| 813781 | Feb 10, 2016 | Feb 10, 2016 | Lewis Petro Properties, Inc. | Rosa Benavides 1450 EF #8HH | 12,500 | 47943525 |
| 813780 | Feb 10, 2016 | Feb 10, 2016 | Lewis Petro Properties, Inc. | Rosa Benavides 1450 EF #7HH | 12,500 | 47943524 |
| 813751 | Feb 9, 2016 | Feb 9, 2016 | SN Operating, LLC | Piloncillo #D 28HAH | 20,100 | 47943523 |
| 813645 | Feb 3, 2016 | Feb 3, 2016 | SM Energy Company | Galvan Ranch #C301HH | 12,000 | 47943522 |
| 813485 | Feb 3, 2016 | Feb 3, 2016 | Laredo Energy Operating, LLC | Pinata Gas Unit 1 #1HH | 15,000 | 47943521 |
| 813485Amendment | Feb 3, 2016 | Feb 3, 2016 | Laredo Energy Operating, LLC | Pinata Gas Unit 1 #1HH | 15,000 | 47943521 |
| 813485Amendment | Feb 3, 2016 | Feb 3, 2016 | Lewis Petro Properties, Inc. | Pinata Gas Unit 1 #1HH | 15,000 | 47943521 |
| 813370 | Jan 25, 2016 | Jan 25, 2016 | Chesapeake Operating, L.L.C. | Pge Dos #G 6HH | 12,000 | 47943516 |
| 813369 | Jan 25, 2016 | Jan 25, 2016 | Chesapeake Operating, L.L.C. | Pge Dos #G 5HH | 12,000 | 47943515 |
| 813368 | Jan 25, 2016 | Jan 25, 2016 | Chesapeake Operating, L.L.C. | Pge Dos #G 4HH | 12,000 | 47943517 |
| 813366 | Jan 25, 2016 | Jan 25, 2016 | Chesapeake Operating, L.L.C. | Pge Dos #G 3HH | 12,000 | 47943518 |
| 813363 | Jan 25, 2016 | Jan 25, 2016 | Chesapeake Operating, L.L.C. | Pge Dos #G 2HH | 12,000 | 47943519 |
| 813362 | Jan 25, 2016 | Jan 25, 2016 | Chesapeake Operating, L.L.C. | Pge Dos #G 1HH | 12,000 | 47943520 |
| 813180 | Jan 22, 2016 | Jan 22, 2016 | Lewis Petro Properties, Inc. | Fasken State 1202 #29HH | 9,600 | 47942854 |
| 813122 | Jan 20, 2016 | Jan 20, 2016 | Lewis Petro Properties, Inc. | San Roman 1508 #38HH | 12,500 | 47943514 |
| 813121 | Jan 20, 2016 | Jan 20, 2016 | Lewis Petro Properties, Inc. | San Roman 1508 #37HH | 12,500 | 47943513 |
| 813018 | Jan 20, 2016 | Jan 20, 2016 | Lewis Petro Properties, Inc. | Rosa Benavides 1450 EF #6HH | 12,500 | 47943506 |
| 813076 | Jan 12, 2016 | Jan 12, 2016 | Escondido Resources II, LLC | Spohn Ranch #11HH | 10,500 | 47943512 |
| 813076Amendment | Jan 12, 2016 | Jan 12, 2016 | Escondido Resources II, LLC | Spohn Ranch #11HH | 10,500 | 47943512 |
| 813075 | Jan 12, 2016 | Jan 12, 2016 | Escondido Resources II, LLC | Spohn Ranch #10HH | 10,500 | 47943511 |
| 813075Amendment | Jan 12, 2016 | Jan 12, 2016 | Escondido Resources II, LLC | Spohn Ranch #10HH | 10,500 | 47943511 |
| 812711 | Jan 12, 2016 | Jan 12, 2016 | Lewis Petro Properties, Inc. | Cotulla #67HH | 9,000 | 47942369 |
| 813087 | Jan 8, 2016 | Jan 8, 2016 | Lewis Petro Properties, Inc. | Morgenstern-Fasken State GU #10HH | 12,500 | 47943510 |
| 813042 | Jan 8, 2016 | Jan 8, 2016 | Spri Oil & Gas, LLC | Harper #1 | 6,500 | 47943507 |
| 813017 | Jan 8, 2016 | Jan 8, 2016 | Lewis Petro Properties, Inc. | Rosa Benavides 1450 EF #5HH | 12,500 | 47943505 |
| 813051 | Jan 7, 2016 | Jan 7, 2016 | Lewis Petro Properties, Inc. | Morgenstern-Fasken State GU #11HH | 12,500 | 47943509 |
| 813046 | Jan 7, 2016 | Jan 7, 2016 | Lewis Petro Properties, Inc. | Morgenstern-Fasken State GU #9HH | 12,500 | 47943508 |
| 812769 | Jan 5, 2016 | Jan 5, 2016 | SM Energy Company | Galvan Ranch #B359HH | 12,000 | 47943504 |
| 812881 | Dec 28, 2015 | Dec 28, 2015 | Laredo Energy Operating, LLC | Reuthinger #11HH | 18,500 | 47943503 |
| 812770 | Dec 22, 2015 | Dec 22, 2015 | Lewis Petro Properties, Inc. | San Roman 'A' #35HH | 12,500 | 47943494 |
| 812765 | Dec 21, 2015 | Dec 21, 2015 | SN Operating, LLC | Piloncillo #E 33HZH | 9,500 | 47943502 |
| 812764 | Dec 21, 2015 | Dec 21, 2015 | SN Operating, LLC | Piloncillo #E 33HYH | 9,500 | 47943501 |
| 812763 | Dec 21, 2015 | Dec 21, 2015 | SN Operating, LLC | Piloncillo #E 33HBH | 9,500 | 47943500 |
| 812776 | Dec 18, 2015 | Dec 18, 2015 | SM Energy Company | Galvan Ranch #B860HH | 12,000 | 47943499 |
| 812774 | Dec 18, 2015 | Dec 18, 2015 | SM Energy Company | Galvan Ranch #B360HH | 12,000 | 47943498 |
| 812771 | Dec 18, 2015 | Dec 18, 2015 | SM Energy Company | Galvan Ranch #B859HH | 12,000 | 47943497 |
| 812768 | Dec 18, 2015 | Dec 18, 2015 | SM Energy Company | Galvan Ranch #B858HH | 12,000 | 47943496 |
| 812767 | Dec 18, 2015 | Dec 18, 2015 | SM Energy Company | Galvan Ranch #B358HH | 12,000 | 47943495 |
| 812762 | Dec 17, 2015 | Dec 17, 2015 | SN Operating, LLC | Piloncillo #E 33HAH | 9,500 | 47943493 |
| 812562 | Dec 10, 2015 | Dec 10, 2015 | Laredo Energy Operating, LLC | Retama Ranch #7HH | 14,000 | 47943492 |
| 812558 | Dec 9, 2015 | Dec 9, 2015 | SM Energy Company | Galvan Ranch #B862HH | 12,000 | 47943491 |
| 812557 | Dec 9, 2015 | Dec 9, 2015 | SM Energy Company | Galvan Ranch #B362HH | 12,000 | 47943490 |
| 812556 | Dec 9, 2015 | Dec 9, 2015 | SM Energy Company | Galvan Ranch #B861HH | 12,000 | 47943488 |
| 812556Amendment | Dec 9, 2015 | Dec 9, 2015 | SM Energy Company | Galvan Ranch #B861HH | 12,000 | 47943488 |
| 812555 | Dec 9, 2015 | Dec 9, 2015 | SM Energy Company | Galvan Ranch #B361HH | 12,000 | 47943489 |
| 812555Amendment | Dec 9, 2015 | Dec 9, 2015 | SM Energy Company | Galvan Ranch #B361HH | 12,000 | 47943489 |
| 812280 | Dec 1, 2015 | Dec 1, 2015 | Linn Operating, Inc. | Thomasma, Ray J. 'F' #16 | 10,200 | 47939257 |
| 811872 | Nov 13, 2015 | Nov 13, 2015 | SM Energy Company | Galvan Ranch #C501HH | 12,000 | 47943487 |
| 811871 | Nov 13, 2015 | Nov 13, 2015 | SM Energy Company | Galvan Ranch #C405HH | 12,000 | 47943486 |
| 811819 | Nov 13, 2015 | Nov 13, 2015 | Bluestone Natural Res. II, LLC | Dulaney Bruni #2 | 13,006 | 47938852 |
| 811828 | Nov 10, 2015 | Nov 10, 2015 | SM Energy Company | Briscoe R GU7 State #1413HH | 10,000 | 47943485 |
| 811827 | Nov 10, 2015 | Nov 10, 2015 | SM Energy Company | Briscoe R GU7 State #1403HH | 10,000 | 47943484 |
| 811826 | Nov 10, 2015 | Nov 10, 2015 | SM Energy Company | Briscoe R GU7 State #1393HH | 10,000 | 47943483 |
| 811750 | Nov 10, 2015 | Nov 10, 2015 | SM Energy Company | Briscoe State AR (SA7) #217HH | 12,000 | 47943481 |
| 811652 | Nov 10, 2015 | Nov 10, 2015 | Rosetta Resources Operating LP | Gates 09 Rose B #4028H | 8,999 | 47943479 |
| 811651 | Nov 10, 2015 | Nov 10, 2015 | Rosetta Resources Operating LP | Gates 09 Rose B #3028H | 8,999 | 47943478 |
| 811753 | Nov 9, 2015 | Nov 9, 2015 | SM Energy Company | Briscoe State AR (SA8) #227HH | 12,000 | 47943482 |
| 811749 | Nov 9, 2015 | Nov 9, 2015 | SM Energy Company | Briscoe State AR (SA6) #207HH | 12,000 | 47943480 |
| 811749Amendment | Nov 9, 2015 | Nov 9, 2015 | SM Energy Company | Briscoe State AR (SA6) #207HH | 12,000 | 47943480 |
| 811650 | Nov 6, 2015 | Nov 6, 2015 | Rosetta Resources Operating LP | Gates 09 Rose B #2028H | 8,999 | 47943477 |
| 811622 | Nov 3, 2015 | Nov 3, 2015 | SN Operating, LLC | Piloncillo #F 5HZH | 20,100 | 47943476 |
| 811622Amendment | Nov 3, 2015 | Nov 3, 2015 | SN Operating, LLC | Piloncillo #F 5HZH | 20,100 | 47943476 |
| 811618 | Nov 3, 2015 | Nov 3, 2015 | SN Operating, LLC | Piloncillo #F 5HYH | 20,100 | 47943475 |
| 811618Amendment | Nov 3, 2015 | Nov 3, 2015 | SN Operating, LLC | Piloncillo #F 5HYH | 20,100 | 47943475 |
| 811602 | Nov 2, 2015 | Nov 2, 2015 | SN Operating, LLC | Piloncillo #F 5HBH | 20,100 | 47943474 |
| 811602Amendment | Nov 2, 2015 | Nov 2, 2015 | SN Operating, LLC | Piloncillo #F 5HBH | 20,100 | 47943474 |
| 811596 | Nov 2, 2015 | Nov 2, 2015 | SN Operating, LLC | Piloncillo #F 5HAH | 20,100 | 47943473 |
| 811596Amendment | Nov 2, 2015 | Nov 2, 2015 | SN Operating, LLC | Piloncillo #F 5HAH | 20,100 | 47943473 |
| 811401 | Oct 26, 2015 | Oct 26, 2015 | Lewis Petro Properties, Inc. | Santa Elena #17HH | 9,000 | 47943471 |
| 811075 | Oct 26, 2015 | Oct 26, 2015 | Killam Oil Co., Ltd. | Bruni Mineral 'A' #12 | 9,680 | 47934967 |
| 811391 | Oct 23, 2015 | Oct 23, 2015 | SM Energy Company | Galvan Ranch #A355HH | 12,000 | 47943470 |
| 811390 | Oct 23, 2015 | Oct 23, 2015 | SM Energy Company | Galvan Ranch #A755HH | 12,000 | 47943469 |
| 811389 | Oct 23, 2015 | Oct 23, 2015 | SM Energy Company | Galvan Ranch #A756HH | 12,000 | 47943468 |
| 811274 | Oct 19, 2015 | Oct 19, 2015 | SM Energy Company | Briscoe State AR (SA5) #225HH | 12,000 | 47943467 |
| 811273 | Oct 19, 2015 | Oct 19, 2015 | SM Energy Company | Briscoe State AR (SA4) #215HH | 12,000 | 47943466 |
| 811232 | Oct 16, 2015 | Oct 16, 2015 | Laredo Energy Operating, LLC | Ellen C. #8HH | 13,500 | 47943465 |
| 811232Amendment | Oct 16, 2015 | Oct 16, 2015 | Laredo Energy Operating, LLC | Ellen C. #8HH | 13,500 | 47943465 |
| 811101 | Oct 16, 2015 | Oct 16, 2015 | SM Energy Company | Briscoe R GU6 State #1443HH | 10,000 | 47943464 |
| 811100 | Oct 16, 2015 | Oct 16, 2015 | SM Energy Company | Briscoe R GU6 State #1433HH | 10,000 | 47943463 |
| 811099 | Oct 16, 2015 | Oct 16, 2015 | SM Energy Company | Briscoe R GU6 State #1423HH | 10,000 | 47943462 |
| 810723 | Oct 8, 2015 | Oct 8, 2015 | Swift Energy Operating, LLC | Fasken State #51HH | 11,500 | 47943450 |
| 810719 | Oct 8, 2015 | Oct 8, 2015 | Swift Energy Operating, LLC | Fasken State #50HH | 11,500 | 47943449 |
| 810718 | Oct 8, 2015 | Oct 8, 2015 | Swift Energy Operating, LLC | Fasken State #49HH | 11,500 | 47943448 |
| 810717 | Oct 8, 2015 | Oct 8, 2015 | Swift Energy Operating, LLC | Fasken State #48HH | 11,500 | 47943457 |
| 810884 | Oct 6, 2015 | Oct 6, 2015 | SM Energy Company | Galvan Ranch #A357HH | 12,000 | 47943458 |
| 810883 | Oct 6, 2015 | Oct 6, 2015 | SM Energy Company | Galvan Ranch #A757HH | 12,000 | 47943460 |
| 810882 | Oct 6, 2015 | Oct 6, 2015 | SM Energy Company | Galvan Ranch #A356HH | 12,000 | 47943459 |
| 810792 | Oct 1, 2015 | Oct 1, 2015 | SN Operating, LLC | Piloncillo #E 21HEH | 9,500 | 47943456 |
| 810791 | Sep 30, 2015 | Sep 30, 2015 | SN Operating, LLC | Piloncillo #E 21HDH | 9,500 | 47943455 |
| 810790 | Sep 30, 2015 | Sep 30, 2015 | SN Operating, LLC | Piloncillo #E 21HCH | 9,500 | 47943454 |
| 810788 | Sep 30, 2015 | Sep 30, 2015 | SN Operating, LLC | Piloncillo #E 21HBH | 9,500 | 47943453 |
| 810787 | Sep 30, 2015 | Sep 30, 2015 | SN Operating, LLC | Piloncillo #E 21HAH | 9,500 | 47943452 |
| 810731 | Sep 30, 2015 | Sep 30, 2015 | SN Operating, LLC | Piloncillo #E 22HDH | 9,500 | 47943447 |
| 810728 | Sep 30, 2015 | Sep 30, 2015 | SN Operating, LLC | Piloncillo #E 22HCH | 9,500 | 47943446 |
| 810726 | Sep 30, 2015 | Sep 30, 2015 | SN Operating, LLC | Piloncillo #E 22HBH | 9,500 | 47943445 |
| 810724 | Sep 30, 2015 | Sep 30, 2015 | SN Operating, LLC | Piloncillo #E 22HAH | 9,500 | 47943444 |
| 810675 | Sep 30, 2015 | Sep 30, 2015 | SM Energy Company | Briscoe R GU5 State #1483HH | 12,000 | 47943443 |
| 810675Amendment | Sep 30, 2015 | Sep 30, 2015 | SM Energy Company | Briscoe R GU5 State #1483HH | 12,000 | 47943443 |
| 810673 | Sep 30, 2015 | Sep 30, 2015 | SM Energy Company | Briscoe R GU5 State #1487HH | 12,000 | 47943442 |
| 810673Amendment | Sep 30, 2015 | Sep 30, 2015 | SM Energy Company | Briscoe R GU5 State #1487HH | 12,000 | 47943442 |