| 728195 | Nov 22, 2011 | Nov 22, 2011 | OXY USA Inc. | Universitycameron #4 | 12,200 | 00343650 |
| 727891 | Nov 22, 2011 | Nov 22, 2011 | PDC Energy | Sarah S #1665 | 11,600 | 00343649 |
| 727891Amendment | Nov 22, 2011 | Nov 22, 2011 | COG Operating LLC | Sarah S #1665 | 12,000 | 00343649 |
| 728523 | Nov 21, 2011 | Nov 21, 2011 | Pioneer Natural Res. USA, Inc. | University '7-9' #2R | 11,900 | 00343668 |
| 728497 | Nov 21, 2011 | Nov 21, 2011 | Pioneer Natural Res. USA, Inc. | University '7-8' #5 | 11,800 | 00343666 |
| 728497Amendment | Nov 21, 2011 | Nov 21, 2011 | Pioneer Natural Res. USA, Inc. | University '7-8' #5 | 11,800 | 00343666 |
| 728351 | Nov 21, 2011 | Nov 21, 2011 | Sandridge Expl. and Prod., LLC | Thornberry J #6 | 4,900 | 00343652 |
| 728347 | Nov 21, 2011 | Nov 21, 2011 | Sandridge Expl. and Prod., LLC | Thornberry B #15 | 4,900 | 00343654 |
| 728268 | Nov 21, 2011 | Nov 21, 2011 | PDC Energy | University Frances #4028 | 11,600 | 00343667 |
| 728104 | Nov 21, 2011 | Nov 21, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry Consolidated III #58 | 4,900 | 00343645 |
| 728052 | Nov 21, 2011 | Nov 21, 2011 | BTA Oil Producers, LLC | 8802 JV-P Furhman -C- #1 | 7,200 | 00336575 |
| 728439 | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '7-6' #7 | 11,850 | 00343660 |
| 728432 | Nov 19, 2011 | Nov 19, 2011 | OXY USA Inc. | Mabee 139 #4617 | 12,500 | 00343659 |
| 728404 | Nov 19, 2011 | Nov 19, 2011 | Sandridge Expl. and Prod., LLC | South Fuhrman Mascho Unit #5117 | 4,900 | 00343657 |
| 728394 | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '7-6' #6 | 11,850 | 00343655 |
| 728132 | Nov 19, 2011 | Nov 19, 2011 | Saber Oil & Gas Ventures, LLC | State University T #7 | 11,500 | 00343656 |
| 728072 | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '6-49' #3 | 11,800 | 00343665 |
| 728071 | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '6-49' #2 | 11,800 | 00343664 |
| 728071Amendment | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '6-49' #2 | 11,800 | 00343664 |
| 728069 | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '6-49' #1 | 11,800 | 00343663 |
| 728069Amendment | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '6-49' #1 | 11,800 | 00343663 |
| 728068 | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '6-18A' #3 | 11,800 | 00343662 |
| 728066 | Nov 19, 2011 | Nov 19, 2011 | Pioneer Natural Res. USA, Inc. | University '6-18A' #2 | 11,800 | 00343661 |
| 728251 | Nov 18, 2011 | Nov 18, 2011 | Exxon Mobil Corporation | J.S. Means A/C4 #356 | 9,900 | 00338431 |
| 728115 | Nov 18, 2011 | Nov 18, 2011 | Exxon Mobil Corporation | J.S. Means a/C 4 #340 | 9,600 | 00334411 |
| 728101 | Nov 16, 2011 | Nov 16, 2011 | Sandridge Expl. and Prod., LLC | Gindorf #8 | 4,900 | 00343637 |
| 728099 | Nov 16, 2011 | Nov 16, 2011 | Sandridge Expl. and Prod., LLC | Corrigan #29 | 4,900 | 00343636 |
| 728098 | Nov 16, 2011 | Nov 16, 2011 | Sandridge Expl. and Prod., LLC | Thornberry -F- #32 | 4,900 | 00343643 |
| 728096 | Nov 16, 2011 | Nov 16, 2011 | Greystone Oil & Gas, LLP | State BM #8HH | 11,100 | 00343642 |
| 728094 | Nov 16, 2011 | Nov 16, 2011 | Sandridge Expl. and Prod., LLC | Thornberry, MA Consolidated II #40 | 4,900 | 00343641 |
| 728092 | Nov 16, 2011 | Nov 16, 2011 | Sandridge Expl. and Prod., LLC | Thornberry E #8 | 4,900 | 00343639 |
| 728090 | Nov 16, 2011 | Nov 16, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry et al Est NWS #14 | 4,900 | 00343638 |
| 727748 | Nov 16, 2011 | Nov 16, 2011 | Sandridge Expl. and Prod., LLC | Anita #31 | 4,900 | 00343635 |
| 726533 | Nov 16, 2011 | Nov 16, 2011 | Pioneer Natural Res. USA, Inc. | University "6-16" #5 | 11,900 | 00343554 |
| 726533Amendment | Nov 16, 2011 | Nov 16, 2011 | Pioneer Natural Res. USA, Inc. | University '6-16' #5 | 11,900 | 00343554 |
| 728063 | Nov 15, 2011 | Nov 15, 2011 | Bulldog Operating Company | Zebco #1 | 8,000 | 00343634 |
| 728063Amendment | Nov 15, 2011 | Nov 15, 2011 | Bulldog Operating Company | Zebco #1 | 8,000 | 00343634 |
| 728008 | Nov 15, 2011 | Nov 15, 2011 | Sandridge Expl. and Prod., LLC | Nora B Ashton #10 | 4,900 | 00343630 |
| 728006 | Nov 15, 2011 | Nov 15, 2011 | Sandridge Expl. and Prod., LLC | Kuykendall, J W #19 | 4,900 | 00343629 |
| 726375 | Nov 15, 2011 | Nov 15, 2011 | OXY USA Inc. | State Ruby Grace #5 | 12,200 | 00343544 |
| 726362 | Nov 15, 2011 | Nov 15, 2011 | OXY USA Inc. | Universityleah #6 | 12,200 | 00343547 |
| 727478 | Nov 14, 2011 | Nov 14, 2011 | Sandridge Expl. and Prod., LLC | WH Bush #24 | 4,900 | 00343633 |
| 727477 | Nov 14, 2011 | Nov 14, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #52 | 4,900 | 00343632 |
| 727925 | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #197 | 7,300 | 00343627 |
| 727925Amendment | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #197 | 8,200 | 00343627 |
| 727918 | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #198 | 7,300 | 00343625 |
| 727918Amendment | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #198 | 8,200 | 00343625 |
| 727851 | Nov 10, 2011 | Nov 10, 2011 | Sandridge Expl. and Prod., LLC | Ranch 3 #2 | 4,900 | 00343618 |
| 727850 | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #193 | 7,300 | 00343617 |
| 727850Amendment | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #193 | 8,600 | 00343617 |
| 727850Amendment | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #193 | 8,600 | 00343617 |
| 727849 | Nov 10, 2011 | Nov 10, 2011 | Sandridge Expl. and Prod., LLC | Fleming 123 #10 | 4,900 | 00343624 |
| 727847 | Nov 10, 2011 | Nov 10, 2011 | Sandridge Expl. and Prod., LLC | Sun #24 | 4,900 | 00343623 |
| 727845 | Nov 10, 2011 | Nov 10, 2011 | Sandridge Expl. and Prod., LLC | Sun #26 | 4,900 | 00343622 |
| 727843 | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #194 | 7,300 | 00343628 |
| 727843Amendment | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #194 | 8,400 | 00343628 |
| 727841 | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #192 | 7,300 | 00343621 |
| 727830 | Nov 10, 2011 | Nov 10, 2011 | Conocophillips Company | University Andrews #191 | 7,300 | 00343620 |
| 727807 | Nov 10, 2011 | Nov 10, 2011 | Exxon Mobil Corporation | J.S. Means a/C 4 #337 | 9,600 | 00333825 |
| 727734 | Nov 10, 2011 | Nov 10, 2011 | Sandridge Expl. and Prod., LLC | Lockhart & Brown A #7 | 4,900 | 00343616 |
| 727734Amendment | Nov 10, 2011 | Nov 10, 2011 | Sheridan Production Company, LLC | Fuhrman B #19 | 4,900 | 00343616 |
| 727734Amendment | Nov 10, 2011 | Nov 10, 2011 | Sheridan Production Company, LLC | Fuhrman B #19 | 4,900 | 00343616 |
| 727732 | Nov 10, 2011 | Nov 10, 2011 | Sandridge Expl. and Prod., LLC | Seidel #29 | 4,900 | 00343615 |
| 727731 | Nov 10, 2011 | Nov 10, 2011 | Sandridge Expl. and Prod., LLC | Seidel #28 | 4,900 | 00343614 |
| 727755 | Nov 9, 2011 | Nov 9, 2011 | Quantum Resources Management,llc | Boner, W. H. -A- #39 | 10,000 | 00343626 |
| 727735 | Nov 9, 2011 | Nov 9, 2011 | Sandridge Expl. and Prod., LLC | Olson-Gap #9 | 4,900 | 00343613 |
| 727655 | Nov 8, 2011 | Nov 8, 2011 | Clearfork Production, LLC | Big Max 11 #1 | 13,500 | 00343612 |
| 727655Amendment | Nov 8, 2011 | Nov 8, 2011 | Clearfork Production, LLC | Big Max 11 #1 | 13,500 | 00343612 |
| 727616 | Nov 8, 2011 | Nov 8, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4522 | 7,999 | 00343611 |
| 725884 | Nov 8, 2011 | Nov 8, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-NWS #58 | 6,300 | 00343507 |
| 725884Amendment | Nov 8, 2011 | Nov 8, 2011 | Sheridan Production Company, LLC | Thornberry-NWS #58 | 6,300 | 00343507 |
| 727608 | Nov 7, 2011 | Nov 7, 2011 | Sandridge Expl. and Prod., LLC | Anita #26 | 4,900 | 00343607 |
| 727531 | Nov 7, 2011 | Nov 7, 2011 | Reliance Energy, Inc. | Mabee 240 #40WS | 1,700 | 00331698 |
| 727513 | Nov 4, 2011 | Nov 4, 2011 | Clearfork Production, LLC | Big Max 1 #1 | 12,500 | 00343606 |
| 727513Amendment | Nov 4, 2011 | Nov 4, 2011 | Clearfork Production, LLC | Big Max 1 #1 | 12,500 | 00343606 |
| 727513Amendment | Nov 4, 2011 | Nov 4, 2011 | Clearfork Production, LLC | Big Max 1 #1 | 12,500 | 00343606 |
| 727306 | Nov 4, 2011 | Nov 4, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4624 | 7,999 | 00343596 |
| 727226 | Nov 4, 2011 | Nov 4, 2011 | Sandridge Expl. and Prod., LLC | Argo #21 | 4,900 | 00343610 |
| 727224 | Nov 4, 2011 | Nov 4, 2011 | Sandridge Expl. and Prod., LLC | Nix F #10 | 4,900 | 00343609 |
| 725675 | Nov 4, 2011 | Nov 4, 2011 | PDC Energy | Mabee Ranch #4066 | 11,900 | 00343501 |
| 725585 | Nov 4, 2011 | Nov 4, 2011 | Greystone Oil & Gas, LLP | University FH #6 | 9,550 | 00343495 |
| 727395 | Nov 3, 2011 | Nov 3, 2011 | Sandridge Expl. and Prod., LLC | M A Thornberry Bustamante #16 | 4,900 | 00343604 |
| 727362 | Nov 3, 2011 | Nov 3, 2011 | Conocophillips Company | University UB #2 | 7,500 | 00343598 |
| 727314 | Nov 3, 2011 | Nov 3, 2011 | Sandridge Expl. and Prod., LLC | Thornberry D #8 | 4,900 | 00343593 |
| 727313 | Nov 3, 2011 | Nov 3, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #65 | 4,900 | 00343594 |
| 727312 | Nov 3, 2011 | Nov 3, 2011 | Sandridge Expl. and Prod., LLC | Thornberry 5 #14 | 4,900 | 00343603 |
| 727311 | Nov 3, 2011 | Nov 3, 2011 | Sandridge Expl. and Prod., LLC | Lindley 16 #6 | 4,900 | 00343602 |
| 727310 | Nov 3, 2011 | Nov 3, 2011 | Sandridge Expl. and Prod., LLC | Ranch 5 #23 | 4,900 | 00343601 |
| 727309 | Nov 3, 2011 | Nov 3, 2011 | Sandridge Expl. and Prod., LLC | University 13-46 #24 | 7,300 | 00343600 |
| 727307 | Nov 3, 2011 | Nov 3, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4625 | 7,999 | 00343597 |
| 727308 | Nov 2, 2011 | Nov 2, 2011 | Sandridge Expl. and Prod., LLC | Nora #7 | 4,999 | 00343599 |
| 727283 | Nov 2, 2011 | Nov 2, 2011 | Sandridge Expl. and Prod., LLC | University 13-39 #1 | 7,300 | 00343595 |
| 727255 | Nov 2, 2011 | Nov 2, 2011 | W&T Offshore, Inc. | University 6-23 #2 | 12,990 | 00343589 |
| 727255Amendment | Nov 2, 2011 | Nov 2, 2011 | W&T Offshore, Inc. | University 6-23 #2 | 12,000 | 00343589 |
| 727254 | Nov 2, 2011 | Nov 2, 2011 | Williams, Clayton Energy, Inc. | Andrews University 33 #14R | 11,500 | 00343591 |
| 727217 | Nov 2, 2011 | Nov 2, 2011 | Devon Energy Production Co, L.P. | Uls AB 4-15 #2 | 11,500 | 00343588 |
| 727215 | Nov 2, 2011 | Nov 2, 2011 | Devon Energy Production Co, L.P. | Uls 4-33 #2 | 11,500 | 00343587 |
| 727189 | Nov 2, 2011 | Nov 2, 2011 | Sandridge Expl. and Prod., LLC | Lockhart #24 | 4,900 | 00343586 |
| 727184 | Nov 2, 2011 | Nov 2, 2011 | Sandridge Expl. and Prod., LLC | Sam #4 | 9,000 | 00343585 |
| 727178 | Nov 2, 2011 | Nov 2, 2011 | Conocophillips Company | University Andrews #175 | 7,300 | 00343584 |