| 692157 | Mar 10, 2010 | Mar 10, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1707 | 4,900 | 00341524 |
| 692156 | Mar 10, 2010 | Mar 10, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1705 | 4,900 | 00341523 |
| 692402 | Mar 9, 2010 | Mar 9, 2010 | Williams, Clayton Energy, Inc. | Samson University "9" #1 | 12,500 | 00341516 |
| 692402Amendment | Mar 9, 2010 | Mar 9, 2010 | Williams, Clayton Energy, Inc. | Samson University "9" #1 | 11,500 | 00341516 |
| 692401 | Mar 9, 2010 | Mar 9, 2010 | Williams, Clayton Energy, Inc. | Samson University "8" #1 | 12,500 | 00341515 |
| 692022 | Mar 9, 2010 | Mar 9, 2010 | OK Arena Operating Company | University 6 #19 | 4,900 | 00341513 |
| 692152 | Mar 8, 2010 | Mar 8, 2010 | XTO Energy Inc. | University Block 9 #2CH | 12,500 | 00305182 |
| 692101 | Mar 5, 2010 | Mar 5, 2010 | Reliance Energy, Inc. | Mabee 240C #1001 | 13,000 | 00341508 |
| 692024 | Mar 5, 2010 | Mar 5, 2010 | OK Arena Operating Company | MA Thornberry et al Est-NWS #10 | 4,900 | 00341514 |
| 692021 | Mar 5, 2010 | Mar 5, 2010 | OK Arena Operating Company | Nix CL #4 | 4,900 | 00341512 |
| 692020 | Mar 5, 2010 | Mar 5, 2010 | OK Arena Operating Company | Thornberry E #6 | 4,900 | 00341511 |
| 691985 | Mar 5, 2010 | Mar 5, 2010 | Fasken Oil and Ranch, Ltd. | Fee "Al" #1 | 11,140 | 00339253 |
| 691954 | Mar 5, 2010 | Mar 5, 2010 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4504 | 9,000 | 00341496 |
| 691686 | Mar 5, 2010 | Mar 5, 2010 | Texland Petroleum, L.P. | Scarborough Unit #1161 | 4,800 | 00341468 |
| 692179 | Mar 4, 2010 | Mar 4, 2010 | Conocophillips Company | Texas University "R" #2 | 8,938 | 00304655 |
| 692177 | Mar 4, 2010 | Mar 4, 2010 | Parallel Petroleum LLC | Cothes #3 | 6,000 | 00341510 |
| 692175 | Mar 4, 2010 | Mar 4, 2010 | Parallel Petroleum LLC | Iverson #3 | 6,000 | 00341509 |
| 692139 | Mar 4, 2010 | Mar 4, 2010 | Sandridge Expl. and Prod., LLC | Phillips University 15-11 #3 | 12,000 | 00339753 |
| 692000 | Mar 3, 2010 | Mar 3, 2010 | Reliance Energy, Inc. | Mabee 239A #2101 | 13,000 | 00341506 |
| 691999 | Mar 3, 2010 | Mar 3, 2010 | Texland Petroleum, L.P. | Logsdon - et al - "D" #6R | 7,200 | 00341502 |
| 691965 | Mar 3, 2010 | Mar 3, 2010 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4503 | 9,000 | 00341497 |
| 691893 | Mar 3, 2010 | Mar 3, 2010 | XTO Energy Inc. | University Block 9 #13AOH | 10,500 | 00339153 |
| 691813 | Mar 3, 2010 | Mar 3, 2010 | OK Arena Operating Company | Lockhart Brown #4 | 4,900 | 00341499 |
| 692003 | Mar 2, 2010 | Mar 2, 2010 | Williams, Clayton Energy, Inc. | Covington "33" #1 | 12,500 | 00341503 |
| 691996 | Mar 2, 2010 | Mar 2, 2010 | Williams, Clayton Energy, Inc. | Foreman "29-32" #1 | 12,500 | 00341501 |
| 691996Amendment | Mar 2, 2010 | Mar 2, 2010 | Williams, Clayton Energy, Inc. | Foreman "29-32" #1 | 11,500 | 00341501 |
| 691993 | Mar 2, 2010 | Mar 2, 2010 | Williams, Clayton Energy, Inc. | Kolb "31-5" #3 | 12,500 | 00341500 |
| 691993Amendment | Mar 2, 2010 | Mar 2, 2010 | Williams, Clayton Energy, Inc. | Kolb "31-5" #3 | 11,500 | 00341500 |
| 691968 | Mar 2, 2010 | Mar 2, 2010 | OK Arena Operating Company | University 47A #13 | 4,900 | 00341498 |
| 691867 | Mar 2, 2010 | Mar 2, 2010 | OK Arena Operating Company | University 47 #10 | 4,900 | 00341504 |
| 691952 | Mar 1, 2010 | Mar 1, 2010 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4501 | 9,000 | 00341494 |
| 691945 | Mar 1, 2010 | Mar 1, 2010 | Texland Petroleum, L.P. | Logsdon, D et Al #37 | 7,200 | 00341493 |
| 691945Amendment | Mar 1, 2010 | Mar 1, 2010 | Texland Petroleum, L.P. | Logsdon, D et Al #37 | 7,500 | 00341493 |
| 691940 | Mar 1, 2010 | Mar 1, 2010 | Parallel Petroleum LLC | Cothes 'A' #1 | 6,000 | 00341492 |
| 691881 | Mar 1, 2010 | Mar 1, 2010 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4601 | 9,000 | 00341491 |
| 691233 | Feb 26, 2010 | Feb 26, 2010 | Henry Resources LLC | Univcarla #3316 | 11,350 | 00341438 |
| 689925 | Feb 26, 2010 | Feb 26, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2109 | 11,200 | 00341398 |
| 689925Amendment | Feb 26, 2010 | Feb 26, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2109 | 11,200 | 00341398 |
| 691832 | Feb 25, 2010 | Feb 25, 2010 | Texland Petroleum, L.P. | Rainey, Donna #14 | 7,200 | 00341489 |
| 691832Amendment | Feb 25, 2010 | Feb 25, 2010 | Texland Petroleum, L.P. | Rainey, Donna #14 | 7,500 | 00341489 |
| 691832Amendment | Feb 25, 2010 | Feb 25, 2010 | Texland Petroleum, L.P. | Rainey, Donna #14 | 7,500 | 00341489 |
| 691689 | Feb 25, 2010 | Feb 25, 2010 | Texland Petroleum, L.P. | Scarborough Unit #1142 | 4,800 | 00341490 |
| 691400 | Feb 25, 2010 | Feb 25, 2010 | OK Arena Operating Company | Bassel et Al #14 | 4,900 | 00341488 |
| 691687 | Feb 24, 2010 | Feb 24, 2010 | Texland Petroleum, L.P. | Logsdon, "D" Etal #36 | 4,800 | 00341470 |
| 691542 | Feb 24, 2010 | Feb 24, 2010 | Encore Operating, L.P. | Gray, Columbus et Al #2223R | 4,750 | 00339617 |
| 691537 | Feb 24, 2010 | Feb 24, 2010 | Encore Operating, L.P. | Gray Columbus, et Al #2225R | 4,760 | 00339618 |
| 691524 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | WH Bush #14 | 4,900 | 00341485 |
| 691521 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | WH Bush #15 | 4,900 | 00341486 |
| 691520 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | WH Bush #11 | 4,900 | 00341484 |
| 691518 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | Bush-Rasmussen #12 | 4,900 | 00341483 |
| 691516 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | Munger Nix #115 | 4,900 | 00341487 |
| 691496 | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1703 | 4,900 | 00341478 |
| 691496Amendment | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1703 | 4,900 | 00341478 |
| 691495 | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #2311 | 4,900 | 00341482 |
| 691495Amendment | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #2311 | 4,900 | 00341482 |
| 691494 | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #2310 | 4,900 | 00341481 |
| 691493 | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1805 | 4,900 | 00341480 |
| 691491 | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1702 | 4,900 | 00341479 |
| 691491Amendment | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1702 | 4,900 | 00341479 |
| 691449 | Feb 24, 2010 | Feb 24, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #2407 | 4,900 | 00341477 |
| 691425 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | Munger Nix #117 | 4,900 | 00341476 |
| 691403 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | University 47 #15 | 4,900 | 00341475 |
| 691402 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | University 47 #14 | 4,900 | 00341473 |
| 691401 | Feb 24, 2010 | Feb 24, 2010 | OK Arena Operating Company | Lockhart & Brown Fee #5 | 4,900 | 00341474 |
| 691710 | Feb 23, 2010 | Feb 23, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #19 | 8,000 | 00341472 |
| 691710Amendment | Feb 23, 2010 | Feb 23, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #19 | 12,000 | 00341472 |
| 691685 | Feb 23, 2010 | Feb 23, 2010 | Sandridge Expl. and Prod., LLC | University I #3201 | 9,000 | 00341469 |
| 691682 | Feb 23, 2010 | Feb 23, 2010 | Texland Petroleum, L.P. | Scarborough Unit #2039 | 7,500 | 00341467 |
| 691678 | Feb 23, 2010 | Feb 23, 2010 | Texland Petroleum, L.P. | Logsdon "C" #54 | 7,200 | 00341471 |
| 691678Amendment | Feb 23, 2010 | Feb 23, 2010 | Texland Petroleum, L.P. | Logsdon "C" #54 | 7,500 | 00341471 |
| 691099 | Feb 23, 2010 | Feb 23, 2010 | OXY USA WTP LP | University -YZ- #1VR | 9,950 | 00300910 |
| 691099Amendment | Feb 23, 2010 | Feb 23, 2010 | OXY USA WTP LP | University -YZ- #1HRH | 9,950 | 00300910 |
| 691598 | Feb 22, 2010 | Feb 22, 2010 | Summit Petroleum LLC | Sarah S #1608 | 11,500 | 00341463 |
| 691587 | Feb 22, 2010 | Feb 22, 2010 | Summit Petroleum LLC | University Ruth #404 | 11,500 | 00341466 |
| 691292 | Feb 22, 2010 | Feb 22, 2010 | OK Arena Operating Company | University 47 #13 | 4,900 | 00341460 |
| 691540 | Feb 19, 2010 | Feb 19, 2010 | Chesapeake Operating, Inc. | University 7-12 #2 | 12,000 | 00341461 |
| 691484 | Feb 19, 2010 | Feb 19, 2010 | Apache Corporation | Andrews Unit #107 | 12,000 | 00341459 |
| 691481 | Feb 19, 2010 | Feb 19, 2010 | Apache Corporation | Andrews Unit #234 | 12,000 | 00341457 |
| 691481Amendment | Feb 19, 2010 | Feb 19, 2010 | Apache Corporation | Andrews Unit #234 | 12,000 | 00341457 |
| 691471 | Feb 19, 2010 | Feb 19, 2010 | Williams, Clayton Energy, Inc. | Orson 27 #1 | 12,500 | 00341456 |
| 691451 | Feb 19, 2010 | Feb 19, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #2308 | 4,900 | 00341455 |
| 691448 | Feb 19, 2010 | Feb 19, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #2406 | 4,900 | 00341454 |
| 691448Amendment | Feb 19, 2010 | Feb 19, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #2406 | 4,900 | 00341454 |
| 691447 | Feb 19, 2010 | Feb 19, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1403 | 4,900 | 00341452 |
| 691446 | Feb 19, 2010 | Feb 19, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1402 | 4,900 | 00341451 |
| 691139 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | EC Nix #3 | 4,900 | 00341453 |
| 691089 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | Nix F #4 | 4,900 | 00341450 |
| 691087 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | Thornberry-NWS #20 | 4,900 | 00341449 |
| 691085 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | Thornberry Consolidated I #28 | 4,900 | 00341448 |
| 691083 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | Thornberry-LZS #9 | 4,900 | 00341447 |
| 691081 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | Miles #15 | 4,900 | 00341446 |
| 691080 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | Miles #14 | 4,900 | 00341445 |
| 691077 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | Nix Fuhrman #3 | 4,900 | 00341444 |
| 691076 | Feb 19, 2010 | Feb 19, 2010 | OK Arena Operating Company | Nix 1A #2 | 4,900 | 00341443 |
| 690363 | Feb 18, 2010 | Feb 18, 2010 | Midland TMG Inc. | Coopwood C #1A | 7,200 | 00341440 |
| 691075 | Feb 17, 2010 | Feb 17, 2010 | Opal Resources Operating Co.,llc | University 6-23 #4 | 12,000 | 00341442 |
| 691064 | Feb 17, 2010 | Feb 17, 2010 | OK Arena Operating Company | Lindley 3 #7 | 4,900 | 00341441 |
| 690691 | Feb 17, 2010 | Feb 17, 2010 | Sandridge Expl. and Prod., LLC | Phillips University T #11 | 8,000 | 00341419 |
| 690691Amendment | Feb 17, 2010 | Feb 17, 2010 | Sandridge Expl. and Prod., LLC | Phillips University T #11 | 12,000 | 00341419 |
| 689558 | Feb 17, 2010 | Feb 17, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2108 | 11,200 | 00341390 |