| 732078 | Jan 27, 2012 | Jan 27, 2012 | Chesapeake Operating, Inc. | Gibson Dim #C 1HH | 9,000 | 12734532 |
| 732030 | Jan 27, 2012 | Jan 27, 2012 | R360 Environmental Solutions Inc | Farias SWD #1 | 5,000 | 12734528 |
| 731996 | Jan 27, 2012 | Jan 27, 2012 | Chesapeake Operating, Inc. | Briscoe Ranch Unit B Dim #1HH | 9,000 | 12734529 |
| 731992 | Jan 27, 2012 | Jan 27, 2012 | Chesapeake Operating, Inc. | Wilson Tracts Dim #A 1HH | 12,000 | 12734527 |
| 732152 | Jan 26, 2012 | Jan 26, 2012 | Dimmit County SWD, LLC | Brown #2 | 4,600 | 12734531 |
| 732151 | Jan 26, 2012 | Jan 26, 2012 | Dimmit County SWD, LLC | Brown #1 | 4,600 | 12734530 |
| 731960 | Jan 26, 2012 | Jan 26, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #26HH | 9,200 | 12734524 |
| 731960Amendment | Jan 26, 2012 | Jan 26, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #26HH | 9,200 | 12734524 |
| 731953 | Jan 26, 2012 | Jan 26, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #25HH | 9,200 | 12734523 |
| 731953Amendment | Jan 26, 2012 | Jan 26, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #25HH | 9,200 | 12734523 |
| 731949 | Jan 26, 2012 | Jan 26, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #24HH | 9,200 | 12734522 |
| 731949Amendment | Jan 26, 2012 | Jan 26, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #24HH | 9,200 | 12734522 |
| 731943 | Jan 26, 2012 | Jan 26, 2012 | Chesapeake Operating, Inc. | Faith Toro Dim #A 4HH | 9,000 | 12734526 |
| 731941 | Jan 26, 2012 | Jan 26, 2012 | Chesapeake Operating, Inc. | Faith Toro Dim #A 3HH | 9,000 | 12734525 |
| 731871 | Jan 26, 2012 | Jan 26, 2012 | Newfield Exploration Company | Moro Creek #2403HH | 8,000 | 12734521 |
| 731789 | Jan 25, 2012 | Jan 25, 2012 | Chesapeake Operating, Inc. | Bell Unit a Dim #2HH | 9,000 | 12734520 |
| 731785 | Jan 24, 2012 | Jan 24, 2012 | Rosetta Resources Operating LP | Briscoe Ranch EF #4H | 7,900 | 12734519 |
| 731781 | Jan 24, 2012 | Jan 24, 2012 | Rosetta Resources Operating LP | Briscoe Ranch EF #3H | 7,900 | 12734518 |
| 731778 | Jan 24, 2012 | Jan 24, 2012 | Rosetta Resources Operating LP | Briscoe Ranch EF #2H | 7,900 | 12734517 |
| 731740 | Jan 24, 2012 | Jan 24, 2012 | Rosetta Resources Operating LP | Light Ranch #3H | 8,350 | 12734515 |
| 731740Amendment | Jan 24, 2012 | Jan 24, 2012 | Rosetta Resources Operating LP | Light Ranch #3H | 8,350 | 12734515 |
| 731673 | Jan 24, 2012 | Jan 24, 2012 | CML Exploration, LLC | Dunlap #1H | 6,900 | 12734506 |
| 731673Amendment | Jan 24, 2012 | Jan 24, 2012 | CML Exploration, LLC | Dunlap #1H | 6,900 | 12734506 |
| 731667 | Jan 24, 2012 | Jan 24, 2012 | Shell Western E&P | Piloncillo #A 9HXH | 18,000 | 12734514 |
| 731736 | Jan 23, 2012 | Jan 23, 2012 | Rosetta Resources Operating LP | Light Ranch #2H | 8,000 | 12734513 |
| 731731 | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #23HH | 9,200 | 12734512 |
| 731731Amendment | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #23HH | 8,500 | 12734512 |
| 731728 | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #22HH | 9,200 | 12734511 |
| 731728Amendment | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #22HH | 8,500 | 12734511 |
| 731726 | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #21HH | 9,200 | 12734510 |
| 731726Amendment | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #21HH | 8,500 | 12734510 |
| 731725 | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #20HH | 9,200 | 12734509 |
| 731725Amendment | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #20HH | 8,500 | 12734509 |
| 731720 | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #19HH | 9,200 | 12734508 |
| 731720Amendment | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #19HH | 8,500 | 12734508 |
| 731715 | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #18HH | 9,200 | 12734507 |
| 731715Amendment | Jan 23, 2012 | Jan 23, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #18HH | 8,500 | 12734507 |
| 731669 | Jan 23, 2012 | Jan 23, 2012 | Shell Western E&P | Piloncillo #A 9HZH | 18,000 | 12734505 |
| 731668 | Jan 23, 2012 | Jan 23, 2012 | Shell Western E&P | Piloncillo #A 9HYH | 18,000 | 12734504 |
| 731657 | Jan 23, 2012 | Jan 23, 2012 | Chesapeake Operating, Inc. | Martinez Dim #D 1HH | 9,000 | 12734502 |
| 731649 | Jan 23, 2012 | Jan 23, 2012 | Chesapeake Operating, Inc. | Faith Sandy Dim #D 2HH | 9,000 | 12734501 |
| 731666 | Jan 21, 2012 | Jan 21, 2012 | Shell Western E&P | Piloncillo #A 9HWH | 18,000 | 12734503 |
| 731381 | Jan 18, 2012 | Jan 18, 2012 | Chesapeake Operating, Inc. | Faith Sandy Dim #D 1HH | 9,000 | 12734498 |
| 731384 | Jan 13, 2012 | Jan 13, 2012 | Redemption Oil & Gas, LLC | Shook #203H | 3,400 | 12734499 |
| 731375 | Jan 13, 2012 | Jan 13, 2012 | Redemption Oil & Gas, LLC | Tocquigny #201 | 3,400 | 12734497 |
| 731327 | Jan 13, 2012 | Jan 13, 2012 | Newfield Exploration Company | Moro Creek #2301HH | 8,000 | 12734495 |
| 731311 | Jan 13, 2012 | Jan 13, 2012 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #66HH | 8,700 | 12734494 |
| 731311Amendment | Jan 13, 2012 | Jan 13, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina East Ranch #66HH | 8,700 | 12734494 |
| 731196 | Jan 13, 2012 | Jan 13, 2012 | Chesapeake Operating, Inc. | Martinez Dim #A 2HH | 9,000 | 12734493 |
| 731127 | Jan 12, 2012 | Jan 12, 2012 | Anadarko E&P Company LP | Fogmt #9SPH | 7,000 | 12734490 |
| 731127Amendment | Jan 12, 2012 | Jan 12, 2012 | Anadarko E&P Onshore LLC | Fogmt #9SPH | 7,000 | 12734490 |
| 731125 | Jan 12, 2012 | Jan 12, 2012 | Anadarko E&P Company LP | Fogmt #8SPH | 7,000 | 12734491 |
| 731125Amendment | Jan 12, 2012 | Jan 12, 2012 | Anadarko E&P Onshore LLC | Fogmt #8SPH | 7,000 | 12734491 |
| 730493 | Jan 12, 2012 | Jan 12, 2012 | El Paso E & P Company, L. P. | Ritchie Farms #18HH | 9,600 | 12734461 |
| 730493Amendment | Jan 12, 2012 | Jan 12, 2012 | El Paso E & P Company, L. P. | Ritchie Farms #18HH | 9,600 | 12734461 |
| 730493Amendment | Jan 12, 2012 | Jan 12, 2012 | El Paso E & P Company, L. P. | Ritchie Farms #18HH | 9,600 | 12734461 |
| 730493Amendment | Jan 12, 2012 | Jan 12, 2012 | El Paso E & P Company, L. P. | Ritchie Farms #18HH | 9,600 | 12734461 |
| 731116 | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #65HH | 8,700 | 12734492 |
| 731116Amendment | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina East Ranch #65HH | 8,700 | 12734492 |
| 731100 | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #64HH | 8,700 | 12734489 |
| 731100Amendment | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina East Ranch #64HH | 8,700 | 12734489 |
| 731097 | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #63HH | 8,700 | 12734488 |
| 731097Amendment | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina East Ranch #63HH | 8,700 | 12734488 |
| 731095 | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #62HH | 8,700 | 12734487 |
| 731095Amendment | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina East Ranch #62HH | 8,700 | 12734487 |
| 731089 | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #61HH | 8,700 | 12734486 |
| 731089Amendment | Jan 11, 2012 | Jan 11, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina East Ranch #61HH | 8,700 | 12734486 |
| 730497 | Jan 11, 2012 | Jan 11, 2012 | El Paso E & P Company, L. P. | Ritchie Farms #19HH | 9,600 | 12734462 |
| 730497Amendment | Jan 11, 2012 | Jan 11, 2012 | El Paso E & P Company, L. P. | Ritchie Farms #19HH | 9,600 | 12734462 |
| 730497Amendment | Jan 11, 2012 | Jan 11, 2012 | El Paso E & P Company, L. P. | Ritchie Farms #19HH | 9,600 | 12734462 |
| 731040 | Jan 10, 2012 | Jan 10, 2012 | Chesapeake Operating, Inc. | Gibson South Dim #A 2HH | 9,000 | 12734485 |
| 731014 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #17HH | 9,200 | 12734483 |
| 731014Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #17HH | 9,200 | 12734483 |
| 731013 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #16HH | 9,200 | 12734482 |
| 731013Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #16HH | 9,200 | 12734482 |
| 731009 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #15HH | 9,200 | 12734481 |
| 731009Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #15HH | 9,200 | 12734481 |
| 731004 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Cochina West Ranch #44HH | 8,200 | 12734477 |
| 731004Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina West Ranch #44HH | 8,200 | 12734477 |
| 731000 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Cochina West Ranch #43HH | 8,200 | 12734476 |
| 731000Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina West Ranch #43HH | 8,200 | 12734476 |
| 730994 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Cochina West Ranch #42HH | 8,200 | 12734475 |
| 730991 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #13HH | 9,200 | 12734480 |
| 730991Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #13HH | 9,200 | 12734480 |
| 730987 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Cochina West Ranch #41HH | 8,200 | 12734474 |
| 730987Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina West Ranch #41HH | 8,200 | 12734474 |
| 730986 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #12HH | 9,200 | 12734479 |
| 730976 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Chip East Ranch #11HH | 9,200 | 12734478 |
| 730976Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Chip East Ranch #11HH | 8,100 | 12734478 |
| 730965 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Cochina West Ranch #40HH | 8,200 | 12734473 |
| 730965Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina West Ranch #40HH | 8,200 | 12734473 |
| 730963 | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Company LP | Briscoe Cochina West Ranch #39HH | 8,200 | 12734472 |
| 730963Amendment | Jan 10, 2012 | Jan 10, 2012 | Anadarko E&P Onshore LLC | Briscoe Cochina West Ranch #39HH | 8,200 | 12734472 |
| 729765 | Jan 6, 2012 | Jan 6, 2012 | Sabco Operating Company, LLC | Sabco Elaine AC #103 | 6,500 | 12734484 |
| 730816 | Jan 4, 2012 | Jan 4, 2012 | Chesapeake Operating, Inc. | Briscoe Ranch Unit A #1HH | 12,000 | 12734471 |
| 730816Amendment | Jan 4, 2012 | Jan 4, 2012 | Chesapeake Operating, Inc. | Briscoe Ranch Unit a Dim #1HH | 9,000 | 12734471 |
| 730782 | Jan 4, 2012 | Jan 4, 2012 | Chesapeake Operating, Inc. | Faith Toro Dim B Unit #A 1HH | 9,000 | 12734470 |
| 730649 | Dec 30, 2011 | Dec 30, 2011 | Chesapeake Operating, Inc. | Votaw Dim #E 1HH | 9,000 | 12734469 |
| 730571 | Dec 29, 2011 | Dec 29, 2011 | Chesapeake Operating, Inc. | Faith Toro Dim a Unit #A 1HH | 9,000 | 12734468 |
| 730525 | Dec 28, 2011 | Dec 28, 2011 | Chesapeake Operating, Inc. | Gibson South Dim #B 2HH | 9,000 | 12734463 |