| 649563 | Nov 19, 2007 | Nov 19, 2007 | XTO Energy Inc. | Goldsmith, C. A. #1802 | 6,800 | 13539401 |
| 649560 | Nov 19, 2007 | Nov 19, 2007 | XTO Energy Inc. | Goldsmith, C. A. #1801 | 6,800 | 13539395 |
| 649559 | Nov 19, 2007 | Nov 19, 2007 | Keystone Petroleum GP LLC | Helen Crump #1 | 10,500 | 13539394 |
| 649559Amendment | Nov 19, 2007 | Nov 19, 2007 | Keystone Petroleum GP LLC | Helen Crump #1 | 11,500 | 13539394 |
| 649138 | Nov 13, 2007 | Nov 13, 2007 | Keystone Petroleum GP LLC | Andy #5 | 10,500 | 13539392 |
| 649025 | Nov 12, 2007 | Nov 12, 2007 | Neg Operating LLC | Parker Minerals, Ltd et Al #1114 | 12,000 | 13539391 |
| 648982 | Nov 9, 2007 | Nov 9, 2007 | Henry Petroleum LP | Sallie 'E' #4803 | 10,800 | 13539389 |
| 648969 | Nov 9, 2007 | Nov 9, 2007 | Neg Operating LLC | Parker Minerals, Ltd., et al 7 #6 | 9,000 | 13539390 |
| 648828 | Nov 8, 2007 | Nov 8, 2007 | XTO Energy Inc. | Connell, W. E. NCT-7 #53 | 7,630 | 13501444 |
| 648644 | Nov 5, 2007 | Nov 5, 2007 | Baker Operating, Inc. | Williamson San Andres Unit #H 6 | 4,700 | 13539387 |
| 648643 | Nov 5, 2007 | Nov 5, 2007 | Baker Operating, Inc. | Buster #5 | 4,700 | 13539386 |
| 648721 | Nov 2, 2007 | Nov 2, 2007 | Neg Operating LLC | Parker Minerals, Ltd., et al 7 #8 | 9,000 | 13539388 |
| 646797 | Oct 26, 2007 | Oct 26, 2007 | Four Star Oil and Gas Company | Headlee Devonian Unit #68 | 13,319 | 13506589 |
| 648004 | Oct 19, 2007 | Oct 19, 2007 | Henry Petroleum LP | Sallie #1401 | 10,800 | 13539385 |
| 645557 | Oct 17, 2007 | Oct 17, 2007 | Tacor Resources Inc | Cheyenne-Cummins #1 | 8,195 | 13500055 |
| 645549 | Oct 17, 2007 | Oct 17, 2007 | Andector Exploration Company | Cowden H #7 | 6,400 | 13503190 |
| 647528 | Oct 15, 2007 | Oct 15, 2007 | Neg Operating LLC | Parker Minerals, Ltd et Al #1113 | 12,000 | 13539384 |
| 647527 | Oct 15, 2007 | Oct 15, 2007 | Neg Operating LLC | Parker Minerals, Ltd et Al #1112 | 12,000 | 13539383 |
| 647512 | Oct 15, 2007 | Oct 15, 2007 | Neg Operating LLC | Parker Minerals, Ltd et Al #1111 | 12,000 | 13539382 |
| 647444 | Oct 12, 2007 | Oct 12, 2007 | Conocophillips Company | Embar #21 | 8,510 | 13502715 |
| 646922 | Oct 3, 2007 | Oct 3, 2007 | XTO Energy Inc. | Goldsmith, C.A. et Al #616W | 6,600 | 13500994 |
| 645136 | Sep 28, 2007 | Sep 28, 2007 | Occidental Permian Ltd. | North Cowden Unit #1263H | 5,000 | 13535412 |
| 645105 | Sep 28, 2007 | Sep 28, 2007 | Occidental Permian Ltd. | North Cowden Unit #1271H | 5,000 | 13535427 |
| 645104 | Sep 28, 2007 | Sep 28, 2007 | Occidental Permian Ltd. | North Cowden Unit #1223H | 5,000 | 13535477 |
| 645101 | Sep 28, 2007 | Sep 28, 2007 | Occidental Permian Ltd. | North Cowden Unit #1208H | 5,000 | 13535390 |
| 645099 | Sep 28, 2007 | Sep 28, 2007 | Occidental Permian Ltd. | North Cowden Unit #1161H | 5,000 | 13534819 |
| 646621 | Sep 27, 2007 | Sep 27, 2007 | Conocophillips Company | Goldsmith Andector Unit #L 85 | 6,700 | 13539381 |
| 646619 | Sep 27, 2007 | Sep 27, 2007 | EXL Petroleum, LP | Tatia #8 | 11,000 | 13539380 |
| 646615 | Sep 27, 2007 | Sep 27, 2007 | EXL Petroleum, LP | Tatia #7 | 11,000 | 13539379 |
| 646615Amendment | Sep 27, 2007 | Sep 27, 2007 | EXL Petroleum, LP | Tatia #7 | 11,500 | 13539379 |
| 646607 | Sep 27, 2007 | Sep 27, 2007 | EXL Petroleum, LP | Tatia #6 | 11,000 | 13539378 |
| 646606 | Sep 27, 2007 | Sep 27, 2007 | EXL Petroleum, LP | Tatia #5 | 11,000 | 13539377 |
| 646602 | Sep 26, 2007 | Sep 26, 2007 | Conocophillips Company | Goldsmith Andector Unit #H 85 | 6,700 | 13539376 |
| 646491 | Sep 26, 2007 | Sep 26, 2007 | Conocophillips Company | Goldsmith Andector Unit #F 95 | 6,700 | 13539375 |
| 646488 | Sep 26, 2007 | Sep 26, 2007 | Conocophillips Company | Goldsmith Andector Unit #H105 | 6,700 | 13539374 |
| 646486 | Sep 26, 2007 | Sep 26, 2007 | Conocophillips Company | Goldsmith Andector Unit #J105 | 6,700 | 13539373 |
| 646482 | Sep 26, 2007 | Sep 26, 2007 | Conocophillips Company | Goldsmith Andector Unit #Q115 | 6,700 | 13539372 |
| 646479 | Sep 26, 2007 | Sep 26, 2007 | Conocophillips Company | Goldsmith Andector Unit #P125 | 6,700 | 13539371 |
| 646352 | Sep 26, 2007 | Sep 26, 2007 | Eureka Prospecting Company | Ratliff, Sallie W #2 | 13,750 | 13539370 |
| 644543 | Sep 19, 2007 | Sep 19, 2007 | Satanta Oil Company | Henderson Unit #11 | 5,500 | 13530761 |
| 645389 | Sep 17, 2007 | Sep 17, 2007 | XTO Energy Inc. | Penwell Unit #2225 | 3,880 | 13501652 |
| 645922 | Sep 14, 2007 | Sep 14, 2007 | Conocophillips Company | Goldsmith Andector Unit #F195 | 6,700 | 13539368 |
| 645915 | Sep 14, 2007 | Sep 14, 2007 | Conocophillips Company | Goldsmith Andector Unit #F181 | 6,700 | 13539369 |
| 645901 | Sep 14, 2007 | Sep 14, 2007 | Conocophillips Company | Goldsmith Andector Unit #F171 | 6,700 | 13539365 |
| 645898 | Sep 14, 2007 | Sep 14, 2007 | Conocophillips Company | Goldsmith Andector Unit #B135 | 6,700 | 13539366 |
| 645872 | Sep 14, 2007 | Sep 14, 2007 | Conocophillips Company | Goldsmith Andector Unit #B125 | 6,700 | 13539367 |
| 645352 | Sep 4, 2007 | Sep 4, 2007 | EXL Petroleum, LP | Janice #2 | 11,000 | 13539364 |
| 645348 | Sep 4, 2007 | Sep 4, 2007 | EXL Petroleum, LP | Janice #1 | 11,000 | 13539363 |
| 644894 | Aug 24, 2007 | Aug 24, 2007 | EXL Petroleum, LP | Tatia #4 | 11,000 | 13539362 |
| 644885 | Aug 24, 2007 | Aug 24, 2007 | EXL Petroleum, LP | Tatia #3 | 11,000 | 13539361 |
| 644880 | Aug 24, 2007 | Aug 24, 2007 | EXL Petroleum, LP | Tatia #2 | 11,000 | 13539360 |
| 644873 | Aug 24, 2007 | Aug 24, 2007 | EXL Petroleum, LP | Tatia #1 | 11,000 | 13539359 |
| 644243 | Aug 20, 2007 | Aug 20, 2007 | Torch Energy Services, Inc. | Jordan San Andres Unit #B 9 | 3,620 | 13533271 |
| 644491 | Aug 17, 2007 | Aug 17, 2007 | Energen Resources Corporation | East Penwell/San Andres/Unit #1123 | 3,999 | 13539358 |
| 641222 | Aug 17, 2007 | Aug 17, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #331 | 4,500 | 13539332 |
| 644151 | Aug 14, 2007 | Aug 14, 2007 | Neg Operating LLC | Parker Minerals, Ltd et Al #1110 | 12,000 | 13539357 |
| 644150 | Aug 13, 2007 | Aug 13, 2007 | Neg Operating LLC | Parker Minerals, Ltd et Al #1109 | 12,000 | 13539356 |
| 643792 | Aug 10, 2007 | Aug 10, 2007 | OXY USA WTP LP | Worker Bee D #1 | 10,000 | 13539355 |
| 643601 | Aug 8, 2007 | Aug 8, 2007 | Neg Operating LLC | Parker Minerals Ltd et Al #4801 | 9,000 | 13538778 |
| 643599 | Aug 8, 2007 | Aug 8, 2007 | Turrentine Oil & Gas, Inc. | Foster, H. S. #31 | 4,700 | 13539354 |
| 643598 | Aug 8, 2007 | Aug 8, 2007 | Turrentine Oil & Gas, Inc. | Foster, H. S. "10" #2 | 4,700 | 13504883 |
| 637671Amendment | Aug 8, 2007 | Aug 8, 2007 | Neg Operating LLC | Parker Minerals, Ltd., et al 7 #2 | 9,000 | 13539316 |
| 637670Amendment | Aug 7, 2007 | Aug 7, 2007 | Neg Operating LLC | Parker Minerals, Ltd., et al 11 #5 | 9,000 | 13539315 |
| 604196Amendment | Aug 2, 2007 | Aug 2, 2007 | Henry Petroleum LP | Sallie 'B' #1206 | 10,800 | 13538923 |
| 642778 | Jul 31, 2007 | Jul 31, 2007 | EXL Petroleum, LP | Maryellen #1 | 11,000 | 13539353 |
| 641291 | Jul 31, 2007 | Jul 31, 2007 | XTO Energy Inc. | Connell, W. E., NCT-2 #168 | 6,105 | 13536743 |
| 642771 | Jul 30, 2007 | Jul 30, 2007 | EXL Petroleum, LP | Maryellen #2 | 11,000 | 13539352 |
| 642761 | Jul 30, 2007 | Jul 30, 2007 | EXL Petroleum, LP | Charlotte #1 | 11,000 | 13539351 |
| 642753 | Jul 30, 2007 | Jul 30, 2007 | EXL Petroleum, LP | Charlotte #2 | 11,000 | 13539350 |
| 642753Amendment | Jul 30, 2007 | Jul 30, 2007 | EXL Petroleum, LP | Charlotte #2 | 11,500 | 13539350 |
| 641171 | Jul 27, 2007 | Jul 27, 2007 | Conocophillips Company | Nobles #1D | 8,561 | 13504350 |
| 640868 | Jul 25, 2007 | Jul 25, 2007 | Conocophillips Company | Goldsmith Andector Unit #A115 | 6,750 | 13539347 |
| 640845 | Jul 24, 2007 | Jul 24, 2007 | Conocophillips Company | Goldsmith Andector Unit #A105 | 6,750 | 13539349 |
| 640701 | Jul 24, 2007 | Jul 24, 2007 | Conocophillips Company | Goldsmith Andector Unit #B115 | 6,750 | 13539348 |
| 641993 | Jul 16, 2007 | Jul 16, 2007 | XTO Energy Inc. | Goldsmith San Andres Unit #86 | 4,500 | 13500500 |
| 641641 | Jul 11, 2007 | Jul 11, 2007 | EXL Petroleum, LP | Opie #1 | 11,000 | 13539346 |
| 641623 | Jul 11, 2007 | Jul 11, 2007 | EXL Petroleum, LP | Opie #2 | 11,000 | 13539345 |
| 641565 | Jul 10, 2007 | Jul 10, 2007 | Henry Petroleum LP | Sallie 'B' #1105 | 10,800 | 13539344 |
| 641565Amendment | Jul 10, 2007 | Jul 10, 2007 | Henry Petroleum LP | SALLIE11 #5 | 10,800 | 13539344 |
| 641563 | Jul 10, 2007 | Jul 10, 2007 | Henry Petroleum LP | Sallie 'F' #707 | 10,800 | 13539343 |
| 641487 | Jul 6, 2007 | Jul 6, 2007 | Henry Petroleum LP | Sallie #1301 | 10,800 | 13539342 |
| 641390 | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #213W | 4,500 | 13539336 |
| 641389 | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1318W | 4,500 | 13539341 |
| 641389Amendment | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1318W | 4,500 | 13539341 |
| 641388 | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1322W | 4,500 | 13539340 |
| 641387 | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1320W | 4,500 | 13539339 |
| 641387Amendment | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1320W | 4,500 | 13539339 |
| 641385 | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1419W | 3,999 | 13539338 |
| 641381 | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1321 | 4,500 | 13539337 |
| 641381Amendment | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1321 | 4,500 | 13539337 |
| 641372 | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1319 | 4,500 | 13539335 |
| 641372Amendment | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1319 | 4,500 | 13539335 |
| 641368 | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1317 | 4,500 | 13539334 |
| 641368Amendment | Jul 6, 2007 | Jul 6, 2007 | Energen Resources Corporation | East Penwell /San Andres/ Unit #1317 | 4,500 | 13539334 |
| 641188 | Jul 5, 2007 | Jul 5, 2007 | Eureka Prospecting Company | Sallie W. Ratliff #13 | 13,800 | 13539333 |
| 640843 | Jun 27, 2007 | Jun 27, 2007 | Conocophillips Company | Goldsmith Andector Unit #B 95 | 6,750 | 13539330 |
| 640541 | Jun 20, 2007 | Jun 20, 2007 | Conocophillips Company | Goldsmith Andector Unit #A 95 | 6,750 | 13539329 |
| 640375 | Jun 12, 2007 | Jun 12, 2007 | Honeck Oil Company, LP | Barrow #1 | 5,700 | 13539328 |
| 639510 | May 29, 2007 | May 29, 2007 | Neg Operating LLC | Parker Minerals, Ltd et Al #1108 | 9,000 | 13539327 |
| 639508 | May 29, 2007 | May 29, 2007 | Neg Operating LLC | Parker Minerals, Ltd et Al #1107 | 9,000 | 13539326 |