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Production Company Cumulative Cum
Operator Name Berexco, Inc. Vess Oil Corporation Murfin Drilling Co., Inc. Oxy USA, Inc. American Warrior, Inc. Merit Energy Company Cimarex Energy Co. McCoy Petroleum Corporation Elysium Energy, L.L.C. Ritchie Exploration, Inc. PetroSantander (USA) Inc. Loeb, Herman L. Hartman Oil Co., Inc. White Eagle Resources Corp. Oil Producers, Inc. of Kansas Farmer, John O., Inc. Mull Drilling Company, Inc. Trans Pacific Oil Corporation Abercrombie Energy, LLC Schmitt, Carmen, Inc. Palomino Petroleum, Inc. Lario Oil & Gas Company Hess Oil Company IA Operating, Inc. Pickrell Drilling Company, Inc. Chesapeake Operating, Inc. Mai Oil Operations, Inc. L.D. Drilling, Inc. Petroleum Property Services, Inc. Rama Operating Co., Inc. Gore Oil Company Anadarko Petroleum Corporation American Energies Corporation Holl, F.G., Company L.L.C. Delta Petroleum Corporation Citation Oil & Gas Corp. Range Oil Company, Inc. Beredco, Inc. Pintail Petroleum, Ltd. Woolsey Operating Company, LLC Venture Resources, Inc. Bear Petroleum, Inc. H & B Petroleum Corp. Great Eastern Energy & Dev. Corp. DaMar Resources, Inc. Nadel and Gussman, LLC Landmark Resources, Inc. Daystar Petroleum, Inc. Dreiling Oil Inc Westport Oil and Gas Company LP Hansen, Dane G. - Trust Black Diamond Oil, Inc. Stelbar Oil Corporation, Inc. Future Petroleum Company LLC Downing-Nelson Oil Co Inc Haas, Mark L. Bowman Oil Company Northern Lights Oil Company, LLC Tengasco, Inc. Viking Resources, Inc Knighton Oil Company, Inc. Falcon Exploration, Inc. Kahan and Associates, Inc Hummon Corporation BP America Production Company M.A.E. Resources, Inc. Strata Exploration, Inc. Bolding, Grady Corporation Globe Operating, Inc. Colt Energy Inc Jason Oil Company Laymon Oil II, LLC Crown Energy Company Vincent Oil Corporation G L M Company Excalibur Production Company, Inc. Production Company Company Cumulative Barrels Percent Rank Production 1,546,728 4.62% 1 1,546,728 1,471,096 4.40% 2 3,017,824 1,260,885 3.77% 3 4,278,709 1,186,353 3.55% 4 5,465,062 729,542 2.18% 5 6,194,605 683,356 2.04% 6 6,877,961 587,857 1.76% 7 7,465,818 525,824 1.57% 8 7,991,642 469,468 1.40% 9 8,461,110 469,214 1.40% 10 8,930,324 466,113 1.39% 11 9,396,436 411,820 1.23% 12 9,808,256 397,181 1.19% 13 10,205,437 349,212 1.04% 14 10,554,649 323,062 0.97% 15 10,877,711 317,366 0.95% 16 11,195,077 306,147 0.92% 17 11,501,224 304,089 0.91% 18 11,805,312 285,393 0.85% 19 12,090,705 267,061 0.80% 20 12,357,766 260,022 0.78% 21 12,617,788 253,346 0.76% 22 12,871,134 252,457 0.75% 23 13,123,591 241,211 0.72% 24 13,364,801 237,601 0.71% 25 13,602,402 236,860 0.71% 26 13,839,263 220,861 0.66% 27 14,060,124 219,678 0.66% 28 14,279,802 204,658 0.61% 29 14,484,461 203,773 0.61% 30 14,688,234 195,742 0.59% 31 14,883,976 181,510 0.54% 32 15,065,487 181,490 0.54% 33 15,246,977 177,797 0.53% 34 15,424,774 176,689 0.53% 35 15,601,463 175,598 0.52% 36 15,777,061 175,207 0.52% 37 15,952,268 172,675 0.52% 38 16,124,944 169,303 0.51% 39 16,294,247 158,449 0.47% 40 16,452,696 154,455 0.46% 41 16,607,151 151,317 0.45% 42 16,758,468 150,898 0.45% 43 16,909,366 146,226 0.44% 44 17,055,593 145,645 0.44% 45 17,201,237 139,620 0.42% 46 17,340,857 138,166 0.41% 47 17,479,023 133,622 0.40% 48 17,612,645 127,213 0.38% 49 17,739,858 123,708 0.37% 50 17,863,566 121,431 0.36% 51 17,984,997 119,900 0.36% 52 18,104,897 119,012 0.36% 53 18,223,909 116,796 0.35% 54 18,340,705 114,559 0.34% 55 18,455,264 112,239 0.34% 56 18,567,503 108,969 0.33% 57 18,676,472 105,641 0.32% 58 18,782,114 105,378 0.32% 59 18,887,491 104,275 0.31% 60 18,991,766 103,747 0.31% 61 19,095,513 103,223 0.31% 62 19,198,736 102,968 0.31% 63 19,301,704 99,872 0.30% 64 19,401,576 99,170 0.30% 65 19,500,747 98,274 0.29% 66 19,599,020 97,730 0.29% 67 19,696,750 96,201 0.29% 68 19,792,951 95,513 0.29% 69 19,888,464 95,315 0.28% 70 19,983,779 93,696 0.28% 71 20,077,475 90,114 0.27% 72 20,167,589 89,053 0.27% 73 20,256,642 87,643 0.26% 74 20,344,285 87,407 0.26% 75 20,431,692 86,783 0.26% 76 20,518,474 Prepared by Tim Carr 1/3/2006 Cum Percent 4.62% 9.02% 12.79% 16.34% 18.52% 20.56% 22.32% 23.89% 25.29% 26.70% 28.09% 29.32% 30.51% 31.55% 32.52% 33.47% 34.38% 35.29% 36.15% 36.94% 37.72% 38.48% 39.23% 39.95% 40.66% 41.37% 42.03% 42.69% 43.30% 43.91% 44.50% 45.04% 45.58% 46.11% 46.64% 47.17% 47.69% 48.21% 48.71% 49.19% 49.65% 50.10% 50.55% 50.99% 51.42% 51.84% 52.25% 52.65% 53.03% 53.40% 53.77% 54.13% 54.48% 54.83% 55.17% 55.51% 55.83% 56.15% 56.46% 56.78% 57.09% 57.40% 57.70% 58.00% 58.30% 58.59% 58.88% 59.17% 59.46% 59.74% 60.02% 60.29% 60.56% 60.82% 61.08% 61.34% Page 1 Operator Name Edmiston Oil Company, Inc. R & B Oil & Gas, Inc. Russell Oil, Inc. Presco Western LLC Te-Pe Oil & Gas Shelby Resources LLC Norstar Petroleum, Inc. Bach Oil Production Shields Oil Producers Inc TGT Petroleum Corporation Grand Mesa Operating Company Continental Operating Co. Davis Petroleum, Inc. Vintage Petroleum, Inc. Larson Operating Company Zenith Drilling Corporation Apollo Energies, Inc. Baird Oil Company LLC White, Kenneth S. White & Ellis Drilling, Inc. Schlobohm, Starr F. White Hawk Oil Company Castle Resources, Inc. Scheck Oil Operation Equinox Oil Company Eagle River Energy Corporation Rains & Williamson Oil Co., Inc. Buckeye Corp., Aztec Oil Co. Division Nixon, R P Operations, Inc Bennett & Schulte Oil Co. Petroleum Technologies, Inc. Hugoton Energy Corporation Younger Energy Company Tomkat, Ltd. D. E. Exploration, Inc. Anderson Energy, Inc. Viva International, Inc. Raymond Oil Company, Inc. Bruce Oil Company L.L.C. Coral Production Corporation Sonat Exploration Company Anstine & Musgrove Inc. Blake Production Co., Inc. Wabash Energy Corporation Shaida, John H. Cyclone Petroleum, Incorporated Lauck, D.R. Oil Co., Inc. Brungardt Oil and Leasing Inc. Robinowitz Oil Company C. H. Todd, Inc. Hawkins Oil, LLC Argent Energy, Inc. KLM Exploration Company, Inc. Weigel, V. Francis - Family Partnership Charter Energy, Inc. Town Oil Company Inc. Phillips Petroleum Co. Ensminger, Donald & Jack Thoroughbred Associates L.L.C. Jones & Buck Development Hillenburg Oil Co. Jackson Bros., L.L.C. E S P Development, Inc. Kantor Oil Company Trimble & McClaskey Oil LLC Mar-Lou Oil Co., LLC Devon Energy Production Company,L.P. Raydon Exploration, Inc. Piqua Petro, Inc. Brown, Thomas M. Kenny Brown Enterprises LLC Quinque Operating Company Jolen Operating Company H & C Oil Operating Inc. Becker Oil Corporation Darrah, John Jay, Jr. Production Company Company Cumulative Barrels Percent Rank Production 86,447 0.26% 77 20,604,921 86,401 0.26% 78 20,691,322 84,112 0.25% 79 20,775,434 83,724 0.25% 80 20,859,158 83,467 0.25% 81 20,942,625 77,621 0.23% 82 21,020,246 76,863 0.23% 83 21,097,109 75,425 0.23% 84 21,172,534 75,262 0.22% 85 21,247,795 74,934 0.22% 86 21,322,730 74,928 0.22% 87 21,397,658 72,869 0.22% 88 21,470,527 72,694 0.22% 89 21,543,221 72,078 0.22% 90 21,615,299 71,060 0.21% 91 21,686,359 70,248 0.21% 92 21,756,607 69,871 0.21% 93 21,826,478 69,554 0.21% 94 21,896,031 69,341 0.21% 95 21,965,372 68,655 0.21% 96 22,034,027 68,543 0.20% 97 22,102,570 66,983 0.20% 98 22,169,553 66,796 0.20% 99 22,236,349 66,543 0.20% 100 22,302,892 64,685 0.19% 101 22,367,577 64,467 0.19% 102 22,432,044 64,318 0.19% 103 22,496,362 63,643 0.19% 104 22,560,005 63,519 0.19% 105 22,623,524 61,448 0.18% 106 22,684,972 61,217 0.18% 107 22,746,189 60,179 0.18% 108 22,806,368 59,862 0.18% 109 22,866,230 58,145 0.17% 110 22,924,375 58,134 0.17% 111 22,982,509 57,484 0.17% 112 23,039,992 56,878 0.17% 113 23,096,871 56,042 0.17% 114 23,152,912 54,903 0.16% 115 23,207,816 53,749 0.16% 116 23,261,565 53,697 0.16% 117 23,315,262 53,333 0.16% 118 23,368,595 53,158 0.16% 119 23,421,753 53,055 0.16% 120 23,474,809 51,487 0.15% 121 23,526,295 50,853 0.15% 122 23,577,148 50,782 0.15% 123 23,627,930 50,259 0.15% 124 23,678,189 49,145 0.15% 125 23,727,334 48,535 0.15% 126 23,775,869 48,383 0.14% 127 23,824,252 47,565 0.14% 128 23,871,816 47,187 0.14% 129 23,919,003 46,309 0.14% 130 23,965,312 46,238 0.14% 131 24,011,550 46,211 0.14% 132 24,057,761 46,088 0.14% 133 24,103,849 46,050 0.14% 134 24,149,899 45,706 0.14% 135 24,195,605 45,429 0.14% 136 24,241,034 44,844 0.13% 137 24,285,878 44,816 0.13% 138 24,330,694 44,142 0.13% 139 24,374,837 44,135 0.13% 140 24,418,972 43,849 0.13% 141 24,462,821 43,718 0.13% 142 24,506,539 43,358 0.13% 143 24,549,897 42,752 0.13% 144 24,592,649 42,564 0.13% 145 24,635,213 42,323 0.13% 146 24,677,535 42,210 0.13% 147 24,719,746 42,201 0.13% 148 24,761,946 41,903 0.13% 149 24,803,850 41,178 0.12% 150 24,845,028 40,541 0.12% 151 24,885,569 40,248 0.12% 152 24,925,817 Prepared by Tim Carr 1/3/2006 Cum Percent 61.60% 61.86% 62.11% 62.36% 62.61% 62.84% 63.07% 63.30% 63.52% 63.74% 63.97% 64.19% 64.40% 64.62% 64.83% 65.04% 65.25% 65.46% 65.67% 65.87% 66.08% 66.28% 66.48% 66.68% 66.87% 67.06% 67.25% 67.44% 67.63% 67.82% 68.00% 68.18% 68.36% 68.53% 68.71% 68.88% 69.05% 69.22% 69.38% 69.54% 69.70% 69.86% 70.02% 70.18% 70.33% 70.48% 70.64% 70.79% 70.93% 71.08% 71.22% 71.37% 71.51% 71.65% 71.78% 71.92% 72.06% 72.20% 72.33% 72.47% 72.60% 72.74% 72.87% 73.00% 73.13% 73.26% 73.39% 73.52% 73.65% 73.77% 73.90% 74.03% 74.15% 74.28% 74.40% 74.52% Page 2 Operator Name Resource Operations, Inc. Lotus Operating Company, L.L.C. Mid Con Energy Corporation Shawmar Oil & Gas Co., Inc. Cross Bar Energy, LLC Hupfer Operating, Inc. New London Oil, Inc. Val Energy, Inc. Curt's Oil Operations Dixon-Dearmore Oil Company, Inc. Double Eagle Exploration, Inc. O'Dell-Tomlinson, LLC Pelican Hill Oil & Gas, Inc. Cattlemans Oil Operations Messenger Petroleum, Inc. Zinszer Oil Co., Inc. Pioneer Natural Resources Pioneer Exploration, Ltd. T & P Oil & Gas, L.L.C. Samuel Gary Jr. & Associates, Inc. Popp Operating, Inc. Blue Goose Drilling Company, Inc. Paul Bowman Oil Bristol Resources Corporation Docking Development Company, LLC Taurus Oil Company Novy Oil & Gas, Inc. Timberline Oil & Gas Corporation Tri United, Inc Lebsack Oil Production, Inc. Verde Oil Company Eagle Creek Corporation Mustang Oil and Gas Corp. Thomas Well Service, Inc. Unrein Oil Co Liberty Oper & Compl, Inc K & N Petroleum, Inc. Hertel Oil Company M G Oil Inc Prospect Oil & Gas Corp Diehl Oil Inc Molz Oil Company Whitetail Crude, Inc C & K Oil Company Glacier Petroleum Co., Inc. Petrol Oil & Gas, Inc. Staab Oil Co. Lonestar Oil Co Production Drilling, Inc. Double 'D' Oil Company, Inc. CMX, Inc. Petroleum Management, Inc. Anstine-Musgrove Pauley Oil RJM Company Big "O" National Petroleum Reserves, Inc. R J Enterprises Lachenmayr Oil Co. Cross Oil, L.L.C. Richlan Drilling Coral Coast Petroleum, L.C. Schmidt, Kermit Oil Operator Jody Oil & Gas Corporation Kremeier Prod. and Oper. Co. Energy Three, Inc. Fox, Don Premier Oil & Exploration Inc Nor-West Kansas Oil, L.L.C. AAS Oil Co., Inc. Wilton Petroleum, Inc. W. D. Short Oil Co. Gilbert-Stewart Operating LLC Standard Operating Company Beta Operating Company, LLC Schankie Well Service, Inc. Production Company Company Cumulative Barrels Percent Rank Production 40,182 0.12% 153 24,966,000 39,420 0.12% 154 25,005,420 39,190 0.12% 155 25,044,609 39,180 0.12% 156 25,083,790 38,960 0.12% 157 25,122,749 38,754 0.12% 158 25,161,504 38,210 0.11% 159 25,199,713 37,967 0.11% 160 25,237,680 37,865 0.11% 161 25,275,545 37,727 0.11% 162 25,313,272 37,648 0.11% 163 25,350,920 37,397 0.11% 164 25,388,317 37,297 0.11% 165 25,425,615 37,162 0.11% 166 25,462,776 37,161 0.11% 167 25,499,938 37,111 0.11% 168 25,537,049 37,053 0.11% 169 25,574,102 36,970 0.11% 170 25,611,072 36,718 0.11% 171 25,647,790 36,534 0.11% 172 25,684,324 36,472 0.11% 173 25,720,796 36,268 0.11% 174 25,757,063 36,178 0.11% 175 25,793,241 36,050 0.11% 176 25,829,291 35,781 0.11% 177 25,865,072 35,532 0.11% 178 25,900,604 35,361 0.11% 179 25,935,965 35,135 0.11% 180 25,971,100 34,869 0.10% 181 26,005,969 34,653 0.10% 182 26,040,622 34,219 0.10% 183 26,074,841 33,431 0.10% 184 26,108,271 33,250 0.10% 185 26,141,521 33,152 0.10% 186 26,174,673 33,008 0.10% 187 26,207,681 32,860 0.10% 188 26,240,541 32,697 0.10% 189 26,273,239 32,292 0.10% 190 26,305,531 31,869 0.10% 191 26,337,401 31,815 0.10% 192 26,369,216 31,626 0.09% 193 26,400,842 31,438 0.09% 194 26,432,280 31,434 0.09% 195 26,463,714 31,393 0.09% 196 26,495,107 31,040 0.09% 197 26,526,148 30,861 0.09% 198 26,557,009 30,757 0.09% 199 26,587,766 30,632 0.09% 200 26,618,398 30,418 0.09% 201 26,648,815 30,344 0.09% 202 26,679,160 30,300 0.09% 203 26,709,460 30,295 0.09% 204 26,739,755 30,245 0.09% 205 26,770,001 29,895 0.09% 206 26,799,895 29,885 0.09% 207 26,829,780 29,532 0.09% 208 26,859,311 29,477 0.09% 209 26,888,788 29,475 0.09% 210 26,918,263 29,190 0.09% 211 26,947,453 28,816 0.09% 212 26,976,269 28,638 0.09% 213 27,004,907 28,395 0.08% 214 27,033,302 28,343 0.08% 215 27,061,645 28,214 0.08% 216 27,089,859 28,152 0.08% 217 27,118,010 27,783 0.08% 218 27,145,793 27,723 0.08% 219 27,173,517 27,539 0.08% 220 27,201,056 27,102 0.08% 221 27,228,158 26,921 0.08% 222 27,255,079 26,775 0.08% 223 27,281,854 26,517 0.08% 224 27,308,371 26,507 0.08% 225 27,334,878 26,247 0.08% 226 27,361,125 26,034 0.08% 227 27,387,159 25,110 0.08% 228 27,412,269 Prepared by Tim Carr 1/3/2006 Cum Percent 74.64% 74.75% 74.87% 74.99% 75.11% 75.22% 75.34% 75.45% 75.56% 75.67% 75.79% 75.90% 76.01% 76.12% 76.23% 76.34% 76.45% 76.57% 76.67% 76.78% 76.89% 77.00% 77.11% 77.22% 77.32% 77.43% 77.54% 77.64% 77.75% 77.85% 77.95% 78.05% 78.15% 78.25% 78.35% 78.45% 78.54% 78.64% 78.74% 78.83% 78.93% 79.02% 79.11% 79.21% 79.30% 79.39% 79.48% 79.58% 79.67% 79.76% 79.85% 79.94% 80.03% 80.12% 80.21% 80.30% 80.38% 80.47% 80.56% 80.65% 80.73% 80.82% 80.90% 80.99% 81.07% 81.15% 81.24% 81.32% 81.40% 81.48% 81.56% 81.64% 81.72% 81.80% 81.87% 81.95% Page 3 Operator Name Dominion Oklahoma Texas Expl & Prod, Inc. HT Oil, LLC Boxberger, Carl Oil, Inc. D J Oil Operations Robinson Energy & Exploration, Inc. The Bill Bowman Oil Company Michael D. Weilert Oil Company Spring, Harry A. Edgewood Land and Cattle Co. Flowers Production Company, Inc. Sauder, Geo. E.Trust Walcher, Wayne E. Burlington Resources Oil & Gas Co. Phillips Oil Properties Inc. Ensign Operating Co. PennzEnergy Exploration & Production LLC Lee Phillips Oil Company C & E Oil Co. Bowles, Jack Koehn, Radell W. K-Bar Oil DNR Oil and Gas, Inc. Loewen Operator, Inc. Abderhalden, R. R. RL Investment, LLC Smith Oil Operations R J Patrick Operating, LLC Unknown The Don Brown Co. Horizon Resources, Inc. Whitco Petroleum, LP ECCO Kaiser-Francis Oil Company AGV Corp. Prater Oil & Gas Operations, Inc. Crane, Edward Klima Well Service, Inc. Scott's Well Service Inc Landers & Musgrove Oil Co., Inc. Four Star Oil & Gas Company Belport Oil, Inc. Trees Oil Company, The ZU, LLC OCFIW Oil Company, Inc. L & G Petroleum Operating, LLC Deutsch Oil Company Greenwood Resources L.L.C. Richardson Oil Louis Dreyfus Natural Gas Corp. Mid-Continent Energy Corp. Crawford Production Company Noah, Calvin Caldwell Enterprises, Inc. W.D. Short Oil Co., LLC EXCO Resources, Inc. Allam Production, Inc. Oil Company of America, Inc. Petex, Inc. Vonfeldt, Alan J D S & W Well Servicing, Inc. Denman, John M. Oil Co., Inc. Lewis Oil & Gas of Galva, Inc. Crawford, Keith Dunne Equities, Inc. Randon Production Company LLC Pratt Well Service, Inc. Kytex, Inc. Kraft, Arnold E. R.C.Taylor Companies, Inc. Kelso, Mike - Oil, Inc. La Veta Oil & Gas, LLC Prairie Resources, Inc. Schindler Oil Teichgraeber Oil, Inc. Berenergy Corporation Gregory Manning Production Company Company Cumulative Barrels Percent Rank Production 24,898 0.07% 229 27,437,167 24,874 0.07% 230 27,462,041 24,670 0.07% 231 27,486,711 24,524 0.07% 232 27,511,235 24,257 0.07% 233 27,535,492 24,223 0.07% 234 27,559,715 24,162 0.07% 235 27,583,877 24,122 0.07% 236 27,607,999 23,846 0.07% 237 27,631,845 23,767 0.07% 238 27,655,612 23,744 0.07% 239 27,679,356 23,555 0.07% 240 27,702,910 23,138 0.07% 241 27,726,048 23,111 0.07% 242 27,749,159 22,929 0.07% 243 27,772,088 22,698 0.07% 244 27,794,787 22,546 0.07% 245 27,817,333 22,448 0.07% 246 27,839,780 22,378 0.07% 247 27,862,158 22,283 0.07% 248 27,884,441 22,210 0.07% 249 27,906,652 22,146 0.07% 250 27,928,798 21,735 0.06% 251 27,950,532 21,727 0.06% 252 27,972,260 21,686 0.06% 253 27,993,946 21,627 0.06% 254 28,015,572 21,608 0.06% 255 28,037,181 21,556 0.06% 256 28,058,737 21,414 0.06% 257 28,080,151 21,336 0.06% 258 28,101,487 21,275 0.06% 259 28,122,762 21,253 0.06% 260 28,144,015 21,227 0.06% 261 28,165,242 21,206 0.06% 262 28,186,448 20,992 0.06% 263 28,207,440 20,822 0.06% 264 28,228,262 20,638 0.06% 265 28,248,900 20,611 0.06% 266 28,269,511 20,477 0.06% 267 28,289,987 20,445 0.06% 268 28,310,432 20,185 0.06% 269 28,330,617 20,166 0.06% 270 28,350,783 20,014 0.06% 271 28,370,797 19,960 0.06% 272 28,390,758 19,626 0.06% 273 28,410,384 19,547 0.06% 274 28,429,930 19,540 0.06% 275 28,449,470 19,184 0.06% 276 28,468,654 19,152 0.06% 277 28,487,805 19,091 0.06% 278 28,506,897 19,023 0.06% 279 28,525,920 18,864 0.06% 280 28,544,784 18,858 0.06% 281 28,563,642 18,791 0.06% 282 28,582,433 18,774 0.06% 283 28,601,207 18,717 0.06% 284 28,619,924 18,668 0.06% 285 28,638,592 18,461 0.06% 286 28,657,053 18,104 0.05% 287 28,675,157 18,092 0.05% 288 28,693,249 17,736 0.05% 289 28,710,985 17,734 0.05% 290 28,728,719 17,690 0.05% 291 28,746,409 17,684 0.05% 292 28,764,093 17,599 0.05% 293 28,781,692 17,585 0.05% 294 28,799,277 17,442 0.05% 295 28,816,719 17,415 0.05% 296 28,834,134 17,404 0.05% 297 28,851,538 17,360 0.05% 298 28,868,898 17,335 0.05% 299 28,886,233 17,308 0.05% 300 28,903,542 17,214 0.05% 301 28,920,756 17,030 0.05% 302 28,937,786 16,993 0.05% 303 28,954,779 16,919 0.05% 304 28,971,698 Prepared by Tim Carr 1/3/2006 Cum Percent 82.02% 82.10% 82.17% 82.25% 82.32% 82.39% 82.46% 82.54% 82.61% 82.68% 82.75% 82.82% 82.89% 82.96% 83.03% 83.09% 83.16% 83.23% 83.29% 83.36% 83.43% 83.49% 83.56% 83.62% 83.69% 83.75% 83.82% 83.88% 83.95% 84.01% 84.07% 84.14% 84.20% 84.26% 84.33% 84.39% 84.45% 84.51% 84.57% 84.63% 84.70% 84.76% 84.82% 84.88% 84.93% 84.99% 85.05% 85.11% 85.17% 85.22% 85.28% 85.34% 85.39% 85.45% 85.50% 85.56% 85.62% 85.67% 85.73% 85.78% 85.83% 85.89% 85.94% 85.99% 86.04% 86.10% 86.15% 86.20% 86.25% 86.30% 86.36% 86.41% 86.46% 86.51% 86.56% 86.61% Page 4 Operator Name Weinkauf Petroleum, Inc. Lutz, Thomas C. Central Resources, Inc. Helmerich & Payne, Inc. Mid-Continent Resources, Inc. Red Oak Energy, Inc. Dawson-Markwell Expl. Co. S & M Oil Owen's Pumping Service Encore Operating Company TWM Production Co. BuRay, LLC Giles, Benjamin M. Vamco Operations Troy Jaco, Inc. Judson Enterprises, Inc. Hughes Drilling Co Panaco, Inc. S & S Oil, LC Marlin Oil Corporation Cleaver, Loraine G. Bradley Oil Company Big Horn Oil Co., Inc. Ainsworth Operating Co. Driller's and Producer's, Inc. Hopper Oil Co., Inc. BG-5, Inc. Krier, Kirby Oil, Inc. Kutter Oil, Inc. Mack Energy Co. Harris Oil & Gas Company Craig Oil Company Veenker Resources, Inc. Noble Petroleum, Inc. K.J.S. Oil C & R Oil Kelly Company L C Martin Oil Properties Paxco, Inc. Folk Oil Huber, J.M. Corporation Leis, Victor J. C & S Oil Oil Partners, LLC Northstar Investments, Inc. Great Plains Resources, Inc. Eagle Petroleum, Inc. Bryce F. Hayes Oil & Gas Hoener, Ross Yost, M.A. Operations, Inc Evans Oil Inc. MICA Energy Corp. J & D Investment Co. C.W. Oil Producer J & J Oil Frontier Oil Company Maverick Oil Co. Dunne Investments Operating, Inc. Belco Energy Corp. Tripower Resources, Inc. Edwards Oil Properties Robuck Petroleum Company Estate of Lutz, Scott Thomas Thomason Petroleum, Inc Evans, John Roy Berentz Drilling Co., Inc. Birk Petroleum Bobcat Oilfield Services, Inc. NRD - Rein Resources Onshore, L.L.C. A X & P, Inc. Hembree, Robert F Cla-Mar Oil, Company Johnson Oil New Donna Lee Oil Company R J Operating Co. Production Company Company Cumulative Barrels Percent Rank Production 16,814 0.05% 305 28,988,512 16,813 0.05% 306 29,005,325 16,683 0.05% 307 29,022,008 16,412 0.05% 308 29,038,420 16,400 0.05% 309 29,054,820 16,282 0.05% 310 29,071,101 16,271 0.05% 311 29,087,373 16,203 0.05% 312 29,103,576 16,196 0.05% 313 29,119,771 16,188 0.05% 314 29,135,959 16,152 0.05% 315 29,152,111 16,038 0.05% 316 29,168,149 15,928 0.05% 317 29,184,077 15,899 0.05% 318 29,199,976 15,886 0.05% 319 29,215,862 15,852 0.05% 320 29,231,715 15,751 0.05% 321 29,247,466 15,669 0.05% 322 29,263,135 15,645 0.05% 323 29,278,780 15,587 0.05% 324 29,294,367 15,544 0.05% 325 29,309,911 15,486 0.05% 326 29,325,397 15,446 0.05% 327 29,340,843 15,267 0.05% 328 29,356,109 15,104 0.05% 329 29,371,214 14,976 0.04% 330 29,386,190 14,648 0.04% 331 29,400,837 14,599 0.04% 332 29,415,437 14,581 0.04% 333 29,430,017 14,535 0.04% 334 29,444,552 14,408 0.04% 335 29,458,960 14,333 0.04% 336 29,473,293 14,298 0.04% 337 29,487,591 14,271 0.04% 338 29,501,862 14,250 0.04% 339 29,516,112 13,957 0.04% 340 29,530,069 13,902 0.04% 341 29,543,971 13,842 0.04% 342 29,557,813 13,838 0.04% 343 29,571,651 13,832 0.04% 344 29,585,483 13,812 0.04% 345 29,599,295 13,807 0.04% 346 29,613,103 13,767 0.04% 347 29,626,869 13,755 0.04% 348 29,640,624 13,672 0.04% 349 29,654,296 13,546 0.04% 350 29,667,842 13,506 0.04% 351 29,681,349 13,504 0.04% 352 29,694,853 13,482 0.04% 353 29,708,335 13,463 0.04% 354 29,721,799 13,445 0.04% 355 29,735,243 13,381 0.04% 356 29,748,624 13,348 0.04% 357 29,761,972 13,344 0.04% 358 29,775,316 13,289 0.04% 359 29,788,605 13,264 0.04% 360 29,801,869 13,227 0.04% 361 29,815,096 13,196 0.04% 362 29,828,293 13,026 0.04% 363 29,841,319 12,976 0.04% 364 29,854,295 12,959 0.04% 365 29,867,253 12,906 0.04% 366 29,880,160 12,848 0.04% 367 29,893,008 12,786 0.04% 368 29,905,794 12,756 0.04% 369 29,918,549 12,740 0.04% 370 29,931,289 12,733 0.04% 371 29,944,023 12,707 0.04% 372 29,956,730 12,689 0.04% 373 29,969,419 12,666 0.04% 374 29,982,085 12,613 0.04% 375 29,994,698 12,608 0.04% 376 30,007,306 12,599 0.04% 377 30,019,905 12,508 0.04% 378 30,032,413 12,384 0.04% 379 30,044,797 12,320 0.04% 380 30,057,117 Prepared by Tim Carr 1/3/2006 Cum Percent 86.66% 86.71% 86.76% 86.81% 86.86% 86.91% 86.96% 87.01% 87.05% 87.10% 87.15% 87.20% 87.25% 87.29% 87.34% 87.39% 87.44% 87.48% 87.53% 87.58% 87.62% 87.67% 87.72% 87.76% 87.81% 87.85% 87.89% 87.94% 87.98% 88.03% 88.07% 88.11% 88.15% 88.20% 88.24% 88.28% 88.32% 88.36% 88.41% 88.45% 88.49% 88.53% 88.57% 88.61% 88.65% 88.69% 88.73% 88.77% 88.81% 88.85% 88.89% 88.93% 88.97% 89.01% 89.05% 89.09% 89.13% 89.17% 89.21% 89.25% 89.29% 89.33% 89.37% 89.40% 89.44% 89.48% 89.52% 89.56% 89.59% 89.63% 89.67% 89.71% 89.75% 89.78% 89.82% 89.86% Page 5 Operator Name Lucky Iron McClelland Oil MWK Petroleum Co. Braden Petroleum & Well Plugging Company McGinness Oil Company of Kansas, Inc. Canaday Oil Corporation Lone Wolf Oil Mach Petroleum, Inc. Adeco, Inc. Christian Operating Company Wheeler Oil Company Casebeer, Inc. Brigman Production, Inc. Clinton Production, Inc. Woods Oil H & L Operating Co., L.L.P. D K Operating T. D. I. Oil Operations Kenneth & Regina Laymon, LLC Jerry Patterson Oil Mays, Sam W., Jr. Roberts and Murphy, Inc. Castelli Exploration, Inc. Hembree Energy, LLC Howell Oil Company, Inc. E & E Oil Connell, Mark Allen M.T.M. Petroleum Birk, Edward E. Diamond Star Oil, Inc. Slawson Exploration Company, Inc. Great Plains Petroleum, Inc. Langston, D. S. Nicholas Water Service, Inc. Shakespeare Oil Co., Inc. N P F Energy Corporation Sage, Larry George Patrick Development Corporation McFadden Oil Co. Roberts, Richard Lewis Hutchinson Oil Co. Exxon Mobil Corporation Denis F. Roberts Ron's Oil Operations Inc Union Valley Petroleum Corporation Harwell, Bob, Inc. Stubbs & Fleming Cabot Oil & Gas Corporation Jones, Steve & Jeni Apache Drilling Co, Inc Mid-Continent Energy Operating Co. Farthing, Mark Crawford Oil Company H & H Oil Co. HK&W Oil Company, Inc. White Pine Petroleum Corporation D-Oil, Inc. Wildcat Oil & Gas LLC Rolling Meadows Oil & Gas Development, LLC Midco Exploration, Inc. Suncrest Energy, Inc. K & B Norton Oil & Investments, LLC Giant Expl. & Prod. Company Max Oil Company Barnard Oil Operations Barracuda Operating Company Schulz Oil & Gas, Inc. L & J Oil Properties, Inc. Morris, Richard B. Dark Horse Oil Company LLC Wellwin Drilling Corporation J. Carter Oil C. D. OIL, Inc. Barton Exploration, Inc. Plano Petroleum Corporation Bramwell Petroleum, Inc. Production Company Company Cumulative Barrels Percent Rank Production 12,248 0.04% 381 30,069,365 12,224 0.04% 382 30,081,589 12,183 0.04% 383 30,093,772 12,022 0.04% 384 30,105,794 12,002 0.04% 385 30,117,796 12,001 0.04% 386 30,129,797 11,987 0.04% 387 30,141,784 11,964 0.04% 388 30,153,747 11,956 0.04% 389 30,165,703 11,955 0.04% 390 30,177,659 11,946 0.04% 391 30,189,605 11,901 0.04% 392 30,201,506 11,887 0.04% 393 30,213,392 11,836 0.04% 394 30,225,228 11,811 0.04% 395 30,237,040 11,628 0.03% 396 30,248,668 11,607 0.03% 397 30,260,275 11,601 0.03% 398 30,271,876 11,593 0.03% 399 30,283,469 11,537 0.03% 400 30,295,006 11,460 0.03% 401 30,306,466 11,331 0.03% 402 30,317,797 11,310 0.03% 403 30,329,106 11,262 0.03% 404 30,340,369 11,216 0.03% 405 30,351,584 11,208 0.03% 406 30,362,793 11,195 0.03% 407 30,373,988 11,168 0.03% 408 30,385,156 11,125 0.03% 409 30,396,282 11,090 0.03% 410 30,407,371 10,981 0.03% 411 30,418,352 10,971 0.03% 412 30,429,323 10,822 0.03% 413 30,440,145 10,779 0.03% 414 30,450,924 10,660 0.03% 415 30,461,583 10,641 0.03% 416 30,472,225 10,629 0.03% 417 30,482,854 10,613 0.03% 418 30,493,467 10,576 0.03% 419 30,504,043 10,573 0.03% 420 30,514,616 10,548 0.03% 421 30,525,164 10,543 0.03% 422 30,535,707 10,522 0.03% 423 30,546,230 10,511 0.03% 424 30,556,741 10,449 0.03% 425 30,567,190 10,416 0.03% 426 30,577,606 10,392 0.03% 427 30,587,997 10,360 0.03% 428 30,598,358 10,357 0.03% 429 30,608,715 10,355 0.03% 430 30,619,069 10,260 0.03% 431 30,629,330 10,213 0.03% 432 30,639,542 10,185 0.03% 433 30,649,727 10,104 0.03% 434 30,659,831 10,078 0.03% 435 30,669,909 10,017 0.03% 436 30,679,926 9,970 0.03% 437 30,689,896 9,938 0.03% 438 30,699,833 9,836 0.03% 439 30,709,669 9,830 0.03% 440 30,719,499 9,785 0.03% 441 30,729,284 9,690 0.03% 442 30,738,974 9,683 0.03% 443 30,748,657 9,679 0.03% 444 30,758,336 9,667 0.03% 445 30,768,003 9,661 0.03% 446 30,777,664 9,590 0.03% 447 30,787,254 9,587 0.03% 448 30,796,841 9,586 0.03% 449 30,806,427 9,559 0.03% 450 30,815,985 9,411 0.03% 451 30,825,396 9,409 0.03% 452 30,834,805 9,389 0.03% 453 30,844,194 9,341 0.03% 454 30,853,534 9,299 0.03% 455 30,862,833 9,259 0.03% 456 30,872,091 Prepared by Tim Carr 1/3/2006 Cum Percent 89.89% 89.93% 89.97% 90.00% 90.04% 90.07% 90.11% 90.15% 90.18% 90.22% 90.25% 90.29% 90.32% 90.36% 90.39% 90.43% 90.46% 90.50% 90.53% 90.57% 90.60% 90.64% 90.67% 90.70% 90.74% 90.77% 90.80% 90.84% 90.87% 90.90% 90.94% 90.97% 91.00% 91.03% 91.07% 91.10% 91.13% 91.16% 91.19% 91.22% 91.26% 91.29% 91.32% 91.35% 91.38% 91.41% 91.44% 91.47% 91.51% 91.54% 91.57% 91.60% 91.63% 91.66% 91.69% 91.72% 91.75% 91.78% 91.81% 91.84% 91.87% 91.90% 91.92% 91.95% 91.98% 92.01% 92.04% 92.07% 92.10% 92.13% 92.15% 92.18% 92.21% 92.24% 92.27% 92.29% Page 6 Operator Name Eason Drilling & Services Co. CAT Energy, LLC D & J Investments Well Tech Oil and Gas, Inc. Habit Petroleum Giant Holding, LLC Chieftain Oil Co., Inc. Campbell, Robert E. James W. Collins Oil Operations CWB - CO Energy Search Operating Company JD Production Co. Gen-Dor Oil Co. Platte Valley Oil Co., Inc. Goby Energy, Inc. Boyer, Jay C. J H R Corp. Ross Gault Siroky Oil Management Diamond B Miami Flood, Ltd. Miller Bros. Oil Co., Inc. Holt, Ivan Leroy Philpott Oil & Gas Co Inc R & W Energies Bowers Drilling Co., Inc. T & R Oil Company Dolphin Energy LLC N.F. Producers, Inc. Coats Energy, Inc. Stripper Oil Co SPS, INC. KBW Oil & Gas Company Camio Oil Company Schreiber Oil Co. Anderson, Kent Carroll Energy, LLC Ginther Oil Operations Shelley, Randall D. Captain's Oil Inc. Blueridge Petroleum Corporation KSC Oil Karst, Don Well Service, Inc. Trich Production, Inc. Fisher, Reginald D. Soule, Richard A. Bandy Oil & Gas, LLC K.C. Operations Fritzler Resources, Inc. Pitman, John Opdycke Lease Partners Perkins Oil Enterprises, Inc. Rude Crude Lang, Kenneth R. Bailey Oil Co., Inc. Pride Energy Company Coen Energy Corporation Sundown Energy Inc. Cannon Oil Co. Willis Energy Lang, Herman - Marital Trust Jenkins, Don Protege Energy LLC Stephens & Johnson Operating Co. Steckel Oil, LLC Reusch Well Service Inc StepCo Oil, Inc. Potato Creek, L.L.C. Elmore, John A. Dixon, James David K & S Oil Co. Osborn Heirs Company, LTD JRC Oil Co., Inc. Howell Oil Co. V.J.I. Natural Resources, Inc. Doonan and Sons, Inc. E R Operating Company Production Company Company Cumulative Barrels Percent Rank Production 9,181 0.03% 457 30,881,272 9,074 0.03% 458 30,890,346 9,074 0.03% 459 30,899,420 9,072 0.03% 460 30,908,492 9,065 0.03% 461 30,917,557 9,055 0.03% 462 30,926,612 8,988 0.03% 463 30,935,600 8,986 0.03% 464 30,944,586 8,974 0.03% 465 30,953,560 8,848 0.03% 466 30,962,408 8,816 0.03% 467 30,971,224 8,741 0.03% 468 30,979,966 8,740 0.03% 469 30,988,706 8,624 0.03% 470 30,997,330 8,547 0.03% 471 31,005,876 8,460 0.03% 472 31,014,336 8,459 0.03% 473 31,022,796 8,420 0.03% 474 31,031,215 8,383 0.03% 475 31,039,599 8,366 0.03% 476 31,047,964 8,358 0.02% 477 31,056,322 8,332 0.02% 478 31,064,655 8,255 0.02% 479 31,072,909 8,200 0.02% 480 31,081,110 8,183 0.02% 481 31,089,292 8,133 0.02% 482 31,097,426 8,126 0.02% 483 31,105,551 8,123 0.02% 484 31,113,674 8,069 0.02% 485 31,121,743 8,009 0.02% 486 31,129,752 7,996 0.02% 487 31,137,748 7,954 0.02% 488 31,145,702 7,921 0.02% 489 31,153,623 7,869 0.02% 490 31,161,492 7,832 0.02% 491 31,169,324 7,825 0.02% 492 31,177,149 7,776 0.02% 493 31,184,925 7,761 0.02% 494 31,192,686 7,746 0.02% 495 31,200,432 7,723 0.02% 496 31,208,155 7,713 0.02% 497 31,215,868 7,687 0.02% 498 31,223,555 7,675 0.02% 499 31,231,230 7,642 0.02% 500 31,238,872 7,615 0.02% 501 31,246,487 7,582 0.02% 502 31,254,069 7,512 0.02% 503 31,261,581 7,478 0.02% 504 31,269,059 7,459 0.02% 505 31,276,517 7,446 0.02% 506 31,283,964 7,343 0.02% 507 31,291,307 7,325 0.02% 508 31,298,632 7,319 0.02% 509 31,305,951 7,288 0.02% 510 31,313,239 7,285 0.02% 511 31,320,524 7,280 0.02% 512 31,327,804 7,261 0.02% 513 31,335,066 7,253 0.02% 514 31,342,318 7,246 0.02% 515 31,349,564 7,228 0.02% 516 31,356,792 7,211 0.02% 517 31,364,003 7,206 0.02% 518 31,371,209 7,136 0.02% 519 31,378,345 7,101 0.02% 520 31,385,446 7,086 0.02% 521 31,392,533 7,062 0.02% 522 31,399,594 7,050 0.02% 523 31,406,644 7,033 0.02% 524 31,413,677 7,028 0.02% 525 31,420,705 7,021 0.02% 526 31,427,727 7,021 0.02% 527 31,434,748 7,001 0.02% 528 31,441,749 6,971 0.02% 529 31,448,721 6,928 0.02% 530 31,455,649 6,866 0.02% 531 31,462,515 6,823 0.02% 532 31,469,337 Prepared by Tim Carr 1/3/2006 Cum Percent 92.32% 92.35% 92.37% 92.40% 92.43% 92.46% 92.48% 92.51% 92.54% 92.56% 92.59% 92.62% 92.64% 92.67% 92.69% 92.72% 92.74% 92.77% 92.79% 92.82% 92.84% 92.87% 92.89% 92.92% 92.94% 92.97% 92.99% 93.02% 93.04% 93.06% 93.09% 93.11% 93.13% 93.16% 93.18% 93.21% 93.23% 93.25% 93.27% 93.30% 93.32% 93.34% 93.37% 93.39% 93.41% 93.44% 93.46% 93.48% 93.50% 93.52% 93.55% 93.57% 93.59% 93.61% 93.63% 93.66% 93.68% 93.70% 93.72% 93.74% 93.76% 93.79% 93.81% 93.83% 93.85% 93.87% 93.89% 93.91% 93.93% 93.95% 93.98% 94.00% 94.02% 94.04% 94.06% 94.08% Page 7 Operator Name Aleo Oil Company Karst Brothers Oil Co Key Gas Corp. Four-Way Operating, Inc. C & C Oil Tomco Oil, Inc. Rakestraw Bros., L.L.C Sandlin Oil Corporation Culver & Grounds Oil Properties, Inc. Leavell Resources Corporation Curry Oil Patteson Oil Brito Oil Company, Inc. Poor Boy Corporation J. Herrick Pro Thomsen Brothers Oil Co West Plains Enterprises, Inc Baird Oil Co, Inc Hammer MacLean ETAL Excel Oil & Gas L.L.C. Spess Oil Company Rice Production Company Hesse Petroleum Co.,L.L.C. FPCO Oil & Gas Co. Crystal River Molitor Oil, Inc. Buck, Paul Jordan N & W Enterprises, Inc. Richardson and Son Oil, Inc. Big Time Operators Little Joe's Oil Company Vaughn, Russell L. Enterprise Inc Messman Corporation Hayden Operating Peewe Oil Co. North Plains Corp. MSG Resources Inc. Stecklein Oil Company Fidelity Energy, Inc. Liboc, Inc. Reif Oil & Gas Company LLC Aaron Oil B & R Oil Co., Inc. Dreyer Oil Stallion Energy, Inc. Widrig Oil LLC RME Petroleum Company Kot, Inc. Kodiak Petroleum, Inc. Koehn, Eldon R. J-F Oil Company LLC Webco Oil Co., Inc. Merritt Oil Company L & B Crude, Inc. The Link Oil Company Aries Operating, LP McNeish Oil Operations Hoffman Oil, Inc. Patteson, Thomas Wade Karst, Elmer L TRI-EX Petroleum, LP Redland Resources, Inc. Mariah Operating Company, LLC W & W Production Company Elden Ambrosier King Energy Co. CAPCO Resource Corporation Driscoll, Jerry J Oil Investment Inc Gerstner, Joe Conley P. Smith LLC K.E. Snyder Co., LLC Hodges Oil Condor Energy, Inc. Comanche Resources Company Kema Oil Company, Inc. Production Company Company Cumulative Barrels Percent Rank Production 6,798 0.02% 533 31,476,135 6,777 0.02% 534 31,482,912 6,765 0.02% 535 31,489,677 6,753 0.02% 536 31,496,430 6,724 0.02% 537 31,503,154 6,697 0.02% 538 31,509,852 6,687 0.02% 539 31,516,539 6,679 0.02% 540 31,523,218 6,673 0.02% 541 31,529,891 6,655 0.02% 542 31,536,546 6,602 0.02% 543 31,543,148 6,548 0.02% 544 31,549,696 6,546 0.02% 545 31,556,242 6,519 0.02% 546 31,562,761 6,480 0.02% 547 31,569,241 6,460 0.02% 548 31,575,701 6,445 0.02% 549 31,582,146 6,407 0.02% 550 31,588,553 6,376 0.02% 551 31,594,929 6,334 0.02% 552 31,601,263 6,316 0.02% 553 31,607,579 6,302 0.02% 554 31,613,881 6,290 0.02% 555 31,620,171 6,278 0.02% 556 31,626,450 6,243 0.02% 557 31,632,692 6,237 0.02% 558 31,638,929 6,216 0.02% 559 31,645,145 6,207 0.02% 560 31,651,352 6,169 0.02% 561 31,657,521 6,143 0.02% 562 31,663,664 6,091 0.02% 563 31,669,755 6,066 0.02% 564 31,675,821 6,059 0.02% 565 31,681,880 6,010 0.02% 566 31,687,890 5,991 0.02% 567 31,693,881 5,986 0.02% 568 31,699,868 5,924 0.02% 569 31,705,792 5,921 0.02% 570 31,711,713 5,918 0.02% 571 31,717,630 5,904 0.02% 572 31,723,535 5,903 0.02% 573 31,729,438 5,851 0.02% 574 31,735,288 5,849 0.02% 575 31,741,137 5,846 0.02% 576 31,746,983 5,840 0.02% 577 31,752,823 5,840 0.02% 578 31,758,663 5,839 0.02% 579 31,764,502 5,832 0.02% 580 31,770,334 5,807 0.02% 581 31,776,141 5,803 0.02% 582 31,781,944 5,802 0.02% 583 31,787,747 5,800 0.02% 584 31,793,547 5,767 0.02% 585 31,799,314 5,726 0.02% 586 31,805,040 5,699 0.02% 587 31,810,739 5,694 0.02% 588 31,816,434 5,671 0.02% 589 31,822,104 5,625 0.02% 590 31,827,730 5,618 0.02% 591 31,833,347 5,598 0.02% 592 31,838,945 5,592 0.02% 593 31,844,537 5,577 0.02% 594 31,850,114 5,547 0.02% 595 31,855,661 5,543 0.02% 596 31,861,204 5,498 0.02% 597 31,866,702 5,491 0.02% 598 31,872,193 5,480 0.02% 599 31,877,672 5,476 0.02% 600 31,883,148 5,471 0.02% 601 31,888,619 5,470 0.02% 602 31,894,089 5,463 0.02% 603 31,899,552 5,427 0.02% 604 31,904,979 5,426 0.02% 605 31,910,405 5,404 0.02% 606 31,915,809 5,399 0.02% 607 31,921,209 5,386 0.02% 608 31,926,595 Prepared by Tim Carr 1/3/2006 Cum Percent 94.10% 94.12% 94.14% 94.16% 94.18% 94.20% 94.22% 94.24% 94.26% 94.28% 94.30% 94.32% 94.34% 94.36% 94.38% 94.40% 94.42% 94.44% 94.45% 94.47% 94.49% 94.51% 94.53% 94.55% 94.57% 94.59% 94.60% 94.62% 94.64% 94.66% 94.68% 94.70% 94.71% 94.73% 94.75% 94.77% 94.79% 94.80% 94.82% 94.84% 94.86% 94.87% 94.89% 94.91% 94.93% 94.94% 94.96% 94.98% 95.00% 95.01% 95.03% 95.05% 95.07% 95.08% 95.10% 95.12% 95.13% 95.15% 95.17% 95.18% 95.20% 95.22% 95.23% 95.25% 95.27% 95.28% 95.30% 95.32% 95.33% 95.35% 95.36% 95.38% 95.40% 95.41% 95.43% 95.45% Page 8 Operator Name Roberts Resources, Inc. Kanalta Resources, Ltd. Prospective Inv. & Trading Co., Ltd., The S.J. Titan Co. M&M Exploration, Inc. J.R. Oil Co. LED Enterprises LLC Imperial American Oil Corporation Jaed Production Co., Inc. MEM Partnership, LP Toshic Dynamics, LLC C & B Operating Inc. Charter Production Company Claassen Oil and Gas, Inc. Bell, James T. R. D. Energy, Inc. Parten, Kenneth N. Black Dahlia Oil & Gas Co. Big Eight Energy, L.L.C. D&R Oil Inc. Conley, Harry E.O.G. Resources Inc. Kera-Oil Casino Petroleum Co. Iuka-Carmi Development LLC Cleary Petroleum Corporation Central Operating, Inc. Cambron, Paul L. Farris, Bill Stull, Joel First National Oil, Inc. Fisk Oil, Inc. Sauder, Earl W. McCann Drilling, Inc. Hallwood Petroleum, Inc. Deer Run Oil Lease, LLC H. I., Inc. Brake Inc. M E Klein & Associates, Inc Five Star Energy, Inc. Pennmark Resources Company Kanaco Oil Company LB Exploration, Inc. BEMCO Zinke & Trumbo, Inc. Lorenzen Oil Company, Inc. Hale, L.D. Phillips Exploration Company L.C. M M Energy, Inc. Carrie Exploration & Development MKJ Oil Co LLC Anstine Oil Company TDR Construction, Inc. Snedco, Inc. Keen Oil Co Thunderbird Drilling, Inc. Schulein Company Gilliland, Anthony L. Kansas Oil Company Pada Petroleum, Inc. Pioneer Oil Company Crimson Resources, LLC Suerte Oil Company Gerald Michaelis Oil Kozisek, Darrell J Tailwater, Inc. Blake Exploration, LLC Holt, Ivan Coronado Oil & Gas, Inc. Kansas Oil, Inc. C & G Drilling, Inc. Owens Petroleum Ranken Energy Corporation Deck Oil Co. Adams Oil Rader Oil Company Production Company Company Cumulative Barrels Percent Rank Production 5,382 0.02% 609 31,931,977 5,378 0.02% 610 31,937,356 5,334 0.02% 611 31,942,689 5,307 0.02% 612 31,947,997 5,290 0.02% 613 31,953,286 5,279 0.02% 614 31,958,565 5,218 0.02% 615 31,963,783 5,196 0.02% 616 31,968,979 5,184 0.02% 617 31,974,162 5,166 0.02% 618 31,979,328 5,145 0.02% 619 31,984,474 5,143 0.02% 620 31,989,617 5,139 0.02% 621 31,994,756 5,114 0.02% 622 31,999,871 5,070 0.02% 623 32,004,941 5,061 0.02% 624 32,010,002 5,038 0.02% 625 32,015,040 5,014 0.01% 626 32,020,054 4,997 0.01% 627 32,025,051 4,995 0.01% 628 32,030,046 4,979 0.01% 629 32,035,025 4,979 0.01% 630 32,040,003 4,943 0.01% 631 32,044,947 4,925 0.01% 632 32,049,872 4,916 0.01% 633 32,054,788 4,915 0.01% 634 32,059,702 4,896 0.01% 635 32,064,598 4,886 0.01% 636 32,069,484 4,884 0.01% 637 32,074,368 4,879 0.01% 638 32,079,247 4,867 0.01% 639 32,084,114 4,849 0.01% 640 32,088,964 4,849 0.01% 641 32,093,813 4,840 0.01% 642 32,098,653 4,839 0.01% 643 32,103,492 4,830 0.01% 644 32,108,322 4,750 0.01% 645 32,113,072 4,742 0.01% 646 32,117,814 4,716 0.01% 647 32,122,530 4,709 0.01% 648 32,127,238 4,607 0.01% 649 32,131,845 4,602 0.01% 650 32,136,447 4,586 0.01% 651 32,141,033 4,582 0.01% 652 32,145,615 4,577 0.01% 653 32,150,192 4,569 0.01% 654 32,154,761 4,551 0.01% 655 32,159,313 4,540 0.01% 656 32,163,853 4,535 0.01% 657 32,168,388 4,503 0.01% 658 32,172,892 4,497 0.01% 659 32,177,388 4,467 0.01% 660 32,181,856 4,445 0.01% 661 32,186,300 4,442 0.01% 662 32,190,743 4,432 0.01% 663 32,195,175 4,413 0.01% 664 32,199,588 4,405 0.01% 665 32,203,992 4,392 0.01% 666 32,208,385 4,380 0.01% 667 32,212,765 4,380 0.01% 668 32,217,144 4,328 0.01% 669 32,221,472 4,306 0.01% 670 32,225,778 4,305 0.01% 671 32,230,083 4,250 0.01% 672 32,234,334 4,237 0.01% 673 32,238,570 4,234 0.01% 674 32,242,805 4,224 0.01% 675 32,247,028 4,202 0.01% 676 32,251,230 4,202 0.01% 677 32,255,433 4,182 0.01% 678 32,259,615 4,173 0.01% 679 32,263,787 4,149 0.01% 680 32,267,937 4,139 0.01% 681 32,272,076 4,132 0.01% 682 32,276,208 4,125 0.01% 683 32,280,334 4,122 0.01% 684 32,284,455 Prepared by Tim Carr 1/3/2006 Cum Percent 95.46% 95.48% 95.49% 95.51% 95.53% 95.54% 95.56% 95.57% 95.59% 95.60% 95.62% 95.63% 95.65% 95.66% 95.68% 95.69% 95.71% 95.72% 95.74% 95.75% 95.77% 95.78% 95.80% 95.81% 95.83% 95.84% 95.86% 95.87% 95.89% 95.90% 95.92% 95.93% 95.95% 95.96% 95.97% 95.99% 96.00% 96.02% 96.03% 96.05% 96.06% 96.07% 96.09% 96.10% 96.11% 96.13% 96.14% 96.15% 96.17% 96.18% 96.20% 96.21% 96.22% 96.24% 96.25% 96.26% 96.27% 96.29% 96.30% 96.31% 96.33% 96.34% 96.35% 96.37% 96.38% 96.39% 96.40% 96.42% 96.43% 96.44% 96.45% 96.47% 96.48% 96.49% 96.50% 96.52% Page 9 Operator Name Robl-Six, Inc. H & S Oil Co., LLC Sieg Energy, Inc. Kent, Cameron Hoff Oil & Gas Murjo Oil & Royalty Company Bell Brothers Hammerschmidt, William E Winder Oil Company Double 'K' Oil, Inc. Kizzar Well Servicing, Inc. Winterschied, Flossie RL Investment A & A Well Service Jones, Charles Koch Exploration Company J. M. Oil Company, Inc. Law Production, Inc. G-S-Z Oil Company Barnard Wells Co. Cudd Operating Corp. Ivan Holt Well Servicing Inc Maier Well Service, Inc. Buried Hills Prod. Co., Inc. Colorado Interstate Gas Company Brown, Tom Construction, Inc. Lorenz, James D. Clute Oil Corporation Westar Energy Corporation Santa Fe Energy Operating Partners, L.P. L. B. Oil 3 G Oil Co. Dale E. Jackson Production Co. I & F Oil and Farm Daniels Oil Seymour Oil Co., Inc. Schmidt, Terry D. Haddock, Jack L. Galemore, John E. AFG Energy, Inc. Red Cedar Oil Triple B Crude, LLC Gene Karlin Company Geist Oil Operations Key Production Company, Inc. Lockard Petroleum, Inc. Cody, Ken L. Clark Exploration Co. Moss Petroleum Company Penguin Petroleum Inc Alexander, Jesse R. Vantage Petroleum, Inc. Selco Drilling, Inc. Sierra Madre LLC Watson Petroleum, Inc. Har-Ken Agent, OK Jim Cain Triple 'S' Well Service, Inc. Bentley Oil & Gas Company C & R Well Service Don Sims Oil Clover Oil Company Gressel, Dewey H. Marshall, Lew L. DMH Petroleum, Inc. TKO Investments, Inc. 4-D Petroleum Consultants,LLC Smokey Valley Resources, Inc. Johnson, Donald L. B.B.L. Oil Producers Ansutz Oil J & H Oil Company Guardian Energy Consultants, Inc. Fadely, Dale Leon Banks Oil Co Tauy Oil, Inc Production Company Company Cumulative Barrels Percent Rank Production 4,108 0.01% 685 32,288,564 4,106 0.01% 686 32,292,670 4,106 0.01% 687 32,296,776 4,095 0.01% 688 32,300,871 4,082 0.01% 689 32,304,953 4,025 0.01% 690 32,308,978 3,988 0.01% 691 32,312,966 3,936 0.01% 692 32,316,902 3,918 0.01% 693 32,320,819 3,878 0.01% 694 32,324,697 3,874 0.01% 695 32,328,571 3,857 0.01% 696 32,332,429 3,855 0.01% 697 32,336,283 3,830 0.01% 698 32,340,114 3,802 0.01% 699 32,343,916 3,785 0.01% 700 32,347,701 3,759 0.01% 701 32,351,460 3,692 0.01% 702 32,355,152 3,661 0.01% 703 32,358,813 3,660 0.01% 704 32,362,473 3,659 0.01% 705 32,366,132 3,643 0.01% 706 32,369,775 3,640 0.01% 707 32,373,415 3,639 0.01% 708 32,377,054 3,610 0.01% 709 32,380,664 3,603 0.01% 710 32,384,267 3,594 0.01% 711 32,387,862 3,590 0.01% 712 32,391,452 3,575 0.01% 713 32,395,027 3,570 0.01% 714 32,398,597 3,551 0.01% 715 32,402,148 3,529 0.01% 716 32,405,678 3,527 0.01% 717 32,409,205 3,527 0.01% 718 32,412,732 3,525 0.01% 719 32,416,257 3,511 0.01% 720 32,419,768 3,507 0.01% 721 32,423,275 3,497 0.01% 722 32,426,773 3,493 0.01% 723 32,430,265 3,474 0.01% 724 32,433,739 3,474 0.01% 725 32,437,213 3,465 0.01% 726 32,440,678 3,464 0.01% 727 32,444,142 3,445 0.01% 728 32,447,587 3,440 0.01% 729 32,451,027 3,404 0.01% 730 32,454,431 3,396 0.01% 731 32,457,827 3,392 0.01% 732 32,461,219 3,355 0.01% 733 32,464,574 3,321 0.01% 734 32,467,894 3,317 0.01% 735 32,471,211 3,317 0.01% 736 32,474,528 3,272 0.01% 737 32,477,800 3,256 0.01% 738 32,481,056 3,254 0.01% 739 32,484,310 3,254 0.01% 740 32,487,564 3,249 0.01% 741 32,490,813 3,249 0.01% 742 32,494,062 3,238 0.01% 743 32,497,300 3,232 0.01% 744 32,500,532 3,208 0.01% 745 32,503,741 3,208 0.01% 746 32,506,948 3,187 0.01% 747 32,510,135 3,183 0.01% 748 32,513,319 3,175 0.01% 749 32,516,494 3,173 0.01% 750 32,519,666 3,147 0.01% 751 32,522,814 3,139 0.01% 752 32,525,953 3,137 0.01% 753 32,529,090 3,097 0.01% 754 32,532,187 3,094 0.01% 755 32,535,281 3,091 0.01% 756 32,538,372 3,075 0.01% 757 32,541,447 3,067 0.01% 758 32,544,514 3,056 0.01% 759 32,547,571 3,047 0.01% 760 32,550,618 Prepared by Tim Carr 1/3/2006 Cum Percent 96.53% 96.54% 96.55% 96.56% 96.58% 96.59% 96.60% 96.61% 96.62% 96.64% 96.65% 96.66% 96.67% 96.68% 96.69% 96.70% 96.72% 96.73% 96.74% 96.75% 96.76% 96.77% 96.78% 96.79% 96.80% 96.81% 96.82% 96.84% 96.85% 96.86% 96.87% 96.88% 96.89% 96.90% 96.91% 96.92% 96.93% 96.94% 96.95% 96.96% 96.97% 96.98% 96.99% 97.00% 97.01% 97.02% 97.03% 97.04% 97.05% 97.06% 97.07% 97.08% 97.09% 97.10% 97.11% 97.12% 97.13% 97.14% 97.15% 97.16% 97.17% 97.18% 97.19% 97.20% 97.21% 97.22% 97.23% 97.24% 97.25% 97.26% 97.27% 97.27% 97.28% 97.29% 97.30% 97.31% Page 10 Operator Name McCoy, Jon Doty, Tim CB/JB Oil Operations Elk Oil Enterprises, LLC VonLintel, Rita Mae - Operating Steinberger Bros., Inc. ARDC INC. T&C Mfg. & Operating, Inc. Krier Oil Operation Duke Energy Field Services, LP McCorgary Operations B & G Production, Inc. Dart Cherokee Basin Operating Co., LLC ALB, INC. Jenkins & Broyles Production Company Galemore Oil Co. Victor W. Pryor, Jr. South Bay Oil Corporation Hydroex, Inc. Advantage Resources, Inc. Borell, Albert W. Green Enterprises T & R Well Service Hoffman Petroleum, Inc. B & L Oil Marexco, Inc. Sowle Explorations Pioneer, Inc. Win Oil Company Patriot Oil, LLC Gary Haas - Oil Company J D Dreiling Oil, Inc. Blue Top Crude Oil Co., Inc. Lansing Energy Operations Derek Leon Rhodes Steinforth, Loren Consolidated Gas & Energy Corp. JJR of Kansas Limited Haas, John L. Reddig Enterprises Sullivan, Oil Company Nordmeyer Oil, Inc. Ashlock, Beryl Roderick Phil Groves Oil Clark, Daryl Cambria Corporation Landowner Imperial Oil Properties, Inc. Oil Property Management, Inc. Werth Exploration Trust HDH Resources, Inc. Watt, Larry Ruda Exploration Inc R D Finnesy Oil Place, Steve Petroleum Development, Inc. Wineland, Dean E Sonterra Oil & Gas, Inc. Petroleum Production Management, Inc. Ensminger / Kimzey Arrow Oil & Gas, Inc. D & R Oil Properties Alimar, Inc. H & M Packers Serv. L.L.C. Parker and Parsley Development L.P. Morris Oil Operations Herman Krug - Oil Operations Freeman Oil Company Nichols Well Pulling Service Jantz Associates Leis, John E. Cherokee Oil 3TEC Energy Corporation Mishler Oil Rockin Bar Nothing Ranch, Inc. Woodman & Iannitti Oil Company Production Company Company Cumulative Barrels Percent Rank Production 3,044 0.01% 761 32,553,662 3,043 0.01% 762 32,556,705 3,039 0.01% 763 32,559,744 3,038 0.01% 764 32,562,782 3,036 0.01% 765 32,565,818 3,030 0.01% 766 32,568,848 3,025 0.01% 767 32,571,873 3,020 0.01% 768 32,574,892 3,018 0.01% 769 32,577,910 3,016 0.01% 770 32,580,927 3,009 0.01% 771 32,583,935 2,993 0.01% 772 32,586,929 2,988 0.01% 773 32,589,917 2,985 0.01% 774 32,592,902 2,963 0.01% 775 32,595,865 2,961 0.01% 776 32,598,825 2,914 0.01% 777 32,601,739 2,909 0.01% 778 32,604,648 2,897 0.01% 779 32,607,545 2,857 0.01% 780 32,610,402 2,849 0.01% 781 32,613,251 2,831 0.01% 782 32,616,081 2,829 0.01% 783 32,618,911 2,807 0.01% 784 32,621,717 2,790 0.01% 785 32,624,507 2,768 0.01% 786 32,627,275 2,765 0.01% 787 32,630,040 2,746 0.01% 788 32,632,786 2,745 0.01% 789 32,635,531 2,727 0.01% 790 32,638,258 2,698 0.01% 791 32,640,956 2,696 0.01% 792 32,643,651 2,671 0.01% 793 32,646,322 2,665 0.01% 794 32,648,987 2,654 0.01% 795 32,651,642 2,654 0.01% 796 32,654,296 2,653 0.01% 797 32,656,949 2,643 0.01% 798 32,659,592 2,632 0.01% 799 32,662,224 2,622 0.01% 800 32,664,846 2,618 0.01% 801 32,667,464 2,602 0.01% 802 32,670,065 2,596 0.01% 803 32,672,661 2,594 0.01% 804 32,675,255 2,593 0.01% 805 32,677,848 2,592 0.01% 806 32,680,440 2,582 0.01% 807 32,683,022 2,581 0.01% 808 32,685,603 2,579 0.01% 809 32,688,182 2,577 0.01% 810 32,690,759 2,572 0.01% 811 32,693,331 2,567 0.01% 812 32,695,898 2,567 0.01% 813 32,698,465 2,564 0.01% 814 32,701,029 2,559 0.01% 815 32,703,588 2,557 0.01% 816 32,706,145 2,554 0.01% 817 32,708,699 2,535 0.01% 818 32,711,235 2,530 0.01% 819 32,713,764 2,521 0.01% 820 32,716,285 2,505 0.01% 821 32,718,790 2,502 0.01% 822 32,721,292 2,491 0.01% 823 32,723,783 2,489 0.01% 824 32,726,272 2,487 0.01% 825 32,728,759 2,484 0.01% 826 32,731,243 2,479 0.01% 827 32,733,722 2,473 0.01% 828 32,736,196 2,465 0.01% 829 32,738,660 2,454 0.01% 830 32,741,114 2,445 0.01% 831 32,743,559 2,440 0.01% 832 32,745,998 2,432 0.01% 833 32,748,431 2,428 0.01% 834 32,750,858 2,424 0.01% 835 32,753,282 2,414 0.01% 836 32,755,696 Prepared by Tim Carr 1/3/2006 Cum Percent 97.32% 97.33% 97.34% 97.35% 97.36% 97.37% 97.37% 97.38% 97.39% 97.40% 97.41% 97.42% 97.43% 97.44% 97.45% 97.46% 97.46% 97.47% 97.48% 97.49% 97.50% 97.51% 97.52% 97.52% 97.53% 97.54% 97.55% 97.56% 97.56% 97.57% 97.58% 97.59% 97.60% 97.61% 97.61% 97.62% 97.63% 97.64% 97.64% 97.65% 97.66% 97.67% 97.68% 97.68% 97.69% 97.70% 97.71% 97.71% 97.72% 97.73% 97.74% 97.75% 97.75% 97.76% 97.77% 97.78% 97.78% 97.79% 97.80% 97.81% 97.81% 97.82% 97.83% 97.84% 97.84% 97.85% 97.86% 97.87% 97.87% 97.88% 97.89% 97.90% 97.90% 97.91% 97.92% 97.92% Page 11 Operator Name Blackhawk Production Company L-K Wireline, Inc. MJT Oil Ryan M. Leis Reed Oil Co. Spooner-Merrick Oil J W Oil Drake Exploration, LLC Vonfeldt, Steven R Glickman, Inc. Bluestem, Inc Olympic Oil, Inc. Stice Oil Company Marathon Oil Company V & F Oil Company Oneok Resources Company Humerickhouse, Donald L. Adkins Production Co. Miller, Bobby Elzo Sake Oil, Inc. Kelso, Mike Oil Diamond Chemicals Company Schierling, Eldon J. David D. Davis Cook, James A. Tomlinson, Sid Ballou Oil Well Service G & J Oil Company, Inc. Faith Petroleum, Inc. JTC Oil, Inc. Ensminger, Alden Alpha 3 B Energy, Inc. Upland Resources, Inc. L H Energy, Inc. Global Exploration, Ltd. Le Norman Energy Corp. Armor Petroleum, Inc. Yocham Oil Company McMullin, Douglas d/b/a McMullin Well Service Venture Independent Petroleum, LLC T.C.G. Oil Co., a General Partnership Ram Services Leasing & Development, Inc. Gurley Milligan Waterflood, Inc. Jaxco Energy A & A Production Wallgren Oil Bailey, Gene M. Indian Oil Co., Inc. Lackey, Donna Texaco Expl. and Prod. Inc. Geo-Sax Petroleum D K Rush Oil, LLC Studer Oil Co. John C. Ginther R & E Oil Co., Inc. See Oil M & W Oil L & R Oil, Inc. Mac Oil Co., LLC Raygary Oil Co. C & M Oil Company Prairie Resources Inc D and R Patton Oil Chase Well Service, Inc. Kal Oil Operations Arrow Production Co. Gideon Oil Operations Mark III Oil, Inc. James B. Read Operating, Inc. Three B's Savage, James F. Hoehn Oil Slawson, Donald C. Widener, A.C. Farms, Inc. S & S Oil Company Production Company Company Cumulative Barrels Percent Rank Production 2,410 0.01% 837 32,758,106 2,407 0.01% 838 32,760,512 2,396 0.01% 839 32,762,909 2,383 0.01% 840 32,765,292 2,372 0.01% 841 32,767,664 2,372 0.01% 842 32,770,035 2,371 0.01% 843 32,772,407 2,364 0.01% 844 32,774,770 2,339 0.01% 845 32,777,109 2,334 0.01% 846 32,779,443 2,319 0.01% 847 32,781,762 2,315 0.01% 848 32,784,077 2,276 0.01% 849 32,786,353 2,275 0.01% 850 32,788,628 2,275 0.01% 851 32,790,903 2,265 0.01% 852 32,793,169 2,265 0.01% 853 32,795,433 2,263 0.01% 854 32,797,696 2,262 0.01% 855 32,799,958 2,255 0.01% 856 32,802,213 2,250 0.01% 857 32,804,462 2,243 0.01% 858 32,806,705 2,243 0.01% 859 32,808,948 2,237 0.01% 860 32,811,185 2,228 0.01% 861 32,813,414 2,227 0.01% 862 32,815,641 2,226 0.01% 863 32,817,867 2,221 0.01% 864 32,820,088 2,220 0.01% 865 32,822,308 2,219 0.01% 866 32,824,527 2,210 0.01% 867 32,826,737 2,206 0.01% 868 32,828,942 2,205 0.01% 869 32,831,147 2,195 0.01% 870 32,833,342 2,193 0.01% 871 32,835,535 2,191 0.01% 872 32,837,727 2,186 0.01% 873 32,839,913 2,178 0.01% 874 32,842,090 2,173 0.01% 875 32,844,263 2,161 0.01% 876 32,846,424 2,160 0.01% 877 32,848,584 2,157 0.01% 878 32,850,741 2,137 0.01% 879 32,852,879 2,126 0.01% 880 32,855,005 2,124 0.01% 881 32,857,129 2,122 0.01% 882 32,859,251 2,121 0.01% 883 32,861,372 2,121 0.01% 884 32,863,493 2,101 0.01% 885 32,865,593 2,098 0.01% 886 32,867,691 2,095 0.01% 887 32,869,786 2,084 0.01% 888 32,871,870 2,081 0.01% 889 32,873,951 2,075 0.01% 890 32,876,026 2,052 0.01% 891 32,878,078 2,047 0.01% 892 32,880,125 2,046 0.01% 893 32,882,171 2,046 0.01% 894 32,884,217 2,044 0.01% 895 32,886,262 2,033 0.01% 896 32,888,295 2,024 0.01% 897 32,890,319 2,017 0.01% 898 32,892,336 2,017 0.01% 899 32,894,353 2,014 0.01% 900 32,896,367 2,007 0.01% 901 32,898,374 1,999 0.01% 902 32,900,373 1,997 0.01% 903 32,902,370 1,988 0.01% 904 32,904,359 1,982 0.01% 905 32,906,341 1,958 0.01% 906 32,908,299 1,954 0.01% 907 32,910,253 1,952 0.01% 908 32,912,205 1,947 0.01% 909 32,914,152 1,939 0.01% 910 32,916,090 1,937 0.01% 911 32,918,028 1,937 0.01% 912 32,919,964 Prepared by Tim Carr 1/3/2006 Cum Percent 97.93% 97.94% 97.95% 97.95% 97.96% 97.97% 97.97% 97.98% 97.99% 98.00% 98.00% 98.01% 98.02% 98.02% 98.03% 98.04% 98.04% 98.05% 98.06% 98.06% 98.07% 98.08% 98.08% 98.09% 98.10% 98.10% 98.11% 98.12% 98.12% 98.13% 98.14% 98.14% 98.15% 98.16% 98.16% 98.17% 98.18% 98.18% 98.19% 98.20% 98.20% 98.21% 98.21% 98.22% 98.23% 98.23% 98.24% 98.25% 98.25% 98.26% 98.27% 98.27% 98.28% 98.28% 98.29% 98.30% 98.30% 98.31% 98.31% 98.32% 98.33% 98.33% 98.34% 98.34% 98.35% 98.36% 98.36% 98.37% 98.37% 98.38% 98.39% 98.39% 98.40% 98.40% 98.41% 98.42% Page 12 Operator Name FIML Natural Resources, LLC Moran Oil Enterprises McCarthy Oil Co. Valentine Oil Co. Chevron U. S. A. Inc. Sagebrush Operating L.L.C. Fyler Oil Falkin, Richard T. Stevenson Operating LLC Sabre Operating, Inc. Miller Oil Company, LLC C & C Oil & Gas Hazen, Ty Anthony L. B. Jackson Drilling Co. G.A.B.S. Oil Miller, Myron R. Thompson Oil Co Sanders, Jack W & Son Ellsworth Systems, Inc. McIlvain Oil LLC Taylor, Richard J. KG Oil Co R.H.S. Oil Company Ohaebosim Medical Clinic Vonfeldt Oil Operations, Inc. Continental Resources, Inc. Midwestern Exploration Company Pyle Petroleum Cleary Exploration L.L.C. Blackhawk Oil Company Williams Oil Co. Garner, Thomas HJ, Inc. Gressel, Donnie L. Isis Operating Inc T-J Resources, Inc Froelich Oil Jenkins & Sons Production, Inc. Credo Petroleum Corporation SEED Group DAR Energy LLC Ellinwood Tank Service, Inc. S.B. Oil Company Wolfe, Jimmy Ray Jo-Allyn Oil Co., Inc. Harper Oil Co. Wolfe, Leslie Bartelson Oil Crest Petroleum, Inc. C-S Oil Co. Greer, Tom G & J Petroleum, Inc. Black Spot Oil Company JHL Energy, Inc. Overland Energy of Colorado, Inc. Dunham, Norma J. Bradley Oil Company Tinsmon, J. Corry Michaelis, Leo Oil Operator JML Company Williams, Paul M. M. A. B. Production VanRoyen Oil and Gas, L.L.C. Bates Oil Massey, Gary R. Mad Dog Oil Co. Matlock, Randall K. J D Oil Klima Oil, Inc. H & H Oil Co. Trisum Ventures, Inc. Somerset Energy, Inc. Threshold Development Company Locust Grove Oil Company Todd, Marc E Par, Inc. Production Company Company Cumulative Barrels Percent Rank Production 1,933 0.01% 913 32,921,897 1,931 0.01% 914 32,923,828 1,923 0.01% 915 32,925,750 1,916 0.01% 916 32,927,667 1,915 0.01% 917 32,929,581 1,914 0.01% 918 32,931,495 1,913 0.01% 919 32,933,408 1,910 0.01% 920 32,935,318 1,908 0.01% 921 32,937,226 1,897 0.01% 922 32,939,123 1,894 0.01% 923 32,941,016 1,884 0.01% 924 32,942,900 1,883 0.01% 925 32,944,783 1,882 0.01% 926 32,946,666 1,882 0.01% 927 32,948,547 1,880 0.01% 928 32,950,427 1,876 0.01% 929 32,952,303 1,872 0.01% 930 32,954,175 1,871 0.01% 931 32,956,047 1,870 0.01% 932 32,957,917 1,864 0.01% 933 32,959,781 1,862 0.01% 934 32,961,643 1,852 0.01% 935 32,963,495 1,847 0.01% 936 32,965,342 1,837 0.01% 937 32,967,179 1,829 0.01% 938 32,969,008 1,827 0.01% 939 32,970,835 1,827 0.01% 940 32,972,662 1,824 0.01% 941 32,974,485 1,823 0.01% 942 32,976,309 1,820 0.01% 943 32,978,128 1,818 0.01% 944 32,979,946 1,811 0.01% 945 32,981,757 1,807 0.01% 946 32,983,564 1,783 0.01% 947 32,985,347 1,781 0.01% 948 32,987,128 1,781 0.01% 949 32,988,909 1,763 0.01% 950 32,990,673 1,754 0.01% 951 32,992,427 1,749 0.01% 952 32,994,176 1,745 0.01% 953 32,995,920 1,738 0.01% 954 32,997,658 1,726 0.01% 955 32,999,385 1,722 0.01% 956 33,001,106 1,720 0.01% 957 33,002,827 1,712 0.01% 958 33,004,538 1,695 0.01% 959 33,006,233 1,680 0.01% 960 33,007,914 1,672 0.00% 961 33,009,586 1,664 0.00% 962 33,011,250 1,656 0.00% 963 33,012,906 1,653 0.00% 964 33,014,559 1,653 0.00% 965 33,016,213 1,636 0.00% 966 33,017,848 1,627 0.00% 967 33,019,475 1,622 0.00% 968 33,021,097 1,618 0.00% 969 33,022,716 1,618 0.00% 970 33,024,334 1,612 0.00% 971 33,025,946 1,606 0.00% 972 33,027,552 1,603 0.00% 973 33,029,154 1,597 0.00% 974 33,030,751 1,593 0.00% 975 33,032,344 1,592 0.00% 976 33,033,936 1,591 0.00% 977 33,035,527 1,590 0.00% 978 33,037,117 1,589 0.00% 979 33,038,707 1,587 0.00% 980 33,040,294 1,585 0.00% 981 33,041,879 1,584 0.00% 982 33,043,463 1,573 0.00% 983 33,045,037 1,571 0.00% 984 33,046,608 1,561 0.00% 985 33,048,169 1,551 0.00% 986 33,049,720 1,550 0.00% 987 33,051,270 1,509 0.00% 988 33,052,779 Prepared by Tim Carr 1/3/2006 Cum Percent 98.42% 98.43% 98.43% 98.44% 98.44% 98.45% 98.46% 98.46% 98.47% 98.47% 98.48% 98.48% 98.49% 98.50% 98.50% 98.51% 98.51% 98.52% 98.52% 98.53% 98.53% 98.54% 98.55% 98.55% 98.56% 98.56% 98.57% 98.57% 98.58% 98.58% 98.59% 98.59% 98.60% 98.61% 98.61% 98.62% 98.62% 98.63% 98.63% 98.64% 98.64% 98.65% 98.65% 98.66% 98.66% 98.67% 98.67% 98.68% 98.68% 98.69% 98.69% 98.70% 98.70% 98.71% 98.71% 98.72% 98.72% 98.73% 98.73% 98.74% 98.74% 98.75% 98.75% 98.76% 98.76% 98.77% 98.77% 98.78% 98.78% 98.78% 98.79% 98.79% 98.80% 98.80% 98.81% 98.81% Page 13 Operator Name Zetetic Partners, Ltd. Westmore Drilling Company, Inc. Hawkeye Oil Sloan Operations Foreman Enterprises, Inc. Sand Point LLC S & H Oilfield Enterprises Spradco, Inc. Kansons Oil Co. Williford Energy Company OSAGE Resources, LLC Scheuneman, Lester Inlan Oceans, LLC B.L.G. Co Ernst, Fred A. R & J Oil Co. Thomas, E. L. C & C Tank Service, Inc. DK Well Svc. Brown, Nicholas L. Mick Sparks Oil Co., Inc. Ratzlaff, Steven Jacobs, Fred T D & R Well Service, Inc. Bomber Oil, Inc. Kiska Oil Company Glenwood Resources, Inc. Sunwest Petroleum, Inc. VEEM Jade Oil & Gas LLC N & P Enterprises Black Petroleum Company Sunfire Energy Holland, Nancy G. Premier Petroleum, Inc. Hayden, Loren L. and Brenda J. Ma & Mc Oil & Gas LLC BRG Petroleum, Inc. Smith Oil Co. Garo Investment Company Brull, Allen Gabel, Craig Gateway Resources U.S.A., Inc. D & T Oil Company Roadrunner Energy, Inc. Stepco, Inc. J.R. Oil Productions K.C. Development, Inc. Wilson Oil Properties, LLC Lawson, Thelma Hizey Service & Supply, Inc. B-F Oil Co. L.L.C. Dechant Oil Company Grunder Oil Co. Alliance Operating Company Hall, Michael Wayne Frontier Land Company, Inc. Bruce, Lonny, L.L.C. Lee R. Jones, Jr. Oil Co. Pamela K. Jones Trimble, Ival L. Long Drilling Company Vickers Farms Oil Venture H & L Operating Company Kansas Petroleum, Inc. Warren James E. Wachtman-Schroeder Tremo Corporation Forbes, Patrick T. Kent Drilling Co Schrag Oil Co TyCo Oil Co. J R Oil W M Petroleum LLC McCorkle, Frank R. & Kathleen A. McCoy Production F & S Oil Production Company Company Cumulative Barrels Percent Rank Production 1,508 0.00% 989 33,054,287 1,502 0.00% 990 33,055,789 1,496 0.00% 991 33,057,285 1,495 0.00% 992 33,058,780 1,492 0.00% 993 33,060,272 1,489 0.00% 994 33,061,761 1,484 0.00% 995 33,063,245 1,479 0.00% 996 33,064,724 1,475 0.00% 997 33,066,199 1,474 0.00% 998 33,067,673 1,473 0.00% 999 33,069,146 1,472 0.00% 1000 33,070,618 1,463 0.00% 1001 33,072,081 1,463 0.00% 1002 33,073,544 1,462 0.00% 1003 33,075,007 1,454 0.00% 1004 33,076,461 1,448 0.00% 1005 33,077,908 1,447 0.00% 1006 33,079,355 1,445 0.00% 1007 33,080,800 1,438 0.00% 1008 33,082,238 1,438 0.00% 1009 33,083,676 1,436 0.00% 1010 33,085,112 1,431 0.00% 1011 33,086,543 1,430 0.00% 1012 33,087,973 1,425 0.00% 1013 33,089,398 1,417 0.00% 1014 33,090,815 1,416 0.00% 1015 33,092,231 1,403 0.00% 1016 33,093,633 1,402 0.00% 1017 33,095,035 1,399 0.00% 1018 33,096,434 1,395 0.00% 1019 33,097,830 1,380 0.00% 1020 33,099,210 1,371 0.00% 1021 33,100,581 1,370 0.00% 1022 33,101,951 1,368 0.00% 1023 33,103,319 1,357 0.00% 1024 33,104,676 1,353 0.00% 1025 33,106,028 1,351 0.00% 1026 33,107,379 1,348 0.00% 1027 33,108,727 1,344 0.00% 1028 33,110,071 1,344 0.00% 1029 33,111,415 1,340 0.00% 1030 33,112,755 1,329 0.00% 1031 33,114,084 1,327 0.00% 1032 33,115,411 1,326 0.00% 1033 33,116,737 1,324 0.00% 1034 33,118,061 1,323 0.00% 1035 33,119,384 1,319 0.00% 1036 33,120,702 1,312 0.00% 1037 33,122,014 1,305 0.00% 1038 33,123,319 1,304 0.00% 1039 33,124,623 1,303 0.00% 1040 33,125,926 1,301 0.00% 1041 33,127,227 1,300 0.00% 1042 33,128,527 1,297 0.00% 1043 33,129,825 1,297 0.00% 1044 33,131,121 1,296 0.00% 1045 33,132,418 1,294 0.00% 1046 33,133,712 1,288 0.00% 1047 33,134,999 1,287 0.00% 1048 33,136,286 1,283 0.00% 1049 33,137,570 1,282 0.00% 1050 33,138,852 1,279 0.00% 1051 33,140,131 1,278 0.00% 1052 33,141,409 1,274 0.00% 1053 33,142,683 1,271 0.00% 1054 33,143,953 1,265 0.00% 1055 33,145,219 1,262 0.00% 1056 33,146,481 1,257 0.00% 1057 33,147,738 1,257 0.00% 1058 33,148,995 1,250 0.00% 1059 33,150,245 1,247 0.00% 1060 33,151,492 1,227 0.00% 1061 33,152,719 1,226 0.00% 1062 33,153,945 1,225 0.00% 1063 33,155,170 1,211 0.00% 1064 33,156,381 Prepared by Tim Carr 1/3/2006 Cum Percent 98.82% 98.82% 98.83% 98.83% 98.83% 98.84% 98.84% 98.85% 98.85% 98.86% 98.86% 98.87% 98.87% 98.87% 98.88% 98.88% 98.89% 98.89% 98.90% 98.90% 98.90% 98.91% 98.91% 98.92% 98.92% 98.93% 98.93% 98.93% 98.94% 98.94% 98.95% 98.95% 98.96% 98.96% 98.96% 98.97% 98.97% 98.98% 98.98% 98.98% 98.99% 98.99% 99.00% 99.00% 99.00% 99.01% 99.01% 99.02% 99.02% 99.02% 99.03% 99.03% 99.03% 99.04% 99.04% 99.05% 99.05% 99.05% 99.06% 99.06% 99.07% 99.07% 99.07% 99.08% 99.08% 99.08% 99.09% 99.09% 99.10% 99.10% 99.10% 99.11% 99.11% 99.11% 99.12% 99.12% Page 14 Operator Name Joe Gerstner Oil, LLC NC Oil Company, Inc. Jebco Oil J & J Well Service Holt, Carol Regency Midcon Gas LLC Rogers, Merlin D. H&G Pulling & Rotary Drilling, Inc. Laymon Oil Company Anaconda Operating Co. L & H Oil Operations Brackeen Line Cleaning, Inc. C. F. Oil Rapid Well Service Inc Honey Oil Co., Inc. Loco Production Shallow-Oil, Inc. Peak Oil BTA Operating Wilson, Richard A. Hessert Loc Inc Peak Energy, LLC Chevron USA, Inc. Gateway Resources, LLC Vonfeldt, Donald J. Evergreen Operating Corporation Tamoil Kansas Operating Co., Inc. Devonian Oil Company Blair, H. H., Oil Company, Inc. TM Enterprises, Inc. Michigan Petroleum C.M.J. Cash Flow Oil Mauslein, Ernest Dale Lamberd, Clark Weber Four Oil Co., Inc. Bogle Drilling Snyder, Jim Brady, Harold L. Erbert, Don Oil Company Chris Melander Drilling Challenger Exploration Pyramid Corporation Lone Jack Oil Co. Flint Hills Production Co., Inc. Renegade Resources Corp. Stephens Oil Co. K W Oil Well Service. Inc. LRR Partnership Double L Oil Producers MacLaskey, Kelly L. Oilfield Services, Inc. Kitchen, Robert Samco Investments Kittle Oil G & R Oil Co. Tahoe Exploration, Inc. Jake's Oil Co. Roark, Nancy Haile, Guy W. Ralstin, James F. Gambler Resources Nash Oil & Gas, Inc. Miller Oil Property P J Oil Co. Hi-Kat Petroleum Company Harper, John D. Ron's Applicating Service B & M Oil Co. Rock Oil Co. Mr. Bill Oil Operation Voigt Oil & Gas Co., Inc. Greer, Jack Norman R. Michael D & L Spring Creek Oil Gas Marketing, Inc. Production Company Company Cumulative Barrels Percent Rank Production 1,205 0.00% 1065 33,157,586 1,201 0.00% 1066 33,158,787 1,190 0.00% 1067 33,159,977 1,177 0.00% 1068 33,161,154 1,176 0.00% 1069 33,162,331 1,176 0.00% 1070 33,163,507 1,174 0.00% 1071 33,164,681 1,160 0.00% 1072 33,165,841 1,158 0.00% 1073 33,166,999 1,153 0.00% 1074 33,168,152 1,152 0.00% 1075 33,169,305 1,149 0.00% 1076 33,170,454 1,147 0.00% 1077 33,171,601 1,145 0.00% 1078 33,172,746 1,137 0.00% 1079 33,173,883 1,137 0.00% 1080 33,175,021 1,133 0.00% 1081 33,176,153 1,130 0.00% 1082 33,177,284 1,130 0.00% 1083 33,178,413 1,128 0.00% 1084 33,179,541 1,123 0.00% 1085 33,180,664 1,122 0.00% 1086 33,181,786 1,116 0.00% 1087 33,182,902 1,109 0.00% 1088 33,184,011 1,108 0.00% 1089 33,185,118 1,104 0.00% 1090 33,186,223 1,102 0.00% 1091 33,187,325 1,101 0.00% 1092 33,188,426 1,098 0.00% 1093 33,189,524 1,087 0.00% 1094 33,190,612 1,081 0.00% 1095 33,191,693 1,080 0.00% 1096 33,192,773 1,073 0.00% 1097 33,193,846 1,070 0.00% 1098 33,194,917 1,067 0.00% 1099 33,195,983 1,066 0.00% 1100 33,197,049 1,065 0.00% 1101 33,198,114 1,064 0.00% 1102 33,199,178 1,057 0.00% 1103 33,200,235 1,052 0.00% 1104 33,201,287 1,051 0.00% 1105 33,202,338 1,049 0.00% 1106 33,203,387 1,048 0.00% 1107 33,204,435 1,047 0.00% 1108 33,205,482 1,043 0.00% 1109 33,206,525 1,042 0.00% 1110 33,207,567 1,038 0.00% 1111 33,208,605 1,038 0.00% 1112 33,209,643 1,024 0.00% 1113 33,210,667 1,024 0.00% 1114 33,211,691 1,008 0.00% 1115 33,212,699 1,005 0.00% 1116 33,213,703 1,005 0.00% 1117 33,214,708 998 0.00% 1118 33,215,706 996 0.00% 1119 33,216,703 994 0.00% 1120 33,217,697 993 0.00% 1121 33,218,689 989 0.00% 1122 33,219,678 988 0.00% 1123 33,220,666 983 0.00% 1124 33,221,650 980 0.00% 1125 33,222,630 980 0.00% 1126 33,223,610 977 0.00% 1127 33,224,588 974 0.00% 1128 33,225,562 969 0.00% 1129 33,226,531 969 0.00% 1130 33,227,499 966 0.00% 1131 33,228,465 965 0.00% 1132 33,229,430 964 0.00% 1133 33,230,394 959 0.00% 1134 33,231,354 959 0.00% 1135 33,232,313 956 0.00% 1136 33,233,269 951 0.00% 1137 33,234,220 947 0.00% 1138 33,235,167 947 0.00% 1139 33,236,114 946 0.00% 1140 33,237,059 Prepared by Tim Carr 1/3/2006 Cum Percent 99.13% 99.13% 99.13% 99.14% 99.14% 99.14% 99.15% 99.15% 99.15% 99.16% 99.16% 99.16% 99.17% 99.17% 99.17% 99.18% 99.18% 99.18% 99.19% 99.19% 99.19% 99.20% 99.20% 99.20% 99.21% 99.21% 99.21% 99.22% 99.22% 99.22% 99.23% 99.23% 99.23% 99.24% 99.24% 99.24% 99.25% 99.25% 99.25% 99.26% 99.26% 99.26% 99.27% 99.27% 99.27% 99.28% 99.28% 99.28% 99.28% 99.29% 99.29% 99.29% 99.30% 99.30% 99.30% 99.31% 99.31% 99.31% 99.31% 99.32% 99.32% 99.32% 99.33% 99.33% 99.33% 99.33% 99.34% 99.34% 99.34% 99.35% 99.35% 99.35% 99.35% 99.36% 99.36% 99.36% Page 15 Operator Name Dixon, Margaret Crazy Horse Oil Robinson, Beryl A. Hogoboom, Albert Oilfield Trucking Services Hart Energies, LLC Gould Oil, Inc. Doudna, Mark A. Graham, Lowell H. Bradley & Bradley Oil 4-M Oil Leake, Keith D. Catfish Oil Hedrick Oil Co. Specht Farms Olson-Anderson Lease Brower Oil & Gas Co., Inc. Quest Cherokee, LLC W A L Oil Co. Circle K Enterprises Wrestler, Ronald D. Huber Oil Company Eager, George Wynn Crosby Energy, Inc. Braun, John Jack Exploration, Inc. Rick's Well Service Biggy's Petroleum Shearhart, Gary L. Rice Engineering Corporation Morrison Oil Co. Remco Energy Corporation Horton Oil Company, Inc. Schendel, Alva L Springer, Lee A. S & K Oil, Inc. Post & Mastin Well Service, Inc. Fanshier, Roger Bogle and Bogle V. R. Oil Co. Gerstenkorn Oil Production Barker Oil Petroleum Production Company Overland Exploration Company KTL Oil Company, a General Partnership Bryant Investors Bullseye Petroleum, Inc. Trans-Western Operating Company B M Oil and Consulting, LLC Doug's Pumping Service Mason 399, LLC Gusher Oil Longhorn Oil & Gas JoSe Oil Company LLC Farris Well Service T.C.G. Oil Co. C & S Oil Company Smith, Darrin R Kottwitz Oil Co., a General Partnership MAKO Operating Company, LLC Weilert, S.R. Extreme Energy Co Stewart Brothers Drilling Company A. Francis Vonfeldt Co. Evans Well Service Wilcox, LLC Double F Oil Co. Seminole Senora Sand United JHS Energy, Inc. Black-Travis, Inc. Ranger Oil & Gas, Inc. Rush, Terry L Stuber, Virgil D & A Oil Company George, Mark Martin, Dail D. Mewbourne Oil Company Production Company Company Cumulative Barrels Percent Rank Production 945 0.00% 1141 33,238,005 942 0.00% 1142 33,238,947 938 0.00% 1143 33,239,885 932 0.00% 1144 33,240,816 931 0.00% 1145 33,241,747 928 0.00% 1146 33,242,675 928 0.00% 1147 33,243,603 926 0.00% 1148 33,244,529 925 0.00% 1149 33,245,455 925 0.00% 1150 33,246,380 924 0.00% 1151 33,247,304 920 0.00% 1152 33,248,224 919 0.00% 1153 33,249,144 905 0.00% 1154 33,250,048 904 0.00% 1155 33,250,953 898 0.00% 1156 33,251,850 897 0.00% 1157 33,252,747 895 0.00% 1158 33,253,643 894 0.00% 1159 33,254,537 892 0.00% 1160 33,255,429 889 0.00% 1161 33,256,318 886 0.00% 1162 33,257,203 885 0.00% 1163 33,258,088 883 0.00% 1164 33,258,971 880 0.00% 1165 33,259,851 879 0.00% 1166 33,260,730 879 0.00% 1167 33,261,608 871 0.00% 1168 33,262,480 870 0.00% 1169 33,263,350 870 0.00% 1170 33,264,220 863 0.00% 1171 33,265,083 858 0.00% 1172 33,265,941 858 0.00% 1173 33,266,799 858 0.00% 1174 33,267,657 856 0.00% 1175 33,268,513 855 0.00% 1176 33,269,369 848 0.00% 1177 33,270,217 846 0.00% 1178 33,271,063 839 0.00% 1179 33,271,902 830 0.00% 1180 33,272,732 830 0.00% 1181 33,273,561 827 0.00% 1182 33,274,389 825 0.00% 1183 33,275,214 822 0.00% 1184 33,276,036 819 0.00% 1185 33,276,855 819 0.00% 1186 33,277,673 818 0.00% 1187 33,278,491 816 0.00% 1188 33,279,307 816 0.00% 1189 33,280,123 812 0.00% 1190 33,280,935 804 0.00% 1191 33,281,739 800 0.00% 1192 33,282,539 800 0.00% 1193 33,283,339 798 0.00% 1194 33,284,137 797 0.00% 1195 33,284,934 797 0.00% 1196 33,285,731 795 0.00% 1197 33,286,526 793 0.00% 1198 33,287,319 789 0.00% 1199 33,288,107 783 0.00% 1200 33,288,890 779 0.00% 1201 33,289,669 779 0.00% 1202 33,290,449 777 0.00% 1203 33,291,226 775 0.00% 1204 33,292,001 774 0.00% 1205 33,292,775 771 0.00% 1206 33,293,546 768 0.00% 1207 33,294,315 768 0.00% 1208 33,295,082 762 0.00% 1209 33,295,844 760 0.00% 1210 33,296,604 755 0.00% 1211 33,297,360 754 0.00% 1212 33,298,113 753 0.00% 1213 33,298,866 751 0.00% 1214 33,299,617 744 0.00% 1215 33,300,361 743 0.00% 1216 33,301,103 Prepared by Tim Carr 1/3/2006 Cum Percent 99.37% 99.37% 99.37% 99.37% 99.38% 99.38% 99.38% 99.39% 99.39% 99.39% 99.39% 99.40% 99.40% 99.40% 99.40% 99.41% 99.41% 99.41% 99.42% 99.42% 99.42% 99.42% 99.43% 99.43% 99.43% 99.43% 99.44% 99.44% 99.44% 99.44% 99.45% 99.45% 99.45% 99.45% 99.46% 99.46% 99.46% 99.46% 99.47% 99.47% 99.47% 99.47% 99.48% 99.48% 99.48% 99.48% 99.49% 99.49% 99.49% 99.49% 99.50% 99.50% 99.50% 99.50% 99.51% 99.51% 99.51% 99.51% 99.52% 99.52% 99.52% 99.52% 99.53% 99.53% 99.53% 99.53% 99.53% 99.54% 99.54% 99.54% 99.54% 99.55% 99.55% 99.55% 99.55% 99.55% Page 16 Operator Name Keller-Davis Helen A C & H Energy LLC Orbit Energy LLC Horton, Jack Hart, Nick and Connie McClaskey Hunting Preserve LLC Uhls, Jimmie J. B & B Oil Recovery SK Oil & Gas, Inc. Nacogdoches Oil & Gas, LLC Reed, Harold D. Barnett, Harold Leon K & L Tank Truck Service, Inc. Long, Lewis C. Wilcox, Herbert Nichols Fluid Service, Inc. Patina Oil & Gas Corporation Reef Exploration Corporation M & M Oil Company T. G. Shaw Oil Company, Ltd. Nickell & Son Oil & Salvage M. J. T. Enterprises Minner Oil Field Service Oil Seven Steinle Oil T.J. Oil B & B Farm Industries Inc Double R Oil Company Inc Brange Southern Hills Gas Co. Malone Oil Co. Jeff's Oilwell Supervision Stalcup Oil Company V & R Oil Ferguson, Orval L. & Kent L. Bates Enterprise Becker, Clyde M. Krug, Donald H Six-D Exploration, LLC Glenn Supply Company, Inc. H & R Well Services Inc. Armadilla Oil & Gas, LLC Watson, Tina A. Nickell Drilling Young Oil & Gas Perry Petroleum, Inc. Haul-Pac, Inc. Williams, Raymond H. Boone, McKinley R. Van Oil Kindsvater, Dennis Heartland Enterprises, Incorporated R & D Oil LLC L & M, Inc. Daniels, E.L. Drilling Contractor Braden Petroleum Company Foster Gas Corporation C-W-B Production P & R Oilfield Services DWL Family, LLC Rickerson, Russell D & D Energy Witham, Libern A. Jr. TET Energy Thomsen, Leroy Hefling, Louise K. Eby Oil Co. Hat Creek Cattle Company Osage Energy, LLC Myers Drilling and Exploration Inc. Ramrod Oil Co. CLARCO GAS COMPA Kloberdanz, Paul E. Yukon Properties LLC Vanderman Oil MARCO Oil Company LLC Production Company Company Cumulative Barrels Percent Rank Production 742 0.00% 1217 33,301,845 740 0.00% 1218 33,302,585 737 0.00% 1219 33,303,322 735 0.00% 1220 33,304,057 730 0.00% 1221 33,304,787 726 0.00% 1222 33,305,513 724 0.00% 1223 33,306,237 722 0.00% 1224 33,306,959 721 0.00% 1225 33,307,680 717 0.00% 1226 33,308,398 716 0.00% 1227 33,309,114 707 0.00% 1228 33,309,820 697 0.00% 1229 33,310,517 694 0.00% 1230 33,311,212 692 0.00% 1231 33,311,904 689 0.00% 1232 33,312,592 688 0.00% 1233 33,313,280 686 0.00% 1234 33,313,966 684 0.00% 1235 33,314,650 680 0.00% 1236 33,315,330 677 0.00% 1237 33,316,006 671 0.00% 1238 33,316,677 667 0.00% 1239 33,317,344 667 0.00% 1240 33,318,011 665 0.00% 1241 33,318,676 665 0.00% 1242 33,319,341 665 0.00% 1243 33,320,006 664 0.00% 1244 33,320,670 662 0.00% 1245 33,321,332 660 0.00% 1246 33,321,992 660 0.00% 1247 33,322,652 657 0.00% 1248 33,323,309 653 0.00% 1249 33,323,962 652 0.00% 1250 33,324,614 648 0.00% 1251 33,325,262 646 0.00% 1252 33,325,908 644 0.00% 1253 33,326,552 644 0.00% 1254 33,327,196 639 0.00% 1255 33,327,835 639 0.00% 1256 33,328,475 639 0.00% 1257 33,329,114 638 0.00% 1258 33,329,752 637 0.00% 1259 33,330,389 635 0.00% 1260 33,331,024 634 0.00% 1261 33,331,659 634 0.00% 1262 33,332,293 632 0.00% 1263 33,332,925 631 0.00% 1264 33,333,556 631 0.00% 1265 33,334,186 630 0.00% 1266 33,334,816 630 0.00% 1267 33,335,446 626 0.00% 1268 33,336,073 617 0.00% 1269 33,336,690 617 0.00% 1270 33,337,307 615 0.00% 1271 33,337,922 615 0.00% 1272 33,338,537 613 0.00% 1273 33,339,150 613 0.00% 1274 33,339,763 611 0.00% 1275 33,340,374 605 0.00% 1276 33,340,979 602 0.00% 1277 33,341,581 600 0.00% 1278 33,342,181 599 0.00% 1279 33,342,780 597 0.00% 1280 33,343,377 597 0.00% 1281 33,343,974 595 0.00% 1282 33,344,568 593 0.00% 1283 33,345,162 593 0.00% 1284 33,345,754 593 0.00% 1285 33,346,347 588 0.00% 1286 33,346,934 587 0.00% 1287 33,347,522 586 0.00% 1288 33,348,108 584 0.00% 1289 33,348,692 580 0.00% 1290 33,349,272 570 0.00% 1291 33,349,842 569 0.00% 1292 33,350,411 Prepared by Tim Carr 1/3/2006 Cum Percent 99.56% 99.56% 99.56% 99.56% 99.57% 99.57% 99.57% 99.57% 99.57% 99.58% 99.58% 99.58% 99.58% 99.58% 99.59% 99.59% 99.59% 99.59% 99.60% 99.60% 99.60% 99.60% 99.60% 99.61% 99.61% 99.61% 99.61% 99.61% 99.62% 99.62% 99.62% 99.62% 99.62% 99.63% 99.63% 99.63% 99.63% 99.63% 99.63% 99.64% 99.64% 99.64% 99.64% 99.64% 99.65% 99.65% 99.65% 99.65% 99.65% 99.66% 99.66% 99.66% 99.66% 99.66% 99.66% 99.67% 99.67% 99.67% 99.67% 99.67% 99.68% 99.68% 99.68% 99.68% 99.68% 99.68% 99.69% 99.69% 99.69% 99.69% 99.69% 99.70% 99.70% 99.70% 99.70% 99.70% Page 17 Operator Name Production Maintenance Service Wind River Oil & Gas, Inc. WRW Oil Co Williams Gas Pipeline Central, Inc. Carl Allam - Oil Company Cheyenne Oil Services, Inc. Thomas Enterprises, Inc. of Kansas Delozier, Orval & Stevens, Floyd MacLaskey, Bertha Lloyd Drilling Company Prairie Methane Gas Producers LLC Jay M. Schendel Berco Oil Co. AJ Oil, Inc. Quito, Inc. Jimenez Well Service, Inc. Mark Oil, Inc. S J Oil Co. Sidwell Oil & Gas, Inc. Oil and Operating Services Mueller Oil Stich Oil Company T.T. Production, Inc. S. R. Weilert Oil LLC Smith, Loren L. Inca Oil Corporation Blaes, William E. Western Pacific Farms, Inc. Bluebird Production, Inc. Maxby Oil Co. Lancer Oil, Inc. Vickers, Jerry L. Roy Farr Heirs Chaco Energy Company Keyse, Ralph L. Poe Servicing Inc Cris Oil S.C.Z. Oil Company Clayton Corp Petro & Ntrl Gas Prodn Lowe, George A. II Oxbow Oil Bean, Lorene Redding Oil Double "B" Oil Company Bergman, Anna F. Trust D.K. Oil Co. Jacobs, Gary D. Black, Frank J., Oil Operations, Inc. Klondike Investments, Inc. DMS Oil Co. Phillip & Charlene Heller M & C Oil, Inc. Ssouri Oil Ventures Taylor Well Service LPHC, Inc. Millennium Oil & Gas, Inc. Douglas L. Moore Oilfield Truck Service Padgett Oil Inc. Way Drilling Co. Cox, William H. II Intergy, Inc. KC Oil Jacobsen, Micheal Casey, Lyle Dobrinski, Mark E. B & G Exploration Fair Seas Enterprises, Inc. Matrix Resources, LLC Premiere Corporation Tucker, Stephen A. R & D Call Kanmap, a Kansas Corporation George, Dale R. Elk Oil Company Energy Engineers, Inc. Production Company Company Cumulative Barrels Percent Rank Production 569 0.00% 1293 33,350,980 569 0.00% 1294 33,351,549 567 0.00% 1295 33,352,116 567 0.00% 1296 33,352,683 567 0.00% 1297 33,353,249 561 0.00% 1298 33,353,810 558 0.00% 1299 33,354,369 557 0.00% 1300 33,354,926 552 0.00% 1301 33,355,478 545 0.00% 1302 33,356,023 543 0.00% 1303 33,356,566 541 0.00% 1304 33,357,107 538 0.00% 1305 33,357,645 529 0.00% 1306 33,358,174 525 0.00% 1307 33,358,699 518 0.00% 1308 33,359,217 518 0.00% 1309 33,359,735 513 0.00% 1310 33,360,248 509 0.00% 1311 33,360,758 508 0.00% 1312 33,361,265 505 0.00% 1313 33,361,771 505 0.00% 1314 33,362,276 497 0.00% 1315 33,362,773 497 0.00% 1316 33,363,271 495 0.00% 1317 33,363,765 495 0.00% 1318 33,364,260 493 0.00% 1319 33,364,753 491 0.00% 1320 33,365,244 488 0.00% 1321 33,365,732 488 0.00% 1322 33,366,220 487 0.00% 1323 33,366,707 487 0.00% 1324 33,367,194 487 0.00% 1325 33,367,680 486 0.00% 1326 33,368,166 484 0.00% 1327 33,368,650 480 0.00% 1328 33,369,130 480 0.00% 1329 33,369,610 480 0.00% 1330 33,370,090 479 0.00% 1331 33,370,568 477 0.00% 1332 33,371,045 476 0.00% 1333 33,371,522 474 0.00% 1334 33,371,996 473 0.00% 1335 33,372,470 473 0.00% 1336 33,372,943 472 0.00% 1337 33,373,415 471 0.00% 1338 33,373,886 469 0.00% 1339 33,374,355 467 0.00% 1340 33,374,822 465 0.00% 1341 33,375,288 465 0.00% 1342 33,375,753 461 0.00% 1343 33,376,213 456 0.00% 1344 33,376,670 455 0.00% 1345 33,377,124 454 0.00% 1346 33,377,578 452 0.00% 1347 33,378,030 451 0.00% 1348 33,378,481 449 0.00% 1349 33,378,930 449 0.00% 1350 33,379,379 445 0.00% 1351 33,379,824 444 0.00% 1352 33,380,268 441 0.00% 1353 33,380,709 440 0.00% 1354 33,381,149 438 0.00% 1355 33,381,587 438 0.00% 1356 33,382,024 436 0.00% 1357 33,382,461 434 0.00% 1358 33,382,895 433 0.00% 1359 33,383,328 433 0.00% 1360 33,383,762 427 0.00% 1361 33,384,189 427 0.00% 1362 33,384,616 426 0.00% 1363 33,385,042 425 0.00% 1364 33,385,466 424 0.00% 1365 33,385,890 423 0.00% 1366 33,386,313 419 0.00% 1367 33,386,732 418 0.00% 1368 33,387,150 Prepared by Tim Carr 1/3/2006 Cum Percent 99.70% 99.71% 99.71% 99.71% 99.71% 99.71% 99.71% 99.72% 99.72% 99.72% 99.72% 99.72% 99.72% 99.73% 99.73% 99.73% 99.73% 99.73% 99.73% 99.73% 99.74% 99.74% 99.74% 99.74% 99.74% 99.74% 99.75% 99.75% 99.75% 99.75% 99.75% 99.75% 99.75% 99.76% 99.76% 99.76% 99.76% 99.76% 99.76% 99.76% 99.77% 99.77% 99.77% 99.77% 99.77% 99.77% 99.77% 99.78% 99.78% 99.78% 99.78% 99.78% 99.78% 99.78% 99.78% 99.79% 99.79% 99.79% 99.79% 99.79% 99.79% 99.79% 99.80% 99.80% 99.80% 99.80% 99.80% 99.80% 99.80% 99.80% 99.81% 99.81% 99.81% 99.81% 99.81% 99.81% Page 18 Operator Name Morris Energy Clausing, Garry Alexander, Gary M. Hopewell Operating, Inc. The Warren Corporation Huffman Oil D.M. Well Service Blaes, Donald A. Owings Oil, LLC Barnett Oil Dible, Bill and Julie Norstar Development Weaver, Gloria Christensen Engineering Hall Oil Company Owens Oil Perkins, John E. John Henry Oil Co. Natural Gas Anadarko Company R. & J. Oil Co. Schuetz, Edna, Ed & Ron Ward Oil Co. Resources Investment Corporation Resources & Investment Co. Midwest Casing, Inc. Penn Virginia Oil & Gas Corporation Kelmac Production Co., Inc. B and D Production Jezek, Ernest D. Rupe Oil Company, Inc. Kainz, David R. Explorer Oil & Gas, Inc. Big Eight Energy Raida, Junior V. Kykon Oil & Gas, Inc. Circle G Petroleum Bullseye Oilfield Service Had-A-Call Oil Arbuckle, A Dale & Katheryn E Rev Trust Tallman Grain & Livestock Hall, J.J. Operating Co., Inc. Sho-Bar Energy, Inc. Tom's Oil Galloway Drilling Co., Inc. W W Oil Co. Black Star 231 Corp. Austin, Robert E. Cenergy Midwest Company Americase Production Co. Seibert, Gary D. C & J Pumping, Inc. Provine, B.R. Wildhorse Oil & Gas Corp. Morris, Everett E. Manta Petroleum, Inc. Hill Oil & Gas Co., Inc. Bloomer Well Service Hertel Oil Company LLC Mak Oil & Gas Co. Kenmark Corporation T. H. E., Inc. Sheedy Energy Production Company Kenworthy Operating Company Yoder, Alvin G. Schulte Oil Mid-America Resources, LLC DLM Oil Bates & Bates Lone Star Resources Company Bolinger Enterprises Slogo Oil Co., Inc. Finney, Russell Phipps-Murphy Entrp. Inc. Summer Sun Gas, Inc. Jeffries, Peter Daniels Oil Co. Production Company Company Cumulative Barrels Percent Rank Production 417 0.00% 1369 33,387,567 414 0.00% 1370 33,387,980 412 0.00% 1371 33,388,393 412 0.00% 1372 33,388,805 412 0.00% 1373 33,389,217 411 0.00% 1374 33,389,628 411 0.00% 1375 33,390,039 405 0.00% 1376 33,390,444 405 0.00% 1377 33,390,849 401 0.00% 1378 33,391,250 395 0.00% 1379 33,391,645 394 0.00% 1380 33,392,039 390 0.00% 1381 33,392,429 389 0.00% 1382 33,392,819 386 0.00% 1383 33,393,205 386 0.00% 1384 33,393,590 380 0.00% 1385 33,393,970 376 0.00% 1386 33,394,346 374 0.00% 1387 33,394,720 373 0.00% 1388 33,395,093 371 0.00% 1389 33,395,465 368 0.00% 1390 33,395,833 363 0.00% 1391 33,396,195 362 0.00% 1392 33,396,557 362 0.00% 1393 33,396,919 361 0.00% 1394 33,397,280 359 0.00% 1395 33,397,639 356 0.00% 1396 33,397,995 355 0.00% 1397 33,398,350 352 0.00% 1398 33,398,702 350 0.00% 1399 33,399,052 349 0.00% 1400 33,399,402 348 0.00% 1401 33,399,749 347 0.00% 1402 33,400,096 346 0.00% 1403 33,400,442 344 0.00% 1404 33,400,786 344 0.00% 1405 33,401,130 338 0.00% 1406 33,401,468 336 0.00% 1407 33,401,803 335 0.00% 1408 33,402,139 335 0.00% 1409 33,402,474 335 0.00% 1410 33,402,809 334 0.00% 1411 33,403,143 334 0.00% 1412 33,403,476 333 0.00% 1413 33,403,809 332 0.00% 1414 33,404,141 331 0.00% 1415 33,404,473 330 0.00% 1416 33,404,803 329 0.00% 1417 33,405,132 329 0.00% 1418 33,405,461 328 0.00% 1419 33,405,789 328 0.00% 1420 33,406,117 326 0.00% 1421 33,406,443 326 0.00% 1422 33,406,769 325 0.00% 1423 33,407,093 323 0.00% 1424 33,407,417 323 0.00% 1425 33,407,740 322 0.00% 1426 33,408,062 322 0.00% 1427 33,408,384 320 0.00% 1428 33,408,705 320 0.00% 1429 33,409,025 319 0.00% 1430 33,409,344 319 0.00% 1431 33,409,663 318 0.00% 1432 33,409,981 317 0.00% 1433 33,410,299 317 0.00% 1434 33,410,615 317 0.00% 1435 33,410,932 316 0.00% 1436 33,411,248 315 0.00% 1437 33,411,563 315 0.00% 1438 33,411,878 314 0.00% 1439 33,412,192 312 0.00% 1440 33,412,503 312 0.00% 1441 33,412,815 310 0.00% 1442 33,413,125 308 0.00% 1443 33,413,432 307 0.00% 1444 33,413,739 Prepared by Tim Carr 1/3/2006 Cum Percent 99.81% 99.81% 99.82% 99.82% 99.82% 99.82% 99.82% 99.82% 99.82% 99.82% 99.83% 99.83% 99.83% 99.83% 99.83% 99.83% 99.83% 99.83% 99.83% 99.84% 99.84% 99.84% 99.84% 99.84% 99.84% 99.84% 99.84% 99.84% 99.85% 99.85% 99.85% 99.85% 99.85% 99.85% 99.85% 99.85% 99.85% 99.85% 99.86% 99.86% 99.86% 99.86% 99.86% 99.86% 99.86% 99.86% 99.86% 99.86% 99.87% 99.87% 99.87% 99.87% 99.87% 99.87% 99.87% 99.87% 99.87% 99.87% 99.88% 99.88% 99.88% 99.88% 99.88% 99.88% 99.88% 99.88% 99.88% 99.88% 99.88% 99.89% 99.89% 99.89% 99.89% 99.89% 99.89% 99.89% Page 19 Operator Name Roberts, Randy North American Gas Corp. White Gas & Oil Dad's Production Co. R.J. Patrick Operating Company Gillman, John Jones, Jerry and/or Virginia Energy-Vest, Inc. Crockett Oil and Gas, Inc. Clubine, Jim L. Kanoma Co-Op Association Soule, Gilbert A. DLM Oil Farmer Dog Oil Co. Haack Operating Company Quantum Operating Company Gilbert Gas & Oil Myers, Gus Midwestern Oil Co., Inc. Mitchell Energy Company Hutton, Charles N., Sr. Kramer Oil Field Service Inc Ptarmigan Inc Bailey, Albian W., Jr. Bohannan, Jerry McNown, Carl H. F.D. Looman Miller Oil & Cattle Bookstore, Robert D. Arnold Prodn. Rupp, C. F. - Disposal Erbe, Dwayne E. CMT Petro Resources, Inc. Purkeypile, Doyle Stifter, Ralph E Frank Weber Yoho Oil Huddleston, Michael Receiver Barnes, L.- Oil Company Sky Oil, L.L.C. Heat Can Oil, LLC Roxanna Pipeline, Inc. Consolidated Oil Well Services, Inc. HM Company Carter, Calvin Gene Petroleum Inc Tajchman Petroleum Production Gary C. Splane B. P. Oil Shane & Ellen Sutherland Kress, Lela Wrestler, David L. Tomlinson Oil Co., Inc. Vortex Oil LLC J. W. Oil McElvain, Oil & Gas Properties, Inc. A-1 Well Service Thomas, Vernon C. Winslow, Eddie Diversified Operating Corp. Lincoln 77, Inc. JMA Resources, Inc. Shaffer Lease American Oil Properties, Ltd. Longshot Exploration, Inc. Nienke Production Petrocorp, Inc. Blanchard, James R. Red Point Oil Breck Operating Corp. Faulconer, Vernon E., Inc. Gothic Energy Corp. Perkins, James F. Parwest Land Exploration, Inc. Bluestem Pipeline, LLC Matador Operating Company Production Company Company Cumulative Barrels Percent Rank Production 303 0.00% 1445 33,414,042 302 0.00% 1446 33,414,344 300 0.00% 1447 33,414,645 300 0.00% 1448 33,414,945 300 0.00% 1449 33,415,244 299 0.00% 1450 33,415,543 298 0.00% 1451 33,415,841 295 0.00% 1452 33,416,136 292 0.00% 1453 33,416,428 290 0.00% 1454 33,416,718 290 0.00% 1455 33,417,008 289 0.00% 1456 33,417,296 288 0.00% 1457 33,417,584 285 0.00% 1458 33,417,869 285 0.00% 1459 33,418,154 281 0.00% 1460 33,418,434 274 0.00% 1461 33,418,709 270 0.00% 1462 33,418,979 270 0.00% 1463 33,419,249 266 0.00% 1464 33,419,515 265 0.00% 1465 33,419,780 257 0.00% 1466 33,420,037 255 0.00% 1467 33,420,293 253 0.00% 1468 33,420,546 251 0.00% 1469 33,420,797 247 0.00% 1470 33,421,044 246 0.00% 1471 33,421,290 246 0.00% 1472 33,421,536 243 0.00% 1473 33,421,778 242 0.00% 1474 33,422,021 241 0.00% 1475 33,422,261 239 0.00% 1476 33,422,500 237 0.00% 1477 33,422,737 236 0.00% 1478 33,422,973 236 0.00% 1479 33,423,209 235 0.00% 1480 33,423,444 233 0.00% 1481 33,423,677 233 0.00% 1482 33,423,910 231 0.00% 1483 33,424,141 229 0.00% 1484 33,424,370 225 0.00% 1485 33,424,595 225 0.00% 1486 33,424,820 224 0.00% 1487 33,425,044 224 0.00% 1488 33,425,267 224 0.00% 1489 33,425,491 223 0.00% 1490 33,425,714 223 0.00% 1491 33,425,937 222 0.00% 1492 33,426,158 222 0.00% 1493 33,426,380 213 0.00% 1494 33,426,593 213 0.00% 1495 33,426,806 211 0.00% 1496 33,427,017 203 0.00% 1497 33,427,220 199 0.00% 1498 33,427,419 197 0.00% 1499 33,427,616 197 0.00% 1500 33,427,813 196 0.00% 1501 33,428,009 196 0.00% 1502 33,428,204 195 0.00% 1503 33,428,400 195 0.00% 1504 33,428,594 193 0.00% 1505 33,428,787 189 0.00% 1506 33,428,976 189 0.00% 1507 33,429,165 188 0.00% 1508 33,429,354 186 0.00% 1509 33,429,539 185 0.00% 1510 33,429,724 185 0.00% 1511 33,429,909 183 0.00% 1512 33,430,091 182 0.00% 1513 33,430,273 179 0.00% 1514 33,430,452 177 0.00% 1515 33,430,629 175 0.00% 1516 33,430,804 172 0.00% 1517 33,430,976 171 0.00% 1518 33,431,147 171 0.00% 1519 33,431,318 171 0.00% 1520 33,431,489 Prepared by Tim Carr 1/3/2006 Cum Percent 99.89% 99.89% 99.89% 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% 99.91% 99.91% 99.91% 99.91% 99.91% 99.91% 99.91% 99.91% 99.91% 99.91% 99.91% 99.91% 99.91% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.92% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.93% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% 99.94% Page 20 Operator Name Kernodle Bros. Oil & Gas Lamer, Paul, Inc. Kansas Horizon Oil, Inc. Silhan, Terry G & C Oil Three-D Resources, Inc. Argas Incorporated Brown, William F. Robert S. Kempnich II John K. Sanders Parr, Joe Jesseph Oil Well Serv. Clawson, Merle Eugene Chance Drilling Company Leedy Oil Producers H & B Oil Company Little Guy Oil & Gas, Inc. SO-I (Partnership) Vick Putman, Executor for the Estate of Walker, Carl Jerome New Generation Oil Inc Jones, Marion Bridwell, Kayla & Gary Engel Investments LLC CLX Energy, Inc. Wise, Rodney J. K & E Drilling, Inc. Foster Oil & Gas Kjellin, Charles Willard Keith F. Walker Oil & Gas Co., LLC C.E.G. Oil Co. Bigge, Bethyl Fry S & K Oil Company Prairie Oil Sterling Exploration Blaes, Leo Raymond Horton, Jack Pretz, George W. Conner, Eugene R.T. Enterprises of Kansas, Inc. Dakota Drilling, LLC Spratt, Laurence D, Jr Wollard-Abbott Crude Levinson Partners Corporation Cholla Production, L.L.C. Te-Ray Energy, Inc. Tri-L Oil Co. Kepley Well Service J-Mark Louis Dreyfus Gas Holdings, Inc. Studebaker & Sons Edwards Lease,The Rader Exploration Co. Dilley, W.R. & A'Meta I. Barnett, Winfred F. Flores, Caryl Beth Parrish B&L BHP Petroleum Company, Inc. Spencer, Ronald E Line, Shirley K Interior Oil Corporation Beckford, Dwayne & Rita Brian and Janet Jackson Ward Feed Yard, Inc. Burkdoll Oil Co. KLM Operating G & D Van Leeuwen Gear Petroleum Company, Inc. Hrbek, R.L. K.B. Oil & Gas Eden, Robert G. Kaminska, Craig Stewart, Claron H Independent Petroleum Land Services Williams W.R. Burdett, Alfred Mattox, Bob Production Company Company Cumulative Barrels Percent Rank Production 170 0.00% 1521 33,431,659 170 0.00% 1522 33,431,829 169 0.00% 1523 33,431,998 168 0.00% 1524 33,432,167 168 0.00% 1525 33,432,335 167 0.00% 1526 33,432,502 165 0.00% 1527 33,432,666 164 0.00% 1528 33,432,830 164 0.00% 1529 33,432,994 162 0.00% 1530 33,433,156 162 0.00% 1531 33,433,319 162 0.00% 1532 33,433,480 161 0.00% 1533 33,433,641 161 0.00% 1534 33,433,802 161 0.00% 1535 33,433,963 160 0.00% 1536 33,434,123 160 0.00% 1537 33,434,284 160 0.00% 1538 33,434,443 160 0.00% 1539 33,434,603 160 0.00% 1540 33,434,763 159 0.00% 1541 33,434,922 159 0.00% 1542 33,435,081 159 0.00% 1543 33,435,240 158 0.00% 1544 33,435,398 157 0.00% 1545 33,435,555 157 0.00% 1546 33,435,712 156 0.00% 1547 33,435,869 155 0.00% 1548 33,436,024 155 0.00% 1549 33,436,179 154 0.00% 1550 33,436,334 154 0.00% 1551 33,436,487 153 0.00% 1552 33,436,640 150 0.00% 1553 33,436,790 148 0.00% 1554 33,436,939 148 0.00% 1555 33,437,087 148 0.00% 1556 33,437,234 147 0.00% 1557 33,437,382 147 0.00% 1558 33,437,529 146 0.00% 1559 33,437,675 146 0.00% 1560 33,437,821 145 0.00% 1561 33,437,966 145 0.00% 1562 33,438,111 145 0.00% 1563 33,438,256 144 0.00% 1564 33,438,400 144 0.00% 1565 33,438,544 143 0.00% 1566 33,438,687 142 0.00% 1567 33,438,829 140 0.00% 1568 33,438,969 140 0.00% 1569 33,439,109 138 0.00% 1570 33,439,247 137 0.00% 1571 33,439,384 137 0.00% 1572 33,439,521 136 0.00% 1573 33,439,657 135 0.00% 1574 33,439,792 134 0.00% 1575 33,439,927 134 0.00% 1576 33,440,061 133 0.00% 1577 33,440,194 133 0.00% 1578 33,440,326 129 0.00% 1579 33,440,456 129 0.00% 1580 33,440,585 127 0.00% 1581 33,440,712 127 0.00% 1582 33,440,839 127 0.00% 1583 33,440,966 126 0.00% 1584 33,441,092 125 0.00% 1585 33,441,217 125 0.00% 1586 33,441,342 125 0.00% 1587 33,441,467 124 0.00% 1588 33,441,592 123 0.00% 1589 33,441,715 119 0.00% 1590 33,441,833 118 0.00% 1591 33,441,951 118 0.00% 1592 33,442,069 118 0.00% 1593 33,442,187 115 0.00% 1594 33,442,302 111 0.00% 1595 33,442,414 106 0.00% 1596 33,442,520 Prepared by Tim Carr 1/3/2006 Cum Percent 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.95% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.96% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.97% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% Page 21 Operator Name Murphy Charles H. Haffner, Dan Martin, Bob Oil Gas Management, Inc. Angle Oil Company Premium Well Service Tatlock, Inc. Col-Kan Development, Inc. Stephens, Autry C., Co.(Endeavor Energy Resources LLC) ELLINWOOD OIL RECLAIMING INC Terrol Energy, Inc. Tyrok P & B Oil Co. Rock Bottom Oil Elmore Farm Renner, Rush D. Encorp, Inc. Shelton, Robert Odyssey Petroleum, Inc. Housel, Robert E. Boeckman, Robert Sharon Resources, Inc. Folk, John R. J & H Oil Co. Stucky, Kenneth R, Oil & Gas Opr. Alexander, Geraldine Boyce, Clarence or Pauline DeRay LLC Cornwell, Ltd. Rourk, Delma M. Jack's Well Service Benus, Chris Van Buskirk, Billy L. Gamma Resources, Inc. Producers Oil Company Woco, Inc. Triple K River Gas Chanute, LLC En/Drill America, Inc. Johnson, E. Wallace Haas Petroleum, LLC Mid-Am Production/Mid-America Services Randy J Walker Oil Company Ford, George Hurd, James M. B & B Oil Company Voshell, Virginia May Snyder, K. Lance Walker Tank Service, Inc Steiner Oil and Gas Crager, Margie L. Hermreck Oil Company Jordan Wilson First Delta of Oklahoma, Inc. WOODY ENERGY COR Blockhaus Oil, LLC Energy Management Co. Widrig, Don Cody & Krysti Hunsperger Craig, Bruce R. & Joanne L. D & L Oil Co. Goff, Donald E. Fourth Quarter Program Abercrombie, A. L., Inc Parka Exploration, Incorporated International Royalty & Oil Co. Dot Energy, Incorporated Clinton, Orville L., Jr. Antuca Petroleum United States Exploration, Inc. Indiek, John Magnum Oil & Gas Xanadu Exploration Company Cooper Service Co. Sand Hill Oil Co. Williams, Bob Production Company Company Cumulative Barrels Percent Rank Production 101 0.00% 1597 33,442,621 100 0.00% 1598 33,442,721 99 0.00% 1599 33,442,820 99 0.00% 1600 33,442,919 97 0.00% 1601 33,443,017 96 0.00% 1602 33,443,112 94 0.00% 1603 33,443,207 94 0.00% 1604 33,443,301 94 0.00% 1605 33,443,395 93 0.00% 1606 33,443,488 92 0.00% 1607 33,443,580 89 0.00% 1608 33,443,669 89 0.00% 1609 33,443,759 89 0.00% 1610 33,443,848 88 0.00% 1611 33,443,936 88 0.00% 1612 33,444,024 88 0.00% 1613 33,444,112 87 0.00% 1614 33,444,199 87 0.00% 1615 33,444,286 86 0.00% 1616 33,444,371 84 0.00% 1617 33,444,456 84 0.00% 1618 33,444,540 84 0.00% 1619 33,444,624 83 0.00% 1620 33,444,707 83 0.00% 1621 33,444,790 82 0.00% 1622 33,444,872 81 0.00% 1623 33,444,953 81 0.00% 1624 33,445,034 81 0.00% 1625 33,445,115 81 0.00% 1626 33,445,196 81 0.00% 1627 33,445,276 80 0.00% 1628 33,445,357 80 0.00% 1629 33,445,437 80 0.00% 1630 33,445,517 80 0.00% 1631 33,445,597 80 0.00% 1632 33,445,677 80 0.00% 1633 33,445,757 80 0.00% 1634 33,445,837 80 0.00% 1635 33,445,916 78 0.00% 1636 33,445,994 78 0.00% 1637 33,446,072 77 0.00% 1638 33,446,149 77 0.00% 1639 33,446,226 75 0.00% 1640 33,446,301 73 0.00% 1641 33,446,374 73 0.00% 1642 33,446,447 72 0.00% 1643 33,446,519 72 0.00% 1644 33,446,590 71 0.00% 1645 33,446,661 70 0.00% 1646 33,446,731 70 0.00% 1647 33,446,801 69 0.00% 1648 33,446,870 69 0.00% 1649 33,446,939 68 0.00% 1650 33,447,007 67 0.00% 1651 33,447,074 67 0.00% 1652 33,447,141 65 0.00% 1653 33,447,205 62 0.00% 1654 33,447,268 62 0.00% 1655 33,447,330 62 0.00% 1656 33,447,392 62 0.00% 1657 33,447,454 61 0.00% 1658 33,447,515 61 0.00% 1659 33,447,576 61 0.00% 1660 33,447,637 60 0.00% 1661 33,447,697 60 0.00% 1662 33,447,757 60 0.00% 1663 33,447,817 60 0.00% 1664 33,447,876 59 0.00% 1665 33,447,935 58 0.00% 1666 33,447,993 58 0.00% 1667 33,448,051 57 0.00% 1668 33,448,108 57 0.00% 1669 33,448,166 57 0.00% 1670 33,448,222 55 0.00% 1671 33,448,277 54 0.00% 1672 33,448,331 Prepared by Tim Carr 1/3/2006 Cum Percent 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.98% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% 99.99% Page 22 Operator Name Consolidated Oil & Gas, Inc. D.U. Investments Provecho Partners The Gary-Williams Company Melland Drilling Co., Inc. Central Production Company, Inc. Gutschenritter, Tony Davis, John T. Decker Lease Operations, Inc. Hush, James B & B Drilling Co. Gowdy Chemical Co. Alrod, LLC Morris, Jim L. Gee Oil Service Darnall, Walter E. Tutcher, Dan C. Maxwell Operating Co., Inc. Whiting Oil C.J. Energy Corp. Wilson, Mark D. Geo Oil & Gas Service Fell Oil & Gas Company Rivendell Farms, Inc. Wright, Erbe & Oil Assoc.& Tubbs Paul's Oilfield Service JFW, Inc. Subsidy Oil Co., LLC Triple E Drilling Co Southwind Exploration, LLC D.W.S. Properties Hilliker Production Lasmo Energy Corporation Layton, Glenn F, Jr Gilmore Tank Service Dalen Resources Oil and Gas Co. Kay Dee Oil Costilla Petroleum Corporation Beier, Ben Trust Tidd, Frankie Sabre Operating, Inc. Getty Oil Company Energy One Oil Operations Lumen Energy Corporation William B. Qualls Bob's Oil Service, Inc. Green, J. R. Samson Properties, Incorporated National Cooperative Refinery Assoc. Circle S Oil, L.L.C. Lyons & Lyons, Inc. Total Production July 2004 ==> June 2005 Production Barrels 52 52 52 51 51 50 50 49 49 49 48 48 47 46 46 45 45 44 44 43 42 41 40 39 39 34 34 32 32 32 32 30 30 30 25 23 22 22 22 22 20 19 17 16 16 14 10 9 5 3 2 Company Company Cumulative Percent Rank Production 0.00% 1673 33,448,383 0.00% 1674 33,448,435 0.00% 1675 33,448,487 0.00% 1676 33,448,538 0.00% 1677 33,448,589 0.00% 1678 33,448,639 0.00% 1679 33,448,689 0.00% 1680 33,448,738 0.00% 1681 33,448,788 0.00% 1682 33,448,836 0.00% 1683 33,448,884 0.00% 1684 33,448,932 0.00% 1685 33,448,979 0.00% 1686 33,449,025 0.00% 1687 33,449,071 0.00% 1688 33,449,116 0.00% 1689 33,449,161 0.00% 1690 33,449,205 0.00% 1691 33,449,248 0.00% 1692 33,449,292 0.00% 1693 33,449,334 0.00% 1694 33,449,374 0.00% 1695 33,449,414 0.00% 1696 33,449,454 0.00% 1697 33,449,493 0.00% 1698 33,449,527 0.00% 1699 33,449,560 0.00% 1700 33,449,593 0.00% 1701 33,449,625 0.00% 1702 33,449,657 0.00% 1703 33,449,688 0.00% 1704 33,449,719 0.00% 1705 33,449,749 0.00% 1706 33,449,779 0.00% 1707 33,449,804 0.00% 1708 33,449,827 0.00% 1709 33,449,849 0.00% 1710 33,449,871 0.00% 1711 33,449,893 0.00% 1712 33,449,914 0.00% 1713 33,449,934 0.00% 1714 33,449,953 0.00% 1715 33,449,970 0.00% 1716 33,449,986 0.00% 1717 33,450,002 0.00% 1718 33,450,016 0.00% 1719 33,450,027 0.00% 1720 33,450,036 0.00% 1721 33,450,041 0.00% 1722 33,450,044 0.00% 1723 33,450,046 Cum Percent 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 33,450,046 Prepared by Tim Carr 1/3/2006 Page 23