| 717638Amendment | Aug 29, 2011 | Aug 29, 2011 | Three Rivers Operating Co LLC | E. F. King #398 | 6,000 | 00343357 |
| 722957 | Aug 26, 2011 | Aug 26, 2011 | Sandridge Expl. and Prod., LLC | Fuhrman B #16 | 4,900 | 00343343 |
| 722916 | Aug 26, 2011 | Aug 26, 2011 | Windsor Permian LLC | UL 7 #6 | 10,950 | 00341769 |
| 722867 | Aug 26, 2011 | Aug 26, 2011 | Sandridge Expl. and Prod., LLC | Fuhrman B #12 | 4,900 | 00343341 |
| 722674 | Aug 26, 2011 | Aug 26, 2011 | Bopco, L.P. | University 42 #3 | 12,200 | 00343337 |
| 717640 | Aug 26, 2011 | Aug 26, 2011 | Three Rivers Operating Co LLC | E. F. King #399 | 4,650 | 00343346 |
| 717640Amendment | Aug 26, 2011 | Aug 26, 2011 | Three Rivers Operating Co LLC | E. F. King #399 | 4,650 | 00343346 |
| 717640Amendment | Aug 26, 2011 | Aug 26, 2011 | Three Rivers Operating Co LLC | E. F. King #399 | 6,000 | 00343346 |
| 722837 | Aug 25, 2011 | Aug 25, 2011 | Sandridge Expl. and Prod., LLC | Lindley Friemel #11 | 4,900 | 00343340 |
| 722836 | Aug 25, 2011 | Aug 25, 2011 | Sandridge Expl. and Prod., LLC | Lindley Friemel #10 | 4,900 | 00343339 |
| 722611 | Aug 25, 2011 | Aug 25, 2011 | Bridwell Oil Co. | Hancock -A- #2 | 5,000 | 00343336 |
| 722602 | Aug 25, 2011 | Aug 25, 2011 | Bridwell Oil Co. | Hancock -A- #1 | 5,000 | 00343335 |
| 722430 | Aug 25, 2011 | Aug 25, 2011 | Sandridge Expl. and Prod., LLC | Kimberly #2 | 8,600 | 00343338 |
| 722430Amendment | Aug 25, 2011 | Aug 25, 2011 | Sandridge Expl. and Prod., LLC | Kimberly #2 | 8,600 | 00343338 |
| 722430Amendment | Aug 25, 2011 | Aug 25, 2011 | Sandridge Expl. and Prod., LLC | Kimberly Unit #2HH | 8,600 | 00343338 |
| 721553 | Aug 25, 2011 | Aug 25, 2011 | Americo Energy Resources, LLC | Emma Ellen Cons. #A 1PL | 13,000 | 00301734 |
| 722661 | Aug 23, 2011 | Aug 23, 2011 | RSP Permian, LLC | Cross Bar Ranch #2003 | 12,000 | 00343333 |
| 722660 | Aug 23, 2011 | Aug 23, 2011 | RSP Permian, LLC | Cross Bar Ranch #2002 | 12,000 | 00343332 |
| 722659 | Aug 23, 2011 | Aug 23, 2011 | RSP Permian, LLC | Cross Bar Ranch #2904 | 12,000 | 00343334 |
| 722657 | Aug 23, 2011 | Aug 23, 2011 | RSP Permian, LLC | Cross Bar Ranch #2903 | 12,000 | 00343331 |
| 722631 | Aug 23, 2011 | Aug 23, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry Consolidated II #46 | 4,900 | 00343329 |
| 722628 | Aug 23, 2011 | Aug 23, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #54 | 4,900 | 00343328 |
| 722628Amendment | Aug 23, 2011 | Aug 23, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #54 | 4,900 | 00343328 |
| 722563 | Aug 23, 2011 | Aug 23, 2011 | Reliance Energy, Inc. | Mabee 240C #103 | 13,000 | 00343321 |
| 722170 | Aug 23, 2011 | Aug 23, 2011 | Pioneer Natural Res. USA, Inc. | University '7-42' #5 | 12,000 | 00343303 |
| 722169 | Aug 23, 2011 | Aug 23, 2011 | Pioneer Natural Res. USA, Inc. | University '7-42' #4 | 12,000 | 00343302 |
| 722168 | Aug 23, 2011 | Aug 23, 2011 | Pioneer Natural Res. USA, Inc. | University '7-42' #3 | 12,000 | 00343301 |
| 722614 | Aug 22, 2011 | Aug 22, 2011 | OXY USA Inc. | Universitychloe #4 | 12,200 | 00343327 |
| 722575 | Aug 22, 2011 | Aug 22, 2011 | Reliance Energy, Inc. | Mabee 240C #2604 | 13,000 | 00343325 |
| 722570 | Aug 22, 2011 | Aug 22, 2011 | Reliance Energy, Inc. | Mabee 240C #1004 | 13,000 | 00343323 |
| 722567 | Aug 22, 2011 | Aug 22, 2011 | Reliance Energy, Inc. | Mabee 240C #1003 | 13,000 | 00343324 |
| 722566 | Aug 22, 2011 | Aug 22, 2011 | Reliance Energy, Inc. | Mabee 240C #104 | 13,000 | 00343322 |
| 722564 | Aug 22, 2011 | Aug 22, 2011 | Chesapeake Operating, Inc. | University 5-35 #1 | 14,000 | 00343326 |
| 722564Amendment | Aug 22, 2011 | Aug 22, 2011 | Chesapeake Operating, Inc. | University 5-35 #1 | 14,000 | 00343326 |
| 722444 | Aug 22, 2011 | Aug 22, 2011 | Sandridge Expl. and Prod., LLC | Thornberry B #18 | 4,900 | 00343309 |
| 722546 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | University 13-46 #15 | 7,300 | 00343320 |
| 722485 | Aug 19, 2011 | Aug 19, 2011 | W&T Offshore, Inc. | University 6-46 #6 | 12,900 | 00343319 |
| 722469 | Aug 19, 2011 | Aug 19, 2011 | Reliance Energy, Inc. | Mabee 240A #4403 | 13,000 | 00343317 |
| 722466 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Thornberry, M.A. Consolidated I #50 | 4,900 | 00343316 |
| 722460 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | CC Lockhart & Brown B #14 | 4,900 | 00343314 |
| 722457 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Thornberry 7 #14 | 4,900 | 00343313 |
| 722449 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Olsen Brown 2 #11 | 4,900 | 00343310 |
| 722447 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Leona D #3 | 4,900 | 00343312 |
| 722446 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Lockhart #20 | 4,900 | 00343311 |
| 722442 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Thornberry H #10 | 4,900 | 00343308 |
| 722441 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry Est B-BK #18 | 4,900 | 00343307 |
| 722439 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Leona A #8 | 9,000 | 00343306 |
| 722341 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | University Kimberly #3 | 7,300 | 00343318 |
| 722341Amendment | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | University Kimberly #3 | 7,750 | 00343318 |
| 722341Amendment | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Kimberly #3 | 7,750 | 00343318 |
| 722341Amendment | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | Kimberly #3 | 7,750 | 00343318 |
| 722340 | Aug 19, 2011 | Aug 19, 2011 | Sandridge Expl. and Prod., LLC | University 13-45 #6 | 7,300 | 00343299 |
| 722162 | Aug 18, 2011 | Aug 18, 2011 | Pioneer Natural Res. USA, Inc. | University '7-42' #2 | 12,000 | 00343297 |
| 722160 | Aug 18, 2011 | Aug 18, 2011 | Pioneer Natural Res. USA, Inc. | University "7-38" #7 | 11,900 | 00343298 |
| 722160Amendment | Aug 18, 2011 | Aug 18, 2011 | Pioneer Natural Res. USA, Inc. | University '7-38' #7 | 12,050 | 00343298 |
| 721844 | Aug 18, 2011 | Aug 18, 2011 | Samson Lone Star, LLC | University 1-22 #1 | 11,500 | 00343294 |
| 721376 | Aug 18, 2011 | Aug 18, 2011 | Apache Corporation | Andrews Unit #548 | 9,600 | 00343228 |
| 722421 | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | University 13-46 #16 | 7,300 | 00343293 |
| 722342 | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | University 13-41 #1 | 7,300 | 00343300 |
| 722342Amendment | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | University AU #9 | 7,300 | 00343300 |
| 722338 | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | University 13-46 #22 | 7,300 | 00343295 |
| 722337 | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | University 13-46 #20 | 7,300 | 00343292 |
| 722285 | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | University 15 SWD #1 | 14,000 | 00343286 |
| 722285Amendment | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | University 5 SWD #1 | 14,000 | 00343286 |
| 722284 | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | Nix 19 SWD #1 | 14,000 | 00343285 |
| 722283 | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | Ranch 4 SWD #1 | 14,000 | 00343284 |
| 722283Amendment | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | Ranch 4 SWD #1 | 14,000 | 00343284 |
| 722282 | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | Thornberry NWS SWD #1 | 14,000 | 00343283 |
| 722282Amendment | Aug 17, 2011 | Aug 17, 2011 | Sandridge Expl. and Prod., LLC | Thornberry NWS SWD #1 | 14,000 | 00343283 |
| 721835 | Aug 17, 2011 | Aug 17, 2011 | Samson Lone Star, LLC | University 1-25 #1 | 11,500 | 00343287 |
| 721740 | Aug 16, 2011 | Aug 16, 2011 | Midland TMG Inc. | Coopwood C #5 | 4,600 | 00343291 |
| 721740Amendment | Aug 16, 2011 | Aug 16, 2011 | Midland TMG Inc. | Coopwood C #5 | 5,000 | 00343291 |
| 722175 | Aug 15, 2011 | Aug 15, 2011 | Clearfork Operating LLC | Big Max 5 #1 | 11,500 | 00343281 |
| 722174 | Aug 15, 2011 | Aug 15, 2011 | Clearfork Operating LLC | Big Max 4 #1 | 11,500 | 00343280 |
| 722174Amendment | Aug 15, 2011 | Aug 15, 2011 | Clearfork Operating LLC | Big Max 4 #1 | 11,500 | 00343280 |
| 722174Amendment | Aug 15, 2011 | Aug 15, 2011 | Clearfork Production, LLC | Big Max 4 #1 | 11,500 | 00343280 |
| 722128 | Aug 15, 2011 | Aug 15, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-LZS #42 | 4,900 | 00343282 |
| 721971 | Aug 15, 2011 | Aug 15, 2011 | Sandridge Expl. and Prod., LLC | Yeager & Armstrong #9 | 4,900 | 00343270 |
| 719692 | Aug 15, 2011 | Aug 15, 2011 | Chesapeake Operating, Inc. | University 7-25 #5 | 14,000 | 00343136 |
| 719692Amendment | Aug 15, 2011 | Aug 15, 2011 | Chesapeake Operating, Inc. | University 7-25 #5 | 14,000 | 00343136 |
| 722177 | Aug 12, 2011 | Aug 12, 2011 | Clearfork Operating LLC | Big Max 13 #1 | 11,500 | 00343279 |
| 722176 | Aug 12, 2011 | Aug 12, 2011 | Clearfork Operating LLC | Big Max 12 #1 | 11,500 | 00343278 |
| 722176Amendment | Aug 12, 2011 | Aug 12, 2011 | Clearfork Production, LLC | Big Max 12 #1 | 11,500 | 00343278 |
| 722106 | Aug 12, 2011 | Aug 12, 2011 | COG Operating LLC | Lowe, M R 15 #8 | 8,000 | 00343275 |
| 722010 | Aug 12, 2011 | Aug 12, 2011 | Devon Energy Production Co, L.P. | Uls Cdu 5-9 #2HH | 11,500 | 00343274 |
| 722005 | Aug 12, 2011 | Aug 12, 2011 | Sandridge Expl. and Prod., LLC | Limpia 14A #13 | 4,900 | 00343277 |
| 721985 | Aug 12, 2011 | Aug 12, 2011 | Sandridge Expl. and Prod., LLC | South Fuhrman Mascho Unit #8116 | 4,900 | 00343276 |
| 721982 | Aug 12, 2011 | Aug 12, 2011 | Sandridge Expl. and Prod., LLC | Corrigan #24 | 4,900 | 00343273 |
| 721981 | Aug 12, 2011 | Aug 12, 2011 | Sandridge Expl. and Prod., LLC | Kuykendall, J W #20 | 4,900 | 00343272 |
| 721980 | Aug 12, 2011 | Aug 12, 2011 | Sandridge Expl. and Prod., LLC | Ashton, Nora B #14 | 4,900 | 00343271 |
| 721937 | Aug 12, 2011 | Aug 12, 2011 | PDC Energy | Glenna #2161 | 11,900 | 00343266 |
| 721148 | Aug 12, 2011 | Aug 12, 2011 | Sandridge Expl. and Prod., LLC | Olson-Gap #8 | 4,900 | 00343218 |
| 721970 | Aug 11, 2011 | Aug 11, 2011 | Reliance Energy, Inc. | Mabee 240 #3503 | 13,000 | 00343268 |
| 721968 | Aug 11, 2011 | Aug 11, 2011 | Reliance Energy, Inc. | Mabee 240 #3502 | 13,000 | 00343267 |
| 721963 | Aug 10, 2011 | Aug 10, 2011 | Reliance Energy, Inc. | Mabee 240 #2104 | 13,000 | 00343261 |
| 721881 | Aug 10, 2011 | Aug 10, 2011 | Chesapeake Operating, Inc. | University 5-34 #5 | 14,000 | 00343269 |
| 721881Amendment | Aug 10, 2011 | Aug 10, 2011 | Chesapeake Operating, Inc. | University 5-34 #5 | 14,000 | 00343269 |
| 721853 | Aug 10, 2011 | Aug 10, 2011 | Sandridge Expl. and Prod., LLC | Suggett #8 | 4,900 | 00343265 |
| 721849 | Aug 10, 2011 | Aug 10, 2011 | Sandridge Expl. and Prod., LLC | Leona D #7 | 4,900 | 00343264 |
| 721846 | Aug 10, 2011 | Aug 10, 2011 | Sandridge Expl. and Prod., LLC | South Fuhrman Mascho Unit #998 | 4,900 | 00343262 |