| 724384Amendment | Sep 27, 2011 | Sep 27, 2011 | Laredo Energy | State of Texas - Hill Ranch #4HH | 13,500 | 47941541 |
| 723749 | Sep 27, 2011 | Sep 27, 2011 | SM Energy Company | Galvan Ranch #A359HH | 12,000 | 47941524 |
| 724865 | Sep 26, 2011 | Sep 26, 2011 | Lewis Petro Properties, Inc. | Gates 07-Dr G.U. #23HH | 17,000 | 47941547 |
| 724865Amendment | Sep 26, 2011 | Sep 26, 2011 | Lewis Petro Properties, Inc. | Gates 07-Dr G.U. #23HH | 17,000 | 47941547 |
| 724854 | Sep 26, 2011 | Sep 26, 2011 | Escondido Resources II, LLC | Cerrito #21HH | 14,000 | 47941546 |
| 724799 | Sep 26, 2011 | Sep 26, 2011 | Evolution Operating Co., Inc. | Lopez Montemayor SWD #2 | 3,000 | 47941545 |
| 724755 | Sep 23, 2011 | Sep 23, 2011 | Rosetta Resources Operating LP | Gates 05D #5012AH | 8,500 | 47941544 |
| 724755Amendment | Sep 23, 2011 | Sep 23, 2011 | Rosetta Resources Operating LP | Gates 05D #6012AH | 8,500 | 47941544 |
| 724754 | Sep 23, 2011 | Sep 23, 2011 | Rosetta Resources Operating LP | Gates 05D #4012AH | 8,500 | 47941543 |
| 724751 | Sep 23, 2011 | Sep 23, 2011 | Rosetta Resources Operating LP | Gates 05D #3012AH | 8,500 | 47941542 |
| 724660 | Sep 23, 2011 | Sep 23, 2011 | Lewis Petro Properties, Inc. | Manry State A3210 #1HH | 17,000 | 47941540 |
| 724660Amendment | Sep 23, 2011 | Sep 23, 2011 | Lewis Petro Properties, Inc. | Manry State A3210 #1HH | 17,000 | 47941540 |
| 724637 | Sep 22, 2011 | Sep 22, 2011 | Evolution Operating Co., Inc. | Lopez Montemayor SWD #1 | 3,000 | 47941539 |
| 724597 | Sep 22, 2011 | Sep 22, 2011 | Laredo Energy | State of Texas-Puig Bros. Corp. #2HH | 11,500 | 47941538 |
| 724556 | Sep 22, 2011 | Sep 22, 2011 | Rosetta Resources Operating LP | Gates 05D 10 #12H | 8,500 | 47941537 |
| 724526 | Sep 22, 2011 | Sep 22, 2011 | Lewis Petro Properties, Inc. | Leyendecker-Hunter 1377 #3HH | 17,000 | 47941536 |
| 724526Amendment | Sep 22, 2011 | Sep 22, 2011 | Lewis Petro Properties, Inc. | Leyendecker-Hunter 1377 #3HH | 12,500 | 47941536 |
| 724526Amendment | Sep 22, 2011 | Sep 22, 2011 | Lewis Petro Properties, Inc. | Leyendecker-Hunter 1377 #3HH | 12,500 | 47941536 |
| 724412 | Sep 22, 2011 | Sep 22, 2011 | Devon Energy Production Co, L.P. | Vaquillas #17HH | 10,000 | 47941530 |
| 724555 | Sep 21, 2011 | Sep 21, 2011 | Rosetta Resources Operating LP | Gates 05D #2012AH | 8,500 | 47941535 |
| 724554 | Sep 21, 2011 | Sep 21, 2011 | Rosetta Resources Operating LP | Gates 05D #1012AH | 8,500 | 47941534 |
| 724553 | Sep 21, 2011 | Sep 21, 2011 | Rosetta Resources Operating LP | Gates 05D #9012H | 8,500 | 47941533 |
| 724552 | Sep 21, 2011 | Sep 21, 2011 | Rosetta Resources Operating LP | Gates 05D #8012H | 8,500 | 47941532 |
| 724550 | Sep 21, 2011 | Sep 21, 2011 | Rosetta Resources Operating LP | Gates 05D #7012H | 8,500 | 47941531 |
| 724447 | Sep 21, 2011 | Sep 21, 2011 | Mohican Operating, L.L.C. | Bhe #4 | 9,500 | 47941529 |
| 724424 | Sep 21, 2011 | Sep 21, 2011 | Lewis Petro Properties, Inc. | Comrich Minerals #1 | 12,500 | 47941528 |
| 724171 | Sep 21, 2011 | Sep 21, 2011 | Shell Western E&P | Piloncillo #D 11HDH | 18,000 | 47941511 |
| 724170 | Sep 21, 2011 | Sep 21, 2011 | Shell Western E&P | Piloncillo #D 11HCH | 18,000 | 47941509 |
| 724169 | Sep 21, 2011 | Sep 21, 2011 | Shell Western E&P | Piloncillo #D 11HBH | 18,000 | 47941508 |
| 724167 | Sep 21, 2011 | Sep 21, 2011 | Shell Western E&P | Piloncillo #D 11HAH | 18,000 | 47941510 |
| 724330 | Sep 20, 2011 | Sep 20, 2011 | SM Energy Company | Briscoe R #13HH | 10,000 | 47941527 |
| 724421 | Sep 19, 2011 | Sep 19, 2011 | Lewis Petro Properties, Inc. | Fasken State A2756 #13HH | 17,000 | 47941526 |
| 724421Amendment | Sep 19, 2011 | Sep 19, 2011 | Lewis Petro Properties, Inc. | Fasken-State A2756 #8HRH | 17,000 | 47941526 |
| 724421Amendment | Sep 19, 2011 | Sep 19, 2011 | Lewis Petro Properties, Inc. | Fasken-State A2756 #8HRH | 17,000 | 47941526 |
| 724281 | Sep 19, 2011 | Sep 19, 2011 | SM Energy Company | Briscoe G #16HH | 12,000 | 47941525 |
| 724278 | Sep 16, 2011 | Sep 16, 2011 | SM Energy Company | Briscoe G #15HH | 10,000 | 47941523 |
| 724275 | Sep 16, 2011 | Sep 16, 2011 | SM Energy Company | Briscoe G #14HH | 10,000 | 47941522 |
| 724270 | Sep 16, 2011 | Sep 16, 2011 | Anadarko E&P Company LP | Worthey Ranch #29HH | 9,475 | 47941521 |
| 724248 | Sep 16, 2011 | Sep 16, 2011 | Lewis Petro Properties, Inc. | La Moca Gas Unit T #20HH | 12,500 | 47941520 |
| 724246 | Sep 16, 2011 | Sep 16, 2011 | Anadarko E&P Company LP | Worthey Ranch #28HH | 9,475 | 47941518 |
| 724242 | Sep 16, 2011 | Sep 16, 2011 | Anadarko E&P Company LP | Worthey Ranch #27HH | 9,475 | 47941517 |
| 724241 | Sep 16, 2011 | Sep 16, 2011 | Anadarko E&P Company LP | Worthey Ranch #26HH | 9,475 | 47941515 |
| 724235 | Sep 16, 2011 | Sep 16, 2011 | Conocophillips Company | Vaquillas Ranch 'A4' #247 | 13,011 | 47941513 |
| 724217 | Sep 16, 2011 | Sep 16, 2011 | SM Energy Company | Neel #3HH | 12,000 | 47941519 |
| 724208 | Sep 16, 2011 | Sep 16, 2011 | Lewis Petro Properties, Inc. | Volz 1125 #4HH | 12,500 | 47941516 |
| 724206 | Sep 16, 2011 | Sep 16, 2011 | Lewis Petro Properties, Inc. | M.B. Minerals #1 | 10,000 | 47941512 |
| 724200 | Sep 16, 2011 | Sep 16, 2011 | Lewis Petro Properties, Inc. | Trevino Ranch #6HH | 17,000 | 47941514 |
| 724134 | Sep 16, 2011 | Sep 16, 2011 | Lewis Petro Properties, Inc. | Juan Salinas #4HH | 12,500 | 47941507 |
| 724134Amendment | Sep 16, 2011 | Sep 16, 2011 | Lewis Petro Properties, Inc. | Juan Salinas #4HH | 12,500 | 47941507 |
| 723705 | Sep 16, 2011 | Sep 16, 2011 | Anadarko E&P Company LP | Worthey Ranch #13HH | 9,525 | 47941502 |
| 723312 | Sep 16, 2011 | Sep 16, 2011 | SM Energy Company | Briscoe R GU2 #9HH | 10,000 | 47941471 |
| 723877 | Sep 15, 2011 | Sep 15, 2011 | Conocophillips Company | Bruni Ranch #114 | 8,100 | 47941498 |
| 723877Amendment | Sep 15, 2011 | Sep 15, 2011 | Conocophillips Company | Bruni Ranch #114 | 8,100 | 47941498 |
| 723666 | Sep 15, 2011 | Sep 15, 2011 | SM Energy Company | Briscoe B GU4 State #18HH | 10,000 | 47941485 |
| 723998 | Sep 13, 2011 | Sep 13, 2011 | SM Energy Company | Watson State #1HH | 12,000 | 47941506 |
| 723998Amendment | Sep 13, 2011 | Sep 13, 2011 | SM Energy Company | Watson GU1 State #1HH | 12,000 | 47941506 |
| 723958 | Sep 13, 2011 | Sep 13, 2011 | Rosetta Resources Operating LP | Gates 10 Rose a 571 #4H | 8,500 | 47941505 |
| 723955 | Sep 13, 2011 | Sep 13, 2011 | Rosetta Resources Operating LP | Gates 10 Rose a 571 #3H | 8,500 | 47941504 |
| 723950 | Sep 13, 2011 | Sep 13, 2011 | Rosetta Resources Operating LP | Gates 10 Rose a 571 #2H | 8,500 | 47941503 |
| 723719 | Sep 13, 2011 | Sep 13, 2011 | Escondido Resources II, LLC | Cerrito-Sanchez State Unit SL #20HH | 14,000 | 47941491 |
| 723719Amendment | Sep 13, 2011 | Sep 13, 2011 | Escondido Resources II, LLC | Cerrito-Sanchez Unit #20HH | 14,000 | 47941491 |
| 723659 | Sep 13, 2011 | Sep 13, 2011 | Anadarko E&P Company LP | Worthey Ranch #12HH | 9,525 | 47941501 |
| 723651 | Sep 13, 2011 | Sep 13, 2011 | Anadarko E&P Company LP | Worthey Ranch #11HH | 9,525 | 47941500 |
| 723893 | Sep 12, 2011 | Sep 12, 2011 | SM Energy Company | Galvan Ranch #A336HH | 12,000 | 47941499 |
| 723582 | Sep 12, 2011 | Sep 12, 2011 | Columbus Energy, LLC | A.M. Bruni Estate #3B | 6,700 | 47941490 |
| 723852 | Sep 9, 2011 | Sep 9, 2011 | SM Energy Company | Galvan Ranch #A335 HH | 12,000 | 47941496 |
| 723851 | Sep 9, 2011 | Sep 9, 2011 | Mohican Operating, L.L.C. | Bhe #3 | 9,950 | 47941497 |
| 723850 | Sep 9, 2011 | Sep 9, 2011 | SM Energy Company | Galvan Ranch #A334HH | 12,000 | 47941495 |
| 723782 | Sep 9, 2011 | Sep 9, 2011 | Lewis Petro Properties, Inc. | Daniel Sanchez #3HH | 12,500 | 47941493 |
| 723782Amendment | Sep 9, 2011 | Sep 9, 2011 | Lewis Petro Properties, Inc. | Daniel Sanchez GU B #3HH | 9,000 | 47941493 |
| 723751 | Sep 9, 2011 | Sep 9, 2011 | SM Energy Company | Brask Dumont #1HH | 12,000 | 47941494 |
| 723751Amendment | Sep 9, 2011 | Sep 9, 2011 | SM Energy Company | Brask Dumont #1HH | 12,000 | 47941494 |
| 723751Amendment | Sep 9, 2011 | Sep 9, 2011 | SM Energy Company | Brask Dumont #1HH | 12,000 | 47941494 |
| 723623 | Sep 9, 2011 | Sep 9, 2011 | Lewis Petro Properties, Inc. | Owen Briscoe #26HH | 12,500 | 47941486 |
| 723750 | Sep 8, 2011 | Sep 8, 2011 | Killam Oil Co., Ltd. | Pescadito State 1806 #1 | 3,500 | 47941492 |
| 723513 | Sep 8, 2011 | Sep 8, 2011 | Anadarko E&P Company LP | Worthey Ranch #25HH | 9,525 | 47941489 |
| 723513Amendment | Sep 8, 2011 | Sep 8, 2011 | Anadarko E&P Company LP | Worthey Ranch #25HH | 9,525 | 47941489 |
| 723501 | Sep 8, 2011 | Sep 8, 2011 | Anadarko E&P Company LP | Worthey Ranch #24HH | 9,525 | 47941488 |
| 723501Amendment | Sep 8, 2011 | Sep 8, 2011 | Anadarko E&P Company LP | Worthey Ranch #24HH | 9,525 | 47941488 |
| 723483 | Sep 8, 2011 | Sep 8, 2011 | Anadarko E&P Company LP | Worthey Ranch #23HH | 9,525 | 47941487 |
| 723483Amendment | Sep 8, 2011 | Sep 8, 2011 | Anadarko E&P Company LP | Worthey Ranch #23HH | 9,525 | 47941487 |
| 723192 | Sep 8, 2011 | Sep 8, 2011 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR1 #D 6HH | 9,000 | 47941469 |
| 723192Amendment | Sep 8, 2011 | Sep 8, 2011 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR1 #D 6HH | 9,000 | 47941469 |
| 721279 | Sep 8, 2011 | Sep 8, 2011 | Chroma Operating, Inc. | Russell-Winch #29 | 10,300 | 47941473 |
| 721279Amendment | Sep 8, 2011 | Sep 8, 2011 | Chroma Operating, Inc. | Russell-Winch #29 | 10,300 | 47941473 |
| 721279Amendment | Sep 8, 2011 | Sep 8, 2011 | Chroma Operating, Inc. | Russell-Winch #29 | 10,300 | 47941473 |
| 723532 | Sep 7, 2011 | Sep 7, 2011 | Lewis Petro Properties, Inc. | Martin, R.J. #2HH | 17,000 | 47941481 |
| 723433 | Sep 7, 2011 | Sep 7, 2011 | Anadarko E&P Company LP | Worthey Ranch #16HH | 9,525 | 47941484 |
| 723433Amendment | Sep 7, 2011 | Sep 7, 2011 | Anadarko E&P Company LP | Worthey Ranch #16HH | 9,525 | 47941484 |
| 723423 | Sep 7, 2011 | Sep 7, 2011 | Anadarko E&P Company LP | Worthey Ranch #15HH | 9,525 | 47941483 |
| 723423Amendment | Sep 7, 2011 | Sep 7, 2011 | Anadarko E&P Company LP | Worthey Ranch #15HH | 9,525 | 47941483 |
| 723396 | Sep 7, 2011 | Sep 7, 2011 | Anadarko E&P Company LP | Worthey Ranch #14HH | 9,525 | 47941482 |
| 723396Amendment | Sep 7, 2011 | Sep 7, 2011 | Anadarko E&P Company LP | Worthey Ranch #14HH | 9,525 | 47941482 |
| 723505 | Sep 6, 2011 | Sep 6, 2011 | Lewis Petro Properties, Inc. | Slaughter #2HH | 12,500 | 47941480 |
| 723451 | Sep 6, 2011 | Sep 6, 2011 | Rosetta Resources Operating LP | Gates 10 Rose a 2308 #3H | 8,500 | 47941479 |
| 723444 | Sep 6, 2011 | Sep 6, 2011 | Rosetta Resources Operating LP | Gates 10 Rose a 2308 #2H | 8,500 | 47941478 |
| 723428 | Sep 6, 2011 | Sep 6, 2011 | SM Energy Company | Briscoe G #7HH | 10,000 | 47941475 |
| 723428Amendment | Sep 6, 2011 | Sep 6, 2011 | SM Energy Company | Briscoe G #7HH | 10,000 | 47941475 |
| 723421 | Sep 6, 2011 | Sep 6, 2011 | SM Energy Company | Galvan Ranch #B418HH | 12,000 | 47941477 |
| 723407 | Sep 2, 2011 | Sep 2, 2011 | Rosetta Resources Operating LP | Gates 10 Rose a 2308 #1H | 8,500 | 47941474 |