| 718717Amendment | Jun 22, 2011 | Jun 22, 2011 | Pacesetter Energy, LLC | Fisher State 17 #1HH | 9,500 | 00343079 |
| 718717Amendment | Jun 22, 2011 | Jun 22, 2011 | Forge Energy, LLC | Fisher State 17 #1HH | 9,500 | 00343079 |
| 718323 | Jun 22, 2011 | Jun 22, 2011 | Greystone Oil & Gas, LLP | State FK #6 | 13,000 | 00301726 |
| 718676 | Jun 21, 2011 | Jun 21, 2011 | Exxon Mobil Corporation | Means San Andres Unit #4622Z | 6,100 | 00343078 |
| 718651 | Jun 21, 2011 | Jun 21, 2011 | Sandridge Expl. and Prod., LLC | University 11-13 #4 | 7,750 | 00343077 |
| 718651Amendment | Jun 21, 2011 | Jun 21, 2011 | Sandridge Expl. and Prod., LLC | University 11-13 #4 | 7,750 | 00343077 |
| 718633 | Jun 21, 2011 | Jun 21, 2011 | Sandridge Expl. and Prod., LLC | CC Lockhart & Brown #11 | 4,900 | 00343076 |
| 718392 | Jun 21, 2011 | Jun 21, 2011 | COG Operating LLC | Bitler-Lowe Clearfork Unit #38 | 10,800 | 00343075 |
| 718555 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry 'a' LZS #24 | 4,900 | 00343072 |
| 718551 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Bush, WH #21 | 4,900 | 00343073 |
| 718550 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix a LZS #74 | 4,900 | 00343074 |
| 718549 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Stuckert #30 | 4,900 | 00343071 |
| 718546 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Zeismer #5 | 4,900 | 00343070 |
| 718544 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Nix CL #11 | 4,900 | 00343068 |
| 718543 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Nix CL #16 | 4,900 | 00343067 |
| 718542 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Thornberry, MA Consolidation II #49 | 4,900 | 00343069 |
| 718530 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Phillips University T #16 | 9,000 | 00343066 |
| 718521 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | University 11-23 #1 | 8,500 | 00343063 |
| 718511 | Jun 17, 2011 | Jun 17, 2011 | W&T Offshore, Inc. | University 6-34 #6 | 12,990 | 00343062 |
| 718496 | Jun 17, 2011 | Jun 17, 2011 | OXY USA Inc. | Mabee 139 #4707 | 12,500 | 00343064 |
| 718494 | Jun 17, 2011 | Jun 17, 2011 | OXY USA Inc. | Mabee 139 #4703 | 12,500 | 00343061 |
| 718463 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4623 | 7,999 | 00343065 |
| 718462 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Bush, WH #23 | 4,900 | 00343060 |
| 718450 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Argo Knight #18 | 4,900 | 00343059 |
| 718449 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Argo #18 | 4,900 | 00343058 |
| 718448 | Jun 17, 2011 | Jun 17, 2011 | Sandridge Expl. and Prod., LLC | Bush, WH #22 | 4,900 | 00343057 |
| 716918 | Jun 17, 2011 | Jun 17, 2011 | Three Rivers Operating Co LLC | Armstrong, Elizabeth #11 | 9,000 | 00342983 |
| 716918Amendment | Jun 17, 2011 | Jun 17, 2011 | Three Rivers Operating Co LLC | Armstrong, Elizabeth #11 | 9,000 | 00342983 |
| 718374 | Jun 16, 2011 | Jun 16, 2011 | Sandridge Expl. and Prod., LLC | University 11-13 #3 | 7,750 | 00343055 |
| 718370 | Jun 16, 2011 | Jun 16, 2011 | Sandridge Expl. and Prod., LLC | Bush, WH #20 | 4,900 | 00343054 |
| 718365 | Jun 16, 2011 | Jun 16, 2011 | Sandridge Expl. and Prod., LLC | Bush, WH #19 | 4,900 | 00343053 |
| 718362 | Jun 16, 2011 | Jun 16, 2011 | Sandridge Expl. and Prod., LLC | Ehrig, et Al #13 | 5,000 | 00343056 |
| 718103 | Jun 16, 2011 | Jun 16, 2011 | Apache Corporation | Bakke Unit #163 | 9,600 | 00343045 |
| 716574 | Jun 16, 2011 | Jun 16, 2011 | Pioneer Natural Res. USA, Inc. | University "6-45" #5 | 11,700 | 00342966 |
| 716574Amendment | Jun 16, 2011 | Jun 16, 2011 | Pioneer Natural Res. USA, Inc. | University '6-45' #5 | 11,700 | 00342966 |
| 716560 | Jun 16, 2011 | Jun 16, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix A #38 | 7,500 | 00301530 |
| 718251 | Jun 14, 2011 | Jun 14, 2011 | Devon Energy Production Co, L.P. | Uls 8-3 #3 | 11,500 | 00343051 |
| 718251Amendment | Jun 14, 2011 | Jun 14, 2011 | Athlon Energy Operating LLC | University 8-3 #3 | 11,500 | 00343051 |
| 718251Amendment | Jun 14, 2011 | Jun 14, 2011 | Athlon Holdings LP | University 8-3 #3 | 12,005 | 00343051 |
| 718249 | Jun 14, 2011 | Jun 14, 2011 | Devon Energy Production Co, L.P. | Uls 5-39 #4 | 11,400 | 00343050 |
| 718192 | Jun 14, 2011 | Jun 14, 2011 | Apache Corporation | Bakke Unit #159 | 9,600 | 00343049 |
| 718067 | Jun 14, 2011 | Jun 14, 2011 | Apache Corporation | Bakke Unit #160 | 9,600 | 00343048 |
| 718061 | Jun 14, 2011 | Jun 14, 2011 | XTO Energy Inc. | University BLK 9 #2BH | 10,800 | 00305165 |
| 717950 | Jun 14, 2011 | Jun 14, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry Consolidated III #61 | 4,900 | 00343052 |
| 717934 | Jun 14, 2011 | Jun 14, 2011 | Sandridge Expl. and Prod., LLC | Bush-Rasmussen #24 | 4,900 | 00343029 |
| 718105 | Jun 13, 2011 | Jun 13, 2011 | Sandridge Expl. and Prod., LLC | State Shosid #7 | 7,800 | 00343044 |
| 718104 | Jun 13, 2011 | Jun 13, 2011 | Sandridge Expl. and Prod., LLC | State Shosid #6 | 7,800 | 00343042 |
| 718100 | Jun 13, 2011 | Jun 13, 2011 | Fasken Oil and Ranch, Ltd. | Fee Bmng #2 | 5,500 | 00343047 |
| 718062 | Jun 13, 2011 | Jun 13, 2011 | Apache Corporation | Bakke Unit #164 | 9,600 | 00343043 |
| 717982 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | G M Cox #4 | 7,800 | 00343034 |
| 717961 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry 7N #16 | 4,900 | 00343039 |
| 717955 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Kuykendall, J W #13 | 4,900 | 00343040 |
| 717949 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-NWS #51 | 4,900 | 00343037 |
| 717947 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry '4W' #24 | 5,000 | 00343036 |
| 717945 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Lockhart & Brown B #4 | 4,900 | 00343035 |
| 717944 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry '4' #28 | 4,900 | 00343028 |
| 717943 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Lockhart & Brown Fee #10 | 4,900 | 00343033 |
| 717942 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry '4' #22 | 4,900 | 00343027 |
| 717941 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix #186 | 4,900 | 00343032 |
| 717940 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix #184 | 4,900 | 00343031 |
| 717938 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry H #16 | 4,900 | 00343026 |
| 717936 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Bush-Rasmussen #25 | 4,900 | 00343030 |
| 717935 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry -F- #24 | 5,000 | 00343025 |
| 717933 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry K #18 | 4,900 | 00343024 |
| 717932 | Jun 10, 2011 | Jun 10, 2011 | Sandridge Expl. and Prod., LLC | Thornberry L #11 | 4,900 | 00343023 |
| 717675 | Jun 10, 2011 | Jun 10, 2011 | Myco Industries, Inc. | University 8-5 #3 | 13,300 | 00343015 |
| 717871 | Jun 9, 2011 | Jun 9, 2011 | Reliance Energy, Inc. | Mabee 240D #4007 | 13,000 | 00343020 |
| 717869 | Jun 9, 2011 | Jun 9, 2011 | Reliance Energy, Inc. | Mabee 240 #4003 | 13,000 | 00343022 |
| 717844 | Jun 9, 2011 | Jun 9, 2011 | Reliance Energy, Inc. | Mabee 240C #1002 | 13,000 | 00343021 |
| 717839 | Jun 9, 2011 | Jun 9, 2011 | Reliance Energy, Inc. | Mabee 240C #1103 | 13,000 | 00343018 |
| 717832 | Jun 9, 2011 | Jun 9, 2011 | Reliance Energy, Inc. | Mabee 240C #1102 | 13,000 | 00343019 |
| 717249 | Jun 8, 2011 | Jun 8, 2011 | Myco Industries, Inc. | University 8-4 #9 | 13,000 | 00342994 |
| 717469 | Jun 7, 2011 | Jun 7, 2011 | COG Operating LLC | Bitler-Lowe Clearfork Unit #37 | 8,000 | 00343008 |
| 717693 | Jun 6, 2011 | Jun 6, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry Consolidated III #41 | 4,900 | 00343017 |
| 717686 | Jun 6, 2011 | Jun 6, 2011 | Chesapeake Operating, Inc. | University 5-34 #4 | 14,000 | 00343016 |
| 717465 | Jun 6, 2011 | Jun 6, 2011 | COG Operating LLC | Bitler-Lowe -B- #21 | 8,000 | 00343007 |
| 715709 | Jun 6, 2011 | Jun 6, 2011 | OXY USA WTP LP | University -YZ- #7HH | 10,000 | 00342900 |
| 717600 | Jun 3, 2011 | Jun 3, 2011 | OXY USA Inc. | Mabee 140A #4513 | 12,500 | 00343014 |
| 717586 | Jun 3, 2011 | Jun 3, 2011 | OXY USA Inc. | Mabee 140B #4815 | 12,500 | 00343013 |
| 717579 | Jun 3, 2011 | Jun 3, 2011 | OXY USA Inc. | Mabee 140B #4813 | 12,500 | 00343012 |
| 717512 | Jun 3, 2011 | Jun 3, 2011 | PDC Energy | University Frances #4068 | 11,600 | 00343011 |
| 717504 | Jun 3, 2011 | Jun 3, 2011 | Apache Corporation | MT Mitchell #2 | 9,600 | 00343010 |
| 717497 | Jun 3, 2011 | Jun 3, 2011 | OXY USA Inc. | Mabee 140B #4804 | 12,500 | 00343009 |
| 714096 | Jun 3, 2011 | Jun 3, 2011 | Texland Petroleum, L.P. | Logsdon 'C' #55 | 4,900 | 00342828 |
| 717447 | Jun 2, 2011 | Jun 2, 2011 | Windsor Permian LLC | Big Max 23 SE #15 | 11,200 | 00343006 |
| 716941 | Jun 2, 2011 | Jun 2, 2011 | XTO Energy Inc. | University BLK 9 #7AOH | 10,800 | 00302919 |
| 717411 | Jun 1, 2011 | Jun 1, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #62 | 4,900 | 00343005 |
| 717410 | Jun 1, 2011 | Jun 1, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #41 | 4,900 | 00343004 |
| 717409 | Jun 1, 2011 | Jun 1, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #39 | 4,900 | 00343003 |
| 717404 | Jun 1, 2011 | Jun 1, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #44 | 5,100 | 00343002 |
| 717403 | Jun 1, 2011 | Jun 1, 2011 | Chesapeake Operating, Inc. | Mabee W #4 | 12,000 | 00343000 |
| 717402 | Jun 1, 2011 | Jun 1, 2011 | Sandridge Expl. and Prod., LLC | Boyd #10 | 4,900 | 00343001 |
| 717398 | Jun 1, 2011 | Jun 1, 2011 | Sandridge Expl. and Prod., LLC | JT Lindley Lynne #52 | 4,900 | 00342999 |
| 715200 | Jun 1, 2011 | Jun 1, 2011 | Quantum Resources Management,llc | Boner, J. W. -B- #46 | 9,500 | 00342870 |
| 715200Amendment | Jun 1, 2011 | Jun 1, 2011 | Quantum Resources Management,llc | Boner, J. W. -B- #46 | 9,500 | 00342870 |
| 715199 | Jun 1, 2011 | Jun 1, 2011 | Quantum Resources Management,llc | Boner, J. W. -B- #45 | 9,500 | 00342868 |
| 715199Amendment | Jun 1, 2011 | Jun 1, 2011 | Quantum Resources Management,llc | Boner, J. W. -B- #45 | 9,500 | 00342868 |
| 715198 | Jun 1, 2011 | Jun 1, 2011 | Quantum Resources Management,llc | Boner, J. W. -B- #44 | 9,450 | 00342867 |
| 715198Amendment | Jun 1, 2011 | Jun 1, 2011 | Quantum Resources Management,llc | Boner, J. W. -B- #44 | 9,450 | 00342867 |
| 717395 | May 31, 2011 | May 31, 2011 | Sandridge Expl. and Prod., LLC | Anita #32 | 4,900 | 00342998 |