| 695346 | May 7, 2010 | May 7, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1715 | 4,900 | 00341661 |
| 695346Amendment | May 7, 2010 | May 7, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1715 | 4,900 | 00341661 |
| 695345 | May 6, 2010 | May 6, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1714 | 4,900 | 00341660 |
| 695345Amendment | May 6, 2010 | May 6, 2010 | Energen Resources Corporation | West Fuhrman Mascho Unit #1714 | 4,900 | 00341660 |
| 695330 | May 6, 2010 | May 6, 2010 | Discovery Operating, Inc. | University 11A #7 | 7,999 | 00341658 |
| 695240 | May 5, 2010 | May 5, 2010 | OK Arena Operating Company | Lyda Miles Gap #6 | 4,900 | 00341659 |
| 695239 | May 5, 2010 | May 5, 2010 | OK Arena Operating Company | South Fuhrman Mascho Unit #898 | 4,900 | 00341654 |
| 695235 | May 5, 2010 | May 5, 2010 | OK Arena Operating Company | Bush-Rasmussen B #14 | 4,900 | 00341655 |
| 694996 | May 5, 2010 | May 5, 2010 | OK Arena Operating Company | JT Lindley Lynne #16 | 4,900 | 00341664 |
| 695382 | May 4, 2010 | May 4, 2010 | Windsor Permian LLC | UL 11 #3 | 10,750 | 00341669 |
| 695381 | May 4, 2010 | May 4, 2010 | Windsor Permian LLC | UL 6 #14 | 10,750 | 00341668 |
| 695354 | May 4, 2010 | May 4, 2010 | EXL Petroleum, LP | State Ruby Grace #1 | 11,500 | 00341667 |
| 695308 | May 3, 2010 | May 3, 2010 | Williams, Clayton Energy, Inc. | Andrews University 10 #5 | 12,000 | 00341657 |
| 695308Amendment | May 3, 2010 | May 3, 2010 | Williams, Clayton Energy, Inc. | Andrews University 10 #5 | 12,000 | 00341657 |
| 695285 | Apr 30, 2010 | Apr 30, 2010 | XTO Energy Inc. | University Block 9 #7BHH | 11,000 | 00338659 |
| 695273 | Apr 30, 2010 | Apr 30, 2010 | EXL Petroleum, LP | Universitycasey #2 | 11,500 | 00341656 |
| 695269 | Apr 30, 2010 | Apr 30, 2010 | OK Arena Operating Company | State of Texas S #2 | 8,350 | 00307081 |
| 695236 | Apr 30, 2010 | Apr 30, 2010 | EXL Petroleum, LP | Universityleah #2 | 11,500 | 00341652 |
| 694643 | Apr 30, 2010 | Apr 30, 2010 | OK Arena Operating Company | Boyd #8 | 4,900 | 00341653 |
| 694638 | Apr 30, 2010 | Apr 30, 2010 | OK Arena Operating Company | South Fuhrman Mascho Unit #598 | 4,900 | 00341634 |
| 695222 | Apr 29, 2010 | Apr 29, 2010 | XTO Energy Inc. | University Block 9 #8A | 12,000 | 00341651 |
| 695179 | Apr 29, 2010 | Apr 29, 2010 | Conocophillips Company | Texas University -TT- #20 | 12,650 | 00304584 |
| 694995 | Apr 29, 2010 | Apr 29, 2010 | OK Arena Operating Company | Thornberry-LZS #10 | 4,900 | 00341647 |
| 694994 | Apr 29, 2010 | Apr 29, 2010 | OK Arena Operating Company | Lockhart #7 | 4,900 | 00341648 |
| 694993 | Apr 29, 2010 | Apr 29, 2010 | OK Arena Operating Company | Thornberry K #8 | 4,900 | 00341646 |
| 695132 | Apr 28, 2010 | Apr 28, 2010 | Southwest Royalties, Inc. | Kuykendall, Swab #4 | 5,000 | 00341645 |
| 695131 | Apr 28, 2010 | Apr 28, 2010 | Southwest Royalties, Inc. | Kuykendall, Swab #3 | 5,000 | 00341644 |
| 693891 | Apr 28, 2010 | Apr 28, 2010 | OK Arena Operating Company | Thornberry Consolidated I #22 | 4,900 | 00341650 |
| 695069 | Apr 27, 2010 | Apr 27, 2010 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #52 | 5,000 | 00341643 |
| 695068 | Apr 27, 2010 | Apr 27, 2010 | Southwest Royalties, Inc. | Kuykendall, J. W., Humble #51 | 5,000 | 00341641 |
| 695067 | Apr 27, 2010 | Apr 27, 2010 | Southwest Royalties, Inc. | Kuykendall, J.W., Humble #50 | 5,000 | 00341642 |
| 694987 | Apr 26, 2010 | Apr 26, 2010 | Reliance Energy, Inc. | Mabee 140B #4803 | 13,000 | 00341639 |
| 694873 | Apr 26, 2010 | Apr 26, 2010 | Reliance Energy, Inc. | Mabee 140A #4401 | 13,000 | 00341640 |
| 694392 | Apr 26, 2010 | Apr 26, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2101 | 11,200 | 00341630 |
| 694392Amendment | Apr 26, 2010 | Apr 26, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2101 | 11,200 | 00341630 |
| 694882 | Apr 23, 2010 | Apr 23, 2010 | Reliance Energy, Inc. | Mabee 140A #4501 | 13,000 | 00341629 |
| 694833 | Apr 23, 2010 | Apr 23, 2010 | Williams, Clayton Energy, Inc. | Andrews University 37 #4 | 12,000 | 00341627 |
| 694833Amendment | Apr 23, 2010 | Apr 23, 2010 | Williams, Clayton Energy, Inc. | Andrews University 37 #4 | 12,000 | 00341627 |
| 694805 | Apr 23, 2010 | Apr 23, 2010 | Chesapeake Operating, Inc. | Mabee E #1 | 14,000 | 00341628 |
| 694645 | Apr 23, 2010 | Apr 23, 2010 | OK Arena Operating Company | Ehrig #7 | 4,900 | 00341638 |
| 694644 | Apr 23, 2010 | Apr 23, 2010 | OK Arena Operating Company | Nora B Ashton #7 | 4,900 | 00341636 |
| 694642 | Apr 23, 2010 | Apr 23, 2010 | OK Arena Operating Company | Nora B Ashton #8 | 4,900 | 00341637 |
| 694640 | Apr 23, 2010 | Apr 23, 2010 | OK Arena Operating Company | JT Lindley Lynne A #3 | 4,900 | 00341635 |
| 694637 | Apr 23, 2010 | Apr 23, 2010 | OK Arena Operating Company | University 13-46 #23 | 4,900 | 00341633 |
| 694412 | Apr 22, 2010 | Apr 22, 2010 | Texland Petroleum, L.P. | Twilight #2 | 4,800 | 00341624 |
| 694396 | Apr 22, 2010 | Apr 22, 2010 | Fasken Oil and Ranch, Ltd. | Fee "BN" #2107 | 11,200 | 00341631 |
| 694396Amendment | Apr 22, 2010 | Apr 22, 2010 | Fasken Oil and Ranch, Ltd. | Fee 'BN' #2107 | 11,200 | 00341631 |
| 694754 | Apr 21, 2010 | Apr 21, 2010 | OK Arena Operating Company | State of Texas R #1 | 7,233 | 00307501 |
| 694390 | Apr 21, 2010 | Apr 21, 2010 | Energen Resources Corporation | Lockhart & Brown 16 #7 | 4,900 | 00341623 |
| 689799 | Apr 21, 2010 | Apr 21, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #18 | 8,000 | 00341391 |
| 689799Amendment | Apr 21, 2010 | Apr 21, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #18 | 8,000 | 00341391 |
| 689799Amendment | Apr 21, 2010 | Apr 21, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #18 | 12,000 | 00341391 |
| 694633 | Apr 20, 2010 | Apr 20, 2010 | OXY USA WTP LP | Dollarhide Unit #3223D | 8,500 | 00341620 |
| 694631 | Apr 20, 2010 | Apr 20, 2010 | OXY USA WTP LP | Dollarhide Unit #3222D | 8,500 | 00341619 |
| 694630 | Apr 20, 2010 | Apr 20, 2010 | OXY USA WTP LP | Dollarhide Unit #3221D | 8,500 | 00341621 |
| 694612 | Apr 19, 2010 | Apr 19, 2010 | OK Arena Operating Company | Hillger #1Y | 3,250 | 00341617 |
| 694235 | Apr 19, 2010 | Apr 19, 2010 | OK Arena Operating Company | Thornberry 5 #9 | 4,900 | 00341618 |
| 694486 | Apr 16, 2010 | Apr 16, 2010 | High Sky Partners LLC | Wildcat #4001 | 11,500 | 00341614 |
| 694486Amendment | Apr 16, 2010 | Apr 16, 2010 | High Sky Partners LLC | Wildcat #4001 | 11,700 | 00341614 |
| 694383 | Apr 16, 2010 | Apr 16, 2010 | Apache Corporation | Bakke Unit #150 | 12,000 | 00341615 |
| 694141 | Apr 16, 2010 | Apr 16, 2010 | OK Arena Operating Company | King B #5 | 4,900 | 00341616 |
| 694397 | Apr 15, 2010 | Apr 15, 2010 | OXY USA WTP LP | University QB #2 | 10,500 | 00341612 |
| 694360 | Apr 15, 2010 | Apr 15, 2010 | Windsor Permian LLC | UL 4 #10 | 10,750 | 00341613 |
| 694144 | Apr 15, 2010 | Apr 15, 2010 | OK Arena Operating Company | King B #4 | 4,900 | 00341611 |
| 694140 | Apr 15, 2010 | Apr 15, 2010 | OK Arena Operating Company | CC Nix Fuhrman B #4 | 4,900 | 00341610 |
| 694139 | Apr 15, 2010 | Apr 15, 2010 | OK Arena Operating Company | South Fuhrman Mascho Unit #8105 | 4,900 | 00341609 |
| 694137 | Apr 15, 2010 | Apr 15, 2010 | OK Arena Operating Company | University 47A #18 | 4,900 | 00341608 |
| 694250 | Apr 13, 2010 | Apr 13, 2010 | Apache Corporation | Shafter Lake (San Andres) Unit #607HH | 9,000 | 00341605 |
| 694106 | Apr 13, 2010 | Apr 13, 2010 | OK Arena Operating Company | University 13-46 #27 | 4,900 | 00341607 |
| 694102 | Apr 13, 2010 | Apr 13, 2010 | OK Arena Operating Company | University 13-46 #17 | 4,900 | 00341606 |
| 694211 | Apr 12, 2010 | Apr 12, 2010 | Williams, Clayton Energy, Inc. | Allbritton #4 | 11,800 | 00341604 |
| 694211Amendment | Apr 12, 2010 | Apr 12, 2010 | Williams, Clayton Energy, Inc. | Allbritton #4 | 11,300 | 00341604 |
| 693900 | Apr 12, 2010 | Apr 12, 2010 | OK Arena Operating Company | Munger Nix a LZS #40 | 4,900 | 00341601 |
| 693899 | Apr 12, 2010 | Apr 12, 2010 | OK Arena Operating Company | Munger Nix a LZS #38 | 4,900 | 00341599 |
| 693898 | Apr 12, 2010 | Apr 12, 2010 | OK Arena Operating Company | Munger Nix a LZS #39 | 4,900 | 00341600 |
| 693892 | Apr 12, 2010 | Apr 12, 2010 | OK Arena Operating Company | Munger Nix a LZS #33 | 4,900 | 00341598 |
| 694136 | Apr 9, 2010 | Apr 9, 2010 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4505 | 9,000 | 00341597 |
| 694136Amendment | Apr 9, 2010 | Apr 9, 2010 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4505 | 9,000 | 00341597 |
| 693897 | Apr 9, 2010 | Apr 9, 2010 | OK Arena Operating Company | Munger Nix #111 | 4,900 | 00341603 |
| 693896 | Apr 9, 2010 | Apr 9, 2010 | OK Arena Operating Company | Munger Nix #116 | 4,900 | 00341602 |
| 693889 | Apr 9, 2010 | Apr 9, 2010 | OK Arena Operating Company | MA Thornberry Consolidated II #27 | 4,900 | 00341596 |
| 694007 | Apr 8, 2010 | Apr 8, 2010 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4602 | 12,000 | 00341591 |
| 693806 | Apr 8, 2010 | Apr 8, 2010 | Pioneer Natural Res. USA, Inc. | University "6-45" #2 | 11,500 | 00341595 |
| 693806Amendment | Apr 8, 2010 | Apr 8, 2010 | Pioneer Natural Res. USA, Inc. | University "6-45" #2 | 11,500 | 00341595 |
| 693800 | Apr 8, 2010 | Apr 8, 2010 | Pioneer Natural Res. USA, Inc. | University "6-39" #2 | 11,500 | 00341594 |
| 693619 | Apr 8, 2010 | Apr 8, 2010 | Henry Resources LLC | BOHANNON24 #3 | 11,000 | 00341590 |
| 693619Amendment | Apr 8, 2010 | Apr 8, 2010 | Henry Resources LLC | BOHANNON24 #3 | 11,000 | 00341590 |
| 693619Amendment | Apr 8, 2010 | Apr 8, 2010 | Henry Resources LLC | BOHANNON24 #3 | 11,000 | 00341590 |
| 693998 | Apr 7, 2010 | Apr 7, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #20 | 12,000 | 00341589 |
| 693998Amendment | Apr 7, 2010 | Apr 7, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #20 | 12,000 | 00341589 |
| 693996 | Apr 7, 2010 | Apr 7, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #21 | 8,000 | 00341588 |
| 693996Amendment | Apr 7, 2010 | Apr 7, 2010 | Sandridge Expl. and Prod., LLC | Phillips University P #21 | 12,000 | 00341588 |
| 693859 | Apr 7, 2010 | Apr 7, 2010 | Greystone Oil & Gas, LLP | University 'AZ' #1 | 4,700 | 00341587 |
| 693859Amendment | Apr 7, 2010 | Apr 7, 2010 | Greystone Oil & Gas, LLP | University "AZ" #1 | 4,700 | 00341587 |
| 693500 | Apr 7, 2010 | Apr 7, 2010 | OK Arena Operating Company | Knight Watson #7 | 4,900 | 00341586 |
| 691482 | Apr 7, 2010 | Apr 7, 2010 | Apache Corporation | Andrews Unit #543 | 12,000 | 00341458 |
| 693679 | Apr 6, 2010 | Apr 6, 2010 | Pioneer Natural Res. USA, Inc. | University "7-33" #4 | 11,500 | 00341585 |
| 693673 | Apr 6, 2010 | Apr 6, 2010 | Pioneer Natural Res. USA, Inc. | University "7-33" #3 | 11,500 | 00341584 |
| 693520 | Apr 6, 2010 | Apr 6, 2010 | Opal Resources Operating Co.,llc | University 6-34 #2 | 12,000 | 00341572 |
| 692346 | Apr 6, 2010 | Apr 6, 2010 | Energen Resources Corporation | University "14-A" #9 | 8,200 | 00340172 |