| 722594Amendment | Sep 7, 2011 | Sep 7, 2011 | Texas International Oper., LLC | Ranger Beall Ranch #11HH | 8,200 | 12734284 |
| 722594Amendment | Sep 7, 2011 | Sep 7, 2011 | Texas International Oper., LLC | Ranger Beall Ranch #11HH | 8,200 | 12734284 |
| 723528 | Sep 6, 2011 | Sep 6, 2011 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #A 5HH | 9,000 | 12734282 |
| 723528Amendment | Sep 6, 2011 | Sep 6, 2011 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #A 5HH | 9,000 | 12734282 |
| 723484 | Sep 6, 2011 | Sep 6, 2011 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #A 6HH | 9,000 | 12734281 |
| 723484Amendment | Sep 6, 2011 | Sep 6, 2011 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #A 6HH | 9,000 | 12734281 |
| 723484Amendment | Sep 6, 2011 | Sep 6, 2011 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #A 6HH | 9,000 | 12734281 |
| 723397 | Sep 6, 2011 | Sep 6, 2011 | Blackbrush O & G, Inc. | San Pedro Ranch #1315HH | 4,000 | 12734279 |
| 723402 | Sep 2, 2011 | Sep 2, 2011 | Chesapeake Operating, Inc. | Arena Roja Dim #F 1HH | 9,000 | 12734280 |
| 723281 | Sep 1, 2011 | Sep 1, 2011 | Chesapeake Operating, Inc. | Sugarland Dim #A 6HH | 9,000 | 12734278 |
| 723260 | Aug 31, 2011 | Aug 31, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch Unit B #13HH | 9,100 | 12734276 |
| 723260Amendment | Aug 31, 2011 | Aug 31, 2011 | Anadarko E&P Onshore LLC | Briscoe Friday Ranch Unit B #13HH | 8,214 | 12734276 |
| 723257 | Aug 31, 2011 | Aug 31, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch Unit B #12HH | 9,100 | 12734274 |
| 723257Amendment | Aug 31, 2011 | Aug 31, 2011 | Anadarko E&P Onshore LLC | Briscoe Friday Ranch Unit B #12HH | 8,266 | 12734274 |
| 723246 | Aug 31, 2011 | Aug 31, 2011 | Bosque Disposal Systems, LLC | Natalie SWD #1 | 4,500 | 12734277 |
| 723245 | Aug 31, 2011 | Aug 31, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch Unit B #11HH | 9,100 | 12734275 |
| 723245Amendment | Aug 31, 2011 | Aug 31, 2011 | Anadarko E&P Onshore LLC | Briscoe Friday Ranch Unit B #11HH | 8,261 | 12734275 |
| 723234 | Aug 31, 2011 | Aug 31, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch Unit B #10HH | 9,100 | 12734273 |
| 723234Amendment | Aug 31, 2011 | Aug 31, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch Unit B #10HH | 8,253 | 12734273 |
| 723043 | Aug 29, 2011 | Aug 29, 2011 | Newfield Exploration Company | Latham-McKnight #2801HH | 6,500 | 12734272 |
| 722963 | Aug 29, 2011 | Aug 29, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #E 2HH | 9,000 | 12734270 |
| 722961 | Aug 26, 2011 | Aug 26, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #E 1HH | 9,000 | 12734269 |
| 722944 | Aug 26, 2011 | Aug 26, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #G 2HH | 9,000 | 12734271 |
| 722609 | Aug 26, 2011 | Aug 26, 2011 | Chesapeake Operating, Inc. | Stumberg State Dim #A 6HH | 9,000 | 12734262 |
| 722609Amendment | Aug 26, 2011 | Aug 26, 2011 | Chesapeake Operating, Inc. | Stumberg State Dim #A 6HH | 9,000 | 12734262 |
| 722609Amendment | Aug 26, 2011 | Aug 26, 2011 | Chesapeake Operating, Inc. | Stumberg State Dim #A 6HH | 9,000 | 12734262 |
| 722593 | Aug 25, 2011 | Aug 25, 2011 | Tiburon Resources, Inc. | Pena Creek SWD #1 | 9,000 | 12734265 |
| 722593Amendment | Aug 25, 2011 | Aug 25, 2011 | Tiburon Resources, Inc. | Pena Creek SWD #1 | 9,000 | 12734265 |
| 722593Amendment | Aug 25, 2011 | Aug 25, 2011 | Tiburon Resources, Inc. | Pena Creek SWD #1 | 9,000 | 12734265 |
| 722738 | Aug 24, 2011 | Aug 24, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro D Unit #F 1HH | 9,000 | 12734268 |
| 722616 | Aug 24, 2011 | Aug 24, 2011 | Chesapeake Operating, Inc. | Stumberg State Dim #A 1HH | 9,000 | 12734263 |
| 722616Amendment | Aug 24, 2011 | Aug 24, 2011 | Chesapeake Operating, Inc. | Stumberg State Dim #A 1HH | 9,000 | 12734263 |
| 722616Amendment | Aug 24, 2011 | Aug 24, 2011 | Chesapeake Operating, Inc. | Stumberg State Dim #A 1HH | 9,000 | 12734263 |
| 721856 | Aug 24, 2011 | Aug 24, 2011 | Chesapeake Operating, Inc. | Faith-Yana #E 1HH | 9,000 | 12734240 |
| 721856Amendment | Aug 24, 2011 | Aug 24, 2011 | Chesapeake Operating, Inc. | Faith-Yana #E 1HH | 9,000 | 12734240 |
| 722696 | Aug 23, 2011 | Aug 23, 2011 | Chesapeake Operating, Inc. | Faith-Yana #H 1HH | 9,000 | 12734267 |
| 722696Amendment | Aug 23, 2011 | Aug 23, 2011 | Chesapeake Operating, Inc. | Faith-Yana #H 1HH | 9,000 | 12734267 |
| 722623 | Aug 22, 2011 | Aug 22, 2011 | Anadarko E&P Company LP | Maund Ranch #4HH | 7,400 | 12734264 |
| 722552 | Aug 19, 2011 | Aug 19, 2011 | Anadarko E&P Company LP | Beinhorn Ranch #15HH | 9,000 | 12734261 |
| 722552Amendment | Aug 19, 2011 | Aug 19, 2011 | Anadarko E&P Onshore LLC | Beinhorn Ranch #15HH | 9,000 | 12734261 |
| 722550 | Aug 19, 2011 | Aug 19, 2011 | Anadarko E&P Company LP | Beinhorn Ranch #14HH | 9,000 | 12734259 |
| 722550Amendment | Aug 19, 2011 | Aug 19, 2011 | Anadarko E&P Onshore LLC | Beinhorn Ranch #14HH | 9,000 | 12734259 |
| 722547 | Aug 19, 2011 | Aug 19, 2011 | Anadarko E&P Company LP | Beinhorn Ranch #13HH | 9,000 | 12734260 |
| 722547Amendment | Aug 19, 2011 | Aug 19, 2011 | Anadarko E&P Onshore LLC | Beinhorn Ranch #13HH | 9,000 | 12734260 |
| 722477 | Aug 19, 2011 | Aug 19, 2011 | Chesapeake Operating, Inc. | Holubar Dim #B 5HH | 9,000 | 12734257 |
| 722477Amendment | Aug 19, 2011 | Aug 19, 2011 | Chesapeake Operating, Inc. | Holubar Dim #B 5HH | 9,000 | 12734257 |
| 722475 | Aug 19, 2011 | Aug 19, 2011 | Chesapeake Operating, Inc. | Holubar Dim #B 3HH | 9,000 | 12734256 |
| 722433 | Aug 19, 2011 | Aug 19, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #B 2HH | 12,000 | 12734258 |
| 722433Amendment | Aug 19, 2011 | Aug 19, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #B 2HH | 12,000 | 12734258 |
| 722052 | Aug 16, 2011 | Aug 16, 2011 | Anadarko E&P Company LP | Rogers Dentonio Ranch #13HH | 7,500 | 12734251 |
| 722052Amendment | Aug 16, 2011 | Aug 16, 2011 | Anadarko E&P Company LP | Rogers Dentonio Ranch #13HH | 7,500 | 12734251 |
| 722052Amendment | Aug 16, 2011 | Aug 16, 2011 | Anadarko E&P Onshore LLC | Rogers Dentonio Ranch #13HH | 7,290 | 12734251 |
| 722130 | Aug 15, 2011 | Aug 15, 2011 | Chesapeake Operating, Inc. | Haning Dim #B 1HH | 9,000 | 12734254 |
| 722086 | Aug 15, 2011 | Aug 15, 2011 | CML Exploration, LLC | Richardson #1H | 7,000 | 12734253 |
| 722086Amendment | Aug 15, 2011 | Aug 15, 2011 | CML Exploration, LLC | Richardson #1H | 7,000 | 12734253 |
| 722059 | Aug 12, 2011 | Aug 12, 2011 | Anadarko E&P Company LP | Rogers Dentonio Ranch #16HH | 7,500 | 12734252 |
| 722059Amendment | Aug 12, 2011 | Aug 12, 2011 | Anadarko E&P Company LP | Rogers Dentonio Ranch #16HH | 7,500 | 12734252 |
| 722059Amendment | Aug 12, 2011 | Aug 12, 2011 | Anadarko E&P Onshore LLC | Rogers Dentonio Ranch #16HH | 7,287 | 12734252 |
| 722021 | Aug 12, 2011 | Aug 12, 2011 | Chesapeake Operating, Inc. | Henrichson Unit E Dim #1HH | 9,000 | 12734250 |
| 722019 | Aug 12, 2011 | Aug 12, 2011 | Anadarko E&P Company LP | Rogers Dentonio Ranch #12HH | 7,500 | 12734249 |
| 722019Amendment | Aug 12, 2011 | Aug 12, 2011 | Anadarko E&P Onshore LLC | Rogers Dentonio Ranch #12HH | 7,296 | 12734249 |
| 721875 | Aug 12, 2011 | Aug 12, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #L 2HH | 12,000 | 12734246 |
| 721873 | Aug 12, 2011 | Aug 12, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #L 1HH | 12,000 | 12734245 |
| 721873Amendment | Aug 12, 2011 | Aug 12, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #L 1HH | 9,000 | 12734245 |
| 721860 | Aug 11, 2011 | Aug 11, 2011 | Chesapeake Operating, Inc. | Faith-Yana #E 2HH | 9,000 | 12734241 |
| 721860Amendment | Aug 11, 2011 | Aug 11, 2011 | Chesapeake Operating, Inc. | Faith-Yana #E 2HH | 9,000 | 12734241 |
| 721860Amendment | Aug 11, 2011 | Aug 11, 2011 | Chesapeake Operating, Inc. | Faith-Yana #E 2HH | 9,000 | 12734241 |
| 721931 | Aug 10, 2011 | Aug 10, 2011 | Chesapeake Operating, Inc. | Arena Roja Dim #A 4HH | 9,000 | 12734248 |
| 721930 | Aug 10, 2011 | Aug 10, 2011 | Chesapeake Operating, Inc. | Arena Roja Dim #A 1HH | 9,000 | 12734247 |
| 721870 | Aug 10, 2011 | Aug 10, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #I 2HH | 9,000 | 12734244 |
| 721870Amendment | Aug 10, 2011 | Aug 10, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #I 2HH | 9,000 | 12734244 |
| 721870Amendment | Aug 10, 2011 | Aug 10, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #I 2HH | 9,000 | 12734244 |
| 721867 | Aug 10, 2011 | Aug 10, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #I 1HH | 9,000 | 12734243 |
| 721544 | Aug 5, 2011 | Aug 5, 2011 | Blackbrush O & G, Inc. | San Pedro Ranch #1215HH | 4,000 | 12734239 |
| 721531 | Aug 5, 2011 | Aug 5, 2011 | Chesapeake Operating, Inc. | Rogers #D 2HH | 9,000 | 12734238 |
| 721468 | Aug 5, 2011 | Aug 5, 2011 | Chesapeake Operating, Inc. | Holubar Dim #A 2HH | 9,000 | 12734236 |
| 721463 | Aug 5, 2011 | Aug 5, 2011 | Chesapeake Operating, Inc. | Faith Bonita a Unit #K 1HH | 9,000 | 12734237 |
| 721463Amendment | Aug 5, 2011 | Aug 5, 2011 | Chesapeake Operating, Inc. | Faith Bonita a Unit #K 1HH | 9,000 | 12734237 |
| 721463Amendment | Aug 5, 2011 | Aug 5, 2011 | Chesapeake Operating, Inc. | Faith Bonita a Unit #K 1HH | 9,000 | 12734237 |
| 721382 | Aug 5, 2011 | Aug 5, 2011 | Anadarko E&P Company LP | Stumberg Ranch #10HH | 8,800 | 12734233 |
| 721382Amendment | Aug 5, 2011 | Aug 5, 2011 | Anadarko E&P Company LP | Stumberg Ranch #10HH | 8,800 | 12734233 |
| 721382Amendment | Aug 5, 2011 | Aug 5, 2011 | Anadarko E&P Onshore LLC | Stumberg Ranch #10HH | 7,714 | 12734233 |
| 721397 | Aug 4, 2011 | Aug 4, 2011 | Anadarko E&P Company LP | Stumberg Ranch #12HH | 8,800 | 12734234 |
| 721397Amendment | Aug 4, 2011 | Aug 4, 2011 | Anadarko E&P Company LP | Stumberg Ranch #12HH | 8,800 | 12734234 |
| 721397Amendment | Aug 4, 2011 | Aug 4, 2011 | Anadarko E&P Onshore LLC | Stumberg Ranch #12HH | 7,701 | 12734234 |
| 721393 | Aug 4, 2011 | Aug 4, 2011 | Anadarko E&P Company LP | Stumberg Ranch #11HH | 8,800 | 12734235 |
| 721393Amendment | Aug 4, 2011 | Aug 4, 2011 | Anadarko E&P Company LP | Stumberg Ranch #11HH | 8,800 | 12734235 |
| 721393Amendment | Aug 4, 2011 | Aug 4, 2011 | Anadarko E&P Onshore LLC | Stumberg Ranch #11HH | 7,726 | 12734235 |
| 721223 | Aug 1, 2011 | Aug 1, 2011 | Chesapeake Operating, Inc. | Jerry Johnston Dim #C 4HH | 9,000 | 12734232 |
| 721081 | Jul 29, 2011 | Jul 29, 2011 | Lewis Petro Properties, Inc. | Cotulla #10HH | 17,000 | 12734227 |
| 721081Amendment | Jul 29, 2011 | Jul 29, 2011 | Lewis Petro Properties, Inc. | Cotulla #10HH | 17,000 | 12734227 |
| 721069 | Jul 29, 2011 | Jul 29, 2011 | Chesapeake Operating, Inc. | Jerry Johnston Dim #C 1HH | 9,000 | 12734225 |
| 721044 | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #43HH | 8,500 | 12734231 |
| 721044Amendment | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #43HH | 8,500 | 12734231 |
| 721044Amendment | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina North #43HH | 7,604 | 12734231 |
| 721041 | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #42HH | 8,500 | 12734230 |
| 721041Amendment | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #42HH | 8,500 | 12734230 |
| 721041Amendment | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina North #42HH | 7,606 | 12734230 |
| 721036 | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #41HH | 8,500 | 12734229 |
| 721036Amendment | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina North #41HH | 7,595 | 12734229 |