55 28.550 2.129.17 2.463 884 1,257 4.603 35,373 4,603 0.000000% 0.8750 4030 300.55 129 0.074577 00083292 HSR-COOK 11-7 Weld 41.840 3,120.30 4,370 325.90 37,470 2.79440 2,801 908 1,291 4,999 45,426 4.999 0.000000% 0.8750 4370 325.90 129 0.074577 00083992 HSR-HARLAND 3-7 Weld 35,600 2,654.94 4,140 308.75 31,460 2,346.19 2,619 874 1,243 4,737 38,651 4,737 0.000000% 0.8750 4140 308.75 129 0.074577 O0083692 HSR-OBERKFELL 6-7 Weld 460 34.30 440 32.81 20 1.49 661 880 1,252 2,794 499 499 0.000000% 0.8750 440 32.81 129 0.074577 00083792 HSR-GROMOLA 5-7 Weld 35,770 2,667.62 4.130 308.00 31,640 2,359.62 2,488 920 1.308 4,715 38.836 4,715 0.000000% 0.8750 4130 308.00 129 0.074577 O0090392 HSR-KATZEN 16-1 Weld 37.100 2,766.80 4,010 299.05 33,090 2,467.75 2.642 799 1,136 4,577 40,280 4.577 0.000000% 0.8750 4010 299.05 129 0.074577 00083392 HSR-PRINVALE 12-7 Weld 38,880 2,899.56 4,150 309.49 34,730 2,590.07 2,505 925 1.315 4,745 42,213 4,745 0.000000% 0.8750 4150 309.49 129 0.074577 00088892 HSR-BAYER 12-1 Weld 75.940 5.663.38 3,970 296.07 71,970 5,367.31 2.624 789 1.122 4,535 82.449 4,535 0.000000% 0.8750 3970 296.07 129 0.074577 O0090492 HSR-KLETTER 3-1 Weld 31.010 2,312.64 4.350 324.41 26,660 1.988.23 2.381 1.068 1,519 4.968 33,668 4,968 0.000000% 0.8750 4350 324.41 129 0.074577 00089392 HSR-SHAPIRO 11-1 Weld 38,560 2,875.68 3.810 284.14 34,750 2,591.54 2,458 781 1.111 4,351 41,865 4,351 0.000000% 0.8750 3810 284.14 129 0.074577 O0086392 HSR-STONEY 16-14 Weld 38,570 2,876.44 4,230 315.46 34,340 2,560.98 2.440 990 1,408 4,837 41,876 4,837 0.000000% 0.8750 4230 315.46 129 0.074577 00089692 HSR-BROWN 14-1 Weld 34,310 2,558.74 4,120 307.26 30,190 2,251.48 2,458 931 1,324 4,713 37,251 4,713 0.000000% 0.8750 4120 307.26 129 0.074577 O0090292 HSR-SMOLOWE 9-1 Weld 67,690 5,048.12 4,580 341.56 63,110 4,706.56 2,875 972 1,383 5.231 73,492 5,231 0.000000% 0.8750 4580 341.56 129 0.074577 00091492 HSR-HAYES 6-1 Weld 33,770 2,518.46 5.520 411.67 28,250 2,106.79 3.670 1,088 1,547 6.306 36,665 6,306 0.000000% 0.8750 5520 411.67 129 0.074577 00090192 HSR-EASLEY 15-1 Weld 29,100 2,170.20 4,750 354.24 24,350 1.815.96 2,768 1,098 1,561 5,427 31,594 5,427 0.000000% 0.8750 4750 354.24 129 0.074577 00085392 HSR-CUTLER 14-31 Weld 84,330 6,596.96 4.520 353.59 79.810 6,243.37 3,022 883 1.256 5.160 91,558 5.160 0.000000% 0.8750 4520 353.59 123 0.078228 00091792 HSR-BAINES 5-1 Weld 40,590 3,027.08 4.740 35349 35,850 2,673.59 3.233 903 1,284 5.421 44,069 5,421 0.000000% 0.8750 4740 353.49 129 0.074577 00084292 HSR-SIAMAS 6-31 Weld 89,580 7,007.66 4,530 354.37 85,050 6,653.29 2.875 951 1,352 5,178 97,258 5,178 0.000000% 0.8750 4530 354.37 102 0,078228 O0090592 HSR-IRWIN 4-1 Weld 36,800 2,744.44 4,020 299.80 32,780 2,444.64 2,438 888 1,263 4.590 39,954 4,590 0.000000% 0.8750 4020 299.80 129 0.074577 00084492 HSR-GARONER3-31 Weld 62.870 4,918.20 5.160 403.66 57,710 4,51454 3,413 1,024 1,456 5.892 68.259 5,892 0.000000% 0.8750 5160 403.66 102 0.078228 O0090092 HSR-JACKSON 10-1 Weld 32.630 2.433.44 4,430 330.38 28,200 2.103.06 2,447 1.080 1,536 5,063 35,427 5,063 0.000000% 0.8750 4430 330.38 129 0.074577 00089192 HSR-PHILLIPS 13-1 Weld 35,920 2,678.80 4,720 352.00 31,200 2.32680 3,060 964 1,371 5,396 38,999 5,396 0.000000% 0.8750 4720 352.00 129 0.074577 O0084392 HSR-BREST 4-31 Weld 48,050 3.758.86 3.850 301.18 44,200 3,457.68 2,509 783 1,113 4,405 52,169 4,405 0.000000% 0.8750 3850 301.18 102 0.078228 00092792 HSR-SALINSKY 16-36 Weld 50,610 3,856.68 4,030 307.10 46,580 3,549.58 2,704 1,058 1,505 5,268 62,798 5,268 12.500000% 0.8750 4030 307.10 100 0.076204 O0084792 HSR-TUDOR 11-31 Weld 87,190 6,820.70 4,220 330.12 82,970 6.490.58 2.748 856 1,217 4,821 94,663 4,821 0.000000% 0.8750 4220 330.12 123 0.078228 O0092592 HSR-EBAUGH 15-36 Weld 42.590 3,245.52 4,020 306.34 38.570 2,939.18 2,688 1,059 1,505 5,252 52,846 5,252 12.500000% 0.8750 4020 306.34 100 0.076204 00084192 HSR-MASSEY 5-31 Weld 40,060 3,133.82 3,950 309.00 36.110 2,824.82 2,525 820 1,166 4,510 43,494 4,510 0.000000% 0.8750 3950 309.00 102 0.078228 00092692 HSR-HEARST 10-36 Weld 38.380 2,924.70 4,060 309.39 34.320 2,615.31 3,243 853 1,213 5,308 47,623 5,308 12.500000% 0.8750 4060 309.39 100 0.076204 O0092392 HSR-HARMON 12-36 Weld 41,210 3,140.36 3.630 276.62 37,580 2,863.74 2,851 782 1,111 4,744 51,134 4,744 12.500000% 0.8750 3630 276.62 100 0.076204 O0084692 HSR-KIRKHAM 12-31 Weld 98,060 7,671 04 4.280 334.82 93,780 7,336.22 2,751 886 1.260 4.896 106,465 4,896 0 000000% 0.8750 4280 334.82 123 0.078228 00092492 HSR-CONLEY 11-36 Weld 30,430 2,318.88 3.600 274.33 26,830 2.04455 2.984 708 1,007 4.699 37.758 4.699 12.500000% 0.8750 3600 274.33 100 0.076204 O0085892 HSR-METZ 13-31 Weld 65.970 5,160.70 4,820 377.06 61,150 4,]83.64 3.247 935 1.330 5,512 ]1,625 5,512 0.000000% 0.8750 4820 377.06 123 0.078228 Page 25 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.I Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate_ 00131893 HSR-FISCHER6-23 Weld 75.790 6.036.06 5,300 422.10 70.490 5.613.96 3,159 1,199 1.705 6.062 82,286, 6,062 0.000000% 0.8750 5300 422.10 140 0.079642 00131793 HSR-BO1T3-23 Weld 69.670 5,548.66 4,900 390.25 64,770 5,158.41 3,267 965 1,373 5.605 75,642 5,605 0.000000% 0.8750 4900 390.25 140 0.079642 O0092892 HSR-CARROLL 9-36 Weld 56,500 4,305.52 3,570 272.05 52,930 4,033.47 2,688 815 1,159 4,663 70,106 4,663 12.500000% 0.8750 3570 272.05 100 0.076204 00094192 HSR-FRISBIE 16-29 Weld 18,560 1435.58 5,170 399.89 13,390 1,035.69 3,337 1.060 1.507 5.904 20.151 5.904 0.000000% 0.8750 5170 399.89 128 0.077348 00093192 HSR-ARCHIBALD4-20 Weld 35,220 2,790.42 4.300 340.68 30,920 2,449.74 2,439 1,022 1,454 4.915 38,239 4,915 0.000000% 0,8750 4300 340.68 108 0.079228 00094792 HSR-WRIGHT 9-29 Weld 16,600 1,283.98 4.740 366.63 11,860 917.35 3,195 917 1,305 5,418 18,023 5,418 0.000000% 0.8750 4740 366.63 128 0.077348 00093592 HSR-RAWITCH 5-20 Weld 34.030 2,696.12 4.630 366.83 29.400 2,329.29 2,420 1,185 1.686 5.291 36.947 5.291 0.000000% 0.8750 4630 366.83 108 0.079228 00093992 HSR-MUNDS 13-29 Weld 156.180 12,080.22 4.880 377.46 151,300 11,702.76 3.070 1,036 1473 5,579 169.567 5.579 0.000000% 0.8750 4880 377.46 128 0.077348 O0094492 HSR-RAY 3-29 Weld 39,880 3.084,64 4,430 342.65, 35.450 2.741.99 2.524 1,046 1.488 5,058 43,298 5,058 0.000000% 0.8750 4430 342.65 128 0.077348 O0097992 HSR-MURRAY 12-17 Weld 35.450 2,808.64 4,250 336.72 31.200 2471.92 2,414 1,007 1,432 4,852 38,489 4,852 0.000000% 0.8750 4250 336.72 108 0.079228 00094392 HSR-MAYA 4-29 Weld 144,270 11,159.00 4,730 365.86 139,540 10,793.14 2.892 1,038 1476 5,405 156.636 5.405 0.000000% 0.8750 4730 365.86 128 0.077348 O0095092 HSR-SALISBURY 6-29 Weld 35,790 2.76828 4.860 375.91 30.930 2.392.37 3.326 921 1.310 5,557 38,858 5,557 0.000000% 0.8750 4860 375.91 128 0.077348 00093792 HSR-CARTER 11-29 Weld 41,540 3,213.04 5,340 413.04 36,200 2,800.00 3.206 1,196 1,701 6,103 45,101 6,103 0.000000% 08750 5340 413.04 128 0.077348 01054596 HSR-EVANS 11-17 Weld 35.370 2,802.30 4.830 382.67 30,540 2.419.63 2,495 1249 1777 5,521 38402 5.521 0.000000% 0.8750 4830 382.67 108 0.079228 O0094692 HSR-CROUSE 5-29 Weld 115,140 8,905.84 5,190 401.44 109,950 8,504.40 3,660 937 1,333 5,930 125.009 5.930 0.000000% 0.8750 5190 401.44 128 0.077348 00131293 HSR-MNOOKIN 4-17 Weld 48.920 3,748.16 4.190 321.03 44,730 3,427.13 2,590 906 1,288 4,784 53.113 4,784 0.000000% 0.8750 4190 321.03 139 0.076618 00132093 HSR-FROELICH 12-29 Weld 152,660 11,807.94 5,680 439.34 146,980 11,36860 3,524 1225 1,742 6.492 165,745 6,492 0.000000% 0.8750 5680 43934 128 0.077348 00130893 HSR-SCARPULLA 3-17 Weld 50,940 3,902.92 4,410 337.89 46.530 3,565.03 2,447 1,072 1,524 5,043 55,306 5.043 0.000000% 0.8750 4410 337.89 139 0.076618 00137093 HSR-TEAGLE 10-29 Weld 45,750 3,538.68 5.350 413.81 40.400 3,124.87 2,520 1,483 2,108 6,111 49,671 6,111 0.000000% 0.8750 5350 413.81 128 0.077348 00131693 HSR-PECK6-20 Weld 145,440 11,522.92 4,520 358.11 140,920 11,164.81 2.722 1,010 1,436 5,168 157,906 5,168 0.000000% 0.8750 4520 358.11 108 0.079228 00137693 HSR-DICKERSON 14-29 Weld 45,260 3,500.78 4,200 324.86 41,060 3,175.92 2,677 879 1.250 4,806 49,139 4,806 0.000000% 0.8750 4200 324.86 128 0.077348 00138193 HSR-SCHREIBER 1-30 Weld 32.010 2,439.30 4,500 342.92 27,510 2,096.38 2,394 1,135 1,613 5.142 34,754 5,142 0.000000% 0.8750 4500 342.92 105 0.076204 00131393 HSR-KRISTAL 3-20 Weld 39,390 3,120.80 4,590 363.66 34,800 2,757.14 2,490 1,139 1,620 5.250 42,766 5,250 0.000000% 0.8750 4590 363.66 108 0.079228 00142493 HSR-VASSER8-30 Weld 66,340 5,055.38 5,030, 383.31 61,310 4.672.07 3,222 1,043 1,483 5.748 72,026 5,748 0.000000% 0.8750 5030 383.31 105 0.076204 00131993 HSR-ABRAMSON 5-23 Weld 86,310 6,873.90 4,890 389.45 81,420 6,484.45 2.836 1.206 1,544 5.587 93.708 5,587 0.000000% 0.8750 4890 389.45 140 0.079642 00155193 HSR-STEIN 15-23 Weld 112,170 8,887.00 5,030 398.52 107,140 8,488.48 3,764 871 1,114 5,749 121,785 5,749 0.000000% 0.8750 5030 398.52 108 0.079228 00147993 HSR-LAYNG 4-23 Weld 57,390 4,570.66 4,890 389.45 52,500 4,181.21 3,187 1,052 1.347 5,587 62.309 5.587 0.000000% 0.8750 4890 389.45 140 0.079642 00155093 HSR-VICKI 1O-23 Weld 43.220 3,424.24 4,520 358.11 38.700 3,066.13 2,640 1,106 1415 5,161 46,925 5,161 0.000000% 0.8750 4520 358.11 108 0.079228 00146093 HSR-MELCHIOR 13-17 Weld 35,010 2,773.78 4.380 347.02 30,630 2,426.76 2,555 1,077 1,378 5,011 38,011 5,011 0.000000% 0.8750 4380 347.02 108 0.079228 00155593 HSR-DECKER B-26 Weld 91,600 7,257.28 5.430 430.21 86.170 6,827.07 3,369 1,244 1,592 6,204 99,451 6,204 0.000000% 0.8750 5430 430.21 108 0.079228 00156093 HSR-DENYS 14-15 Weld 29,550 2,199.50 4,070 302.94 25,480 1,896.56 2,459 963 1,233 4,655 32,083 4,655 0.000000% 0.8750 4070 302.94 106 0.074433 00155693 HSR-KRIEG7-26 Weld 47.820 3,78868 5,190 411.19 42,630 3,377.49 3,293 1,156 1480 5,930 51.919 5.930 0.000000% 0.8750 5190 411.19 108 0.079228 00155993 HSR-NELLIS 11-15 Weld 30.140 2,243.42 4,730 352.07 25,410 1.891.35 2.562 1,247 1,595 5,404 32,723 5.404 0.000000% 0.8750 4730 352.07 106 0.074433 00155393 HSR-AUSTIN 16-26 Weld 62,160 4,924.82 5,060 400.89 57,100 4,523.93 2,773 1,321 1.691 5.786 67,488 5,786, 0.000000% 0.8750 5060 400.89 108 0.079228 00138293 HSR-ACKER 1-36 Weld 77,190 6,115.60 4,370 346.23 72,820 5,769.37 2.827 1,264 1.617 5.708 95.779 5.708 12.500000% 0.8750 4370 346.23 104 0.079228 00153293 HSR-BLEVINS 15-17 Weld 24.540 1,854.66 4.160 314.40 20,380 1,540.26 2.477 999 1,279 4,755 26.643 4,755 0.000000% 0.8750 4160 314.40 130 0.075577 00155493 HSR-ELLIOT 15-26 Weld 57430 4.55006 4520 35811 52.910 4.191 95 2849 1.016 1.300 5.165 62.353 5.165 0000000% 0.8750 4520 35811 108 0.079228 00153593 HSR-CROUCH 10-17 Weld 26.180 1.95242 4.780 356.48 21.400 1.595.94 2403 1.341 1 717 5.461 28.424 5,461 0.000000% 08750 4780 35648 129 0074577 00141793 HSR-CORVI 2-36 Weld 40.360 3.19764 5.030 398.52 35.330 2.799.12 2622 1.730 2.214 6.566 50.079 6.566 12.500000% 0.8750 5030 39852 104 0079228 Page 26 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00154893 HSR-SILBERMAN 3-23 Weld 43,450 3,442.46 4,560 361.28 38,890 3,081.18 2,536 1,174 1,503 5,213 47,174 5,213 0.000000% 0.8750 4560 361.28 104 0.079228 00153193 HSR-BEALL 16-17 Weld 17,770 1,343.00 4,340 328.00 13,430 1,015.00 2,490 1,085 1,389 4,965 19.293 4,965 0.000000% 0.8750 4340 328.00 130 0.075577 00154993 HSR-RUZICANO 6-23 Weld 112,450 8,909.18 4,700 372.37 107.750 8.536.81 3,124 988 1,264 5,376 122.089 5,376 0.000000% 0.8750 4700 372.37 104 0.079228 00140693 HSR-YOUNG 8-36 Weld 76,100 6,029.26 3,890 308.20 72,210 5721.06 2.840 985 1,260 5,086 94.426 5.086 12.500000% 0.8750 3890 308.20 104 0.079228 00153093 HSR-BANGS9-17 Weld 30,760 2,324.74 4.470 337.83 26,290 1,986.91 2,925 957 1,225 5,108 33.397 5,108 0.000000% 0.8750 4470 337.83 130 0.075577 00147793 HSR-ROWE4-21 Weld 41,730 3,306.18 4,570 362.07 37,160 2,944.11 2.823 1,054 1,350 5,227 45,307 5,227 0.000000% 0.8750 4570 362.07 108 0.079228 00149693 HSR-SCHANZ 15-4 Weld 25.550 1.901.76 3.920 291.78 21.630 1.609.98 2419 903 1.155 4,476 27.740 4,476 0.000000% 0.8750 3920 291,78 101 0.074433 00147693 HSR-GULLICKSON 5-21 Weld 41,440 3,283.20 4,190 331.97 37,250 2,951.23 2.823 863 1.105 4.790 44,992 4,790 0.000000% 0.8750 4190 331.97 108 0.079228 00149393 HSR-THESING 9-4 Weld 32,980 2,454.80 4,070 302.94 28,910 2,151.86 2,593 904 1,158 4.655 35,807 4.655 0.000000% 0.8750 4070 302.94 101 0.074433 00147593 HSR-BRENLY6-21 Weld 41,990 3,326.78 4,020 318.50 37,970 3,008.28 2,433 949 1.215 4,597 45,589 4,597 0.000000% 0.8750 4020 318.50 108 0.079228 00149493 HSR-DUBACH 16-4 Weld 34,230 2,547.84 4,460 331.97 29,770 2,215.87 2,574 1,107 1,417 5.097 37,164 5,097 0.000000% 0.8750 4460 331.97 101 0.074433 00147893 HSR-RENICK3-21 Weid 47,210 "3.740.36 4,470 354.15 42,740 3,386.21 2,589 1,106 1.416 5,112 51,257 5,112 0.000000%, 0.8750 4470 354.15 108 0.079228 00141993 HSR-DAYLEY 13-36 Weld 31.250 2,381.38 3,530 269.00 27,720 2,112.38 2,451 947 1,212 4,611 38,776 4,611 12.500000% 0.8750 3530 269.00 100 0.076204 00146393 HSR-WILLENBORG 10-21 Weld 43,630 3,374.70 3.840 297.02 39,790 3,077.68 2,472 842 1,077 4,390 47,370 4,390 0.000000% 0.8750 3840 297.02 127 0.077348 00142293 HSR-SAWDY 14-36 Weld 29.290 2,232.02 4,060 309.39 25.230 1.92263 3,080 974 1,246 5,300 36,344 5,300 12.500000% 0.8750 4060 309.39 100 0.076204 00146193 HSR-SLOAN 15-21 Weld 27,530 2,129.40 4.120 318.67 23,410 1,810.73 2.616 916 1,172 4.704 29.890 4,704 0.000000% 0.8750 4120 318.67, 127 0.077348 00151193 HSR-HUNTER 12-11 Weld 37,640 2,807.08 4,710 351.26 32.930 2.45582 3.091 1.007 1.289 5.388 40,866 5.388 0.000000% 08750 4710 351.26 129 0.074577 00151093 HSR-KILDALL 13-11 Weld 41,280 3,078.54 4,570 340.82 36,710 2,737.72 2,619 1,144 1,465 5,228 44,818 5,228 0.000000% 0.8750 4570 340.82 129 0.074577 00319095 HSR-FAIRFAX 16-8 Weld 22,500 1,742.78 3.760 291.24 18,740 1,451.54 2.498 787 1,007 4,292 24.429 4.292 0.000000% 0.8750 3760 291.24 120 0.077457 00151793 HSR-THOMPSON 9-11 Weld 25,600 1,909.18 4,140 308.75 21,460 1,600.43 2,464 992 1.270 4,726 27,794 ,4726 0000000% 0.8750 4140 308.75 129 0074577 00319195 HSR-WILDER 15-8 Weld 27.930 2,163.38 4,560 353.20 23,370 1,810.18 2,378 1,243 1.591 5.212 30,329 5.212 0.000000% 0.8750 4560 353.20 120 0.077457 00150693 1158-RABIN 16-11 Weld 31,310 2,335.00 4.000 298.31 27,310 2,036.69 2,479 915 1,171 4,566 33,994 4,566 0.000000% 0.8750 4000 298.31 129 0.074577 00153493 HSR-VOLLMER 8-17 Weld 23,990 1789.10 4,190 312.48 19,800 1,476.62 2,482 1,010 1,293 4,785 26,046 4,785 0.000000% 0.8750 4190 312.48 129 0.074577 00151293 HSR-WALKER 11-11 Weld 40,270 3,003.22 4,220 314.71 36.050 2.688.51 2,615 968 1,239 4,822 43,722 4.822 0.000000% 0.8750 4220 314.71 129 0.074577 00/529993 HSR-SPITS 1 17 Weld 242300 4,190 312.48 28,300 2,110.52 2,423 1.039 1830 4792 35,275 4,792 0.000000% 0.8750 4190 312.48 129 0074577 00150793 HSR-ROSSEN 14-11 Weld 48,080 3,585.66 4,300 320.68 43,780 3,264.98 2,601 1,013 1,297 4,912 52,201 4,912 0.000000% 0.8750 4300 320.68 129 0.074577 00154793 HSR-BERNSTEIN 6-20 Weld 26,710 2,018.66 4,050 306.09 22,660 1,712.57 2,774 951 1,218 4,943 30,933 4,943 6.250000% 0.8750 4050 306.09 130 0.075577 00151893 HSR-TEACHER 10-14 Weld 31460 2,346.20 4,370 325.90 27,090 2,020.30 2,503 1.092 1.397 4.992 34,157 4,992 0.000000% 0.8750 4370 325.90 129 0.074577 00154593 HSR-ATHERTON 5-20 Weld 27,100 2,048.14 4,490 339.34 22,610 1,708.80 2.774 1,186 1,517 5,477 31,384 5477 6.250000% 0.8750 4490 339.34 130 0.075577 00151993 HSR-MERLO 15-14 Weld 88,230 6,579.92 4,070 303.53 84,160 6,276.39 2.344 1,010 1,293 4,646 95,793 4,646 0.000000% 0.8750 4070 303.53 129 0.074577 00154493 HSR-FITZPATRICK4-20 Weld 27,570 2,08366 4.940 373.35 22.630 1710.31 2,930 1,358 1,738 6,026 31,929 6,026 6.250000% 0.8750 4940 373.35 130 0.075577 00329595 HSR-RAND 11-14 Weld 24,850 1,853.24 4.120 307.26 20.730 1,545.98 2,396 1,013 1,297 4,706 26,980 4,706 0.000000% 0.8750 4120 307.26 129 0.074577 00153893 HSR-ERICSON 9-19 Weld 19,110 1,422.42 4,450 331.23 14,660 1,091.19 2,616 1,083 1,386 5,085 20.748 5,085 0.000000% 0.8750 4450 331.23 101 0074433 00329895 HSR-KOFLER 14-14 Weld 23,380 1743.62 4,270 318.44 19,110 1.425.18 2,382 1,094 1,400 4,875 25,384 4.875 0.000000% 0.8750 4270 318.44 129 0.074577 00329795 HSR-NELSON 13-14 Weld 26,840 2.001.64 4,440 331.12 22.400 1,670.52 2,933 937 1.200 5,070 29,141 5,070 0.000000% 0.8750 4440 331.12 129 0074577 00154093 HSR-FARRAR 16-19 Weld 20.630 1,535.56 3,990 296.99 16,640 1,238.57 2,462 922 1.181 4,565 22,398 4,565 0.000000% 0.8750 3990 296.99 101 0.074433 00329695 H58-ROTTIERS 12-14 Web 39,910 2,976.36 4,290 319.94 35,620 2,656.42 2.752 941 1,205 4,898 43,331 4,898 0 000000% 0.8750 4290 319.94 129 0.074577 00154293 HSR FINE 320 Weld 26,800 2,02546 3.970 300.04 22,830 1.72542 2,593 983 1.259 4,835 31.037 4.835 6.250000% 08750 3970 300.04 130 0.075577 00150593 HSR-MAYNE 2-10 Weld 40.320 3,006.94 5.480 408.68 34,840 2,598 26 3,663 1.140 1.459 6.263 43.776 6.263 0.000000% 0.8750 5480 408.68 129 0.074577 Page 27 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) -- Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Ron) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00144093 HSR-ALBERSTEIN 16-23 Weld 70,080 5.35810 4.590 350.94 65.490 5,007 16 2,977 993 1.271 5.241 76,087 5.241 0000000% 0.8750 4590 35094 118 0.076457 00150493 NSA-MILLER 7-10Weld 41,900 3,12478 5,110 381.09 36,790 2,743.69 3,454 1.044 1,336 5,835 45,491 5,835 0.000000% 0.8750 5110 381.09 129 0.074577 00144193 HSR-ASHLEY 15-23 Weld 67.950 5,195.26 4.860 371.58 63.090 4,82368 2.930 1,152 1.474 5.555 73.774 5.555 0000000% 0.8750 4860 371.58 118 0.076457 00152093 HSR-GUINAN 9-15 Weld 42,320 3,156.10 4,420 329.63 37,900 2,82647 2.506 1,117 1429 5,051 45,947 5.051 0.000000% 0.8750 4420 329.63 129 0.074577 00144493 HSR-BRUTSCHY4-24 Weld 73,040 5,71378 4,630 362.20 68,410 5,351.58 2,868 1,083 1,360 5,291 79,301 5,291 0.000000% 0.8750 4630 362.20 102 0.078228 00152393 HSR-WOLF 10-15 Weld 28,920 2,156.76 5,050 376.61 23,870 1,780.15 2,793 1,304 1,669 5,766 31,399 5,766 0.000000% 0.8750 5050 376,61 129 0.074577 00144693 C HSR-COHN 3-25 Weld 73,350 4.853,20 4,710 311.64 68,640 4.541.56 3,552 801 1,025 5,379 79,637 5,379 0.000000% 0,8750 4710 31164 332 0.066165 00148293 HSR-KENNEDY 14-2 Weld 36,080 2,69074 4,730 352.75, 31,350 2,337.99 3,292 928 1,187 5,407 39,173 5,407 0.000000% 0.8750 4730 352.75 129 0.074577 00144893 HSR-CROWE 6-25 Weld 17,940 1.187.00 4.270 282,52 13.670 904.48 3,284 701 897 4,881 19478 4.881 ,0000000% 0.8750 4270 282,52 332 0.066165 00149093 HSR-HENDERSON 11-2 Weld 31,540 2,352.16 4,470 333.36 27,070 2,018.80 2,806 1,010 1,293 5,109 34,243 5,109 0.000000% 0.8750 4470 333.36 129 0.074577 00143493 HSR-DEMEULES 9-22 Weld 38,090 2,912.24 4,030 308.12 34,060 2,604.12 2,434 952 1,218 4,604 41,355 4,604 0.000000% 0.8750 4030 308.12 118 0.076457 00148393 HSR-HORNING 12-2 Weld 121,540 9,064.08 5,070 378.11 116.470 6685,97 3,497 1,009 1,291 5,798 131,958 5798 0.000000% 0.8750 5070 378.1 129 0.074577 00143193 HSR-DODGE 10-22 Weld 68,820 5,26178 4,850 370.82 63,970 4.890.96 2,847 1.183 1,514 5,544 74,719 5,544 0.000000% 0.8750 4850 37082 118 0.076457 00148593 HSR-KELLER 13-2 Weld 33,610 2,506.54 4.280 319.19 29.330 2.187,35 2.519 1.039 1.330 4.888 36.491 4.888 0.000000% 0.8750 4280 319.19 129 0.074577 00148093 HSR-FROMHOLZ 4-2 Weld 31,570 2,35440 4,830 360.21 26.740 1,994.19 3,200 1.181 1,512 5,892 36.561 5,892 6.250000% 0.8750 4830 36021 129 0.074577 00155893 HSR-AVINS6-29 Weld 21,920 1,675.94 4,050 309.65 17,870 1,366.29 2,405 977 1,250 4,632 23,799 4,632 0.000000% 0.8750 4050 309.65 118 0.076457 00319295 HSR-BRODIE 9-8 Weld 137.770 10,671.26 4.810 372.57 132.960 10,298.69 3.344 946 1.211 5,501 149.579 5.501 0.000000% 0.8750 4810 372.57 120 0.077457 00148193 HSR-FREELAND 3-2 Weld 41,400 3,087.48 4,400 328.14 37,000 2,759.34 2,603 1,212 1,551 5,366 47,945 5,366 6.250000% 0.8750 4400 328.14 129 0.074577 O0072394 115R-GRASSHOPPER 9-23 Weld 105,390 8,057.80 3,880 296.65 101,510 7.761.15 2,737 743 951 4,431 114,423 4,431 0.000000% 0.8750 3880 296.65 118 0.076457 00155793 HSR-ARNOLD 3-29 Weld 32.760 2.504.74 4.360 333.35 28400 2.171.39 2.755 975 1.248 4.979 35.568 4,979 0.000000% 0.8750 4360 333.35 118 0076457 00149193 HSR-LOMAX 16-3 Weld 39.130 3,030.90 6.990 541.42 32,140 2,489.48 6.077 841 1,076 7,993 42.484 7,993 0.000000% 0.8750 6990 54142 121 0.077457 00156493 HSR-RAGA77110-11 Weld 150,320 11,210.42 4.730 352.75 145,590 10,857.67 2,993 1,059 1.356 5,408 163,205 5,408 0.000000% 0.8750 4730 352.75 129 0.074577 00158993 HSR-BARACH 8-16 Weld 30,670 2,293.62 3.990 298.39 26.680 1,995.23 2.917 1,004 1.286 5,207 38,056 5,207 12.500000% 0.8750 3990 298.39 112 0074784 00159093 HSR-ATKINSON 6-31 Weld 86.900 648074 5,620 419.12 81.280 6,061.62 3,093 1,460 1,869 6,422 94,349 6,422 0.000000% 0.8750 5620 419.12 129 0.074577 00150293 HSR-MONTOYA 1-10 Weld 41930 3.12702 4400 328.14 3]530 2,798.88 2.480 1,118 1,431 8029 45,524 5,029 0.000000% 08750 4400 32814 129 0.074577 00158893 HSR-BARR 1-16 Weld 29,780 2,227.06 4,080 305.12 25.700 1,921.94 2,515 1,235 1.580 5.329 36.952 5,329 12.500000% 0.8750 4080 305.12 112 0.074784 00155293 HSR-LONNY JOSEPH 9-24 Weld 88,150 6,573.96 4,620 344.55 83,530 6,229.41 3,032 988 1264 5.283 95.706 5,283 0.000000% 0.8750 4620 344.55 129 0074577 00158193 HSR-COOPER 12-10 Weld 54,420 4,058.48 5,500 410.17 48,920 3,648.31 2,464 1,674 2,143 6,281 59,085 6,281 0.000000% 0.8750 5500 410.17 129 0.074577 00145393 HSR-MULBERG 16-30 Weld 29,520 2,201.52 3.660 272.95 25,860 1,928.57 2.751 631 807 4.188 32,050 4,188 0.000000% 0.8750 3660 272.95 129 0.074577 00158593 HSR-CAHILL2-16 Weld 33.010 2,468.62 3,880 29016 29,130 2,17646 2,734 1,021 1,307 5.061 40,959 5,061 12.500000% 0.8750 3880 290.16 110 0.074784 00150393 HSR-ALBERTO 8-10 Weld 43.080 3,21278 3.980 29682 39,100 2,915.96 2.547 880 1.126 4,553 46,773 4,553 0.000000% 0.8750 3980 296,82 129 0.074577 00157293 HSR-BOB 16-35 Weld 109,410 8,143.72 4.680 348.35 104,730 7,795.37 2,711 1.156 1,479 5,346 118,788 5,346 0.000000% 0.8750 4680 348.35 101 0.074433 00158493 HSR-CANTWELL 7-16 Weld 24250 1,813.52 3,800 284.18 20,450 1,529.34 2,766 963 1,233 4,962 30,090 4,962 12.500000% 0.8750 3800 284.18 110 0.074784 00157993 HSR-BOYD 11-10 Weld 51,540 3,843.70 4,060 302.78 47,480 3,540.92 2,402 984 1,260 4,645 55,958 4,645 0.000000% 0.8750 4060 302.78 129 0.074577 00145993 HSR-TEST 16-31 Weld 47,310 3,528.24 4,250 316.95 43,060 3,211 29 2,960 832 1,065 4,856 51,365 4,856 0.000000% 0.8750 4250 316,95 129 0.074577 00158693 HSR-DANTZKER 10-16 Weld 19,600 146476 3,690 275.95 15.910 1,188.81 2.628 962 1,231 4,821 24,320 4,821 12.500000% 0.8750 3690 275.95 112 0.074784 00144993 HSR-EGGLER 14-29 Weld 54,030 4,029.40 4,940 368.41 49,090 3,660.99 3.230 1.061 1,358 5,649 58.66' 5,649 0.000000% 0.8750 4940 36841 129 0.074577 00158793 HSR-DAVENPORT 15-16 Weld 33.000 2.467.88 3.890 290.91 29.110 2.176.97 2.647 1.067 1,366 5079 40,947 5,079 12.500000% 0.8750 3890 290.91 112 3074784 00145793 HSR-CASTLEMAN 2-31 Weld 143,320 10,688 38 4,370 32590 138,950 10,362.48 2.774 976 4,249 4,998 155,605 4,998 0.000000% 0.8750 4370 325.90 129 0.074577 Page 28 of 48 H5 RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.I Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00145193 HSR-AUGUST 16-29 Weld 113,480 8,463.00 4,700 350.51 108,780 8.11249 2.939 1.067 1,366 5.372 123,207 5,372 0.000000% 0.8750 4700 350.51 129 0.074577 00156993 HSR-BANCROFT 15-35 Weld 59,380 4,419.84 5.040 375.14 54.340 4,044.70 3.240 1.107 1.417 5,764 64,470 5,764 0.000000% 0.8750 5040 375.14 101 0.074433 00156693 HSR-GRIFFITH 5-2 Weld 82,010 6,116.06 5.110 381.09 76,900 5,734.97 3510 1,102 1.411 6.024 91,912 6.024 3.125000% 0.8750 5110 381.09 129 0.074577 00156893 HSR-BACANSKAS 13-35 Weld 49.320 3,671.04 4,370 325.27 44.950 3,34577 2.392 1,140 1,459 4.990 53,547 4.990 0.000000% 0.8750 4370 325.27 101 0.074433 00158093 HSR-BRINTON 14-10 Weld 16,590 1,237.24 4,610 343.80 11,980 893.44 2,436 1,243 1,591 5,271 18,012 5.271 0.000000% 0.8750 4610 343.80 129 0.074577 00142993 HSR-DURYEA 16-22 Weld 150.600 11,514.42 4.580 350.17 146.020 11,164.25 2,717 1,103 1412 5,232 163,509 5,232 0.000000% 0.8750 4580 350.17 118 0.076457 00277794 HSR-BASSETT 5-18 Weld 46,440 3,908.26 5.850 492.32 40,590 3.41594 2,890 1,663 2.128 6.682 50.421 6,682 0.000000% 0.8750 5850 492.32 1313 0.084157 00157593 HSR-TRAIN 12-35 Weld 41,590 3,095.66 3,780 281.36 37,810 2.814.30 2.464 812 11,039 4,314 45.155 4,314 0.000000% 0.8750 3780 281.36 101 0.074433 00158293 HSR-CHADIMA4-14 Weld 50.070 3,828.20 4.280 327.24 45.790 3,500.96 2,431 1,077 1,379 4.886 54.362 4,886 0.000000% 0.8750 4280 327.24 118 0.076457 00149293 HSR-LOGAN 15-3 Weld 41770 3,235.38 12,450 964.34 29.320 2,271.04 11,819 1,056 1,352 14,227 45,350 14,227 0.000000% 0.8750 12450 964.34 121 0.077457 00157093 HSR-THOMAS 10-35 Weld 42,690 3,177.54 4.690 349.09 38.000 2,828.45 2.374 1.311 1,678 5,363 46,349 5.363 0.000000% 0.8750 4690 349.09 101 0.074433 00158393 HSR-BRANDEL 5-14 Weld 35.570 2,719.58 4.300 32877 31,270 2.390.81 2.522 1,051 1345 4,918 38,619 4,918 0.000000% 0.8750 4300 328.77 118 0.076457 00144393 HSR-EPSTEIN 5-24 Weld 84,120 6,580.54 5,880 459.98 78,240 6,120.56 2,812 1,717 2,197 6,726 91,330 6,726 0.000000% 0.8750 5880 459.98 102 0.078228 00159293 HSR-FRENCH 16-34 Weld 80,590 6,242.26 5,230 405.10 75,360 5,837.16 2,842 1,389 1,777 6,008 87,998 6.008 0.568182% 0.8750 5230 405.10 120 0.077457 00157893 HSR-CONOVER I5-10 weld 54.340 4,052.52 4,670 348.27 49.670 3.70425 2.422 1,280 1.639 5,341 58,998 5,341 0.000000% 0.8750 4670 348.27 129 0074577 00156193 HSR-EDDINGTON 9-3 Weld 116.530 9.02606 5,090 394.26 111.440 8.631.80 2.829 1,308 1,675 5.812 126,518 5.812 0.000000% 0.8750 5090 394.26 121 0.077457 00142893 HSR-GULICK 15-11 Weld 119,060 9.313.82 4,570 357.50 114,490 8,956.32 3,058 949 1,214 5,221 129,265 5,221 0.000000% 0.8750 4570 357.50 102 0.078228 00157693 HSR-BONN 16-10 Weld 19,630 1,463.94 4,750 354.24 14.880 1,109.70 2.465 1,301 1,665 5.431 21,313 5,431 0.000000% 0.8750 4750 354.24 129 0.074577 00159393 HSR-FRUMAN6-23 Weld 118,540 9,063.22 4.440 33947 114,100 8,723.75 3,094 869 1.113 5,076 128.701 5,076 0.000000% 0.8750 4440 33947 118 0.076457 00277994 HSR-PERCONTE 16-23 Weld 125.790 9,743.32 6.870 532.13 118,920 9,211.19 2,805 2,220 2,841 7,866 136,828 7.866 0.187422% 0.8750 6870 532.13 120 0.077457 00156393 HSR-CAFFERATA 9-10 Weld 30,950 2,308.16 4,040 301.29 26,910 2.006.87 2,484 935 1.197 4,616 33,603 4,616 0.000000% 0.8750 4040 301.29 129 0.074577 00156593 HSR-NICHOLS 15-32 Weld 215,090 16,421.70 5,540 422.97 209,550 15,998.73 3,937 1,052 1,347 6,336 233,526 6,336 0.000000% 0.8750 5540 422.97 126 0.076348 00157793 HSR-CRONHOLM 10-10 Weld 47.450 3.538.63 4.230 315.46 43,220 3,223.17 2,385 1,075 1,375 4,835 51,517 4.835 0.000000% 0.8750 4230 315.46 129 0.074577 00279194 HSR-LEVINE 9-36 Weld 56,640 4,387.16 4.070 315.25 52,570 4,071.91 2,689 1,154 1,477 5,321 70,280 5,321 12.500000% 0.8750 4070 315.25 120 0.077457 00283095 HSR-KEMPER 10-34 Weld 83,350 6,603.66 6,170 488.84 77,180 6,114.82 2,873 1,839 2,347 7,055 90,494 7,055 0.000000% 0.8750 6170 488.84 104 0.079228 00279394 HSR-HAAS 5-15 Weld 142,360 11,136.54 4,350 340.29 138,010 10,796.25 2,832 937 1,199 4.968 154,562 4,968 0.utivutiO,I, 0.8750 4350 340.29 102 0.078226 00131493 HSR-DOUGERY 1-20 Weld 46,110 3.653.20 4,370 346.23 41,740 3,306.97 2,442 1,120 1.434 4,996 50,062 4,996 0.000000% 0.8750 4370 346.23 108 0.079228 00159993 HSR-BIG GEORGE 14-35 Weld 100,670 7.493.18 5,560 413.85 95,110 7,079.33 2,791 1,562 1,999 6,352 109,299 6,352 0.000000% 0.8750 5560 413.85 101 0.074433 00277894 HSR-COWAN 5-35 Weld 75,470 5,845.68 6.200 480.23 69,270 5,36545 3,112 1,743 2.231 7.085 81,939 7,085 0.000000% 0.8750 6200 480.23 120 0.077457 00131593 HSR-CHARLTON 8-20 Weld 67,150 5,320.16 3,820 302.65 63,330 5,017.51 2.462 836 1,070 4,368 72,906 4,368 0.000000% 0.8750 3820 302.65 108 0.079228 00159193 HSR-MONTALI 14-33 Weld 185,850 14,724.52 6,800 538.75 179,050 14,185,77 4.112 1.605 2,054 7,772 201,780 7.772 0.000000% 0.8750 6800 538.75 104 0.079228 00278194 HSR-REGALIA5-26 Weld 141,940 10,852.30 4,800 366.99 137,140 10,485.31 2,855 1,153 1476 5,484 154,106 5,484 0.000000% 0.8750 4800 366.99 118 0.076457 00159593 HSR-VANDLEN 2-20 Weld 43.600 3.454.34 4.540 359.70 39,060 3.094.64 2,488 1,183 1,514 5.185 47,337 5.185 0.000000% 0.8750 4540 35970 108 0.079228 00159893 HSR-BERMAN2-35 Weld 57.010 4,415.82 5,960 461.64 51,050 3,954.18 3,199 1,585 2,028 6,811 61,897 6811 0.000000% 0.8750 5960 461.64 120 0.077457 00280994 HSR-LEBERMAN 16-1 Weld 122,090 9,087.52 5.490 408.64 116.600 8.678.88 3,304 1,305 1,670 6.278 132,555 6,278 0.000000% 0.8750 5490 408.64 106 0.074433 00278294 HSR-THORSON 9-27 Weld 137.290 10,49678 6,830 522.20 130,460 9,974.58 3,827 1,743 2.231 7.801 149,058 7,801 0.000000% 0.8750 6830 522.20 118 0.076457 00159493 HSR-HINDE 7-20 Weld 52.000 4.11986 4.330 34306 47,670 3776.80 2.414 1.109 1420 4.943 56.457 4.943 0.000000% 08750 4330 343.06 108 0.079228 00280894 HSR-OORSA 3-1 Weld 114,360 8,857.98 4,]90 371.02 109.5]0 8,486.96 2,902 1.127 1.443 5.473 124,162 5,473 0.000000% 0.8750 4790 371.02 121 0.0]]457 00279894 HSR-BARTKO 6-35 Weld 32,780 2,539.04 4,640 359.40 28,140 2,179.64 2,562 1204 1.541 5,306 35.590 5,306 0.000000% 0.8750 4640 359.40 120 0-077457 Page 29 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Ron) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00279294 HSR-SCHWAB 2-30 Weld 37.150 2.830.98 5,080 387.12 32,070 2,443.86 3.141 1,170 1.498 5.809 40,334 5,809 0.000000% 0.8750 5080 387.12 105 0.076204 00278094 HSR-HOUSE6-20 Weld 70,450 5,253.94 5.620 419.12 64,830 4,834.82 3,197 1,416 1,812 6.425 76,489 6.425 0.000000% 0.8750 5620 419.12 129 0.074577 00280094 HSR-POPE 11-35 Weld 7]420 5,996.72 6,170 477.91 71,250 5,518.81 2.871 1,835 2.349 7,056 84,056 7,056 0.000000% 0.8750 6170 477.91 120 0.077457 00278394 HSR-GREGORY 10-30 Weld 14460 1,078.38 3.980 296.82 10.480 781.56 1,763 1.224 1,566 4,553 15,699 4,553 0,000000% 0.8750 3980 296.82 129 0.074577 00279794 HSR-BLAIR3-35 Weld 31.960 2,475.52 4,370 338.49 27,590 2,137.03 2,625 1,041 1,332 4,998 34,699 4,998 0000000% 0.8750 4370 338.49 120 0.077457 00278894 HSR-BATES 16-7 Weld 135.760 10,105.02 4,850 361.00 130.910 9,744.02 3,134 1.081 1.384 5,600 148,805 5,600 0.946596% 0.8750 4850 361.00 101 0.074433 00278594 HSR-MORROW 7-30 Weld 44,430 3,385.74 5,120 390.16 39,310 2.995.58 3,141 1,191 1,524 5,856 48,238 5,856 0.000000% 0.8750 5120 390.16 105 0.076204 00279594 HSR-MCGREG0R 6-28 Weld 143.070 10.699.34 4,850 362.70 138,220 10,336.64 3,066 1,088 1.392 5,546 155.333 5.546 0.000000% 0.8750 4850 362.70 112 0.074784 00279694 HSR-BARRON 15-35 Weld 32,180 2,492.56 4,400 340.81 27,780 2,151.75 2,481 1,117 1.430 5.029 34,938 5.029 0.000000% 0.8750 4400 340.81 120 0.077457 O0280794 HSR-SCHMID 2-34 Weld 41.530 3,091.20 6,290 468.18 35,240 2.623.02 3,673 1,541 1,972 7.186 45,090 7,186 0.000000% 0.8750 6290 468.18 101 0.074433 O0280294 HSR-LEWIS 1-26 Weld 73,010 5.784.44 5.000 396.14 68.010 5.388,30 3.008 1.185 1.517 5.710 79.268 5,710 0.000000% 0.8750 5000 39614 108 0.079228 00278794 HSR-CRAWFORD9-5 Weld 87.490 6,776.72 4.680 362.50 82.810 6,414.22 2.761 1,149 1,471 5,381 95.511 5,381 0.546875% 0.8750 4680 362.50 121 0.077457 00280494 HSR-BURMESTER7-34 Weld 51.560 3,837.76 6,250 465.21 45,310 3,372.55 3,66/ 1,527 1,954 7,148 55,979 7,148 0.000000% 0.8750 6250 465.21 101 0.074433 00279994 HSR-DAVIS 16-35 Weld 38,050 2.94124 4.940 382.64 33.110 2,564.60 2,762 1.266 1,621 5,650 41,311 5,650 0.000000% 0.8750 4940 382.64 120 0.077457 00280194 HSR-MINION 10-33 Weld 163,400 12,945.86 6,340 502.31 157,060 12,443.55 2.997 1,865 2.387 7.249 177,406 7,249 0.000000% 0.8750 6340 502.31 104 0.079228 00280694 HSR-CARRICO 3-34 Weld 43.490 3,237.10 4,690 349.09 38,800 2,888.01 2,732 1,152 1,474 5,357 47,218 5,357 0.000000% 0.8750 4690 349.09 106 0,074433 00278494 HSR-TAYLOR 16-21 Weld 77,640 6.005.30 4,160 321.77 73,480 5,683.53 2,789 864 1,105 4,758 84,295 4,758 0.000000% 0.8750 4160 321.77 127 0.077348 00149593 HSR-BUTTERY 10-4 Weld 81,340 6,054.38 4,940 367.70 76,400 5,686.68 3.322 1.017 1,302 5.642 88,312 5,642 0,000000% 0.8750 4940 367.70 101 0.074433 00281394 HSR-OLSON 2-2 Weld 41,910 3.24622 4.450 344.68 37,460 2,901.54 3,023 903 1,156 5.083 45,502 5.083 0.000000% 0.8750 4450 344.68 120 0077457 00280594 HSR-COLE 6-34 Weld 42,160 3.138.10 5,460 406.40 36,700 2,731.70 3.336 1,272 1,628 6.236 45,774 6,236 0.000000% 0.8750 5460 406.40 106 0.074433 00281194 HSR-MCDANIELS4-22 Weld 38,240 2,846.32 4,900 364,72 33.340 2481.60 2,842 1.209 1,547 5,598 41.518 5,598 0.000000% 0,8750 4900 364.72 106 0.074433 00281094 HSR-DERDIVANIS 3-2 Weld 38.010 2,829.20 4,230 314.85 33,780 2,514.35 2,852 871 1,114, 4,837 41,268 4.837 0.000000% 0.8750 4230 314.85 101 0,074433 00281294 HSR-LEMON 12-23 Weld 32,520 2.51890 4,870 377.22 27,650 2,141.68 2,403 1,388 1.777 5,568 35,307 5,568 0.000000% 0.8750 4870 377.22 120 0.077457 00032094 HSR-HARLICK9-26 Weld 79.220 6,276,44 4.840 383.46 74,380 5.892.98 2,885 1,160 1,485 5.530 86,010 5,530 0000000% 0.8750 4840 383.46 108 0.079228 00280394 HSR-ENGSTROM 15-34 Weld 38.390 2,973.58 4,670 361.72 33,720 2.611.86 2,784 1,119 1,432 5,335 41.681 5,335 0.000000% 0.8750 4670 361.72 120 0.077457 00112094 HSR-HEIMARK 6-2 Weld 36,600 2.724.24 4,920 366.21 31.680 2,358.03 2,676 1,362 1.585 5,624 39,737 5.624 0.000000% 0,8]50 4920 366.21 101 0,074433 00113994 HSR-KUECHLER 11-23 Weld 32,160 2,491.02 4,540 351.65 27,620 2,139.3] 2.511 1,237 1440 5,188 34.917 5.188 0.000000% 0.8750 4540 351.65 120 0.077457 00111494 HSR-DIEFENBACH 10-34 Weld 33.090 2,563.06 4.840 374.89 28.250 2,188.17 2,663 1,326 1,543 5,532 35.926 5.532 0.000000% 0.8750 4840 37489 120 0.077457 _ O0078494 HSR-ALEXANDER 2-10 Weld 47,640 3,77442 5,090 40327 42,550 3,371.15 3,185 1,215 1,414 5,814 51,723 5,814 0.000000% 0.8750 5090 403.27 104 0.079228 00111994 HSR-CLACK 1-2 Weld 47,070 3,645.90 5,610 434.53 41,460 3,211.37 2.933 1,606 1,868 6,407 51,105 6,407 0.000000% 0.8750 5610 434.53 120 0077457 00074294 HSR-KOCH 16-32 Weld 81,950 6,256.72 5,200 397,01 76.750 5.85971 3,600 1,084 1.261 5,945 88,974 5,945 0.000000% 0.8750 5200 397.01 126 0.076348 00109894 HSR-GREENBERG4-23 Weld 38,670 3,063.74 4,920 389.80 33,750 2.673.94 2,601 1,471 1,711 5,783 43,175 5.783 2.757812% 0.8750 4920 389.80 104 0079228 00076594 HSR-BERTLIN 1-10 Weld 42.810 3.39176 5,820 461.11 36,990 2,930.65 3,788 1.321 1,537 6,646 46.479 6,646 0.000000% 0.8750 5820 461.11 104 0.079228 01055196 HSR-JUSTINE 11-10 Weld 53,340 4,226.02 4,190 331.97 49,150 3,894.05 2,497 1.060 1,234 4,791 57,912 4,791 0000000% 0.8750 4190 331.97 108 0.079228 00074494 HSR-HARRISON 9-32 Weld 93,670 7,151.52 5,430 414.57 88,240 6.736.95 3,317 1,333 1,551 6.200 101,699 6,200 0.000000% 0,8750 5430 414.57 126 0.076348 00087194 HSR-BREEN 6-14 Weld 41,290 3,15690 4,900 374.64 36,390 2.782.26 2,729 1,329 1,547 5.605 44.829 5.605 0.000000% 0.8750 4900 374.64 118 0.076457 00079094 HSR-MENK 8-10 Weld 89.070 7,056.84 6.040 478.54 83.030 6,578.30 3.890 1.394 1.622 6.905 96.705 6.905 0.000000% 0.8750 6040 478.54 104 0.079228 00110694 HSR-KROPP 5.23 Weld 39 000 3.089.90 5.150 408 02 33.850 2.681.88 3.414 1.222_ 1.421 6,057 43,544 6,057 2.757812% 0.8750 5150 408.02 104 9.079228 00086294 HSR-BUERGER 10-5 Weld 26.720 2.069.66 4.930 381.86 21,790 1.687.80 2,529 1,434 1,668 5.631 29.010 5,631 0000000% 0.8750 4930 381.86 121 0.0/7457 Page 30 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00083994 HSR-LEE 13-33 Weld 34,160 2706.42 4,670 369.99 29.490 2,33643 2,855 1,146 1.333 5,333 37.088 5,333 0.000000% 0.8750 4670 369.99 104 0.079228 00078994 HSR-MEAD 7-10 Weld 40,750 3,228.54 5,400 42783 35,350 2,800.71 3,174 1,387 1.614 6,175 44.243 6,175 0.000000% 0.8750 5400 427.83 104 0.079228 O0079994 HSR-LORENZEN 4-18 Weld 48,050 3,806.90 5,820 461.11 42,230 3,345.79 3,502 1455 1.693 6,650 52.169 6.650 0.000000% 0.8750 5820 461.11 104 0.079228 00114994 HSR-ELLISON 15-36 Weld 30.030 2,32604 3.830 296.66 26,200 2,029.38 2,470 1,168 1.359 4,996 37.262 4.996 12.500000% 0.8750 3830 296.66 120 0.077457 00032194 HSR-LAMBERT 10-26 Weld 59,210 4,691.08 5,620 445.26 53,590 4,245.82 3,055 1,555 1,810 6.420 64,285 6.420 0.000000% 0.8750 5620 445.26 108 0.079228 00086594 HSR-BLANK 15-5 Weld 27.470 2.127.74 4670 361.72 22,800 1766.02 2,621 1.256 1,462 5.340 29.825 5,340 0.000000% 0.8750 4670 36112 121 0.077457 00085594 HSR-LOEFFLER 8-27 Weld 29,300 2474.68 6.120 516.90 23,180 1,957.78 2,434 2.109 2,454 6,997 31,811 6,997 0.000000% 0.8750 6120 516.90 618 0.08446 O0068294 HSR-HARTMAN4-1 Weld 55,660 4.354,18 4,910 384.10 50,750 3.970.08 2.966 1,225 1,425 5.616 60,431 5,616 0.000000% 0.8750 4910 384.10 102 0.078228 00083894 HSR-HART 12-33 Weld 117,640 9,320.38 4,670 369.99 112,970 8,950.39 2,957 1,099 1,278 5,334 127,723 5,334 0.000000% 0.8750 4670 369.99 104 0.079228 00084294 HSR-MARLEY 15-33 Weld 58.580 4,641.18 4,180 331.17 54,400 4,310.01 2,441 1,081 1,258 4,779 63,601 4,779 0.000000% 0.8750 4180 331.17 104 0.079228 00080194 HSR-LYNCH 5-18 Weld 183,610 14,547.06 5.890 466.65 177,720 14,080.41 3.714 1,396 1,624 6.735 199.348 6.735 0.000000% 0.8750 5890 466.65 104 0.079228 00086694 HSR-CABRAL 16-5 Weld 30.500 2.36244 4,420 342.36 26,080 2,020.08 2,705 1.086 1.264 5.055 33.114 5.055 0.000000% 0.8750 4420 342.36 121 0.077457 00068394 HSR-KOSKELA 5-1 Weld 25,990 2,033.14 4,400 344.20 21,590 1.68894 2,514 1,163 1.353 5,030 28,218 5,030 0.000000% 0.8750 4400 344.20 102 0.078228 _ 00079594 HSR-GETZ 14-17 Weld 48,980 3.880.58 4,140 328.00 44.840 3.552.58 2.585 993 1,156 4,734 53.178 4,734 0.000000% 0.8750 4140 328.00 108 0.079228 00084494 HSR-LARSON 16-33 Weld 102,890 8,151.76 5,160 ' 408.82 97.730 1742.94 3,316 1,193 1.388 5,897 111709 5,897 0.000000% 0.8750 5160 408.82 104 0.079228 00085394 HSR-KRAMER 2-27 Weld 29,100 2,469.84 5,580 473.60 23,520 1.996.24 2,447 1,815 2.111 6,373 31,594 6.373 0.000000% 0.8750 5580 473.60 645 0.084874 00115294 HSR-JONES 16-36 Weld 20.550 1,59174 3.980 308.28 16.570 1,283.46 2,567 1214 1,412 5,192 25,499 5.192 12.500000% 0.8750 3980 308.28 120 0.077457 00079294 HSR-GAGE5-17 Weld 57,210 4,383.32 4,650 356.27 52.560 4,027.05 2.483 1,311 1,525 5,319 62.114 5,319 0.000000% 0.8750 4650 356.27 139 0.076618 O0068494 HSR-LAURICE 6-1 Weld 19,950 1,560.64 5,970 467.02 13,980 1,093.62 2,514 1,989 2,315 6,818 21,660 6,818 0.000000% 0.8750 5970 467.02 102 0.078228 00079394 HSR-GATES 6-17 Weld 53,900 4,129.72 4,880 373.90 49,020 3,755.82 2,612 1,371 1.595 5.577 58.520 5.577 0.000000% 0.8750 4880 373.90 139 0.076618 00111394 HSR-HALL 12-31 Weld 31.490 2,439.12 5.880 455.45 25.610 1,983.67 2.888 1,772 2,061 6,722 34,189 6.722 0.000000% 0.8750 5880 455.45 121 0.077457 00069694 HSR-ROGERS 3-5 Weld 95,220 7,269.86 5,470 417.62 89,750 6,852.24 3.418 1,310 1,524 6,252 103,382 6.252 0.000000% 0.8750 5470 417.62 133 0.076348 00085094 HSR-HEPPBERGER 11-24 Weld 38,660 3,398.14 6,580 578.37 32,080 2.819.77 2,898 2,138 2,488 7,524 41,974 7,524 0.000000% 0.8750 6580 578.37 698 0.087898 00086494 HSR-CHAKNOVA 14-5 Weld 37.650 2,802.40 4.520 33644 33.130 2465.96 2.535 1,216 1415 5,167 40,877 5,167 0.000000% 0.8750 4520 336.44 101 0.074433 O0086094 HSR-DEBORRAH 7-5 Weld 47,740 3,69]80 4.770 369.47 42,970 3,328.33 2.431 1.395 1,623 5,449 51,832 5,449 0.000000% 0.8750 4770 369.47 121 0.077457 00114794 HSR-NADAR4-28 Weld 38.460 2,876.20 5,210 389.62 33.250 2.486.58 2,806 1.458 1,696 5.960 41,757 5,960 0.000000% 0.8750 5210 389.62 112 0.074784 00069994 HSR-RENTSCHLER4-5 Weld 107,350 8,195.96 5,680 433.66 101,670 7,762.30 3,403 1.429 1,663 6.494 116,551 6,494 0.000000% 0.8750 5680 433.66 133 0.076348 00086994 HSR-CHRISTY 3-14 Weld 37,290 2.851.08 4,840 370.05 32,450 2,481.03 2,482 1,407 1,637 5,526 40,486 5,526 _0.000000% 0.8750 4840 370.05 118 0.076457 00086194 HSR-COLEMAN 8-5 Weld 33,330 2.501.64 4,890 378.76 28,440 2,202.88 2,957 1,214 1,413 5,584 36,187 5.584 0.000000% 0.8750 4890 37876 121 0.077457 00085194 HSR-LARIMER 13-24 Weld 24,220 2,128.88 4,190 368.29 20.030 1,760.59 2.392 1,105 1,286 4,784 26.296 4.784 0.000000% 0.8750 4190 368.29 698 0.087898 00111294 HSRJENKINS 14-31 Weld 28.620 2,216.82 4,600 356.30 24,020 1,860.52 2,392 1,325 1,542 5,259 31,073 5,259 0.000000% 0.8750 4600 356.30 120 0.077457 00086394 HSR-MOORHEAD 13-5 Weld 42,750 3,182.02 4,440 330.48 38,310 2,851.54 2.530 1,174 1,366 5,069 46,414 - 5.069 - 0.000000% 0.8750 4440 330.48 101 0.074433 00114594 HSR-MCEWEN 3-28 Weld 44,640 3,338.36 5.380 402.34 39,260 2.936.02 2,781 1,554 1,809 6.144 48.466 6.144 0.000000% 0.8750 5380 402.34 110 0.074784 00084794 HSR-MERRITT 11-34 Weld 57,620 4,565.12 5,140 407.23 52.480 4,157.89 3,044 1,311 1,525 5,879 62,559 5.879 0.000000% 0.8750 5140 407.23 104 0.079228 00110994 HSR-GOLDSMITH 11-31 Weld 25,540 1,978.26 4.330 335.39 21,210 1,642.87 2.463 1,148 1,336 4,947 21729 4,947 0.000000% 0.8750 4330 335.39 120 0.077457 00085294 HSR-LEZIN 14-24 Weld 26.740 2.350.40 4,590 403.45 22,150 1.946.95 2,392 1,319 1,535 5,246 29,032 5.246 0.000000% 0.8750 4590 403.45 698 0.087898 00278795 HSR-SAVUL 15-27 Weld 29,040 2,220.32 3.150 240.84 25,890 ?,97948 2,426 541 630 3.597 31,529 3.597 0.000000% 0.8750 3150 240.84 118 0.076457 00079894 HON-HUNT 1-18 Weld 63.270 5,038.94 4.920 391.84 58,350 4647.10 2.925 1.245 1,448 5.618 68.693 5.618 0.000000% 0.8750 4920 391.84 138 0.079642 00080394 HSR-MALINA 8-18 Weld 121.760 9.697.20 5.520 439.62 116.240 9,257.58 3.241 1,420 1,652 6.313 132,197 6.313 0.000000% 0.8750 5520 43962 138 0.079642 Page 31 of 48 115 RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00115394 HSR-MILLARD9-29 Weld 22,680 1,929.94 4,920 418.66 17,760 1.51128 2,428 1476 1,718 5,622 24,624 5,622 0.000000% 0.8750 4920 418.66 608 0.085094 00084994 HSR-OWENS 14-34 Weld 87,350 6.920.56 5,190 411.19 82,160 6,509.37 2,812 1,443 1,679 5,934 94,837 5.934 0.000000% 0.8750 5190 411.19 104 0.079228 00108694 HSR-GUY SHABLE INC.4-4 Weld 39,470 3,274.00 6,460 535.85 33,010 2.738,15 2,531 2,244 2,611 7.387 42.853 7,387 0.000000% 0.8750 6460 535.85 550 0.082949 00112594 HSR-ROTH 6-18 Weld 26,670 2,244.46 4,580 385.44 22,090 1.859.02 2.468 1.281 1,490 5.239 28,956 5.239 0.000000% 0.8750 4580 385.44 1313 0.084157 00115494 HSR-O'NEIL 16-29 Weld 46,200 3.931.34 4,380 372.71 41,820 3,558.63 2,428 1,192 1,387 5,007 50,160 5007 0.000000% 0.8750 4380 372.71 608 0.085094 00106994 HSR-WEGNER 1-30 Weld 31,750 2,427.50 4,190 320.35 27,560 2,107.15 2,514 1,050 1,222 4786 34,471 4,786 0.000000% 0.8750 4190 320.35 118 0.076457 00085694 HSR-PHIPPS 10-1 Weld 119,890 8.94104 6,580 49072 113,310 8450.32 3.022 2.080 2,420 7,521 130.166 7,521 0.000000% 0.8750 6580 490.72 129 0.074577 00088694 HSR-SCHRABERG 14-24 Weld 29,020 2,164.22 3,420 255.05 25,600 1,909,17 2.886 474 551 3,911 31,507 3,911 0.000000% 0.8750 3420 255.05 129 0.074577 00072794 HSR-MULLER 9-29 Weld 29.920 2,231.34 4,410 328.88 25,510 1,902.46 2,566 1,146 1,333 5.045 32,485 5,045 0.000000% 0.8750 4410 328.88 129 0.074577 00112294 HSR-PFISTER 3-18 Weld 26,290 2.21248 4,580 385.44 21,710 1,82]04 2.468 1276 1,485 5,229 28,543 5,229 0.000000% 0.8750 4580 38544 1313 0.084157 00107294 HSR-WHEELER 8-30 Weld 24.550 1877.02 4.880 373.11 19,670 1503.91 2455 1.441 1,676 5,572 26,654 5,572 0.000000% 0.8750 4880 373.11 118 0.076457 00085794 HSR-PEASLEE 11-1 Weld 72 860 5.433.68 5,780 431.06 67.080 5,002.62 2757 1,780 2,071 6.607 79,105 6,607 0.000000% 0.8750 5780 431.06 129 0.074577 O0088794 HSR-YUNKER 2-24 Weld 25,860 1.928.56 3,910 291.60 21,950 1636.96 2.578 876 1,019 4,473 28,077 4,473 0.000000% 0.8750 3910 291.60 129 0074577 00072894 HSR-PANTALEO 10-29 Weld 28.160 2,100,08 4.560 340.07 23.600 1,760.01 2,59] 1,207 1.405 5,209 30,574 5,209 0.000000% 0.8750 4560 340.07 129 0.074577 00107794 HSR-VADNEY 6-34 Weld 26,490 1,945.24 4,620 339.26 21,870 1,605.98 2,749 1,172 1,364 5,285 28,761 5,285 0.000000% 0.8750 4620 339.26 122 0.073433 00106494 HSR-STEWART 3-28 Weld 27,710 2,066.52 3.870 288.61 23,840 1,777.91 2442 915 1.065 4.421 30.085 4,421 0.000000% 0.8750 3870 288.61 129 0.074577 00088894 HSR-SCHNEIDER 16-24 Weld 25,990 1,938.26 4470 333.36 21.520 1,604.90 2.508 1,201 1,398 5,107 28,218 5.107 0.000000% 0.8750 4470 333.36 129 0.07457/ O0073494 HSR-RAININ 13-29 Weld 50,510 3,766.88 4,620 344.55 45.890 3,422.33 2,842 1,126 1,310 5,278 54,839 5,278 0.000000% 0.8750 4620 344.55 129 0.074577 00088594 HSR-SAMUELSEN 3-24 Weld 145.760 10,870.34 6.500 484.75 139,260 10,385.59 3275 1,920 2,234 1429 158.254 7429 0.000000% 0.8750 6500 48475 129 0.074577 00107594 HSR-VADMAN 3-34 Weld 30,360 2,229.42 4,710 345.87 25.650 1,883.55 2,534 1,316 1,531 5,380 32,962 5,380 0.000000% 0.8750 4710 345.87 122 0.073433 00106194 HSR-SUTCLIFFE 6-28 Weld 31,430 2,343.96 4.580 341.56 26,850 2,002.40 3,649 734 855 5,238 34,124 5,238 0.000000% 0.8750 4580 341.56 129 0.074577 00104094 HSR-SINTON 2-26 Weld 26.980 2,012.08 3,670 273.70 23,310 1,738.38 2,438 812 945 4,195 29,293 4,195 0.000000% 0.8750 3670 273.70 129 0.074577 O0072994 HSR-PETERSON 12-29 Weld 34,030 2,537.86 5,110 381.09 28.920 2,156.77 2,932 1.347 1,567 5,846 36,947 5,846 0.000000% 0.8750 5110 381.09 129 0.074577 00088194 HSR-POE 12-21 Weld 57.210 4.266.56 3,760 280.41 53,450 3,986.15 2.526 818 952 4,296 62,114 4,296 0.000000% 0.8750 3760 280.41 129 0.07457] O0070494 HSR-PORTER 9-11 Weld 71,270 5,575.30 4,970 388.79 66,300 5,186.51 2,762 1,350 1,570 5.682 77.379 5,682 0.000000% 0.8750 4970 388.79 102 0.078228 00088394 HSR-PRINA 14-22 Weld 29,770 2,220.16 3,410 254.31 26.360 1,965.85 2,477 659 /67 3.902 32,3322 3,9O2 0.000000% a 0.8750 3410 25 31 129 0074577 00074794 HSR-PARAS 9-30 Weld 26,380 1,967.34 4,180 311.73 22,200 1,655.61 2.436 1,083 1,261 4,780 28.641 4,780 0.000000% 0.8750 4180 311.73 129 007457] 00107394 HSR-TRIMBLE 10-33 Weld 28,670 2,105.32 3.550 260.69 25,120 1,844.63 2,883 541 629 4,053 31,127 4,053 0.000000% 0.8750 3550 260.69 122 0.073433 00070594 HSR-CALIENTE 16-11 Weld 54,350 4,251.70 5,040 394.27 49,310 3,857.43 3,204 1,181 1.374 5.758 59.009 5,758 0.000000% 0.8750 5040 394.27 102 0.078228 00107994 HSR-VOGEL5-35 Weld 19,710 1,447.36 4,130 303.28 15.580 1,144.08 2,737 918 1,068 4,724 21,399 4,724 0.000000% 0.8750 4130 303.28 122 0.073433 00105994 HSR-TOOMBS 14-28 Weld 26,440 1,971.82 6,020 448.95 20,420 1.52287 2,648 1,957 2,277 6,882 28,706 6.882 0.000000% 0.8750 6020 448.95 129 0074577 O0068094 HSR-JOSH-HURL 12-32 Weld 45.680 3,966.86 4,050 351.70 41,630 3.615.16 2392 1.031 1,200 4,623 49,595 4,623 0.000000% 0.8750 4050 35170 738 0.08684 00089594 HSR-SCOTT 6-25 Weld 38,550 2,874.94 3,970 296.07 34.580 2.57887 2,733 835 972 4,540 41,854 4.540 0.000000% 0.8750 3970 296.07 129 0.074577 00108094 HSR-WALL 11-35 Weld 35,750 2,625.22 4,160 305.48 31,590 2,319.74 2,433 1,072 1,248 4,753 38,814 4.753 0.000000% 0.8750 4160 305.48 122 0.073433 00067894 HSR-TULLBERG 13-32 Weld 22,880 1,986.90 4.130 358.65 18.750 1,628.25 2.392 1,076 1.252 4,720 24.841 4,720 0.000000% 0.8750 4130 358.65 738 008684 00102994 HSR-SENEKER 11-25 Weld 40,870 3,047.96 3,600 268.48 37,270, 2,77948 2465 763 888 4.116 44.373 4,116 0.000000% 0.8750 3600 268.48 129 0074577 00071994 HSR-ROSENTHALER 4-20 Weld 28.500 2 125 44 5.220 389.29 23,280 1736.15 2,583 1,565 1.821 5969 30943 5.969 0.000000% 0.8750 5220 389.29 129 0.074577 00108294 HSR-WARREN 12-35 Weld 51.470 3779.60 4740 348.07 46.730 3431.53 2.864 1,180 1,373 5,417 55,882 5,417 0.000000% 0.8750 4740 348.07 122 0.073433 _ 00108494 HSR-WEBER 14 35 Weld 28.010 2.056.86 4.260 31282 23.750 1744.04 2.426 1,129 1.314 4,869 30,411 4,869 0.000000% 0.8750 4260 312.82 22 0073433 Page 32 of 48 H5 RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate.! -- - _- Assessed Assessed Refund Balance Direct Retum on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00071794 HSR-NEMIROW5-20 Weld 24.340 1.815.20 4,410 328.88 19.930 1,486.32 2.483 1.182 1,375 5,041 26.426 5,041 0.000000% 0.8750 4410 328.88 129 0.074577 00071594 HSR-REA 12-20 Weld 21.770 1.623.54 6,030 449.70 15,740 1,173.84 2,493 2.032 2.365 6.891 23,636 6,891 0.000000% 0.8750 6030 449.70 129 0.074577 00089794 HSR-SEELIG 10-25 Weld 22,960 1,712.28 3,350 249.83 19,610, 1,462.45 2,581 574 668 3,824 24.928 3,824 0.000000% 0.8750 3350 249.83 129 0.074577 00071494 HSR-IAN 13-20 Weld 25740 1.919.62 5.920 441.50 19.820 1,478.12 2,567 1,941 2,258 6.766 27.946 6.766 0.000000% 0.8750 5920 441.50 129 0.074577 00103194 HSR-SKELLY 9-26 Weld 34.870 2,600.50 3.620 269.97 31,250 2,330.53 2,554 732 851 4,137 37,859 4,137 0.000000% 0.8750 3620 269.97 129 0.074577 O0080594 HSR-WALDBAUM 9-21 Weld 59,390 4.59370 4.230 327.18 55,160 4,266.52 2,502 1.080 1,257 4.838 64,481 4,838 0.000000% 0.8750 4230 327.18 127 0.077348 00075694 HSR-BLAISE 3-31 Weld 25,000 1,86442 4,380 326.65 20.620 1,53777 2.423 1,194 1.389 5.006 27,143 5,006 0.000000% 0.8750 4380 326.65 129 0.074577 00087794 HSR-WISE 16-15 Weld 36,860 2,748.90 8,990 670.45 27,870 2.078.45 6,998 1.514 1.761 10,273 40,019 10,273 0.000000% 0.8750 8990 670.45 129 0.074577 00103394 HSR-SHOWALTER 16-26 Weld 37,240 2,777.24 3.490 260.27 33.750 2.51697 2.554 665 774 3,994 40,432 3.994 0.000000% 0.8750 3490 260.27 129 0.074577 00066194 HSR-BARBOUR4-7 Weld 75,240 6,264.86 5.930 493.76 69.310 5,771.10 2.999 1,745 2.031 6,775 81,689 6,775 0.000000% 0.8750 5930 493.76 730 0.083265 00075794 HSR-CAMP 4-31 Weld 39.150 3,03244 4.000 309.83 35,150 2.722,61 2,473 967 1,125 4.566 42,506 4.566 0.000000% 0.8750 4000 309.83 121 0.077457 00087594 HSR-SMALLEY 15-15 Weld 42.560 3.174.00 9.150 682.38 33.410 2.491 62 6,533 1,814 2,111 10.458 46,208 10.458 0.000000% 0.8750 9150 682.38 129 0.074577 00111694 HSR-SPILMAN 9-35 Weld 44,510 3,313.02 4,710 350.58 39,800 2,962.44 2,489 1,338 1.557 5,384 48.325 5,384 0.000000% 0.8750 4710 350.58 101 0.074433 00075994 HSR-GRISHAM 7-31 Weld 29.610 2,293.50 4.260 329.97 25.350 1,963.53 2,432 1,126 1,310 4,869 32,148 4.869 0.000000% 0.8750 4260 329.97 121 0.077457 O0067694 HSR-PARKMAN 6-7 Weld 41,890 3,487.98 4,780 398.01 37.110 3,089.97 2,758 1251 1456 5,465 45.481 5,465 0.000000% 0.8750 4780 398.01 730 0.083265 00065994 HSR-PETRIE 3-7 Weld 88,160 7,340.64 4,890 407.17 83,270 6,933.47 2,758 1.309 1.523 5.590 95,717 5,590 0.000000% 0.8750 4890 407.17 730 0.083265 00067294 HSR-SAFRAN 5-7 Weld 56,440 5,532.12 5.840 486.27 60.600 5.045.85 2.758 1.808 2.103 6,669 72,135 6.669 0.000000% 0.8750 5840 486.27 730 0.083265 00076194 HSR-NEALY 8-31 Weld 30,080 2,329.90 4,290 332.29 25.790 1.997.61 2.432 1,141 1,328 4,901 32,658 4,901 0.000000% 0.8750 4290 332.29 121 0.077457 00071294 HSR-MORALES?-19 Weld 40.800 3,04?74 5,110 381.09 35,690 2.661.65 2,715 1,443 1,679 5,838 44,297 5.838 0.000000% 0.8750 5110 381.09 129 0.074577 O0072094 HSR-DOVE 15-22 Weld 94,550 7,229.00 4,550 347.88 90,000 6,881.12 2,717 1,147 1,335 5,199 102,654 5.199 0.000000% 0.8750 4550 347.88 118 0.076457 00071394 HSR-OSBORNE 8-19 Weld 30,380 2,265.64 4,750 354.24 25.630 1,911.40 2.740 1,241 1,444 5.425 32,984 5,425 0.000000% 0.8750 4750 354.24 129 0.074577 00105494 HSR-SISK 1-28 Weld 31.780 2,37006 4,490 334.85 27,290 2,035.21 2,882 1,040 1,211 5,133 34,504 5,133 0.000000% 0.8750 4490 334.85 129 0.074577 O0076494 HSR-MARGESON 10-31 Weld 32,850 2,544.46 4,170 323.00 28,680 2,221.46 2,509 1,042 1,212 4,763 35,666 4,763 0.000000% 0.8750 4170 323.00 121 0.077457 00076394 HSR-FORE THOUGHT 9-31 Weld 21.890, 1.695.54 4.400 340.81 17,490 1,354.73 2,548 1,145 1,332 5,024 23.766 5.024 0.000000% 0.8750 4400 340.81 121 0.077457 00085894 HSR-HAMMER 6-2 Weld 60,920 4,543.24 3.790 282.65 57,130 4,260.59 2,416 1,018 1,185 4,619 70,551 4,619 6.250000% 0.8750 3790 282.65 129 0.074577 00105694 HSR-TELISCHAK 8-28 Weld 31.190 2,326.06 4,050 302.04 27,140 2.024.02 2,432 1.015 1,181 4,628 33.863 4.628 0.000000% 0.8750 4050 302.04 129 0.074577 O0075594 HSR-T0O DEVINE 1-31 Weld 25,720 1,918.12 3,840 286.38 21,880 1,63174 2,477 884 1,029 4,390 27.925 4,390 0.000000% 0.8750 3840 286.38 129 0.074577 O0087894 HSR-STEWART 2-18 Weld 42,120 3.135.12 5,330 396.73 36.790 2,738.39 2,526 1.724 2.007 6.256 46,975 6,256 2.650000% 08750 5330 396.73 106 0.074433 00075894 HSR-SANTIAGO5-31 Weld 21.810 1,689.34 4.420 342.36 17,390 1,346.98 2,672 1.101 1,281 5,053 23,679 5.053 0.000000% 0.8750 4420 342.36 121 0.077457 O0088094 HSR-STEWART?-18 Weld 34,530 2,570.18 4.710 350.58 29,820 2,21960 2.525 1,390 1.618 5,534 38.510 5.534 2.650000% 0.8750 4710 350.58 106 0.074433 00070394 HSR-NORRIS 4-7 Weld 76,270 5,687.98 6,030 449.70 70.240 5.23828 2,838 1,872 2,178 6,888 82,807 6.888 0.000000% 0.8750 6030 449.70 129 0.074577 00117094 HSR-PAGE 10-5 Weld 143,530 16,535.24 4,110 473.49 139,420 16,061.75 2.793 880 1,024 4.698 155,833 4,698 0.000000% 0.8750 4110 473.49 2104 0.115204 00075394 HSR-MASCHMEYER 15-30 Weld 34,940 2,605.72 3,500 261.02 31,440 2.344.70 2,436 721 839 3,995 37,935 3.995 0.000000% 0.8750 3500 261.02 129 0.074577 00318995 HSR-LILLEVAND 10-3 Weld 46,000 3423.92 4,610 343.14 41,390 3,080.78 2.627 1,222 1,422 5.271 49,943 5.271 0.000000% 0.8750 4610 343.14 101 0.074433 00086794 HSR-HOWARD 15-11 Weld 36.940 2.754.88 4,460 332.61 32.480 2,422.27 2.513 1,196 1,392 5.100 40,106 5,100 0.000000% 0.8750 4460 332.61 129 0.074577 00104794 HSR-NICHOLAS 14-11 Weld 73.300 5.734.12 4,480 350.46 68,820 5,383.66 2,943 1,006 1.170 5,124 79,583 5,124 0.000000% 0.8750 4480 350.46 102 0.078228 00084694 HSR-CARNEY 15-34 Weld 44,620 3.535.16 4.710 373.16 39,910 3.162.00 2,525 1,321 1,537 5,383 48.445 5.383 0.000000% 0.8750 4710 373.16 104 0079228 00112794 HSR-REDM0ND 12-21 Weld 26.360 1.971 30 5.200 388.88 21.160 1,58242 3.585 1.092 1.270 5.947 28.619 5,947 0.000000% 0.8750 5200 388.88 110 0.074784 00104294 HSR-LIBBY 11-11 Weld 44.740 3499.92 4.470 349.68 40.270 3.150.24 2,912 1.015 1,181 5,108 48.575 5,108 0.000000% 0.8750 4470 349.68 102 0.078228 Page 33 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate,/ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.! Assessed Operating investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Ron) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00104994 HSR-CULLEN 10-11 Weld 65,270 5.105.94 4200 328.56 61070 4.77738 2.758 942 1,096 4.796 70,865 4.796 0.000000% 0.8750 4200 328.56 102 0.078228 00104594 HSR-KATE 13-11 Weld 93,100 7,283.02 4,590 359.07 88,510 6.92395 3.038 1,023 1,190 5.251 101,080 5.251 0.000000% 0.8750 4590 359.07 102 0.078228 00113694 HSR-WEIS 5-21 Weld 51,820 3,875.30 5,020 375.42 46,800 3,499.88 3,249 1.148 1.336 5,732 56,262 5.732 0.000000% 0.8750 5020 375.42 110 0.074784 00113494 HSR-LOWES6-21 Weld 50,650 3.787.80 4,780 35747 45.870 3,430.33 2,782 1,239 1,441 5,463 54.991 5,463 0.000000% 0.8750 4780 357.47 110 0.074784 00109494 HSR-BOST 12-11 Weld 94,580 7,398.80 4,590 359.07 89.990 7,039 73 2.923 1.074 1,249 5,246 102,687 5,246 0.000000% 0.8750 4590 359.07 102 0.078228 00113294 HSR-BURCHFIELD 11-21 Weld 48,940 3,659.92 5.440 406.82 43.500 3,253.10 2,978 1,495 1,739 6,212 53,135 6,212 0.000000% 0.8750 5440 406.82 110 0.074784 00106794 HSR-SABS 4-29 Weld 42,400 3,241 78 4.560 348.64 37.840 2,893.14 2,485 1,261 1.467 5.213 46.034 5.213 0.000000% 0.8750 4560 348.64 118 0.076457 00102094 HSR-PALLE1TE 10-9 Weld 87.940 10,396.98 4,940 584.05 83,000 9.812.93 2,689 1,365 1.588 5.643 95,478 5,643 0.000000% 0.8750 4940 584.05 2103 0.118228 00105294 HSR-MATTHEW 6-15 Weld 99,910 7.815 76 4,240 331.69 95,670 7,484.07 2.903 896 1,043 4.842 108,474 4.842 0.000000% 0.8750 4240 331.69 102 0.078228 00102194 HSR-RICHARDS 16-9 Weld 73,050 8,636.56 4,300 508.38 68,750 8,128.18 2,689 1,030 1,198 4.918 79,311 4.918 0.000000% 0.8750 4300 508.38 2103 0.118228 00106594 HSR-PURYEAR 5-29 Weld 23,220 1,775.34 4.800 366.99 18.420 1,408.35 2.621 1.326 1.543 5,489 25,210 5.489 0.000000% 0.8750 4800 366.99 118 0.076457 00279094 HSR-BEEBE DRAW 4-15 Weld 106,200 12,555.82 4.820 569.86 101.380 11,985.96 2,978 1.170 1.361 5,509 115.303 5,509 0.000000% 0.8750 4820 569.66 2103 0.118228 00117494 HSR-GOODNOW 16-5 Weld 112,970 13,014.60 4.480 516.11 108,490 12,498.49 2,869 1,038 1.208 5,115 122.653 5,115 0.000000% 0.8750 4480 516.11 2104 0.115204 00278994 HSR-BEEBE DRAW 3-15 Weld 121.000 14,305.58 4,830 571.04 116,170 13,734.54 2.978 1,175 1.368 5,521 131,371 5,521 0.000000% 0.8750 4830 571.04 2103 0.118228 00117294 HSR-OBORNE 9-5 Weld 62,360 7,184.12 4,030 464.27 58,330 6,719.85 2,488 980 1,140 4,607 67,705 4,607 0.000000% 08750 4030 464.27 2104 0.115204 00116994 HSR-RAFALOVICH 14-5 Weld 83.570 9,627.60 4.060 467.73 79,510 9,159.87 2.831 834 970 4.635 90.733 4,635 0.000000% 0.8750 4060 467.73 2104 0.115204 00103594 HSR-BEEBE DRAW 14-10 Weld 143.280 16,939.70 4,790 566.31 138.490 16,373.39 2.910 1,185 1,378 5.473 155,561 5.473 0.000000% 0.8750 4790 566.31 189 0.118228 00102294 HSR-PERRY 15-9 Weld 153.410 18,137.36 4,610 545.03 148,800 17,592.33 2,702 1,188 1,383 5,273 166,559 5.273 0.000000% 0.8750 4610 545.03 2103 0.118228 00101794 HSR-MORTON 9-9 Weld 51.830 6,127.76 4,740 560.40 47.090 5,56]36 2,419 1.384 1.611 5,414 56,273 5,414 0.000000% 0.8750 4740 560.40 2103 0.118228 00103694 HSR-OVIATT 11-10 Weld 241,000 28,492.94 5,980 707.00 235,020 27,785.94 4,249 1,197 1.392 6,838 261,657 6,838 0.000000% 0.8750 5980 707.00 2103 0.118228 00117594 HSR-PARKER 12-5 Weld 95,240 10,972.02 4,380 504.59 90,860 10,467.43 2,811 1.016 1.182 5,010 103.403 5.010 0.000000% 0.8750 4380 504.59 2104 0.115204 00116594 HSR-PICKRELL 13-5 Weld 91.970 10,595.32 4,630 533.39 87,340 10.061.93 2,902 1,102 1,283 5.287 99,853 5,287 0.000000% 0.8750 4630 533.39 2104 0.115204 00116394 HSR-NILANO 6-5 Weld 89.140 10,269.28 3,990 45966 85.150 9,809.62 2.823 804 935 4,562 96,781 4,562 0.000000% 0.8750 3990 459.66 2104 0.115204 00078794 HSR-WALTER 6-1 Weld 45.090 3,492.54 5.110 395.81 39,980 3,096.73 2,677 1,463 1,702 5,841 48,955 5,841 0.000000% 0.8750 5110 395.81 121 0.077457 00116794 HSR-REAM 15-5 Weld 54,790 6.312.02 4,100 472.34 50.690 5,839.68 2.453 1,033 1,202 4.688 59,486 4,688 0.000000% 0.8750 4100 472.34 2104 0.115204 00091994 HSR-WADDELL 12-24 Weld 48,480 3,608.52 5,670 422.04 42,810 3,186.48 3,344 1,449 1,686 6,479 52.635 6,479 0.06990u-A 0.8750 5670422.04 mi 0.6,4444 00100794 HSR-COADY 12-28 Weld 30,590 2,287.64 5,010 374.67 25,580 1,912.97 2,883 1.312 1,526 5.721 33.212 5.721 0.000000% 0.8750 5010 374.67 112 0.074784 00091794 HSR-WADDELL 13-24 Weld 43,580 3,243.80 6.590 490.51 36,990 2.753.29 4,653 1,328 1,545 7.526 47,315 7,526 0.000000% 0.8750 6590 490.51 101 0.074433 00080694 HSR-WILLIAM 10-32 Weld 123,670 9,441.96 5.570 425.26 118,100 9016,70 4,042 1.073 1,249 6,364 134,270 6,364 0.000000% 0.8750 5570 425.26 126 0.076348 00319395 HSR-OSTERMILLER 10-8 Weld 50,690 3,926.30 5,290 409.75 45,400 3,516.55 3,046 1,386 1.613 6,045 55,035 6,045 0.000000% 0.8750 5290 409.75 120 0.077457 O0020294 HSR-OLIN 15-19 Weld 21,400 1,592.86 5,360 398.96 16,040 1,193.90 2,856 1,589 1,848 6.293 23,856 6.293 2.607813% 0.8750 5360 398.96 101 0.074433 00077694 HSR-oDENBAUGH I5-1 Weld 36.520 2,828.72 4,730 366.37 31,790 2,462.35 3.105 1,061 1,235 5,401 39,650 5,401 0.000000% 0.8750 4730 366.37 121 0.077457 O0007994 HSR-OSTER 13-22 Weld 64.600 5,118.12 6,120 484.88 58,480 4.633.24 2,595 2.031 2,363 6.989 70.137 6,989 0.000000% 0.8750 6120 484.88 104 0.079228 00019994 HSR-OLIN 10-19 Weld 26,680 1,98588 5.580 415.34 21,100 1,570.54 2,761 1,752 2,039 6,552 29,742 6,552 2.607813% 0.8750 5580 415.34 101 0.074433 00278895 HSR-DAN 11-22 Weld 45,550 3,608.84 3,660 289.97 41,890 3.318.87 2,434 807 939 4,180 49.454 4,180 0.000000% 0.8750 3660 289.97 104 0.079228 O0008294 HSR-SELLS 13-31 Weld 109,120 8,536.24 5.890 460.76 103,230 807548 2,782 1.826 2.124 6.732 118.473 6.732 0.000000% 0.8750 5890 460.76 123 0.078228 O0090494 HSR-ABBETT 8.23 Weld 34,870 2700.92 4760 368.70 30.110 2.332.22 2.555 1.331 1.548 5.435 37,859 5.435 0.000000% 0.8750 4760 368.70 120 0.077457 00088294 HSR-ABBETT 2-23 Weld 46.530 3.604.08 5,460 422.92 41,070 3,181.16 2.583 1.688 1.964 6,236 50.518 6,236 0.000000% 0.8]50 5460 422.92 120 0.077457 -- 00102494 HSR-RADEMACHER11-30 Weld 42.990 3,61]90 4,870 409.84 38,120 3208.06 2,527 1,403 1,633 5.563 46,675 5,563 0.000000% 0.8750 4870 409.84 1313 0.084157 Page 34 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (R0R) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00054795 HSR-NISHIMOTO 7-36 Weld 30,470 2267.98 4.590 34165 25.880 1,926.33 2,790 1.133 1.319 5,242 33,082 5,242 0.000000% 0.8750 4590 341.65 101 0074433 00088494 HSR-ABBETT7-23 Weld 49.420 3.82792 7,580 587.12 41.840 3.240,80 4,723 1,823 2.121 8,667 53,656 8,667 0.000000% 0.8750 7580 587.12 120 0.077457 O0053895 HSR-NISHIMOTO 11-36 Weld 29,130 2,168.24 5.980 445.11 23,150 1,723.13 2,816 1,859 2.164 6,839 31,627 6,839 0000000% 0.8750 5980 445.11 101 0.074433 00053795 HSR-LOUIS 10-30 Weld 38,340 3.226,58 4,710 39638 33,630 2,830.20 2,641 1.268 1.475 5.384 41,626 5.384 0.000000% 0.8750 4710 396.38 1313 0084157 00102394 HSR-ACORO12-29 Weld 40,920 3060.16 6,400 478.62 34,520 2,581.54 3,271 1,868 2.173 7,312 44,427 7.312 0.000000% 0.8750 6400 478.62 110 0.074784 00047595 HSR-LIZ 5-17 Weld 48,140 4,051.32 5.450 45866 42,690 3,59266 3,094 1.447 1,684 6224 52,266 6224 0.000000% 0.8750 5450 458.66 1313 0.084157 00044195 HSR-PALMER 14-8 Weld 35.000 2,61]44 6.170 46142 28,830 2.15602 2.767 1.981 2,305 7,053 38.000 7,053 0.000000% 0.8750 6170 461.42 124 0.074784 00115594 HSR-MAY 5-5 Weld 82,680 9.52506 4.790 551.83 77,890 8,973.23 2.813 1231 1432 5.476 89.767 5.476 0.000000% 0.8750 4790 55183 2104 0.115204 00055495 HSR-KNOX 6-3 Weld 23,310 2,022.08 5.600 48578 17.710 1,536.30 3606 1,290 1,501 6,397 25308 6,397 0.000000% 08750 5600 485.78 429 0.086747 00052695 HSR-MAYER9-23 Weld 33,790 2,617.28 5.160 399.68 28,630 2,217.60 2,702 1.477 1.718 5,897 36,686 5,897 0.000000% 0.8750 5160 399,68 120 0.077457 00055595 HSR-KNOX 11-3 Weld 33,720 2,925.10 5,750 498,80 27,970 2.426.30 4,035 1,173 1,365 6,573 36.610 6,573 0.000000% 0.8750 5750 498.80 429 0.086747 O0088994 HSR-MAYER 10-23 Weld 49,870 3,862,78 4,590 355.53 45,280 3,507.25 2,628 1,208 1.406 5,241 54,145 5,241 0000000% 0.8750 4590 355.53 120 0.077457 O0048995 HSR-SEKICH FARMS 3-20 Weld 68,230 5,742,04 4,510 37955 63,720 5,362.49 2,815 1,082 1,259 5.155 74,078 5.155 0.000000% 0.8750 4510 379,55 1313 0.084157 O0040595 1514-ROBERT 11-33 Weld 87,390 6,92374 5,580 442.09 81,810 6,481,65 3776 1,201 1,397 6,374 94,881 6,374 0.000000% 0.8750 5580 442.09 104 0.079228 00278995 HSR-SANDBERG 7-6 Weld 19,580 1,567,82 6.030 48284 13,550 1,084.98 3,677 1,488 1.732 6.897 21,258 6.897 0.000000% 0.8750 6030 482.84 520 0.080073 00041095 HSR-ARISTOCRAT 12-34 Weld 95.820 7.59162 5,320 42149 90.500 7.170.13 2.975 1,436 1.671 6,082 104,033 6082 0.000000% 0.8750 5320 421.49 104 0.079228 00055695 HSR-KNOX 10-3 Weld 45.230 3.923.56 4.090 354.80 41,140 3,56876 2,659 933 1,085 4,676 49,107 4,676 0000000% 0.8750 4090 354.80 429 0.086747 00052595 HSR-GLEN 13-23 Weld 40,870 3,165.66 5.250 406.65 35,620 2,75901 2,545 1,606 1,868 6,019 44,540 6,019 0.374843% 0.8750 5250 40665 120 0.077457 00055395 HSR-DUNN 10-36 Weld 21.080 1.632.80 3,750 290.46 17,330 1.342.34 2.392 1,157 1,347 4,896 26,156 4,896 12.500000% 0,8750 3750 290.46 120 0.077457 05001186 ANNE STATE#1 Weld 18,930 1,268.86 4.500 301,63 14,430 967.23 4,658 566 658 5,882 23,489 5,882 12.500000% 0.8750 4500 301.63 2065 0.067029 00121988 ANNE STATE#4 Weld 4,670 313,02 3,340 223.88 1.330 89.14 2.759 740 861 4,360 5,795 4,360 12.500000% 0.8750 3340 223.88 2065 0.067029 00122188 ANNE STATE#6 Weld 84,190 5,643.18 5,950 398.82 78.240 5,244,36 6.362 653 759 7775 104,464 7.775 12.500000% 0,8750 5950 398.82 2065 0.067029 O5000086 BEAGLER#1 Weld 3,330 22320 2,590 173,61 740 4959 1,768 641 746 3,155 3,857 3,155 6.260529% 08750 2590 173,61 2065 0.067029 05409086 BRETT#1 Weld 0 0.00 0 0.00 0 0.00 810 543 631 1,984 0 0 0,000000% 0.8750 0 0.00 1404 0.109488 O5409086 BRETT#3 Weld 12.520 1,37302 3,170 347.64 9,350 1,025.38 2,345 592 689 3,626 13,593 3.626 0.000000% 0.8750 3170 347,64 1407 0.109666 O0063593 BRETT#4 Weld 37,270 4.080.62 3,400 372.26 33,870 3,708.36 2,071 839 976 3,885 40.465 3,885 0000000% 0.8750 3400 372.26 1404 0.109488 00119788 CLARENCE#1 Weld 10,720 832.07 2.880 223.54 7.840 608.53 1,692 740 861 3,293 11,639 3,293 0.000000% 0.8750 2880 22354 226 0.077619 00119788 CLARENCE#2 Weld 11,410 885.63 2,970 230.53 8.440 655,10 1.692 789 918 3.400 12,388 3,400 0.000000% 0.8750 2970 230.53 226 0.077619 00260993 ELLA#1 Weld 32,240 2,674.28 3,060 253.82 29,180 2,42046 2.004 691 804 3,499 35,003 3,499 0000000% 08750 3060 253.82 552 0082949 00061390 F QUARTER CIRCLE#1 Weld 42,950 2.87890 3,760 252.03 39.190 2,62687 2,790 696 810 4,297 46,631 4,297 0.000000% 08750 3760 25203 2065 0067029 04468886 FRITZLER#1 Weld 25,450 1,971.28 3,120 241.67 22,330 1,729.61 2,077 691 804 3,571 27,631 3,571 0.000000% 0.8750 3120 241.67 121 0.077457 00074289 GORDON#1 Weld 37.680 2.52566 16,410 1.09995 21,270 1,425.71 17,157 740 861 18,757 40,910 18.757 0.000000% 0.8750 16410 1,099.95 2065 0,067029 00034289 GOZA#1 Weld 2,800 21690 2,660 206.06 140 10.84 2,272 740 861 3,873 3,040 3,040 0.000000% 0.8750 2660 206.06 220 0.077465 00213188 HOWARD STATE#1 Weld 280 23.54 270 22,70 10 084 1,459 740 861 3,060 347 347 12.500000% 0.8750 270 2270 740 0084087 04164286 HUNTER#1 Weld 9,400 787.88 3,410 28581 5,990 50207 2,672 566 658 3.896 10,206 3,896 0.000000% 08750 3410 285.81 735 0083816 00063693 LINCOLN#3 Weld 15,340 1.461.96 3,720 354.53 11.620 1.107.43 2,648 740 861 4,248 16.655 4,248 0.000000% 0.8750 3720 354.53 1338 0.095304 00321595 LINCOLN#1 Weld 2,010 191.56 1.910 182.03 100 9.53 955 592 689 2.235 2,182 2,182 0.000000% 0.8750 1910 182.03 1337 0.095304 00321595 LINCOLN#2 Weld 3.390 323.08 1,680 160.11 1,710 162.97 636 592 689 1.916 3,681 1,916 0.000000% 08750 1680 160.11 1337 0.095304 00120488 LINDA RAE#1 Weld 29,560 2,289.86 4,100 31161 25,460 1.972,25 3,084 740 861 4,685 32.094 4.685 0.000000% 0.8750 4100 31/.61 220 0.077465 Page 35 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00259888 LISA#1 Weld 5,540 527.98 2,560 243.98 2.980 284.00 1,538 641 746 2.926 6,015 2.926 0.000000% 0.8750 2560 243.98 1338 0.095304 00259888 LISA#2 Weld 3,990 380.26 2,680 255.41 1.310 124.85 1,742 609 709 3.060 4.332 3,060 0.000000% 0.8750 2680 25541 1338 0.095304 04983886 LITTLER-VON HAZMBURG#1 Weld 12,680 815.52 3,300 212.24 9,380 603.28 2.760 479 557 3796 13,836, 3.796 0.499995% 0.8750 3300 212.24 302 0.064315 00177287 LOST CREEK STATE#1 Weld 11,200 809.12 2,760 199.39 8,440 609.73 2,196 653 759 3,608 13.897 3,608 12.500000% 0.8750 2760 199.39 2068 0.072242 00120588 LOST CREEK STATE#2 Weld 2,590 187.10 2,000 144.48 590 42.62 1,203 653 759 2,615 3,214 2,615 12.500000% 0.8750 2000 144.48 2068 0.072242 00075389 LOST CREEK STATE 4 Weld 1,170 84.52 1,110 80.19 60 4,33 680 789 916 2.388 1,452 1,452 12.500000% 0.8750 1110 80.19 2068 0.072242 00177287 LOST CREEK STATE#7 Weld 28,520 2,060.34 4,000 288.97 24,520 1771.37 3,721 696 810 5,227 35.388 5.227 12.500000% 0.8750 4000 288.97 2068 0.072242 00120788 MILLER#15-29 Weld 10,050 842.36 4.540 380.52 5.510 461.84 3.591 740 861 5,192 10,911 5.192 0.000000% 0.8750 4540 380.52 743 0.083816 05615786 NEWTON#1 Weld 15.620 1410.18 2,720 245.56 12,900 1.164.62 1,794 609 709 3,112 16,959 3.112 0.000000% 0.8750 2720 245.56 1294 0.090281 04984186 PARMLEE#3 Weld 116,990 7,524.22 6,990 449.56, 110,000 7,074.66 6,391 740 861 7,991 127,018 7,991 0.000000% 0.8750 6990 449,56 302 0.064315 00063493 RALPH A-1 Weld 21,460 1,413.60 4,320 284.56 17,140 1,129.04 3,340 740 861 4,941 23,299 4,941 0.000000% 0.8750 4320 284.56 317 0,065871 04984086 SEYFRIED#1 Weld 3,800 244.40 3,140 201.95 660 42,45 2,369 566 658 3,593 4,126 3,593 0.000000% 0.8750 3140 201.95 302 0.064315 04984086 SEYFRIED#2 Weld 49,760 3,200.32 5,380, 346.01 44,380 2,854.31 4,543 740 861 6,143 54,025 6,143 0.000000% 0.8750 5380 34601 302 0,064315 00257894 STATE 2-12 Weld 73,580 4,732.30 3,850 247.61 69,730 4,484.69 3,429 740 861 5,029 91,299 5,029 12.500000% 0.8750 3850 247.61 302 0.064315 00087792 STATE 4-7 Weld 29,580 1,982.72 9,150 613.32 20,430 1.36940 10,355 740 861 11,956 36,703 11,956 12.500000% 0.8750 9150 613,32 2065 0.067029 00074489 STATE 8-7 Weld 42,110 2,822.60 4,720 316.38 37,390 2,506.22 4,654 696 810 6,160 52,251 6.160 12.500000% 0.8750 4720 316.38 2065 0.067029 00061090 STATE 26-1 Weld 460 33.24 440 3179 20 145 71 566 658 1.295 571 571 12500000% 0.8750 440 31.79 2068 0.072242 O0060990 STATE#26-2 Weld 33,050 2,387.60 3,480 251.40 29,570 2,136.20 3,036 696 810 4.542 41,009 4,542 12.500000% 0.8750 3480 251.40 2068 0.072242 O0060990 STATE#26-4 Weld 1,130 81.64 1,070 77,30 60 4.34 635 696 810 2,141 1,402 1402 12,500000% 0.8750 1070 77.30 2068 0,072242 01226586 UHRICH#1 Weld 11.160 933.48 2,300 192.39 8,860 741.09 1,313 609 709 2,631 12,117 2,631 0000000% 0.8750 2300 192.39 687 0.083646 00071691 VERA#1 Weld 20,020 1,341.92 4,500 301.63 15,520 1,040.29 3,636 696 810 5,142 21,736 5,142 0.000000% 0.8750 4500 301,63 2065 0O67029 00256294 ANNE STATE#7 Weld 290 19.44 280 1877 10 0.67 1,187 740 861 2,787 360 360 12.500000% 0.8750 280 18.77 2065 0.067029 00119694 HSR-HANCOCKB-36 Weld 19,660 1,463.36 3,740 278.38 15,920 1,184,98 2,406 1,198 1,278 4,881 24,394 4,881 12500000% 0.8750 3740 278.38 106 0.074433 00119394 HSR-FELDMAN 1-36 Weld 11,170 831.42 3,730 277.64 7,440 553.78 2,406 1,196 1,275 4,877 13,860 4,877 12.500000% 0.8750 3730 277.64 106 0.074433 00119594 HSR GRAHAM 236 Weld 32,250 _„01.20 3,430 255.31 28,830 2,145.89 2,406 1,001 1,058 4,475 40,029 4.475 12500000% 0.8750 3430 255.31 106 0.074433 00045595 HSR-STANLEY ODENBAUGH 13-12 Weld 57,340 4,441,38 5,540 429.11 51,800 4,012,27 2,442 1,881 2,007 6,331 62,255 6,331 0.000000% 0.8750 5540 429.11 120 0.077457 00105495 HSR-ROBERT BROWN 9-6 Weld 32,420 2.595.96 6,940 555.71 25,480 2,040.25 4.827 1,510 1,611 7,948 35,256 7,948 0.160937% 0.8750 6940 555,71 509 0.080073 00052395 HSR-RANDY 14-23 Weld 40,650 3,148.62 4,600 356.30 36,050 2,792.32 2,661 1,264 1,349 5,274 44,300 5.274 0.374843% 0.8750 4600 356.30 120 0.077457 00041195 HSR-HOUSTON 13-34 Weld 94,410 7,479,92 5,390 427.04 89,020 7,052.88 2,958 1.550 1,654 6,162 102,502 6,162 0.000000% 0.8750 5390 427.04 104 0.079228 00087994 HSR-ABBETT 1-23 Weld 34,050 2,637.42 5,590 432.98 28,460 2,204.44 2,608 1,828 1.950 6,386 36,969 6,386 0.000000% 0.8750 5590 432.98 120 0.077457 00105395 HSR-ROBERT BROWN 16-6 Weld 26,270 2,103.52 6.110 489.25 20,160 1.61427 4,325 1.290 1.376 6.992 28,568 6.992 0.160937% 0.8750 6110 489.25 509 0.080073 00057895 HSR-STROH 11-35 Weld 36,800 2,961.92 3,510 282.51 33,290 2,679.41 2.428 768 819 4,015 39,954 4.015 0.000000% 0.8750 3510 282,51 556 0.080487 O0046095 HSR-CULLEN ODENBAUGH 14-12 Weld 45.910 3,556.06 4,680 362.50 41,230 3.193.56 2.453 1,401 1.495 5.349 49,845 5,349 0.000000% 0.8750 4680 362.50 120 0.077457 00053095 HSR-NIX 13-28 Weld 50,510 3,77734 4,860 363.45 45,650 3,413.89 2,570 1.445 1,542 5,557 54,839 5,557 0.000000% 0.8750 4860 363.45 112 0.074784 00053495 HSR-NIX 14-28 Weld 54,010 4,039.08 4.460 333.54 49,550 3,705.54 2,566 1,223 1,304 5.093 58,639 5.093 0.000000% 0.8750 4460 333,54 112 0.074784 00042995 HSR-FRAHM 9-34 Weld 42,400 3.284,18 4,510 357.08 37,790 2.927.10 2,595 1,294 1,380 5,270 46,034 5,270 0.000000% 0.8750 4610 357.08 120 0.077457 00057995 HSR-GEORGE 1-6 Wela 47,450 379946 5.210 417.16 42,240 3,382.28 3,141 1,364 1,455 5,960 51,517 5,960 0,000000% 0.8750 5210 417.18 520 0.080073 00053295 HSR-ELVERNA 11-28 Weld 36.630 2.739.34 6.190 462.91 30.440 2.27643 4,220 1.380 1,471 7.071 39.770 7.071 0000000% 06750 6190 462.91 112 0.074784 00044995 HSR-STANLEY ODENBAUGH I2-12 Weld 50,150 3884.46 4,860 376.44 45,290 3,50802 2,592 1,432 1,527 5.552 54,449 5.552 0,000000% 0,8750 4860 376.44 120 0.077457 Page 36 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rot) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00042795 HSR-SCHMIDT 2-26 Weld 61,960 490896 4260 337.51 5],700 457145 2.828 985 1,050 4,863 67.271 4,863 0000000% 0.8750 4260 337.51 108 0.079228 00055195 HSR-LAUREN 8-6 Weld 34,9]0 2,800.16 5,640 451.61 29,330 2,348.55 3,482 1,436 1,532 6.451 3],96] 6.451 0000000% 08750 5640 451.61 520 0080073 00047395 HSR-FRED MAYER 3-15 Weld 22.530 1,676.98 4,130 307.41 18.400 1.369.9 2,675 988 1.054 4,716 24,461 4,716 0.000000% 0.8750 4130 30741 106 0.074433 00044795 HSR-CULLEN ODENBAUGH 11-12 Weld 44.710 3.463.10 5.690 440.73 39.020 3.022.37 2,603 1,890 2.016 6.508 48,592 6.508 0.000000% 0.8750 5690 440.73 120 0.077457 00047195 HSR-FRED MAYER5-15 Weld 42,080 3,132.14 5.060 376.63 37,020 2,755.51 2,675 1,506 1,606 5787 45,687 5,787 0.000000% 0.8750 5060 37663 106 0.074433 00052195 HSR-WILLIAM MAYER 3-22 Weld 35,040 2,608.14 4.800 357.28 30,240 2,250.86 2.585 1.402 1,495 5.482 38,043 5.482 0.000000% 0.8750 4800 357.28 106 0.074433 O0052295 HSR-WILLIAM MAYER 5-22 Weld 62.670 4,664.72 5.510 410.13 57,160 4,254.59 2.655 1764 1.881 6.300 68.042 6,300 0.000000% 0.8750 5510 410.13 106 0.074433 00044295 HSR-PESCO 5-11 Weld65.820 4,899.18 4,590 341.65 61,230 4,557.53 2.582 1,287 1.372 5,241 71,462 5,241 0.000000% 0.8750 4590 341.65 101 0.074433 O0046495 HSR-FRED MAYER 6-15 Weld 44,930 3,344.28 4,780 355.79 40.150 2,98849 2,675 1.350 1,440 5,464 48,781 5,464 0.000000% 0.8750 4780 355.79 106 0.074433 00043895 HSR-SCOTTDALE RANCH 7-2 Weld 36.820 2,851.96 5.440 421.37 31,380 2,430.59 2,609 1,746 1,862 6,217 39.976 6,217 0.000000% 0.8750 5440 421.37 120 0.077457 00053395 HSR-SHERRY5-28 Weld 31,000 2,318.30 4.050 302.88 26.950 2.01542 2,649 961 1.025 4,634 33,657 4,634 0.000000% 0.8750 4050 302.88 112 0.074784 00043195 HSR-SCOTTDALE RANCH 8-2 Weld 48.220 1734.95 5.310 411.30 42.910 3.323.65 2,609 1,672 1,783 6.064 52,353 6.064 0.000000% 0.8750 5310 411.30 120 0.077457 00044695 HSR-PESCO4-11 Weld 29.670 2,208.42 4,880 363.23 24,790 1,845.19 2,671 1,407 1,501 5.580 32,213 5,580 0.000000% 0.8750 4880 363.23 101 0.074433 00041395 HSR-CAROL MILLER 3-31 Weld 45.380 3,332.38 5,360 393.60 40,020 2,938.78 3.407 1,314 1.402 6,123 49,270 6,123 0.000000% 0.8750 5360 393.60 122 0.073433 00041495 HSR-CAROL MILLER 5-31 Weld 34.920 2,564.28 5,040 370.10 29,880 2,194.18 3,413 1,137 1,212 5,762 37,913 5,762 0.000000% 0.8750 5040 370.10 122 0.073433 00048695 HSR-ELLIOT FARMS 7-18 Weld 39,900 3,35786 5.360 451.08 34.540 2.90678 3.151 1,437 1.533 6.121 43,320 6.121 0.000000% 0.8750 5360 451.08 1313 0.084157 00047995 HSR-ELLIOT FARMS 2-18 Weld 50,350 4.237.30 6,890 579.84 43,460 3,55]46 4.823 1,476 1,574 7,872 54,666 7,872 0.000000% 0.8750 6890 579.84 1313 0.084157 00041595 HSR-CAROL MILLER 6-31 Weld 43,290 3,178.92 5,350 392.87 37.940 2,786.05 4,045 1,001 1,068 6.114 47,001 6,114 0.000000% 0.8750 5350 392.87 122 0.073433 O0048795 HSR-SEKICH FARMS 10-18 Weld 36,610 3,080.98 5,570 468.75 31.040 2,612.23 3,258 1,501 1,601 6,361 39.748 6,361 0.000000% 0.8750 5570 468.75 1313 0.084157 O0034595 HSR-MCREYNOLDS9-6 Weld 154,960 11,556.46 7,550 563.06 147,410 10,993.40 4,333 2,078 2,217 8,628 168,242 8,628 0.000000% 0.8750 7550 563.06 129 0.074577 00105295 HSR-TIM GITTLEIN 4-9 Weld 138.440 11,826.38 5,740 490.35 132,700 11,336.03 2,901 1.768 1,886 6,554 150.306 6,554 0.000000% 0.8750 5740 490.35 710 0.085426 00040995 HSR-MOSER6-26 Weld 69,410 5,306.88 5,870 448.80 63,540 4.858.08 3,071 1,759 1.877 6707 75,359 6,707 0.000000% 0.8750 5870 448.80 118 0.076457 00054295 HSR-SANDLIN4-36 Weld 21,920 1,631.58 6,430 478.60 15.490 1,152.98 4,597 1,330 1418 7.345 23,799 7,345 0.000000% 0.8750 6430 478.60 101 0.074433 00048895 HSR-SEKICH FARMS 9-18 Weld 28,240 2,37660 7.100 597.51 21.140 1,779.09 4.906 1,553 1.656 8.114 30,661 8,114 0.000000% 0.8750 7100 597.51 1313 0.084157 00105195 HSR-TIM GITTLEIN 5-9 Weld 156.050 13,330.72 5.300 452.76 150,750 12.87]96 2,838 1,558 1.661 6.057 169,426 6,057 0.000000% 0.8750 5300 452.76 710 0.085426 00051795 HSR-B/R'B'14-21 Weld 49,290 3,686.10 5,310 397.10 43.980 3,289.00 2,581 1,688 1,801 6,070 53,548 6,070, 0.062500% 0.8750 5310 397.10 110 0.074784 00105095 HSR-TIM GITTLEIN 6-9 Weld 145,840 12,458.52 5,220 445.92 140.620 12,012.60 3.042 1,417 1,511 5,970 158,341 5,970 0.000000% 0.8750 5220 445.92 710 0.085426 00054595 HSR-SANDLIN 3-36 Weld 24,090 1793.10 7,400 550.80 16,690 1.242.30 5,286 1.536 1,638 8,461 26,155 8.461 0.000000% 0.8750 7400 550.80 101 0.074433 O0052394 HOBE STATE 842-32 Weld 9,390 603.92 5,860 376.89 3,530, 227.03 5,179 1,197 1,277 7,653 11,651 7,653 12.500000% 08750 5860 376.89 302 0.064315 00041295 HSR-JOHN TUTTLE 9-7 Weld 36,800 2.739.14 5.640 419.80 31.160 2.319.34 3,091 1.622 1,730 6,442 39,954 6.442 0.000000% 0.8750 5640 419.80 101 0.074433 00104495 HSR-TIM GITTLEIN 3-9 Weld 131.220 11,209.60 8,190 699.64 123.030 10,509.96 6.096 1,581 1,686 9,363 142,467 9.363 0.000000% 0.8750 8190 699.64 710 0.085426 00054895 HSR-CHARLENE 2-36 Weld 24.240 1,804.26 6.220 462.97 18,020 1,341.29 4.349 1,336 1.425 7,111 26.318 7,111 0.000000% 0.8750 6220 462.97 101 0.074433 00051495 HSR'B/R"B'13-21 Weld 66,140 4,946.22 5,060 378.41 61.080 4.56]81 2,571 1,554 1.657 5,782 71,854 5,782 0.062500% 08750 5060 378.41 110 0.074784 00282495 HSR-ANNE STATE 9-7 Weld 38,570 2,585.30 10,700 717.21 27,870 1,868.09 11,498 1,197 1,277 13,973 47,858 13,973, 12.500000% 0.8750 10700 717.21 2065 0.067029 00104995 HSR-GUTTERSEN'A'10-3 Weld 49.940 4,331.90 4,840 419.83 45,100 3,912.07 3.037 1,207 1,288 5,532 54.221 5,532 0.000000% 0.8750 4840 419.83 789 0.086742 00051895 HSR-B/13'8'3-21 Weld 47,160 3,526.82 5,270 394.11 41.890 3.13251 3,581 1,182 1,261 5.024 51.202 6,024 0.000000% 0.8750 5270 394.11 110 0.074784 00096395 HSR-GUTTERSEN'A'9-3 Weld 48.970 4,247.76 4,430 384.27 44,540 3.86349 2,781 1.103 1-177 5,061 53.167 5061 0000000% 0.8750 4430 384.27 789 0.086742 00051995 HSR-B/R"B'4-21 Weld 61540 4.602.20 5,980 447.21 55,560 4.15499 3.497 1.614 1,721 6.832 66.815 6.832 0.000000% 0.8750 5980 447.21 110 0.074784 O0043095 FISH-RAPP 13-36 Weld 35.140 2.67780 5.770 439.70 29370 2.238,10 2,792 2.296 2.449 7,537 43,602 7,537 12.500000% 0.8750 5770 439.70 100 0.076204 Page 37 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate O0053695 HSR-B/R'C'8-29 Weld 40,520 3,030.24 4,780 357.47 35.740 2,672.77 2,431 1,465 1,563 5,459 43,993 5.459 0.000000% 0.8750 4780 357.47 112 0.074784 O0049095 HSR-B/R"D'9-20 Weld 44,470 4,339.24 5,170 504.47 39,300 3,834.77 2.963 1,425 1,520 5,908 48,282 5,908 0.000000% 0.8750 5170 504.47 1319 0.097577 00040095 HSR-EACHUS 3-23 Weld 95.510 7,302.40 4,460 341.00 91,050 6.96140 3.113 958 1.022 5.093 103,697 5,093 0.000000% 0.8750 4460 34100 118 0.076457 00104895 HSR-GUTTERSEN'A"15-3 Weld 45.920 3,983.20 5,280 45800 40.640 3,525.20 2,961 1,485 1,584 6,030 49,856 6,030 0.000000% 0.8750 5280 458.00 789 0.086742 O0053595 HSR-B/R"C"1-29 Weld 55,680 4,163.98 5,130 38364 50,550 3,780.34 2,449 1,653 1,763 5,864 60,453 5.864 0.000000% 08750 5130 383.64 112 0.074784 O0049295 HSR-B/R"D'16-20 Weld 60.390 5.892,68 4,770 465.44 55.620 5,427.24 2,654 1,352 1,442 5.448 65,566 5.448 0O00000% 0.8750 4770 465.44 1319 0O97577 00104795 HSR-GUTTERSEN'A"16-3 Weld 60770 5.271.32 4,950 429.37 55,820 4.841.95 2.745 1,408 1,502 5,656 65.979 5,656 0.000000% 0.8750 4950 429.37 789 0.086742 O0039295 HSR-EACHU54-23 Weld 183.030 13,9933.92 4,720 360.88 178,310 13.63304 3,024 1,149 1,226 5,400 198,718 5,400 0.000000% 0.8750 4720 360.88 118 0.076457 O0096295 HSR-TRIPLE'8'8-25 Weld 71,680 4,721.64 4,780 314.86 66.900 4.40678 3,876 766 817 5.458 77,824 5,458 0.000000% 0.8750 4780 314.86 317 0.065871 O0033395 HSR-WEEKS 9-17 Weld 65,430 5,448.02 4,600 383O2 60.830 5,065.00 2,989 1097 1,170 5,255 71,038 5,255 0.000000% 0.8750 4600 383O2 730 0.083265 O0043995 HSR-HUFFMAN9-2 Weld 40.840 3.163.34 4,830 374.12 36,010 2,789.22 2,563 1,432 1,528 5,522 44,341 5,522 0O00000% 0.8750 4830 374.12 120 0.077457 O0033295 HSR-WEEKS 10-17 Weld 124.560 10.37148 5,640 469.61 118,920 9901.87 3,781 1.288 1,374 6.443 135.237 6.443 0.000000% 0.8750 5640 469.61 730 0.083265 O0039595 HSR-EACHUS 5-23 Weld 132,420 10,124.44 4,510 344.82 127,910 9,77962 2,815 1,130 1,205 5,151 143,770 5,151 0.000000% 0.8750 4510 344.82 118 0.076457 O0033495 HSR-WEEKS 15-17 Weld 57,260 4,76]76 4,970 41383 52,290 4.35393 2.835 1,375 1,467 5,676 62,168 5,676 0.000000% 0.8750 4970 413.83 730 0.083265 O0033995 HSR-GUTTERSEN'B'3-21 Weld 106.000 9,194.66 4,920 426.77 101,080 8,767.89 3,001 1.270 1,355 5,627 115,086 5.627 0.000000% 0.8750 4920 426.77 789 0.086742 O0035095 HSR-FRICO 1-22 Weld 58.750 4,491.84 4,180 319.59 54,570 4,172.25 2,493 1,108 1,182 4,783 63.786 4,783 0.000000% 0.8750 4180 319.59 118 0.076457 O0044095 HSR-HUFFMAN 16-2 Weld 52,410 4,059.52 5,100 395.03 47,310 3,664.49 2,827 1,450 1,547 5,824 56,902 5,824 0.000000% 0.8750 5100 395.03 120 0.077457 O0033695 HSR-GUTTERSEN'B'4-21 Weld 95,000 8,240.50 5.070 439.78 89.930 7,800.72 2,737 1480 1.579 5.796 103,143 5,796 0.000000% 0.8750 5070 439.78 789 0.086742 O0034095 HSR-GUTTERSEN'8'5-21 Weld 80,790 7.007.88 5,120 444.12 75,670 6,56376 2,826 1,462 1,559 5,847 87,715 5,847 0O00000% 0.8750 5120 444.12 789 0.086742 O0279095 HSR-MIKE GUTTERSEN 16-17 Weld 118.830 9,894.38 5,060 421.32 113,770 9,473.06 2,841 1.423 1,518 5,782 129,015 5,782 0.000000% 08750 5060 421.32 730 0.083265 O0049195 HSR-B/R'D'10-20 Weld 45,130 4.403.66 4.650 453./3 40,460 3,949.93 2,491 1,365 1.456 5,312 48,998 5,312 0.000000% 08750 4650 453.73 1319 0.097577 O0049495 HSR-B/R'D'15-20 Weld 50,820 4,95886 4,460 435.19 46,360 4,523.67 2,747 1,136 1,212 5,095 55.176 5.095 0.000000% 0.8750 4460 435.19 1319 0O97577 O0040295 HSR-HOFFMAN 3-24 Weld 45,110 3,528.86 5,040 394.27 40.070 3,134.59 2.779 1,442 1.538 5.760 48,977 5,760 0.000000% 0.8750 5040 394.27 102 0.078228 O0034295 HSR-GUTTERSEN'8'6-21 Weld 23.730 2,058.38 5.020 43544 18.710 1.622,94 2.439 1,595 1.701 5,736 25,764 5,736 0.000000% 0.8750 5020 435.44 789 0.086742 O0104695 HSR-ALVIN DECHANT 12-8 Weld 77,360 6,441.38 4.640 386.35 72,720 6,055.03 2,887 1,168 1,246 5.301 83,991 5,301, 0.000000% 0.8750 4640 38635 730 0.083265 O0034695 HSR-FRICO 7-22 Weld 119,810 9,160.32 4,410 337.18 115,400 8,823.14 2,/71 1.100 1,173 5.044 130,079 5.044 0,uvevuu% 0.6750 4410 337.18 118 0.076457 O0034895 HSR-FRICO 2-22 Weld 141,620 10,827.84 4,420 337.94 137,200 10,489.90 2,775 1,099 1.172 5,046 153,759 5.046 0.000000% 0.8750 4420 33794 118 0.076457 O0104595 HSR-ALVIN DECHANT 13-8 Weld 40,240 3,35058 5.000 416.33 35,240 2.934.26 2.787 1,417 1.511 5,715 43,689 5.715 0.000000% 0.8750 5000 416.33 730 0.083265 O0036695 HSR-FRICO 8-22 Weld 63,190 4,831.32 4,500 344.06 58,690 4.48726 2.843 1.114 1.189 5.145 68.606 5.145 0.000000% 0.8750 4500 344.06 118 0.076457 O0101295 HSR-BENIRSCHKE 10-23 Weld 68,160 5,21130 4.270 326.47 63.890 4,884.83 2,738 1,039 1,108 4,884 74,002 4,884 0.000000% 0.8750 4270 326.47 118 0.076457 O0054995 HSR-VIOLA 16-36 Weld 27,020 2,092.88 3.990 309.05 23.030 1,783.83 2,636 932 994 4.561 29,336 4,561 0.000000% 0.8750 3990 309.05 120 0.077457 O0279195 HSR-DECHANT 5-25 Weld 99,360 6.574.16 6,030 398.97 93,330 6,175.19 5,083 876 934 6,892 107,877 6,892 0.000000% 0.8750 6030 398.97 332 0.066165 O0042595 HSR-KARICH 1-32 Weld 31,750 2,331.50 4.640 34073 27,110 1,99077 2,594 1.309 1,396 5,300 34,471 5.300 0O00000% 0.8750 4640 34073 122 0O73433 O0041695 HSR-KARICH 8-32 Weld 40,870 3,001.20 5,050 370.84 35,820 2,630.36 2,594 1,535 1,637 5,766 44,373 5766 0.000000% 0.8750 5050 37084 122 0.073433 O0053995 HSR-VIOLA 15-36 Weld 26,820 2,077.40 4.530 350.88 22,290 1,726.52 2.654 1,222 1.303 5,179 29,119 5,179 0.000000% 0.8750 4530 350.88 120 0.077457 O0054195 HSR-VIOLA9-36 Weld 26,560 2.057.26 4.310 333.84 22,250 1.723,42 2,729 1,061 1.131 4.921 28.837 4.921 0.000000% 0.8750 4310 333.84 120 0O77457 O0103595 HSR-DAVID SARCHET 16-28 Weld 33.410 2.491.62 6,170 460 Id 27.240 2.03148 2425 2.236 2.385 7.046 36.274 7.046 0.000000% 0.8750 6170 460.14 129 0O74577 00042195 HSR-KARICH 7-32 Weld 45,820 3.364.70 4.940 362.76 40.880 3001.94 2,667 1440 1,536 5.643 49,747 5,643 0.000000% 08750 4940 36276 122 0.073433 00052095 HSR-B/R"D'8-20 Weld 20.380 1.715 12 5,820 489.79 14,560 1.225.33 3,427 1,560 1,664 6,651 22.127 6,651 0.000000% 0.8750 5820 489.79 1313 0.084157 Page 38 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00042395 HSR-KARICH 2-32 Weld 31,570 2,318.28 4.840 355.42 26.730 1,962.86 2.913 1.266 1,351 5.530 34,276 5.530 0.000000% 0.8750 4840 355.42 122 0.073433 00103195 HSR-CANNON 10-35 Weld 11,770 864.30 3,240 237.92 8,530 626.38 2.531 566 604 3,701 12.779 3.701 0.000000% 0.8750 3240 237.92 122 0.073433 O0049795 HSR-B/R'D'7-20 Weld 56.730 5.535.54 6.390 623.52 50,340 4,912.02 4,604 1,304 1,391 7.300 61,593 7,300 0.000000% 0.8750 6390 623.52 1319 0.09757] 00103895 HSR-MELVIN CAMP 11-31 Weld 28,900 2.155.28 6,340 472.82 22,560 1,68246 3.992 1.572 1,677 7,241 31,377 7,241 0.000000% 08750 6340 472,82 129 0.074577 00103895 HSR-MELVIN CAMP 11-31/HSR-MELV Weld 28,900 2,155.28 2,840 211,80 26,060 1,943.48 0 1,572 1,677 3.249 31,377 3.249 0.000000% 0.8750 2840 211.80 129 0.074577 00103695 HSR-BARCLAY 2-28 Weld 31,970 2,384.22 3,870 288.61 28,100 2,09561 2,605 879 937 4,421 34.710 4,421 0.000000% 0.8750 3870 288.61 129 0.074577 00103295 HSR-MADELINE MAYER 11-34 Weld 29,270 2,149.38 4.510 331.18 24.760 1,818.20 4,101 510 544 5,154 31.779 5.154 0.000000% 0.8750 4510 331.18 122 0.073433 00103995 HSR-RUTH CAMP 15-31 Weld 28,330 2.11276 5,850 436.28 22,480 1,676.48 4,148 1,226 1,308 6,683 30.758 6,683 0.000000% 0.8750 5850 43628 129 0.074577 00103395 HSR-MADELINE MAYER 12-34 Weld 57.360 4,212.12 3.100 227.64 54.260 3.98448 2,525 491 524 3,540 62,277 3,540 0.000000% 0.8750 3100 227.64 122 0073433 00104195 HSR-MELVIN CAMP 12-31 Weld 21,970 1,638.46 5,650 421.36 16.320 1,217.10 3,974 1,200 1,280 6,454 23,853 6,454 0.000000% 0,8750 5650 421.36 129 00745]7 00103495 HSR-PAUL SCHMIDT 16-33 Weld 41,040 3,013.70 3,510 257,75 37,530 2,755,95 2.416 773 825 4,014 44,558 4,014 0.000000% 0.8750 3510 257.75 122 0073433 00102695 HSR-HOBS STATE 2-32 Weld 46,670 3,001.58 6,170 39682 40.500 2.604.76 4750 1,603 1 710 8063 57.909 8.063 12.500000% 0.8750 6170 396.82 302 0.064315 00101195 HSR-LLOYD CAMP 13-31 Weld 30,130 2,247.00 5.640 42061 24,490 1,826.39 3,943 1,211 1292 6,446 32,713 6.446 0.000000% 0,8750 5640 420.61 129 0.074577 00101095 HSR-LLOYD CAMP 14-31 Weld 42.320 3,156.10 6.340 472.82 35.980 2,683.28 3,912 1,612 1720 7,244 45.947 ]244 0.000000% 08750 6340 472.82 129 0.074577 00048395 HSR-SAI AJAR5-20 Weld 54.630 4,597.50 4,690 394.70 49,940 4,202.80 2,876 1.202 1,282 5,360 59,313 5,360 0.000000% 0.8750 4690 394.70 1313 0.084157 00048495 HSR-SAI AZAR 6-20 Weld 68,880 5.796.74 5,490 462.02 63,390 5.334.72 3,166 1,504 1,604 6.274 74,784 6.274 0.000000% 0.8750 5490 462.02 1313 0.084157 00048595 HSR-BINDER 5-15 Weld 34,320 2,762.32 4,710 379.09 29,610 2.383.23 2,977 1,164 1,242 5,383 37,262 5,383 0.000000% 0.8750 4710 379.09 557 0.080487 O0049695 1159-BINDER 6-15 Weld 38,790 3,122.10 4,140 333.22 34,650 2.788.88 2,909 883 941 4,733 42,115 4,733 0.000000% 0.8750 4140 333.22 557 0.080487 00100795 HSR-SELBY 1-32 Weld 46,130 3,69376 5,120 409.97 41,010 3,28379 3.427 1176 1,254 5,857 50.084 5.857 0.000000% 0.8750 5120 409,97 520 0.080073 00100695 HSR-SELBY 8-32 Weld 40.040 3.206.12 4,590 367.54 35,450 2,838.58 2,632 1,263 1,348 5,243 43,472 5,243 0.000000% 08750 4590 367.54 520 0.080073 00102295 HSR-LDS'A'9-8 Weld 44,910 3,855.08 4,340 372.55 40.570 3,482.53 2.642 1,124 1,198 4,964 48,759 4,964 0.000000% 0.8750 4340 372,55 753 0.08584 00102095 HSR-LDS"A"16-8 Weld 99.750 8.562,54 5,420 465.25 94.330 8,09729 3.086 1,502 1,602 6,190 108,300 6,190 0.000000% 0.8750 5420 465,25 753 0.08584 00101795 HSR-LDS'A'3-8 Weld 83,530 7,170.22 5,240 449.80 78.290 6,72042 2,775 1.557 1,661 5.992 90,690 5,992 0.000000% 0.8750 5240 449.80 753 0.08584 O0099895 HSR-LDS'A'6-8 Weld 103,100 8,850.10 4,550 390.57 98,550 8,459.53 2,775 1.175 1,253 5,203 111.937 5,203 0.000000% 0,8750 4550 390,57 753 0,08584 00099495 HSR-PAUL SCHMIDT 12-33 Weld 34,060 2,501.12 3,030 222.50 31,030 2,278.62 2.435 497 530 3.462 36.979 3,462 0.000000% 0.8750 3030 222.50 122 0,073433 00099795 HSR-PAUL SCHMIDT 13-33 Weld 23,880 1,753.58 4,290 315.03 19,590 1,438.55 3,598 632 674 4,904 25,927 4,904 0000000% 0.8750 4290 315.03 122 0.073433 00099695 1159-FEDERAL 8-36 Weld 34.290 2,557.24 2.780 207.32 31.510 2.349.92 2,623 490 523 3,636 42,548 3,636 12.500000% 0.8750 2780 207.32 129 0.074577 00048195 HSR-FEDERAL 5-36 Weld 23,360 1.742.12 4,040 301.29 19.320 1,440.83 4,250 496 529 5,274 28,985 5,274 12.500000% 0,8750 4040 301.29 129 0.074577 00382094 HSR-NILES 3-33 Weld 34.690 2,54740 3,670 269.50 31,020 2,277.90 2,848 654 697 4,200 37.663 4.200 0.000000% 0.8750 3670 269.50 122 0.073433 00099195 HSR-GITTLEIN D4-3 Weld 58.450 4,993.14 6,050 516.83 52,400 4,476.31 2,778 2,000 2,133 6,911 63,460 6,911 0.000000% 0.8750 6050 51683 710 0.085426 00099295 HSR-REX 4-33 Weld 39,830 2.924.84 3.780 277.58 36,050 2,647.26 2.967 653 696 4,316 43,244 4.316 0.000000% 0,8750 3780 277.58 122 0.073433 00102595 HSR-GITTLEIN,D 5-3 Weld 77,560 6,62564 5,320 45447 72,240 6,171.17 2,758 1.607 1,714 6.079 84.208 6.079 0.000000% 0.8750 5320 45447 710 0,085426 00099395 HSR-FEDERAL 6-36 Weld 40.420 3.01440 2,820 210.31 37,600 2,804.09 2,559 545 582 3.686 50,154 3,686 12.500000% 0.8750 2820 210.31 129 0,074577 00099095 HSR-FEDERAL 7-36 Weld 48,920 3,648.30 2.480 184.95 46,440 3.463,35 2,601 306 326 3.234 60,701 3,234 12.500000% 0.8750 2480 184.95 129 0.074577 00098995 HSR-GITTLEIN L6-3 Weld 64,070 5.473,24 5,150 439.94 58.920 5.03330 3,173 1,311 1,398 5,882 69,562_ 5,882 0.000000% 0.8750 5150 439.94 710 0.085426 00098895 HSR-FEDERAL 9-36 Weld 28,090 2,094.86 3,790 282.65 24,300 1,812.21 4.049 433 462 4.944 34,855 4,944 12.500000% 0.8750 3790 282.65 129 0,074577 00102495 HSRGITTLEIN,L 3-3 Weld 46.300 3,955.22 5,930 506.58 40370 3.44864 ?.268 1 696 1 809 6.773 50.269 6,773 0000000% 08750 5930 50658 710 0.085426 00098795 HSR-LOS"A111-8 Weld 95.570 8.20372 4.610 39572 90.960 7.508.00 2886 1.152 1.229 5.268 103.762 5.268 0.000000% 0.8750 4610 395.72 753 008584 00102395 HSR LDS'A'14-8 Weld 122700 10.532.56 4.570 392 29 118 130 10140.27 2 851 1.145 1 222 5 218 133.717 5.218 0.000000% 0.8750 4570 392.29 753 0.08584 Page 39 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Ron) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00102995 HSR-SEKICH FARMS 1-20 Weld 50410 4,242.36 4,150 349.25 46260 3,893.11 2,510 1,083 1,155 4,748 54,731 4,748 0.000000% 0.8750 4150 349.25 1313 0.084157 O0098495 HSR-SEKICH FARMS 4-20 Weld 66,260 5,576.24 5.000 42079 61.260 5,155.46 2,485 1,561 1.665 5,712 71,939 5,712 0000000% 0.8750 5000 420.79 1313 0.084157 00098695 HSR-LDS'A'10-8 Weld 155.630 13,359.28 5,400 463.54 150,230 12.89574 2.997 1,537 1.639 6,172 168,970 6.172 0.000000% 0.8750 5400 463.54 753 0.08584 00101995 HSR-LDS'A'15-8 Weld 97,880 8,40202 4,670 400.87 93,210 8,001.15 2,811 1,222 1,303 5,336 106,270 5,336 0.000000% 0.8750 4670 40087 753 0.08584 00098595 HSR-LOST CREEK 12-14 Weld 121.070 7,786.62 9,340 600.70 111,730 7.185 92 4762 2,862 3.053 10.676 131.447 10.676 0.000000% 0.8750 9340 600.70 302 0.064315 00102895 HSR-SEKICH FARMS 2-20 Weld 46.560 3.918.34 4,800 403.95 41,760 3.51439 2,647 1,373 1464 5.484 50,551 5.484 0.000000% 0.8750 4800 403.95 1313 0.084157 00101895 HSR-LDS'A'4-8 Weld 73,480 6,307.52 4,950 424.91 68.530 5,882.61 2,871 1,349 1,439 5,659 79,778 5,659 0.000000% 0.8750 4950 424.91 753 0.08584 00102795 HSR-CERVI/FED 11-29 Weld 39,800 2,559.74 6,660 428.34 33,140 2,131.40 3,867 2,291 2.444 8,602 48.803 8.602 11.458330% 0.8750 6660 428.34 302 0.064315 00102195 HSR-L0S'A'5-8 Weld 85,210 7,314.42 5,310 455.81 79.900 6,85861 2,891 1,537 1,640 6,068 92,514, 6,068 0.000000% 0.8750 5310 455.81 753 0.08584 00101395 HSR-LDS'B'4-17 Weld 73,050 6.052.26 5.700 472.25 67,350 5,580.01 2,788 1,801 1,921 6,509 79.311 6,509, 0.000000% 0.8750 5700 472.25 708 0.082851 00100895 HSR-GUTFELDER 3-30 Weld 28,960 2,155.58 4.350 323.78 24,610 1,831.80 2,392 1,248 1,331 4,970 31,442 4,970 0.000000% 0.8750 4350 323.78 106 0.074433 00100995 HSR-GUTFELDER 4-30 Weld 31,570 2,349.84 5,260 391.52 26,310 1,958.32 2.489 1,704 1,818 6.010 34,276 6,010 0.000000% 0.8750 5260 391.52 106 0.074433 _ 00098395 HSR-CERVI STATE#4-32 Weld 6,420 412.90 5,880 378.17 540 34.73 3,459 2,042 2,178 1,680 7,966 7,680 12.500000% 0.8750 5880 378.17 302 0064315 00098295 HSR-KAMMERZELL 15-25 Weld 54,520 4,222.96 4,540 351.65 49.980 3,871.31 2,736 1,187 1,266 5,189 59,193 5,189 0.000000% 0.8750 4540 351.65 121 0.077457 00097895 HSR-KAMMERZELL 16-25 Weld 43,110 3,339.18 5,050 391.16 38,060 2,948.02 2,561 1,551 1,655 5767 46,505 5,767 0.000000% 0.8750 5050 391.16 121 0077457 00101695 HSR-LDS'B'5-17 Weld 89.170 7,387.82 5,360 444.08 83,810 6,943,74 2,779 1,618 1,726 6.123 96,813 6,123 0.000000% 0.8750 5360 444.08 708 0082851 00098195 HSR-LDS'B-3-17 Weld 111.480 9,236.22 5,520 45]34 105,960 8,778.88 3,025 1,589 1.695 6.309 121,035 6,309 0.000000% 0.8750 5520 45]34 708 0.082851 00098095 HSR-LDS'B'6-17 Weld 108.840 9.017.50 5.090 42171 103,750 8,595.79 2,780 1,471 1,569 5,820 118.169 5.820 0.000000% 0.8750 5090 421.71 708 0.082851 00097495 HSR-BEIERLE 14-26 Weld 28,970 2,160.50 3,230 240.88 25.740 1,919.62 2,399 624 666 3,689 31,453 3.689 0.000000% 0.8750 3230 240.88 129 0.074577 00279395 HSR-LOST CREEK STATE 6-14 Weld 53,530 3,442.78 8,010 515,16 45,520 2,927.62 3,388 3,425 3,653 10,466 66,421 10,466 12.500000% 0.8750 8010 515.16 302 0.064315 00097195 HSR-SEKICH 4-19 Weld 54,5/0 4,592.44 4,620 38881 49,950 4,203.63 2,764 1,227 1,309 5.301 59,419 5,301 0.289204% 0.8750 4620 388.81 1313 0.084157 O0096995 HSR-SEEWALD 11-31 Weld 55.420 4,457.10 5.890 473,70 49,530 3,983.40 2,524 2,034 2,169 6,727 60,170 6,727 0.000000% 0.8750 5890 473.70 542 0.080424 00100095 HSR-GUTTERSEN 3-33 Weld 63,570 4,114.82 5,990 387.73 57,580 3,727.09 4,022 1,365 1,455 6.842 69,019 6,842 0.000000% 0.8750 5990 387.73 328 0.064729 00100395 HSR-NIES 15-15 Weld 51,320 4,042.98 4,620 363.96 46,700 3,679.02 2,728 1,236 1,318 5,281 55,719 5,281 0.000000% 0.8750 4620 363.96 558 0.07878 00097095 HSR-LOST CREEK/STATE 3-14 Weld 66,770 4,294.32 10,380 667.59 56,390 3,626,73 6,890 3.224 3,439 13,553 82,849 13,553 12.500000% 0.8750 10380 66759 302 0.064315 00100195 HSR-WASTE SERVICES 10-26 Weld 128,920 8,344.86 5.130 332.06 123.790 8,012,80 3.542 1,121 1,195 5,858 139,970 5130 332.06 328 0064729 00100295 HSR-WASTE SERVICES 4-34 Weld 41,520 2,687.54 5.010 324.29 36,510 2.363.25 2.899 1.368 1459 5.725 45,079 5,725 0.000000% 0.8750 5010 324.29 328 0.064729 00133393 BERNHARDT 1-36 Weld 21,900 1,762.66 3,680 296.19 18.220 1,466.47 2,633 898 1,277 4.808 27,174 4,808 12.500000% 0.8750 3680 296.19 557 0.080487 00133493 BERNHARDT 2-36 Weld 27.440 2,208.56 3.760 302.63 23,680 1,905.93 2.633 998 1,277 4,908 34.048 4.908 12.500000% 0.8750 3760 302.63 557 0.080487 00134093 BERNHARDT 3-36 Weld 24,520 1,973.54 3.880 312.29 20,640 1,661.25 2,788 998 1,277 5,063 30,425 5.063 12.500000% 0.8750 3880 312.29 557 0.080487 00133593 BERNHARDT 4-36 Weld 32,240 2,594.90 3.790 305.05 28,450 2,289.85 2,677 998 1,277 4,951 40,004 4,951 12.500000% 0.8750 3790 305.05 557 0.080487 00279495 SHULTZ STATE 16-1 Weld 27,310 2.198.10 3,810 306.66 23,500 1,891.44 2,701 998 1,277 4,976 33,887 4,976 12.500000% 0.8750 3810 306.66 556 0O80487 00279595 SHULTZ STATE 16-8 Weld 27.420 2,206.96 3,770 303.44 23,650 1,903.52 2.644 998 1,277 4,918 34,023 4,918 12.500000% 0.8750 3770 303.44 556 0O80487 00279695 GRAY STATE 16-6 Weld 54,570 4,392.18 4,940 397.61 49,630 3.994.57 1,929 1,717 1,998 5.645 59,247 5,645 0.000000% 0.8750 4940 397.61 557 0O80487 00100495 HSR-TUTTLE 4-8 Weld 49,300 3,669.54 3,470 258.28 45.830 3,411.26 2,593 664 708 3,964 53,526 3.964 0.000000% 0.8750 3470 258.28 101 0.074433 00100595 HSR-TUTTLE 5-8 Weld 50,060 3,726.12 4,730 35207 45.330 3,37405 2.917 1205 1,285 5,408 54,351 5,408 0.000000% 0.8750 4730 352.07 101 0.074433 00618796 HSR-TUTTLE 3-8 Weld 48.820 3,633.82 4.340 323.04 44.480 3.31078 3.082 944 930 4,957 53,005 4.957 0.000000% 0.8750 4340 323.04 101 0.074433 00618896 HSR-TUTTLE 6-8 Weld 52,560 3,91220 5.140 382,59 47,420 3,529.61 2.639 1,631 1,606 5.876 51,065 5,876 0.000000% 0.5750 5140 382.59 101 0074433 00620896 HSR-RADEMACHER 12-30 Weld 40,840 3,436.98 4.430 372.82 36,410 3,064.16 2,467 1,307 1.286 5.060 44,341 5060 0.000000% 08750 4430 372.82 1313 0084157 Page 40 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate.I Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate.! Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00613096 HSR-M J FARMS 12-7 Weld 51,620 3,998.34 4,310 333.84 47.310 3.664.50 2.691 1,127 1.110 4,928 56.045 4.928 0.000000% 0.8750 4310 333.84 121 0.077457 01055696 HSR-MJ FARMS 11-7 Weld 47,250 3,659.84 3.980 308.28 43,270 3,351.56 2,507 1,061 1,044 4611 51,965 4.611 1.279688% 0.8750 3980 308.28 121 0.077457 00620296 HSR-CONNIE 1-18 weld 42.010 3,535.44 3,960 333.26 38,050 3,202.18 2,527 1,009 993 4,529 45,611 4,529 0.000000% 0.8750 3960 333.26 1313 0.084157 00613196 HSR-M J FARMS 13-7 Weld 50,080 3,879.04 3,670 284.27 46,410 3,594.77 2,526 838 825 4.189 54,373 4,189 0.000000% 0.8750 3670 284.27 121 0.077457 00612996 HSR-M J FARMS 14-7 Weld 41,980 3,251.64 3.430 265.68 38,550 2,985.96 2,470 754 742 3.966 46,169 3.966 1.279688% 0.8750 3430 265.68 121 0.077457 00620496 HSR-MAYER 6-22 Weld 64,520 4,80242 5,240 390.03 59,280 4,412.39 2,549 1,732 1,706 5,986 70,050 5,986 0.000000% 0.8750 5240 390.03 106 0.074433 00096595 HSR-SARCHET,M 3-35 Weld 50.12D 3.730.58 3,680 273.91 46.440 3.456.67 2,608 774 826 4,208 54,416 4,208 0.000000% 0.8750 3680 273.91 101 0.074433 01055296 HSR-SARCHET.M 4-35 Weld 56,310 4,191.32 4,260 317.08 52.050 3,874.24 2.456 1,216 1,197 4,869 61,137 4,869 0.000000% 0.8750 4260 317.08 101 0.074433 01054796 HSR-FEDERAL 11-36 Weld 46,620 3.47678 2,590 193.15 44.030 3.283.63 2,579 406 399 3.384 57,847 3.384 12.500000% 0.8750 2590 193.15 129 0.074577 01054296 HSR-FEDERAL 14-36 Weld 45,580 3,399.22 2,410 179.73 43,170 3,219.49 2,513 318 313 3,144 56.556 3,144 12.500000% 0.8750 2410 179.73 129 0.074577 00615996 HSR-DAVIS,V 4-26 Weld 55,950 4,164.52 4,430 329.74 51,520 3,834.78 3,033 1,026 1,010 5,069 60,746 5,069 0.000000% 0.8750 4430 329.74 106 0.074433 00615796 HSR-DAVIS,V 5-26 Weld 58,720 4,370.70 4,040 300.71 54,680 4,069.99 2,707 965 950 4,622 63,753 4,622 0.000000% 0.8750 4040 300.71 106 0.074433 00620596 HSR-RADEMACHER 14-30 Weld 32,460 2,731.74 4,510 379.55 27,950 2,352.19 2,610 1,282 1,262 5,153 35,242 5,153 0.000000% 0.8750 4510 379.55 1313 0.084157 00620196 HSR-MARGARET 8.18 Weld 35,130 2.956.44 4.170 350.93 30,960 2,605.51 2.526 1,130 1.113 4.769 38,141 4,769 0.000000% 0.8750 4170 350.93 1313 0.084157 00619996 HSR-SEKICH"A"9-17 Weld 62,860 5.290.10 4,590 386.28 58,270 4,903.82 3.538 860 847 5,245 68,248 5,245 0.000000% 0.8750 4590 386.28 1313 0.084157 01054896 HSR-FEDERAL 16-36 Weld 46,610 3.476.04 2.820 210.31 43.790 3,265 73 2,764 466 459 3,688 57.834 3.688 12.500000% 0.8750 2820 210.31 129 0.074577 00615896 HSR-DAVIS.V 6-26 Weld 52,220 3,886.90 4,460 331.97 47,760 3,554.93 2.725 1,196 1,177 5.097 56,696 5,097 0.000000% 0.8750 4460 331.97 106 0.074433 O0620696 HSR-RADEMACHER 13-30 Weld 71,020 5,976.84 4,030 339.15 66,990 5,637.69 2,467 1,075 1,058 4,601 77,107 4,601 0.000000% 0.8750 4030 339.15 1313 0.084157 00620796 HSR-MUHME 6-30 Weld 38740 3,260.24 6,160 518.41 32,580 2,741.83 2,581 2,249 2,215 7,045 42.061 7,045 0.000000% 0.8750 6160 518.41 1313 0.084157 00619296 HSR-SEKICH"A"16-17 Weld 71.500 6.017.22 4.640 390.49 66.860 5,626.73 3,001 1.160 1,142 5,303 77,629 5,303 0.000000% 0.8750 4640 390.49 1313 0.084157 00619896 HSR-SEKICH"A"10-17 Weld 41.060 3.45548 4,760 400.59 36.300 3,054.89 2,993 1.233 1,214 5.440 44,579 5,440 0.000000% 0.8750 4760 400.59 1313 0.084157 00615696 HSR-DAVIS,V 3-26 Weld 54.880 4,084.88 5.020 373.65 49,860 3,711.23 3,060 1,346 1,325 5.731 59,584 5.731 0.000000% 0.8750 5020 373.65 106 0.074433 00619396 HSR-SEKICH'A'15-17 Weld 52,270 4,398.88 4,280 360.19 47,990 4,038.69 2,538 1,184 1,166 4,889 56,750 4,889 0.000000% 0.8750 4280 360.19 1313 0.084157 00621296 HSR-SCOTTDALE RANCHES 4-35 Weld 51,250 3,969.68 4.830 374.12 46,420 3,595.56 2,949 1,295 1,275 5,519 55,643 5.519 0.000000% 0.8750 4830 374.12 120 0.077457 00619796 HSR-SEKICH"A"11-17 Weld 52370 4,407.30 5,280 444.35 47.090 3,962.95 3.577 1.239 1.220 6.036 56.859 6.036 0.000000% 0.8750 5280 444.35 1313 0.084157 00618996 HSR-W.C.L.4-1 Weld 52,430 4,061.08 4,480 347.01 47,950 3,714.07 2,510 1,315 1,294 5,119 56,924 5,119 0.000000% 0.8750 4480 347.01 121 0.077457 00619496 HSR-SEKICH"A"14-17 Weld 73,770 6,20826 4,950 416.58 68,820 5,791.68 3.401 1,138 1,120 5,659 80,093 5,659 0.000000% 0.8750 4950 416.58 1313 0.084157 00619696 HSR-SEKICH"A"12-17 Weld 76,130 6,406.88 5,520 464.55 70,610 5,942.33 3.189 1,571 1.547 6,306 82,655 6.306 0.000000% 0.8750 5520 464.55 1313 0.084157 00619196 HSR-HARDIN 5-1 Weld 56.270 4,358.50 4.050 313.70 52,220 4044.80 2.392 1.127 1.110 4,629 61,093 4,629 0.000000% 0.8750 4050 313.70 121 0.077457 00621396 HSR-SCOTTDALE RANCHES 12-35 Weld 80,640 6,246.14 4,190 324.54 76,450 5,921.60 2.673 1,068 1,052 4,792 87,552 4,792 0.000000% 0.8750 4190 324.54 120 0.077457 00619596 HSR-SEKICH'A'13-17 Weld 56,320 4,739.72 4,540 382.07 51,780 4,357.65 2,463 1,374 1,353 5,191 61,147 5,191 0.000000% 0.8750 4540 382.07 1313 0084157 00620096 HSR-SEKICH"A"6-17 Weld 73,070 6,149.36 5,010 421.63 68,060 5,72773 3,032 1,360 1,339 5.731 79,333 5,731 0.000000% 0.8750 5010 421.63 1313 0.084157 00601396 HSR-SEKICH FARMS 16-18 Weld 48,000 4,039.54 4,420 371.97 43,580 3,667.57 2,689 1.191 1,173 5.053 52.114 5,053 0.000000% 0.8750 4420 371.97 1313 0.084157 00620396 HSR-SEKICH FARMS 15-18 Weld 57,450 4,834.82 4,830 406.48 52,620 4,428.34 2,754 1,394 1,373 5.521 62,374 5,521 0.000000% 0.8750 4830 406.48 1313 0.084157 01054196 HSR-SCOTTDALE RANCHES 13-35 Weld 81,710 6,329.02 4,080 316.02 77,630 6,013.00 2,569 1.057 1,041 4,668 88,714 4,668 0.000000% 0.8750 4080 316.02_ 120 0.077457 00608396 HSR-LOST CREEK/STATE 14-11 Weld 201.560 12,963.34 7,290 468.86 194.270 1249448 6,871 1.336 1.316 9.523 250.099 9.523 12.500000% 0.8750 7290 468.86 302 0.064315 00631296 HSR-BELL 125 Weld 64450 4797.20 4,400 327.51 60050 4.469.69 2.655 1,254 1,234 5 71.539 5.142 2.187500% 0.8750 4400 327.51 101 0.074433 00601496 HSRSCOITDALE RANCHES 14-35 Weld 53.970 4.18096 3.940 305.18 50.030 3.875.18 2,450 1,037 1.021 4.507 58596 4.507 0000000% 0.8750 3940 305.18 120 0.077457 00601896 HSR.CREASON 11-5 Weld 57,600 4.28734 4510 335.69 53,090 3.951.65 2,764 '.262 1.243 5.269 63.936 5.269 2.187500% 0.8750 4510 335.69 101 0.074433 Page 41 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (ROB) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 01055096 HSR-FOSTER 3-35 Weld 138.480 10.58776 5.330 407.52 133,50 10,180.24 2,989 1,562 1.538 6,089 150,350 6,089 0000000% 0.8750 5330 407.52 118 0.076457 01053896 HSR-GUTTERSEN 4-33 Weld 74,190 4.802.24 4.750 30]46 69,440 4494.78 3,872 786 774 5.432 80.549 5.432 0.000000% 0.8750 4750 307.46 328 0.064729 01054096 HSR-WASTE SERVICES 9-26 Weld 63,250 4,094.10 5.090 329.47 58,160 3.764.63 4,603 613 604 5,820 68,671 5,820 0.000000% 0.8750 5090 32947 328 0.064729 01053996 HSR-FOSTER 4-35 Weld 112,820 8,625.88 4,410 337.18 108,410 8,28870 3,076 992 977 5.045 122.490 5,045 0.000000% 0.8750 4410 337.18 118 0.076457 01055796 ROADIFER 12-128 Weld 59,500 5,386.18 4,730 428.18 54,770 4,95800 3,034 1,097 1,277 5,408 64,600 5,408 0.000000% 0.8750 4730 428.18 693 0.090524 01625386 AMEN 1 Weld 23,490 1,880.92 2,270 181.77 21.220 1.699.15 1,851, 379 360 2,590 25,503 2,590 0.000000% 0.8750 2270 181.77 520 0.080073 04635286 BEIN 1 Weld 25.950 2,077.90 4,660 373.14 21.290 1,704.76 4,591 379 360 5.330 28.174 5.330 0.000000% 0.8750 4660 373.14 520, 0.080073 00309195 CROISSIANT 1 Weld 22,980 1.840.08 2.150 172.16 20,830 1,667.92 1.714 379 360 2,453 24,950 2.453 0.000000% 0.8750 2150 172.16 520 0.080073 01624286 CROISSANT#2 Weld 9.720 778.30 2.030 162.55 7,690 615.75 1,587 379 360 2.325 10,553 2.325 0.000000% 0.8750 2030 162.55 520 0.080073 00126293 DABNEY G23-10 Weld 39.320 3,115.24 4,540 35970 34.780 2,755.54 4.284 467 443 5,193 42,690 5,193 0.000000% 0.8750 4540 359.70 104 0.079228 00082192 DABNEY G23-15 Weld 59,180 4,688.72 3,800 301.07 55.380, 4,387.65 3,429 467 443 4,339 64,253 4,339 0.000000% 0.8750 3800 301.07 104 0.079228 00126593 DABNEY G25-3 Weld 47,490 3,715.04 3.340 261.28 44,150 3,453.76 2,912 467 443 3,821 51,561 33,821 0.000000% 0.8750 3340 261.28 102 0.078228 00258494 DABNEY G 25-6 Weld 57,020 4,460.56 3.270 255.81 53,750 4,20475 2,831 467 443 3,740 61,907 3,740 0.000000% 0.8750 3270 255.81 102 0.078228 00315394 DALBEY D 11-2 Weld 30,330 2,372.66 6.410 501.44 23.920 1,871.22 6,421 467 443 7,331 32,930 7,331 0.000000% 0.8750 6410 501.44 102 0.078228 00036194 DALBEY D 13-11 Weld 26,480 2,205.88 4,940 411.52 21.540 1,794.36 4,737 467 443 5,646 28,750 5,646 0.000000% 0.8750 4940 411.52 754 0.083304 00122693 DALBEY D 13-12 Weld 32,320 2,692.38 4,750 395.69 27.570 2,296.69 4,514 467 443 5,423 35,090 5,423 0.000000% 0.8750 4750 395.69 754 0.083304 00036294 DALBEY 01313 Weld 68.170 5.678.84 4.320 359.87 63.850 5.318.97 4.031 467 443 4941 74013 4.941 0.000000% 0.8750 4320 359.87 754 0.083304 00127793 DALBEY 013-14 Weld 31.910 2,658.24 4,430 369.04 27,480 2,289.20 4,150 467 443 5,060 34,645 5,060 0.000000% 0.8750 4430 369.04 754 0.083304 00128593 DALBEY D 14-1 Weld 32.430 2,714.98 4,510 377.57 27,920 2,337.41 4,244 467 443 5,153 35,210 5,153 0.000000% 0.8750 4510 377.57 788 0.083718 00122793 DALBEY 014-2 Weld 58.950 4,935.18 5,560 46547 53,390 4.469,71 5,445 467 443 6.354 64,003 6,354 0.000000% 0.8750 5560 465.47 788 0083718 00035994 DALBEY D 14-3 Weld 34,430 2,882.42 4,240 354.96 30,190 2,527.46 3,935 467 443 4.844 37.381 4,844 0.000000% 0.8750 4240 354.96 788 0.083718 00122893 DALBEY D 14-6 Weld 49,560 4,149.06 4,360 365.01 45,200 3,784.05 4,079 467 443 4,988 53,808 4,988 0.000000% 0.8750 4360 365.01 788 0.083718 00122993 DALBEY D 14-7 Weld 55,670 4,660.58 4.850 406.03 50,820 4,254.55 4.637 467 443 5,546 60,442 5.546 0.000000% 0.8750 4850 406.03 788 0.083718 00258294 DALBEY D 14-8 Weld 50.600 4,215.18 4,440 369.87 46,160 3.845.31 4,167 467 443 5,076 54,937 5,076 0.000000% 0.8750 4440 369.87 754 0.083304 00123893 DALBEY 0223 Weld 80.020 6.699.1_ 4,310 360.8_ 75,710 6,338.30 4,0_21 467 443 4931 86,879 4,931 0.000000% 0.8750 4310- 360.82 788 0.083718 00124093 DALBEY D 224 Weld 79,400 6,647.20 3,900 326.50 75.500 6,320.70 3,550 467 443 4,460 86.206 4.460 0.000000% 0.8750 3900 326.50 788 0.083718 00124493 DALBEY 022-5 Weld 69,690 5,834.30 4,560 381.75 65,130 5.452.55 4.303 467 443 5,212 75,663 5,212 0.000000% 98750 4560 381.75 788 0.083718 00124693 DALBEY D 22-6 Weld 48,640 4,072.04 5,040 421.94 43,600 3,650.10 4,855 467 443 5.764 52,809 5,764 0.000000% 0.8750 5040 421.94 788 0.083718 00124893 DALBEY D24-10 Weld 16.290 1,357.02 3,970 33072 12,320 1.026.30 3,628 467 443 4,537 17,686 4,537 0000000% 0.8750 3970 330.72 754 0.083304 00270894 DALBEY D24-15 Weld 19.150 1,595.28 3,460 288.23 15.690 1.307.05 3,045 467 443 3,954 20,791 3.954 0.000000% 0.8750 3460 288.23 754 0083304 00125193 DALBEY 025-3 Weld 5.670 36466 3,890 250.19 1,780 114.47 3,538 467 443 4.447 6.156 4,447 0.000000% 0.8750 3890 250.19 302 0.064315 00128793 DALBEY D 25-5 Weld 12,010 77242 4,110 264.33 7.900 508.09 3.783 467 443 4,692 13,039 4,692 0000000% 0.8750 4110 264.33 302 0064315 00041194 DINNER K 13-2 Weld 31,140 2,467.16 3,890 308.20 27.250 2,158.96 3,535 467 443 4,444 33,809 4,444 0.000000% 0.8750 3890 308.20 108 0079228 00021889 DINNER UP 1-13 Weld 29,480 2.335.64 3,640 288.39 25.840 2,047.25 3.311 438 415 4,164 32,007 4.164 0.000000% 0.8750 3640 288.39 108 0.079228 00082392 DOS RIOS J 33-10 Weld 10,910 961.36 3,210 282.86 7700 678.50 2.758 467 443 3.667 11.845 3,667 0.000000% 0.8750 3210 282.86 633 0.088118 00081592 DOS RIOS J 33-15 Weld 6,300 555.14 3,230 284.62 3.070 270.52 2.842 438 415 3.695 6,840 3,695 0.000000% 0.8750 3230 284.62 627 0.088118 00121593 DUNCAN D 10.6 Weld 35.320, 3,031.86 5,150 442.93 30,160 2,588.93 4.991 467 443 5,900 38,347 5.900 0.000000% 0.8/50 5160 442.93 753 0.08584 00122193 DUNCAN 011-5 Weld 28,340 237256 5.390 451.24 22.950 1.921.32 5.245 467 443 6.155 30.769 6.155 0.000000% 0.8750 5390 451.24 788 0.083718 00105894 DUNCAN D 11-6 Weld 22,380 186434 3.160 263.24 19,220 1.601.10 2701 467 443 3.513 24,298 3,610 0000000% 0.8750 3160 26324 754 0083304 Page 42 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No, Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rof) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00105594 DUNCAN DII-] Weld 28.550 2,390.14 3,760 314.78 24,790 2,075.36 3,387 467 443 4.296 30,997 4.296 0.000000% 0.8750 3760 314,78 788 0.083718 00127393 DUNCAN D11-8 Weld 25,190 2,108.86 5,380 450,40 19,810 1,658.46 5,240 467 443 6,150 27,349 6,150 0.000000% 0.8750 5380 450.40 788 0.083718 00121993 DUNCAN D11-10 Weld 13.830 1.157.82 4,320 361.66 9,510 796.16 4.029 467 443 4.938 15.015 4.938 0.000000% 0.8750 4320 361.66 788 0.083718 00105794 DUNCAN 0 11-11 Weld 22,130 1,852.68 3,130 262.04 19,000 1.590,64 2,662 467 443 3,571 24,027 3.571 0.000000% 0.8750 3130 262.04 788 0.083718 00122493 DUNCAN 011-12 Weld 22,880 1,915.46 4,800 401.85 18,080 1,513.61 4,571 467 443 5,481 24,841 5,481 0.000000% 0.8750 4800 401.85 788 0.083718 01054496 DUNCAN D11-13 Weld 32,820 2.74]62 4.300 359.99 28,520 2,387.63 4,010 467 443 4,919 35,633 4,919 0.000000% 0.8750 4300 359.99 788 0.083718 00035894 DUNCAN D 11-14 Weld 59.840 5,009.68 4,250 355.80 55,590 4.653.88 3.948 467 443 4.857 64,969 4.857 0.000000% 0.8750 4250 355.80 788 0.083718 00122393 DUNCAN 011-15 Weld 15,010 1,256.60 4,590 384.27 10.420 872.33 4,334 467 443 5,244 16,297 5,244 0.000000% 0.8750 4590 384.27 788 0.083718 00123393 DUNCAN D20-1 Weld 31.280 271328 3,330 28885 27.950 2.424.43 2,894 467 443 3,803 33.961 3.803 0.000000% 0.8750 3330 288.85 789 0.086742 00123293 DUNCAN 020-2 Weld 81,730 7,089.42 3,840 33309 77,890 6,756.33 3,478 467 443 4,387 88,735 4,387 0.000000% 08750 3840 333.09 789 0.086742 00123793 DUNCAN D 20-7 Weld 39,310 3,409.82 4,310 373,86 35,000 3,035.96 4,015 467 443 4,924 42,679 4,924 0.000000% 0.8750 4310 373.86 789 0.086742 00123093 DUNCAN D20-8 Weld 74,260 6,44146 4,850 420.70 69,410 6,020.76 4,637 467 413 5,547 80.625 5,547 0.000000% 0.8750 4850 420.7D 789 0.086742 00129293 DUNCAN 020-9 Weld 64,790 5,620.02 4.260 369.52 60,530 5,250.50 3,954 467 443 4,864 70,343 4,864 0.000000% 0.8750 4260 369.52 789 0.086742 00082792 DUNCAN D 20-10 Weld 47,680 4.135.86 4.300 372.99 43380 3,762.87 4.009 467 443 4,918 51,767 4.918 0.000000% 0.8750 4300 372.99 789 0.086742 00036694 DUNCAN D20-11 Weld 56,070 4,863.62 5,000 433.71 51,070 4,429.91 4,800 467 443 5,709 60,876 5,709 0.000000% 0.8750 5000 433.71 789 0.086742 00212093 DUNCAN 020-12 Weld 60,970 5,288.66 3,960 343.50 57,010 4,945.16 3.621 467 443 4,531 66,196 4,531 0.000000% 0.8750 3960 34350 789 0.086742 00037094 DUNCAN D 20-13 Weld 66.900 5,803.04 4,090 354.77 62.810 5,448.27 3.760 467 443 4,670 72,634 4.670 0000000% 0.8750 4090 354.77 789 0.086742 00123693 DUNCAN D 20-14 Weld 74,130 6,430.18 4,830 418.96 69,300 6,011.22 4,606 467 443 5.515 80.484 5,515 0.000000% 0.8750 4830 418.96 789 0.086742 00258194 DUNCAN D 20-15 Weld 45,720 3,946.92 4,300 371.21 41,420 3,575.71 4,003 467 443 4,913 49,639 4,913 0.000000% 0.8750 4300 371,21 757 0.086328 00123493 DUNCAN D 20-16 Weld 63.380 5,497 70 3,550 307.93 59.830 5.189.77 3.153 467 443 4.062 68.813 4,062 0000000% 0.8750 3550 307.93 789 0.086742 00244193 DUNKLEE 1 Weld 14,790 1,184.28 4.620 369,94 10,170 814.34 4.546 379 360 5,285 16,058 5,285 0.000000% 0.8750 4620 369.94 520 0.080073 00244893 DUNKLEE 2 Weld 16,400 1,313,20 4,110 329.10 12,290 984.10 3,856, 430 408 4,694 17,806 4,694 0.000000% 0.8750 4110 329,10 520 0.080073 00244993 DUNKLEE 3 Weld 12,470 998.52 3.500 280.26 8,970 718.26 3,205 408 387 4,000 13,539 4,000 0.000000% 0.8750 3500 28026 520 0.080073 O0260593 FREEDOM ONE C 19-5 Weld 6,140 527.06 4,660 400.01 1,480 127.05 4,469 438 415 5,322 6,666 5,322 0.000000% 0.8750 4660 400,01 753 0.08584 00260893 FREEDOM TWO C 19.3 Weld 24,380 2,092.78 7,020 60260 17.360 149018 1119 467 443 8,028 26.470 8 028 0.000000% 08750 7020 602.60 753 008584 00260793 FREEDOM TWO C 19-4 Weld 11,630 998.32 5,070 435.21 6,560 563.11 4,945 438 415 5,797 12,627 5,797 0.000000% 0.8750 5070 435.21 742 008584 O0260693 FREEDOM TWO C 19-6 Weld 12,820 1,100.46 4,570 392.29 8,250 708,17 4,373 438 415 5,226 13,919 5.226 0.000000% 0.8750 4570 392.29 742 0.08584 04664686 GREGG I Weld 17,360 1,390.06 3,550 284.26 13,810 1,10580 3,221 430 408 4,059 18,848 4,059 0.000000% 0.8750 3550 28426 520 0.080073 00174791 HALVERSON 1 Weld 7,520 60772 6.140 49620 1,380 111.52 6,119 463 439 7,021 8,165 7,021 0.000000% 0.8750 6140 496.20 2001 0.080814 00083192 HENNINGTON C 32-2 Weld 86,300 7.372.26 5,000 427.13 81,300 6,945.13 4,806 467 443 5,716 93,697 5,716 0.000000% 0.8750 5000 427.13 710 0.085426 00093191 HENNINGTON'C'32-7 Weld 28,740 2,467.04 4,390 376.84 24.350 2,090.20 4,170 438 415 5,023 31,203 5.023 0.000000% 0.8750 4390 376.84 742 0.08584 00093291 HENNINGTON C 32-10 Weld 73,310 6,292.94 4,960 42577 68,350 5,867.17 4,819 438 415 5,671 79,594 5,671 0.000000% 0.8750 4960 42577 742 0.08584 00270794 HUNTSMAN G 13-9 Weld 50,050 3,965.36 5,000 396.14 45,050 3,569.22 4,806 467 443 5,716 54,340 5,716 0.000000% 0.8750 5000 396.14 108 0.079228 00121693 HUNTSMAN G 13-10 Weld 48,110 3,831.58 5400 430.07 42,710 3.401.51 5,260 467 443 6,170 52,234 6.170 0.000000% 0.8750 5400 43007 138 0.079642 00081992 HUNTSMAN G 13-16 Weld 34,210 2,724.56 4,890 389.45 29,320 2.335.11 4,681 467 443 5,591 37,142 5.591 0.000000% 0.8750 4890 389.45 138 0.079642 04543186 KLEIN I Weld 7,870 630.18 2,590 207.39 5,280 422.79 2,125 430 408 2,962 8.545 2,962 0.000000% 0.8750 2590 20]39 509 0.080073 04540486 MAPLEWOOD 1 Weld 21920 1,755.20 4,830 386.75 17,090 1,368.45 3729 408 387 5,524 23,799 5,524 0.000000% 0.8750 4830 386.75 520 0.080073 04540386 MAPLEWOOD 2 Weld 21.250 1 701 56 5.200 416.38 16,050 1.285.18 5,150 408 387 5,945 23.071 5.945 0.000000% 0.8750 5200 416.38 520 0.080073 00081692 MCGUIRK-HOWELL C 32-4 Weld 41,390 3,552.92 5,350 459.24 36,040 3,093.68 5,203 467 443 6,112 44,938 6.112 0.000000% 0.8750 5350 459.24 753 0.08584 Page 43 of 48 H5 RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No, Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Roll) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00081892 MCGUIRK-HOWELL C 32-11 Weld 37,500 3,21900 4,990 42834 32,510 2790.66 4,793 467 443 5702 40.714 5,702 0.000000% 08750 4990 42834 753 0.08584 00270694 MCGUIRK-HOWELL C 32-14 Weld 57,760 4.934.20 4.910 419.44 52,850 4.514,76 4,703 467 443 5.612 62711 5,612 0000000% 08750 4910 41944 710 0.085426 00105394 MELVIN V 4-4 Weld 46,530 3,011.84 7.140 462.17 39,390 2,54967 7,254 467 443 8,163 50,518 8.163 0.000000% 0.8750 7140 462.17 328 0064729 00106094 MILDENBERGER-MOORE H 13-1 Weld 40,070 3,134.60 6.220 48658 33.850 2,648.02 6.197 467 443 7,106 43.505 7,106 0.000000% 0,8750 6220 486.58 102 0.078228 00036494 MILLS UPRC 0154 Weld 90.810 7,87704 4,500 390.34 86,310 7,48670 4.229 467 443 5.139 98.594 5139 0.000000% 08750 4500 39034 789 0.086742 00260695 MOORE UPRC C 19-2 Weld 35,050 3.008.70 3,840 329.63 31.210 2.67907 3.423 496 470 4,389 38,054 4.389 0.000000% 0.8750 3840 329.63 753 0,08584 00261195 MOORE UPRC C 19-7 Weld 29,440 2.527.12 3.930 337.35 25.510 2,189.77 3,526 496 470 4,492 31,963 4.492 0.000000% 08750 3930 337.35 753 008584 00055995 MOORE UPRC 015-7 Weld 45.870 3,547.96 5,070 392.15 40,800 3.155,81 4,829 496 470 5.795 49,802 5.795 0.0000000 08750 5070 392.15 127 0077348 O0260995 MOORE UPRC 015-8 Weld 90,110 6.969.82 4,920 380.55 85.190 6,58927 4.656 496 470 5,622 97,834 5,622 0.000000% 0.8750 4920 380.55 127 0.077348 00106294 MOORE UPRC H 13-2 Weld 20,380 1,59428 3,910 305.87 16,470 1,28841 3.555 467 443 4,464 22,127 4,464 0000000% 08750 3910 305,87 102 0078228 00040994 MOORE UPRC H 25-1 Weld 69,590 4.444.16 5,190 331,44 64,400 4.11272 5.025 467 443 5.935 75,555 5,935 0000000% 0.8750 5190 33144 310 0.063862 00040694 MOORE UPRC H 25-2 Weld 25,200 1,609.32 5,610 35827 19.590 125105 5,497 467 443 6406 27.360 6,406 0000000% 0.8750 5610 358.27 310 0063862 00005894 MOORE UPRC H 28-12/MOORE UPRC Weld 27,520 2,104.10 850 6499 26.670 2.039.11 0 496 470 966 29.879 966 0.000000% 0.8750 850 6499 118 0.076457 00005894 MOORE UPRC H 28-12 Weld 27,520 2,104.10 4,360 333,35 23,160 1,77975 4,021 496 470 4,987 29.879 4,987 0.000000% 0.8750 4360 333.35 118 0.076457 00260495 MOORE UPRC H 28-13 'Weld 46,340 3,543,02 3,280 25078 43.060 3,292.24 2.783 496 070 3,749 50.312 3,749 0.000000% 0,8750 3280 250.78 118 0.076457 00258694 NORRIS 14-6 Weld 11.700 78786 3.410 229,63 8,290 558,23 3,389 263 249 3.900 12,703 3.900 0.000000% 08750 3410 229.63 336 0.067339 00258594 NORRIS 41-6 Weld 16.090 1,083,48 3,780 254,54 12,310 828.94 3.754 292 277 4,323 17,469 4,323 0.000000% 0.8750 3780 254.54, 336 0.067339 00261295 NORRIS Y 6-5 Weld 60,160 4,051.12 4,600 309,76 55.560 3,741.36 4,295 496 470 5,261 65,317 5,261 0.000000% 0.8750 4600 309.76 336 0.067339 00038494 O'SH 022-11 Weld 106,650 8,928.52 4,630 387.61 102,020 8.540,91 5,143 467 443 6,052 132,333 6.052 12.500000% 0.8750 4630 38]61 788 0083718 00038694 O'SH D22-12 Weld 112,480 9,416.60 5,270 441.19 107,210 8,97541 5,979 467 443 6,888 139,567 6.888 12.500000% 0.8750 5270 441.19_ 788 0.083718 00038894 O'SH D 22-13 Weld 57,590 4.821.32 4.130 345.76 53,460 4,475,56 4.488 467 443 5.397 71,459 5,397 12.500000% 0,8750 4130 34576 788 0083715 O0039094 O'SH 022-14 Weld 66,320 5,552.18 4,400 368.36 61,920 5,18382 4,841 467 443 5,751 82,291 5.751 12500000% 0.8750 4400 368.36 788 0083718 O0040094 O'SH D28-1 Weld 38,030 2,57664 6,680 452.59 31,350 2.12405 7.819 467 443 8,728_ 47,188 8,728 12.500000% 0.8750 6680 452.59 335 0067753 00040494 O'SH D28-2 Weld 30,800 2,08680 5,320 360.45 25,480 1.726.35 6,036 467 443 6,946 38,217 6,946 12.500000% 0,8750 5320 360.45 335 0.067753 01054696 O'SH D28-8 Weld 29.670 2,010.24 6,240 422.78 23,430 1.587,46 7,242 467 443 8,151 36,815 8,151 12,500000% 08750 6240 42278 335 0,067753 04680886 PODTBURG S 1 Weld 270 21,62 260 2082 10 0.80 2,886 430 408 3.723 293 293 Ouvuuume 0.8750 260 20.82 509 0.080073 01055596 PODTBURG S2 Weld 15,080 1,207.50 2,450 196.18 12,630 1,01132 1,959 430 408 2.797 16.373 2.797 0.000000% 0.8750 2450 196,18 520 0.080073 04665786 RIX 1 Weld 20,930 1,67592 3,840 307,48 17,090 1.36844 3,546 430 408 4.384 22.724 4.384 0000000% 0.8750 3840 307,48 520 0.080073 00121893 RUPERT G23-9 Weld 17,320 1,372.22 3,510 27809 13,810 1,094.13 3.103 467 443 4,013 18.805 4.013 0.000000% 0.8750 3510 278.09 108 0.079228 00126193 RUPERT G23-16 Weld 40,490 3.207.94 7,320 57995 33.170 2,627.99 7,453 467 443 8,363 43.961 8,363 0.000000% 0,8750 7320 57995 104 0.079228 00092691 RUPERT''G''25-4 Weld 36,930 2,888.96 3,480 272.23 33.450 2.616,73 3,128 438 415 3,980 40,095 3,980 0.000000% 0,8750 3480 272.23 102 0,078228 00104590 RUPERT"G'25-5 Weld 33,470 2,618.30 3,480 272.23 29,990 2,346.07 3,124 438 415 3,976 36,339 3,976 0.000000% 0.8750 3480 272,23 102 0.076228 00041494 SPAUR 07-8 Weld 86,660 6,939,12 3,430 27465 83,230 6,66447 3,010 467 443 3,920 94,088 3,920 0000000% 08750 3430 27465 509 0.080073 04635086 STARCK I Weld 15.610 1,249,94 3,140 251.43 12,470 998.51 2,745 430 408 3,583 16.948 3,583 0.000000% 0,8750 3140 251.43 520 0.080073 00148687 STARCK 2 Weld 11,430 91524 3,080 24662 8.350 668,62 2,722 408 387 3.518 12.410 3,518 0000000% 08750 3080 246.62 520 0,080073 00126493 STATE N 36-16 Weld 15.390 1,238.70 3.880 312.29 11,510 92641 4,161 467 443 5.070 19096 5.070 12,500000% 0.8750 3880 312.29 557 0.080487 00257688 STROH 1 Weld 34,450 2,758.52 5,780 45282 28,670 2,29570 5.807 408 387 6,603 37.403 6.603 0000000% 0.8750 5780 462.82 520 0.080073 -- 00257788 STROH 2 Weld 11,920 95448 4,070 325.90 7,850 628.58 3,853 408 387 4.649 12.942 4,649 0.000000% 0.8750 4070 325.90 520 0.080073 — 04541486 TRIPLE-L FARMS 1 Weld 12.180 975.28 3,280 262.64 8,900 712,64 2,907 430 408 3,745 13,224 3.745 0.000000% 0.8750 3280 262.64 520 0.080073 Page 44 of 48 HS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 00138188 VICTOR C 19-9 Weld 40 344 40 3.43 0 0.01 1,511 463 439 2.413 43 43 0.000000% 0.8750 40 3.43 742 0.08584 00100189 VICTOR C 19-10 Weld 14.470 1,242.1D 3.750 321.90 10.720 920.20 3,434 438 415 4.286 15,710 4.286 0.000000% 0.8750 3750 321.90 753 0,08584 00260193 VICTOR C19-11 Weld 7,460 640.36 3.260 279.84 4,200 360.52 2,928 408 387 3.724 8,099 3.724 0.000000% 0.8750 3260 279.84 753 0.08584 00260293 VICTOR C 19-12 Weld 5.830 500.44 3,210 275.55 2.620 224.89 2.868 408 387 3.664 6.330 3.664 0.000000% 0.8750 3210 275.55 753 0.08584 00260093 VICTOR C19-13 Weld 20,950 1,798.34 3,830 328.77 17,120 1,469.57 3,587 408 387 4,382 22,746 4,382 0.000000% 0.8750 3830 328.77 753 0.08584 00259993 VICTOR C19-14 Weld 19,460 1,67044 3,930 337.35 15,530 1,333.09 3,585 463 439 4,488 21,128 4.488 0.000000% 0.8750 3930 337.35 753 0.08584 00260393 VICTOR C 19-15 Weld 19,200 1,648.12 4.390 376.84 14.810 1,271 28 4,167 438 415 5,020 20,846 5,020 0.000000% 0.8750 4390 376.84 753 0.08584 00138288 VICTOR C19-16 Weld 12.820 1.10046 4,430 380.27 8.390 720.19 4.270 408 387 5,065 13,919 5,065 0.000000% 0.8750 4430 380.27 753 008584 00125593 VICTOR C29-3 Weld 79.870 6,856.04 4.210 361.39 75.660 6.494.65 3.901 467 443 4,811 86,716 4,811 0.000000% 0.8750 4210 361.39 753 0.08584 00093591 VICTOR C 29-4 Weld 25,740 2,209.52 3,740 321.04 22,000 1,888.48 3.424 438 415 4,277 27.946 4,277 0.000000% 0.8750 3740 321.04 742 008584 00258394 VICTOR C29-5 Weld 45,390 3,877,48 4,100 350.25 41290 3,527.23 3,773 467 443 4.683 49281 4.683 0.000000% 0.8750 4100 350.25 710 0.085426 00093491 VICTOR 029-6 Weld 1,230 105.58 1,170 10043 60 5.15 2.675 438 415 3,527 1.335 1.335 0.000000% 0.8750 1170 100.43 742 0.08584 00139588 VICTOR C29-9 Weld 13,930 1,19576 5.370 460.96 8.560 734.80 5,342 408 387 6.137 15,124 6,137 0.000000% 0.8750 5370 460.96 753 0.08584 00100589 VICTOR C 29-10 Weld 39,110 3,35720 3,810 327.05 35.300 3.030.15 3,383 496 470 4,349 42.462 4.349 0.000000% 0.8750 3810 327.05 753 0.08584 00139388 VICTOR C29-11 Weld 26,230 2,251.58 4,050 34]65 22,180 1,903.93 3,830 408 387 4,626 28.478 4.626 0.000000% 0.8750 4050 347.65 753 0.08584 00139288 VICTOR C 29-12 Weld 46,720 4,010.44 4,190 35967 42,530 3,650.77 3.992 408 387 4,788 50,725 4,788 0.000000% 08750 4190 359.67 753 0.08584 00139488 VICTOR C29-13 Weld 240 20.60 230 1974 10 0.86 1,619 463 439 2,521 261 261 0.000000% 0.8750 230 19.74 753 0,08584 00139688 VICTOR C29-14 Weld 26,480 ?27304 4,320 370.83 22,160 1.902.21 4,039 463 439 4,942 28,750 4,942 0.000000% 0.8750 4320 370.83 753 0.08584 00138788 VICTOR C29-15 Weld 3,690 316.74 2,870 246.36 820 70.38 2,382 463 439 3,284 4,006 3,284 0.000000% 0.8750 2870 246,36 753 0.08584 00139788 VICTOR C29-16 Weld 4,030 345.94 2,240 192.28 1,790 153.66 1,659 463 439 2,562 4,375 2,562 0.000000% 0.8750 2240 192.28 753 0.08584 00093691 VICTORG 14-3 Weld 20,020 1,556.80 3,920 30483 16,100 1,251.97 3,623 438 415 4,475 21,736 4,475 0.000000% 0.8750 3920 304.83 142 0.077762 01055396 VICTOR G14-6 Weld 11680 1,374,84 3,990 310.27 13,690 1,064.57 3,709 438 415 4,561 19,195 4,561 0.000000% 0.8750 3990 310.27 142 0.077762 00093391 VICTOR G14-12 Weld 24,540 1.908.28 4,550 353.82 19,990 1,554.46 4,348 438 415 5,200 26,643 5,200 0.000000% 0.8750 4550 353.82 142 0.077762 00093391 VICTOR G 14-14 Weld 25.860 2,01092 4,200 326.60 21,660 1.684.32 3.944 438 415 4,796 28,077 4,796 0000000% 0.8750 4200 326.60 142 0.077762 01078397 HSR-MAGNESS 15-25 Weld 134,750 10,437.34 3,540 274.20 131.210 10,163.14 2,517 787 746 4,050 146,300 4,050 0.000000% 0,8750 3540 274.20 _ 120 0.077457 01090797 HSR-GUN CLUB 9-34 Weld 170,930 13,54?44 3,380 267,79 167,550 13,274,65 2,458 722 685 3,865 185,581 3,865 0.000000% 0.8750 3380 26]]9 104 0.079228 01094497 HSR-MAGNESS 10-25 Weld 121,230 9.390.12 3,950 305.96 117,280 9,08416 2,936 811 769 4,515 131,621 4.515 0.000000% 0.8750 3950 305.96 120 0.077457 01087697 HSR-MOSER 4-26 Weld 275,010 21,026.44 3.450 263.78 271.560 20762.66 2,439 770 730 3,939 298.582 3.939 0.000000% 0.8750 3450 263.78 118 0.076457 01066697 HSR-DECHANT FARMS 15-36 Weld 171.680 10,963.82 2,740 174.98 168,940 10788.84 2,018 801 759 3.578 213,023 3.578 12.500000% 0.8750 2740 174.98 310 0.063862 01078297 HSR-GUN CLUB 16-34 Weld 141,150 11,18304 3,410 270.17 137,740 10,912.87 2.525 702 665 3.892 153,249 3.892 0.000000% 0.8750 3410 270.17 104 0.079228 01078597 HSR-MOSER 3-26 Weld 125,800 9,618.30 3.460 264.54 122,340 9.353,76 2.400 800 758 3,958 136,583 3,958 0.000000% 08750 3460 264.54 118 0.076457 01098097 HSR CAMP 8-24 Weld 131.880 9,816.22 2,760 205.44 129,120 9,610.78 1.744 726 688 3,158 143,184 3,158 0.000000% 0.8750 2760 20544 101 0.074433 01077597 HSR-MOORE 10-13 Weld 80.560 6.98534 2,680 232.48 77,880 6,75586 2,060 514 487 3,061 87,465 3,061 0.000000% 0.8750 2680 232.48 429 0.086747 _ 01077897 HSR-ACORD 11-29 Weld 135.660 10,14520 2.680 200.42 132,980 9,94478 1,859 617 585 3,062 147,288 3,062 0.000000% 0.8750 2680 20042 110 0.074784 01144097 HSR HALE 2-13 Weld 149.840 11,153.04 4.110 30592 145.730 10,847.12 2,788 982 931 4.700 162.683 4,700 0.000000% 0.8750 4110 305.92 106 0.074433 00612296 HSR-DECHANT4-25 Weld 162,540 10,754.46 3,480 230.25 159,060 10,524.21 3,171 416 394 3,982 176,472 3,982 0.000000% 0.8750 3480 230.25 332 0.066165 01067597 HSR-MOORE 9-13 Weld 100,730 9.738.02 2.270 19692 98.460 8 541 10 1.854 377 357 2589 109.364 2.589 0.000000% 0.8750 2270 196.92 429 0.086747 01066197 HSR TOOMEY 7-13 Weld 147.450 10.975 14 4.010 298.48 143.440 10.676.66 2.916 857 813 4.586 160,089 4.586 0.000000% 08750 4010 29848 106 0074433 01077397 HSR-ACORO 14-29 Weld 183,470 13 720 62 2 860 21388 180.610 13 506 74 1.859 723 686 3.268 199.196 3,268 0 000000% 08750 2860 21388 110 0.074784 Page 45 of 48 H5 RESOURCES COMPANY PETITION FOR REFUND OF TAXES•1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed I Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Ron) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate O1077097 HSR-HEADLEY 9-33 Weld 231.800 18,365.06 5,380 426.25 226,420 17,938.81 4,244 975 925 6,144 251,669 6.144 0.000000% 0.8750 5380 426.25 104 0.079228 O1067897 HSR CAMP 1-24 weld 155.730 11,591.46 2,900 215,86 152,830 11.375.60 1,802 779 738 3.319 169,078 3,319 0.000000% 0.8750 2900 215.86 101 0.074433 O1066297 HER-TUTTLE 10-7 Weld 172,820 12,863.52 2.680 19948 170.140 12.664.04 1,851 662 628 3,141 192,558 3.141 2.557813% 08750 2680 199.48 101 0.074433 O1093597 HSR-HOUSTON'8'3-16 Weld 190.680 14,259.82 2,520 188.46 188.160 14,071.36 2,183 572 542 3,296 236.599 3.296 12.500000% 0.8750 2520 188.46 124 0,074784 O1089697 HSR-DECHANT FARMS 10-36 Weld 151,360 9,666.16 2.700 172.43 148,660 9,493.73 2.042 761 721 3,524 187,810 3,524 12.500000% 0.8750 2700 172.43 310 0.063862 O1089597 HSR-DECHANT FARMS 16-36 Weld 169,980 10,855.26 2,530 161.57 167,450 10,69369 2,053 640 607 3,301 210,914 3,301 12.500000% 0.8750 2530 161.57 310 0.063862 O1076697 HSR-ACORD 13-29 Weld 119,080 9,742.88 3,210 262.64 115,870 9,480.24 1,815 949 899 3,663 129,287 3,663 0.000000% 0.8750 3210 262.64 114 0,081818 O1076897 HSR-HOUSTON'6'4-16 Weld 133.930 10,015.82 2,700 201,92 131,230 9,813.90 2,382 586 556 3,524 166,183 3.524 12.500000% 0.8750 2700 201.92 124 0.074784 O1067397 HSR-MCCLAY 14-34 Weld 128,630 9,574.32 3.340 248.61 125,290 9.32571 2,409 721 683 3.813 139,655 3.813 0.000000% 0.8750 3340 248.61 106 0.074433 O1093097 HSR-TUTTLE 15-7 Weld 148,880 11,081,58 2,730 203.20 146,150 10,878.38 1,979 627 594 3,200 165,884 3,200 2.557813% 0.8750 2730 203.20 101 0.074433 O1066497 HSR-DECHANT FARMS 9-36 Weld 106,550 6,804.50 2,520 160.93 104,030 6.643,57 2,042 644 611 3.296 132,209 3,296 12.500000% 0.8750 2520 160.93 310 0.063862 O1066997 HSR-MCCLAY 12-34 Weld 133.180 9.91298 2.890 215.11 130,290 9,697.87 1.800 774 734 3.308 144.595 3.308 0.000000% 08750 2890 215.11 106 0.074433 O1069297 HSR-CAMP2-24 Weld 157,850 11,749.24 2,730 203.20 155,120 11,546.04 1,612 772 731 3.115 171,380 3,115 0O00000% 0,8750 2730 203.20 101 0,074433 O1065997 HSR-ACCORD 16-30 Weld 127,570 10,735.90 2,870 241.53 124,700 10,494,37 1,902 705 668 3,275 138,505 3,275 0.000000% 0.8750 2870 241.53 1318 0.084157 O1066897 HSR-MCCLAY 11-34 Weld 131,360 9,77752 3.400 253O7 127,960 9,524.45 2,466 726 688 3,880 142,619 3.880 0.000000% 0.8750 3400 253.07 106 0.074433 O1065797 HSR-KNOX 4-3 Weld 88,940 7,715,28 2,710 235,08 86,230 7,480.20 1,668 735 697 3,099 96.563 3,099 0.000000% 0.8750 2710 235,08 429 0,086747 O1067697 HSR-NIES 16-15 Weld 116,930 9,211.74 3,190 251.31 113,740 8,960.43 2.039 825 782 3.646 126,953 3,646 0.000000% 0.8750 3190 251,31 558 0O7878 O1067797 HSR-GUTTERSEN 13-1 Weld 82,800 6.931.86 2.710 226.88 80,090 6,704.98 1,805 662 627 3,094 89,897 3,094 0.000000% 0.8750 2710 226.88 788 0.083718 O1065897 HSR-HOUSTON'S'5-16 Weld 116,550 8,716,08 3,450 258.00 113,100 8,458.08 3.036 757 718 4,511 144,617 4,511 12.500000% 0,8750 3450 258.00 124 0,074784 O1067197 HSR-MCCLAY 13-34 Weld 116,960 8.705.68 2,720 202.46 114,240 8,50322 1,800 669 634 3,103 126,985 3,103 0.000000% 0.8750 2720 202.46 106 0O74433 O1096297 HSR-LEONARD 14-15 Weld 87,980 6,931.06 2,670 210.34 85.310 6,720.72 1,833 628 595 3,056 95,521 3.056 0.000000% 0.8750 2670 210.34 558 007878 01097497 HSR-KNOX 5-3 Weld 89,220 7,739.56 2,670 231.61 86,550 7,507.95 1,771 659 625 3.055 96,867 3,055 0.000000% 0,8750 2670 231,61 429 0.086747 O1096097 HSR-NIES 9-15 Weld 115,250 9,079.40 2,790 219.80 112,460 8,859.60 1,833 696 660 3.188 125,129 3,188 0.000000% 0.8750 2790 219.80 558 0.07878 01074497 HER-HOUSTON'B'6-16 Weld 120,620 9,020.44 3,770 281.94 116,850 8,738.50 3,231 871 826 4,928 149,667 4,928 12.500000% 0.8750 3770 281.94 124 0.074784 O1072197 HSR-CAMP 7-24 Weld 140,950 10,491.34 2.820 209.90 138,130 10,281.44 1,629 818 776 3.223 153,031 3,223 0.000000% 0.8750 2820 209.90 101 0.074433 O1084997 HSRGUTTERSEN 6-33 Weld 122,570 7,933.84 3,680 238.20 118,690 7,695.64 2,698 774 733 4,205 133,076 4,205 0.000000% O.8750 3680 238.20 328 0.064729 O1074097 HSR-LEONARD 11-15 Weld 102.290 8.058.40 2,870 226.10 99.420 7,832.30 1,848 735 697 3,280 111,058 3,280 0.000000% 0.8750 2870 226.10 558 0.07878 O1078697 HSR-GUTTERSEN 12-1 Weld 81,120 6,791.20 2,530 211,81 78,590 6,579.39 1,789 566 536 2,892 88,073 2,892 0.000000% 0.8750 2530 211.81 788 0.083718 O1097897 HER-KNOX 14-3 Weld 88,750 7,698.80 2,690 233.35 86,060 7.46545 1,761 674 639 3.073 96.357 3,073 0.000000% 0,8750 2690 233.35 429 0.086747 O1097597 HER-KNOX 15-3 Weld 107,660 9,339.18 2,960 256,77 104,700 9,082.41 1,668 882 836 3.386 116,888, 3,386 0.000000% 0.8750 2960, 256.77 429 0.086747 O1069397 HSR-NIES 10-15 Weld 110,470 8,702.82 2.790 219.80 107.680 8,483.02 1,833 696 660 3,189 119,939 3.189 0.000000% 0.8750 2790 21980 558 0.07878 O1072097 HSR-WIEDEMAN 10-20 Weld 101.390 8,627.68 3,290 279.96 98,100 8,347.72 2,130 834 791 3,755 110,081 3,755 0.000000% 0.8750 3290 279.96 608 0,085094 O1073697 HSR-GUTTERSEN 14-1 Weld 96,970 8,118.14 2,530 211.81 94,440 7,906.33 1,697 611 579 2,887 105.282 2,887 0.000000% 0,8750 2530 211.81 788 0.083718 O1085197 HSRGUTTERSEN 5-33 Weld 142,500 9,223.88 2,510 162.47 139,990 9,061 41 2,019 433 411 2,864 154,714 2,864 0.000000% 0.8750 2510 162.47 328 0.064729 O1097997 HER-KNOX 16-3 Weld 68.880 5.975.14 3.060 265,45 65,820 5,709.69 1,668 939 891 3,498 74,784 3,498 0.000000% 0.8750 3060 265.45 429 0.086747 O1144497 HSR-SARCHET 6-24 Weld 115800 9,058.80 2.680 209.65 113.120 8.849.15 1,827 636 603 3,066 125.726 3,066 0.000000% 0.8750 2680 209.65 102 0.078228 O1071997 HSR-WIEDEMAN 14-20 Weld 132.210 11.25028 3.200 272.30 129.010 10,977.98 1.760 974 923 3,658 143,542 3,658 0.000000% 0.8750 3200 272.30 608 0.085094 .____ O1071897 HSR-WIEDEMAN 16-20 Weld 120.720 10.2]2.54 2.690 220.90 118.030 10,043.64 1,778 665 630 3,073 131.067 3,073 0.000000% 0.8750 2690 228.90 608 4 01071797 HSR-WIEDEMAN 15-20 Weld 80,080 6,814.32 2,880 245.07 77.200 6,569.25 1.819 756 717 3,292 86,944 3,292 0 000000% 08750 2880 24507 608 0085094 Page 46 of 48 H5 RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rofl) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 01078897 HSR-GUTTERSEN 114 Weld 107.550 9,003.88 2,860 239.43 104690 8,764.45 1.997 656 622 3.274 116,769 3,274 0.000000% 0.8750 2860 23943 788 0.083718 01086097 HSR-GUTTERSEN 12-33 Weld 30.960 2,004.00 1,770 114.57 29,190 1,88943 745 657 623 2.024 33,614 2,024 0.000000% 0.8750 1770 114.57 328 0.064729 01087597 HSR-SARCHET 2-24 Weld 89,570 7,006.88 2,430 190.09 87,140 6,816.79 1,788 505 479 2,772 97,247 2,772 0.000000% 0.8750 2430 190.09 102 0.078228 01071297 HSR-WASTE SERVICES 16-26 Weld 73,800 4,777.00 2,080 134.64 71,720 4,642.36 1,905 240 228 2,373 80,126 2.373 0.000000% 0.8750 2080 134.64 328 0.064729 01097697 HSR-KNOX 13-3 Weld 96,650 8,384.10 4,390 380.82 92,260 8,003.28 4,013 518 491 5,022 104,934 5,022 0.000000% 0.8750 4390 380.82 429 0.086747 01071497 HSR-GUTTERSEN-STATE 5-14 Weld 119,690 10,020.20 2,170 181.67 117,520 9,838.53 1,637 612 580 2,829 148,513 2,829 12.500000% 0,8750 2170 181,67 788 0.083718 01070997 HSR-WIEDEMAN 9-20 Weld 144,820 12.323.32 2,630 223.80 142,190 12,099.52 1,697 673 638 3,007 157,233 3.007 0.000000% 0.8750 2630 223.80 608 0.085094 01071697 HSR-GUTTERSEN I6-1 Weld 118710 9.938,16 2.500 209.30 116.210 9.728.87 1,830 524 497 2,852 128.885 2.852 0.000000% 08750 2500 209.30 788 0.083718 01095397 HSR-KNOX 9-3 Weld 104.380 9,054.66 2,820 244.63 101,560 8,810.03 1,654 808 766 3,228 113,327 3.228 0.000000% 0,8750 2820 244.63 429 0,086747 01071097 HSR-TRAURIG 1-24 Weld 105.480 8,251.48 2,610 204.18 102,870 8,047.30 1,612 704 667 2,983 114,521 2.983 0.000000% 0.8750 2610 204.18 102 0.078228 01083797 HSR-GUTTERSEN-STATE4-14 Weld 156,990 13,142,88 2,210 185.02 154,780 12,957.86 1,637 643 610 2,890 194,796 2,890 12.500000% 0.8750 2210 185.02 788 0.083718 01086/97 HSR-GUTTERSEN 13-33 Weld 79,220 5,127.84 2,280 147,58 76,940 4,980.26 1,524 555 526 2.605 86,010 2,605 0.000000% 0.8750 2280 147.58 328 0.064729 01084097 HSR-WASTE SERVICES 15-26 Weld 66.840 4,326.48 2,590 167.65 64,250 4,158,83 1,905 543 515 2.962 72.569 2,962 0.000000% 0.8750 2590 167.65 328 0.064729 01097797 HSR-KNOX 12-3 Weld 102,170 8,862.94 3,880 336,58 98.290 8.526.36 3.218 622 589 4.429 110,927 4,429 0.000000% 0.8750 3880 336,58 429 0.086747 01069797 HSR-PIZ 15-23 Weld 153,060 11,855.56 2,010 155.69 151.050 11,699.87 1.601 364 345 2,311 166,805 2,311 0.374844% 0,8750 2010 155.69 120 0.077457 01089497 HSR-FOSTER 6-35 Weld 116,890 8,937.06 2.690 205.67 114,200 8,731.39 1,817 643 609 3,070 126,909 3,070 0.000000% 0.8750 2690 205.67 118 0.076457 01083397 HSR-GUTTERSEN 15-1 Weld 119,610 10,013.50 2,810 235.25 116,800 9,778.25 1.830 707 670 3,207 129,862 3,207 0.000000% 0.8750 2810 235.25 788 0.083718 01070497 HSR-GUTTERSEN 3-15 Weld 137,400 11,918.36 2,460 213.39 134,940 11,704.97 1,619 610 578 2,807 149,177 2,807 0.000000% 0,8750 2460 213.39 789 0.086742 01087097 HSR-HOUSE 3-20 Weld 138.280 10,312.50 4,060 302.78 134,220 10,009.72 3,437 617 585 4,639 150,133 4,639 0.000000% 0.8750 4060 302.78 129 0.074577 01070097 HSR-WASTE SERVICES 5-34 Weld 95,130 6,157,66 2,870 185.77 92,260 5,971.89 1,914 701 665 3,280 103,284 3,280 0.000000% 0.8750 2870 185.77 328 0.064729 01069597 HSR-ANDERSON 3-3 Weld 101.140 8,773.60 3,090 268.05 98,050 8,505.55 1,745 919 871 3,535 109,809 3,535 0.000000% 0.8750 3090 268.05 429 0,086747 01094097 HSR-SEKICH 6-19 Weld 169,940 14,301.64 3.220 270.99 166,720 14,030.65 1,732 1,004 952 3,688 184,773 3,688 0.144585% 0.8750 3220 270.99 1313 0.084157 01070897 HSR-GUTTERSEN 1-4 Weld 55,120 3,567.86 2,220 143,70 52,900 3,424.16 1,466 550 521 2,537 59,845 2,537 0.000000% 08750 2220 14370 328 0.064729 01083897 HSR-GUTTERSEN 6-15 Weld 158,410 13,740.80 2,460 213.39 155,950 13,527.41 1,619 613 582 2.814 171,988 2.814 0.000000% 0.8750 2460 213.39 789 0.086742 01083497 HSR-BOOTH 8-2 Weld 80.320 6,967.12 2,430 210.78 77,890 6,756,34 1,442 688 653 2.783 87,205 2,783 0.000000% 08750 2430 210.78 789 0.086742 01069997 HSR-FOSTER 5-35 Weld 160,140 12,243.82 3,020 230.90 157,120 12,012.92 1,860 818 776 3.454 173,866 3,454 0.000000% 0,8750 3020 230.90 118 0.076457 01094797 H$R-HEINTZELMAN 9-32 Weld 95.020 7,774.34 2,660 217,64 92,360 7,556.70 1,420 829 786 3.035 103.165 3,035 0.000000% 0,8750 2660 217.64 114 0.081818 01083097 HSR-GUTTERSEN 2-4 Weld 67,900 4,395.10 1,850 119.75 66,050 4,275,35 1,447 345 327 2,118 73,720 2,118 0.000000% 0.8750 1850 119.75 328 0.064729 01094297 HSR-SEKICH 5-19 Weld 143,170 12,048,76 2,660 223.86 140,510 11.824.90 1.694 694 658 3,047 155,666 3,047 0.144288% 0.8750 2660 223.86 1313 0084157 01088497 HSR-AUGUST 15-29 Weld 74,800 5,57836 2,580 192.41 72,220 5,38595 1,716 631 598 2,945 81,211 2,945 0.000000% 0.8750 2580 19241 129 0.074577 01083697 HSR-BOOTH 7-2 Weld 123.600 10,721.32 2,420 209.92 121.180 10,511.40 1,530 633 600 2,763 134,194 2,763 0.000000% 0.8750 2420 209.92 789 0.086742 01085897 HSR-GUTTERSEN 11-33 Weld 81.590 5,281.24 2,620 169.59 78.970 5,111.65 1,614 707 670 2,991 88,583 2,991 0.000000% 0.8750 2620 169.59 328 0,064729 01085497 HSR-GUTTERSEN 14-33 Weld 85,280 5,52008 2,310 149,52 82,970 5,370.56 1,614 526 498 2,638 92,590 2,638 0.000000% 0.8750 2310 149,52 328 0064729 01084197 HSR-GUTTERSEN-STATE 7-28 Weld 88,000 5,962.26 1,660 112.47 86,340 5,849,79 1,658 263 250 2,171 109,192 2.171 12.500000% 0.8750 1660 112.47 335 0067753 01083197 HSR-GUTTERSEN 3-4 Weld 56,330 3,646.18 2,340 151.47 53,990 3,494,71 1,689 506 480 2,675 61,158 2.675 0.000000% 0.8750 2340 151.47 328 0.064729 01095097 HSR-NELSON 15-32 Weld 80,150 6,557.72 2.390 195.55 77,760 6.362,17 1,420 674 639 2.732 87.020 ?732 0.000000% 0.8750 2390 195.55 114 0.081818 01087997 HSR-EGGLER 11-29 Weld 99,820 7.444.28 2,440 481.9? 97.380 '.262.31 1 489 666 632 2 787 108 376 2 78 0 000000% 08750 2440 18197 129 0074577 01082997 HSR-GUTTERSEN 7-4 Weld 69.610 4.505.78 2090 135.28 67.520 4.370.50 1.433 493 468 2.394 75.577 2.394 0.000000% 0.8750 2090 135.28 328 0.064729 0/084291 HSR-GUTTERSEN STATE 10?8 Weld 64,700 4.383.62 2330 15786 62370 4 225 76 1438 822 779 3.038 80.281 3.038 12 500000% 08750 2330 15786 135 0.067753 Page 47 of 48 NS RESOURCES COMPANY PETITION FOR REFUND OF TAXES-1997 TAXES(1996 PRODUCTION YEAR) Original Abate./ Assessed Assessed Refund Balance Direct Return on Return of Exempt Value of Schedule Production Assessed Abate./ Assessed Operating Investment Investment Total 95% Allowable Royalty Assessment Allowable Production No. Well Name County Value Original Tax Value Refund Tax Value Balance Tax Expenses (ROI) (Rog) Deduction Limitation Deductions Percentage Ratio Deduction Tax Refund Tax District Tax Rate 01094997 HSR-HEINTZELMAN 16-32 Weld 92,920 7,602.52 2,340 191.45 90,580 7,411.07 1,420 645 612 2.677 100.885 2.677 0.000000% 0.8750 2340 191.45 114 0.081818 01083297 HSR-GUTTERSEN 5-4 Weld 59.750 3,867.56 2,470 159.88 57,280 3.707.68 1,689 584 554 2.827 64,8]1 2,827 0.000000% 0.8750 2470 159.88 328 0.064729 01084697 HSR-GUTTERSEN-STATE 15-28 Weld 42,690 2,892.38 2,160 146.35 40,530 2,746.03 1,472 690 654 2,816 52,970 2,816 12500000% 0.8750 2160 146.35 335 0.067753 01095497 HSR-LEONARD 12-15 Weld 81.480 6,419.00 2.930 23083 78.550 6,188.17 1,449 977 926 3,353 88,464 3.353 0000000% 0.8750 2930 23083 558 0.07878 01095897 HSR-LEONARD 13-15 Weld 103.230 8,132.46 2,390 188.28 100,840 7,944.18 1,439 665 631 2.735 112,078 2.735 0.000000% 0.8750 2390 18828 558 0.07878 01074997 HSR-VETTER 13-36 Weld 69,870 5.623.62 2,370 190.75 67.500 5,432.87 1,353 892 845 3,090 86,696 3.090 12.500000% 0.8750 2370 190.75 557 0.080487 01076097 HSR-VETTER 12-36 Weld 84,690 6,81644 2,210 177.88 82,480 6,638.56 1,353 790 749 2,892 105,085 2,892 12.500000% 0.8750 2210 177.88 557 0.080487 01074897 HSR-KING 3-23 Weld 74,260 5,538.08 2,550, 190.17 71710 5,34]91 1,916 512 486 2,915 80,625 2,915 0.000000% 0.8750 2550 190.17 129 0.074577 01091197 HSR-PESCO 4-2 Weld 112,100 8.343.94 5,620 418.31 106,480 7,925.63 4,660 902 856 6,418 121,709 6.418 0.000000% 0.8750 5620 418.31 106 0.074433 01092097 HSR-PESCO 13-2 Weld 152,720 11.367,40 3.]50 279.12 148.970 11.088.28 2,821 754 715 4,289 165,810 4,289 0.000000% 0.8750 3750 279.12 106 0.074433 01092697 HSR-PESCO 1-9 Weld 124,940 9,343.52 3.180 237.81 121,760 9.10571 1.507 1,094 1.038 3.639 135.649 3,639 0.000000% 0.8750 3180 237.81 112 0.074784 01096397 HSR-SELBY 2-32 Weld 93.040 7,450.00 2.710 217.00 90,330 7.233.00 1,108 1.027 973 3,108 101,303 3,108 0.284062% 0.8750 2710 217.00 520 0.080073 01144197 HSR-CERVI FEDERAL 6-29 Weld 179.240 11,527.82 2,160 138.92 177,080 11,388.90 1,144 931 882 2,957 233.524 2,957 16.666667% 0.8750 2160 138.92 302 0.064315 01086997 HSR-DANE 9-10 Weld 60,860 7,195.36 2,140 253.01 58.720 6,942.35 900 793 752 2.445 66.077 2,445 0.000000% 0.8750 2140 253.01 189 0118228 01086697 HSR-FRIC010-10 Weld 105,220 12,439.96 2,650 313.30 102,570 12,126.66 1,474 797 755 3,026 114,239 3,026 0.000000% 0.8750 2650 313.30 189 0.118228 00611996 HSR-FRICO 15-10 Weld 80.770 9.54928 2,690 318.03 78,080 9,23125 1.454 832 789 3.074 87,693 3,074 0.000000% 0.8750 2690 318.03 2103 0.118228 00611896 HSR-FRICO 16-10 Weld 94,790 11.206.84 3.530 417.34 91,260 10,789.50 2,369 856 811 4,036 102,915 4,036 0.000000% 0.8750 3530 417.34 2103 0.118228 01144797 HSR-STEWART 10-18 Weld 4,320 415.26 550 52.87 3,770 362.39 194 223 211 629 4,690 629 0.000000% 0.8750 550 52.87 180 0.096127 TOTAL WELD COUNTY 80,970.930 6.409,111.30 7,170.710 563,680.59 73,800,220 5.845,430.71 5.451.305 1,336,958 1,547,248 8,335,511 88,832,284 8.267,472 7,170,710 563,680.59 Page 48 of 48 Hello