| 723857Amendment | Sep 28, 2011 | Sep 28, 2011 | Apache Corporation | TXL South Unit #3410HLH | 6,000 | 13541330 |
| 723857Amendment | Sep 28, 2011 | Sep 28, 2011 | Apache Corporation | TXL South Unit #3410HLH | 6,000 | 13541330 |
| 723857Amendment | Sep 28, 2011 | Sep 28, 2011 | Apache Corporation | TXL South Unit #3410HLH | 6,000 | 13541330 |
| 723161 | Sep 28, 2011 | Sep 28, 2011 | Windsor Permian LLC | Shelley #7 | 10,900 | 13541311 |
| 724655Amendment | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #452 | 6,700 | 13541340 |
| 724796 | Sep 26, 2011 | Sep 26, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals 8 #4 | 9,000 | 13539598 |
| 724795 | Sep 26, 2011 | Sep 26, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals 8 #1 | 9,000 | 13539871 |
| 724655 | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #452 | 6,500 | 13541340 |
| 724654 | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #451 | 6,500 | 13541339 |
| 724654Amendment | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #451 | 6,600 | 13541339 |
| 724653 | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #449 | 6,500 | 13541338 |
| 724649 | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #446 | 6,500 | 13541337 |
| 724643 | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #437 | 6,500 | 13541336 |
| 724643Amendment | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #437 | 6,800 | 13541336 |
| 724615 | Sep 26, 2011 | Sep 26, 2011 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #435 | 6,500 | 13541341 |
| 724561 | Sep 23, 2011 | Sep 23, 2011 | MTN Energy Inc | Saddle Bronc #1 | 4,915 | 13537744 |
| 724044 | Sep 23, 2011 | Sep 23, 2011 | M & J Energy, Inc. | North Goldsmith Gas Unit No. 2 #4C | 4,700 | 13541335 |
| 724606 | Sep 22, 2011 | Sep 22, 2011 | Apache Corporation | Cummins, H. E. #21HH | 6,100 | 13541334 |
| 724606Amendment | Sep 22, 2011 | Sep 22, 2011 | Apache Corporation | Cummins, H. E. #21HH | 6,100 | 13541334 |
| 723073 | Sep 22, 2011 | Sep 22, 2011 | Devon Energy Production Co, L.P. | Mary Ellen #8 | 11,500 | 13541297 |
| 724197 | Sep 21, 2011 | Sep 21, 2011 | Sahara Operating Company | Johnson 31 #1 | 9,400 | 13541332 |
| 722493 | Sep 21, 2011 | Sep 21, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3516E | 11,000 | 13541292 |
| 722483 | Sep 19, 2011 | Sep 19, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3511E | 11,000 | 13541288 |
| 722480 | Sep 19, 2011 | Sep 19, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3510E | 11,000 | 13541287 |
| 724227 | Sep 16, 2011 | Sep 16, 2011 | Devon Energy Production Co, L.P. | Millie 'A' #10 | 10,500 | 13541331 |
| 724066 | Sep 15, 2011 | Sep 15, 2011 | Reliance Energy, Inc. | Ratliff A #1903R | 13,000 | 13541327 |
| 722981 | Sep 15, 2011 | Sep 15, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3912E | 11,000 | 13541304 |
| 724129 | Sep 14, 2011 | Sep 14, 2011 | Apache Corporation | Parker, J. E. #5 | 7,200 | 13541329 |
| 724129Amendment | Sep 14, 2011 | Sep 14, 2011 | Apache Corporation | Parker, J. E. #5 | 7,200 | 13541329 |
| 724083 | Sep 14, 2011 | Sep 14, 2011 | RSP Permian, LLC | Parks Bell #4002 | 12,000 | 13541328 |
| 722486 | Sep 14, 2011 | Sep 14, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3514E | 11,000 | 13541290 |
| 722443 | Sep 14, 2011 | Sep 14, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3502E | 11,000 | 13541281 |
| 723966 | Sep 13, 2011 | Sep 13, 2011 | Turrentine Oil & Gas, Inc. | Foster, H. S. #55 | 4,700 | 13541326 |
| 723965 | Sep 13, 2011 | Sep 13, 2011 | Turrentine Oil & Gas, Inc. | Foster, H. S. #54 | 4,700 | 13541325 |
| 723962 | Sep 13, 2011 | Sep 13, 2011 | Turrentine Oil & Gas, Inc. | Foster, H. S. #48 | 4,700 | 13541324 |
| 723961 | Sep 13, 2011 | Sep 13, 2011 | Turrentine Oil & Gas, Inc. | Foster, H. S. #36 | 4,700 | 13541323 |
| 723119 | Sep 13, 2011 | Sep 13, 2011 | Conocophillips Company | Lebeau #1 | 10,520 | 13541309 |
| 723119Amendment | Sep 13, 2011 | Sep 13, 2011 | Conocophillips Company | Klink Unit #2 | 10,520 | 13541309 |
| 723119Amendment | Sep 13, 2011 | Sep 13, 2011 | Conocophillips Company | Klink Unit #2 | 10,520 | 13541309 |
| 723939 | Sep 12, 2011 | Sep 12, 2011 | Pyote Water Systems II, LLC | Notrees #1R | 8,500 | 13541322 |
| 723879 | Sep 12, 2011 | Sep 12, 2011 | Apache Corporation | TXL South Unit #3408HH | 10,600 | 13541321 |
| 723879Amendment | Sep 12, 2011 | Sep 12, 2011 | Apache Corporation | TXL South Unit #3408HH | 10,600 | 13541321 |
| 723879Amendment | Sep 12, 2011 | Sep 12, 2011 | Apache Corporation | TXL South Unit SL #3411HLH | 6,000 | 13541321 |
| 723610 | Sep 12, 2011 | Sep 12, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals Ltd et Al #4809 | 12,000 | 13540708 |
| 723883 | Sep 9, 2011 | Sep 9, 2011 | Sandridge Expl. and Prod., LLC | Vee Bar 14 #3 | 9,000 | 13541318 |
| 723883Amendment | Sep 9, 2011 | Sep 9, 2011 | Sandridge Expl. and Prod., LLC | Vee Bar 14 #3 | 9,000 | 13541318 |
| 723883Amendment | Sep 9, 2011 | Sep 9, 2011 | Sandridge Expl. and Prod., LLC | Vee Bar 14 #3 | 9,000 | 13541318 |
| 723881 | Sep 9, 2011 | Sep 9, 2011 | Petroplex Energy Inc. | McKenzie, B. W., Estate #4 | 4,500 | 13541319 |
| 723880 | Sep 9, 2011 | Sep 9, 2011 | Petroplex Energy Inc. | McKenzie, B. W., Estate #3 | 4,500 | 13541320 |
| 723816 | Sep 9, 2011 | Sep 9, 2011 | Sandridge Expl. and Prod., LLC | Douglass Parker #4308 | 9,000 | 13540286 |
| 723814 | Sep 9, 2011 | Sep 9, 2011 | Sandridge Expl. and Prod., LLC | Douglass Parker #4305 | 9,000 | 13540285 |
| 723812 | Sep 9, 2011 | Sep 9, 2011 | Sandridge Expl. and Prod., LLC | Douglass Parker #4302 | 12,000 | 13539804 |
| 723737 | Sep 9, 2011 | Sep 9, 2011 | COG Operating LLC | Moss Ranch '44' #14 | 11,500 | 13541317 |
| 723611 | Sep 9, 2011 | Sep 9, 2011 | Sandridge Expl. and Prod., LLC | CVX 1 #2 | 8,000 | 13539588 |
| 723690 | Sep 8, 2011 | Sep 8, 2011 | Apache Corporation | TXL South Unit #3406H | 10,600 | 13541316 |
| 723607 | Sep 8, 2011 | Sep 8, 2011 | Sandridge Expl. and Prod., LLC | CVX 1 #1 | 8,000 | 13539589 |
| 723614 | Sep 7, 2011 | Sep 7, 2011 | Sandridge Expl. and Prod., LLC | CVX 6 #1 | 8,000 | 13539591 |
| 723614Amendment | Sep 7, 2011 | Sep 7, 2011 | Sandridge Expl. and Prod., LLC | CVX 6 #1HH | 8,000 | 13539591 |
| 723606 | Sep 7, 2011 | Sep 7, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals Ltd et Al #4808 | 12,000 | 13538973 |
| 723604 | Sep 7, 2011 | Sep 7, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals Ltd et Al #4806 | 12,000 | 13538975 |
| 723603 | Sep 7, 2011 | Sep 7, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals Ltd et Al #4805 | 12,000 | 13538963 |
| 723601 | Sep 7, 2011 | Sep 7, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals Ltd et Al #4804 | 12,000 | 13538925 |
| 723598 | Sep 7, 2011 | Sep 7, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals Ltd et Al #4803 | 12,000 | 13538926 |
| 723597 | Sep 7, 2011 | Sep 7, 2011 | Sandridge Expl. and Prod., LLC | Parker Minerals Ltd et Al #4801 | 12,000 | 13538778 |
| 723112 | Sep 2, 2011 | Sep 2, 2011 | BC Operating, Inc. | Annabelle #1 | 7,200 | 13541312 |
| 723077 | Sep 2, 2011 | Sep 2, 2011 | BC Operating, Inc. | James #2 | 7,200 | 13541315 |
| 723069 | Sep 2, 2011 | Sep 2, 2011 | BC Operating, Inc. | Isabel #1 | 7,200 | 13541313 |
| 723023 | Sep 1, 2011 | Sep 1, 2011 | BC Operating, Inc. | Elizabeth #3 | 7,200 | 13541314 |
| 722999 | Aug 31, 2011 | Aug 31, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee #3715ER | 11,000 | 13541308 |
| 723002 | Aug 30, 2011 | Aug 30, 2011 | Devon Energy Production Co, L.P. | Ernest T. Bass #12 | 10,300 | 13541293 |
| 723040 | Aug 29, 2011 | Aug 29, 2011 | BC Operating, Inc. | Gideon #3 | 7,200 | 13541294 |
| 723037 | Aug 29, 2011 | Aug 29, 2011 | BC Operating, Inc. | Gideon #4 | 7,200 | 13541310 |
| 720050 | Aug 29, 2011 | Aug 29, 2011 | Probity Operating, LLC | TXL 44-43 #12 | 4,600 | 13541262 |
| 720050Amendment | Aug 29, 2011 | Aug 29, 2011 | Sandridge Expl. and Prod., LLC | TXL 44-43 #12 | 4,600 | 13541262 |
| 720050Amendment | Aug 29, 2011 | Aug 29, 2011 | Sandridge Expl. and Prod., LLC | TXL 44-43 #12 | 6,100 | 13541262 |
| 723014 | Aug 26, 2011 | Aug 26, 2011 | Windsor Permian LLC | WHL #1011 | 10,703 | 13540400 |
| 722490 | Aug 24, 2011 | Aug 24, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3515E | 11,000 | 13541291 |
| 722484 | Aug 24, 2011 | Aug 24, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3512E | 11,000 | 13541289 |
| 722472 | Aug 24, 2011 | Aug 24, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3508E | 11,000 | 13541286 |
| 722470 | Aug 24, 2011 | Aug 24, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee'a' #3507E | 11,000 | 13541285 |
| 722455 | Aug 24, 2011 | Aug 24, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3506E | 11,000 | 13541284 |
| 722454 | Aug 24, 2011 | Aug 24, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3504E | 11,000 | 13541283 |
| 722451 | Aug 24, 2011 | Aug 24, 2011 | Chevron U. S. A. Inc. | Lupin TXL Fee 'A' #3503E | 11,000 | 13541282 |
| 721149 | Aug 23, 2011 | Aug 23, 2011 | Rust Oil Corp. | Parker Ranchland 22 #1 | 13,200 | 13541276 |
| 722565 | Aug 22, 2011 | Aug 22, 2011 | Apache Corporation | TXL North Unit #1025HH | 6,000 | 13541280 |
| 722565Amendment | Aug 22, 2011 | Aug 22, 2011 | Apache Corporation | TXL North Unit #1025HH | 6,300 | 13541280 |
| 722560 | Aug 22, 2011 | Aug 22, 2011 | Apache Corporation | TXL North Unit #1024HH | 6,000 | 13541279 |
| 722366 | Aug 19, 2011 | Aug 19, 2011 | Devon Energy Production Co, L.P. | Tatia #10 | 11,500 | 13541277 |
| 720014 | Aug 18, 2011 | Aug 18, 2011 | Legacy Reserves Operating LP | Chevelle a 48 #6 | 10,800 | 13541259 |
| 720014Amendment | Aug 18, 2011 | Aug 18, 2011 | Legacy Reserves Operating LP | Chevelle a 48 #6 | 10,800 | 13541259 |
| 722287 | Aug 17, 2011 | Aug 17, 2011 | XTO Energy Inc. | Goldsmith San Andres Unit #B057RW | 4,164 | 13502516 |
| 722025 | Aug 15, 2011 | Aug 15, 2011 | Legacy Reserves Operating LP | Shoe Bar Ranch C #1 | 10,920 | 13535998 |
| 722039 | Aug 12, 2011 | Aug 12, 2011 | Legacy Reserves Operating LP | Shoe Bar 'E' #1 | 10,895 | 13536095 |
| 722023 | Aug 12, 2011 | Aug 12, 2011 | Devon Energy Production Co, L.P. | Ernest T. Bass #2 | 10,300 | 13541275 |
| 721999 | Aug 12, 2011 | Aug 12, 2011 | Legacy Reserves Operating LP | Shoe Bar 'D' #1 | 11,000 | 13536070 |
| 721988 | Aug 12, 2011 | Aug 12, 2011 | Legacy Reserves Operating LP | Shoe-Bar Ranch -B- #1 | 9,000 | 13535883 |
| 721347 | Aug 3, 2011 | Aug 3, 2011 | Sandridge Expl. and Prod., LLC | Parker Trust 20 #23 | 9,100 | 13541272 |
| 721346 | Aug 3, 2011 | Aug 3, 2011 | Sandridge Expl. and Prod., LLC | Steakley 44 #11 | 8,999 | 13541273 |
| 721344 | Aug 3, 2011 | Aug 3, 2011 | Sandridge Expl. and Prod., LLC | Steakley 44 #10 | 8,999 | 13541274 |
| 721080 | Aug 2, 2011 | Aug 2, 2011 | Pioneer Natural Res. USA, Inc. | Vaughan-Lenn '36' #1 | 10,700 | 13541270 |