| 721035 | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #40HH | 8,500 | 12734228 |
| 721035Amendment | Jul 29, 2011 | Jul 29, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #40HH | 7,700 | 12734228 |
| 721024 | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #39HH | 8,500 | 12734226 |
| 721024Amendment | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #39HH | 7,700 | 12734226 |
| 721018 | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #38HH | 8,500 | 12734224 |
| 721018Amendment | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #38HH | 7,700 | 12734224 |
| 721014 | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #37HH | 8,500 | 12734223 |
| 721014Amendment | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #37HH | 7,600 | 12734223 |
| 721011 | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #36HH | 8,500 | 12734222 |
| 721011Amendment | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #36HH | 7,600 | 12734222 |
| 721004 | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #35HH | 8,500 | 12734221 |
| 721004Amendment | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #35HH | 7,600 | 12734221 |
| 720975 | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Company LP | South Spur Ranch #7HH | 7,650 | 12734216 |
| 720975Amendment | Jul 28, 2011 | Jul 28, 2011 | Anadarko E&P Onshore LLC | South Spur Unit A #2HH | 7,650 | 12734216 |
| 720931 | Jul 27, 2011 | Jul 27, 2011 | CML Exploration, LLC | FGP #1H | 6,600 | 12733606 |
| 720925 | Jul 27, 2011 | Jul 27, 2011 | Chesapeake Operating, Inc. | Henrichson Unit D Dim #2HH | 9,000 | 12734212 |
| 720879 | Jul 27, 2011 | Jul 27, 2011 | Chesapeake Operating, Inc. | Faith Sandy Dim #B 2HH | 9,000 | 12734219 |
| 720879Amendment | Jul 27, 2011 | Jul 27, 2011 | Chesapeake Operating, Inc. | Faith Sandy Dim #B 2HH | 9,000 | 12734219 |
| 720876 | Jul 27, 2011 | Jul 27, 2011 | Chesapeake Operating, Inc. | Faith Sandy Dim #B 1HH | 9,000 | 12734210 |
| 720876Amendment | Jul 27, 2011 | Jul 27, 2011 | Chesapeake Operating, Inc. | Faith Sandy Dim #B 1HH | 9,000 | 12734210 |
| 720469 | Jul 27, 2011 | Jul 27, 2011 | Anadarko E&P Company LP | Rancho Encantado #27HH | 9,200 | 12734218 |
| 720464 | Jul 27, 2011 | Jul 27, 2011 | Anadarko E&P Company LP | Rancho Encantado #26HH | 9,200 | 12734217 |
| 720454 | Jul 27, 2011 | Jul 27, 2011 | Anadarko E&P Company LP | Rancho Encantado #25HH | 9,200 | 12734215 |
| 720443 | Jul 27, 2011 | Jul 27, 2011 | Anadarko E&P Company LP | Rancho Encantado #24HH | 9,200 | 12734214 |
| 720439 | Jul 27, 2011 | Jul 27, 2011 | Anadarko E&P Company LP | Rancho Encantado #23HH | 9,200 | 12734213 |
| 720433 | Jul 27, 2011 | Jul 27, 2011 | Anadarko E&P Company LP | Rancho Encantado #22HH | 9,200 | 12734211 |
| 720882 | Jul 26, 2011 | Jul 26, 2011 | Chesapeake Operating, Inc. | Hatch East Dim #A 1HH | 9,000 | 12734220 |
| 720659 | Jul 25, 2011 | Jul 25, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #31HH | 8,500 | 12734209 |
| 720647 | Jul 25, 2011 | Jul 25, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #30HH | 8,500 | 12734208 |
| 720635 | Jul 25, 2011 | Jul 25, 2011 | Chesapeake Operating, Inc. | Faith-Yana B Unit #C 1HH | 9,000 | 12734207 |
| 720631 | Jul 25, 2011 | Jul 25, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #29HH | 7,500 | 12734206 |
| 720444 | Jul 25, 2011 | Jul 25, 2011 | Chesapeake Operating, Inc. | Pena Creek I Unit a Dim #1HH | 9,000 | 12734203 |
| 720447 | Jul 21, 2011 | Jul 21, 2011 | Anadarko E&P Company LP | La Bandera Ranch #7HH | 7,000 | 12734204 |
| 720447Amendment | Jul 21, 2011 | Jul 21, 2011 | Anadarko E&P Onshore LLC | La Bandera Ranch #7HH | 6,386 | 12734204 |
| 720441 | Jul 21, 2011 | Jul 21, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #L 1HH | 9,000 | 12734205 |
| 720372 | Jul 20, 2011 | Jul 20, 2011 | Chesapeake Operating, Inc. | Faith-Yana a Unit #C 1HH | 9,000 | 12734202 |
| 720369 | Jul 19, 2011 | Jul 19, 2011 | Chesapeake Operating, Inc. | Faith Bonita C Unit #L 1HH | 9,000 | 12734201 |
| 720307 | Jul 18, 2011 | Jul 18, 2011 | Murphy Expl. & Prod. Co. - USA | Briggs #11HH | 8,015 | 12734200 |
| 720290 | Jul 18, 2011 | Jul 18, 2011 | Murphy Expl. & Prod. Co. - USA | Briggs #9HH | 7,908 | 12734199 |
| 720284 | Jul 18, 2011 | Jul 18, 2011 | Murphy Expl. & Prod. Co. - USA | Briggs #10HH | 8,015 | 12734198 |
| 720243 | Jul 15, 2011 | Jul 15, 2011 | Murphy Expl. & Prod. Co. - USA | Briggs #8HH | 7,908 | 12734197 |
| 719968 | Jul 13, 2011 | Jul 13, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch #22HH | 9,000 | 12734196 |
| 719968Amendment | Jul 13, 2011 | Jul 13, 2011 | Anadarko E&P Onshore LLC | Briscoe Friday Ranch #22HH | 8,137 | 12734196 |
| 719965 | Jul 13, 2011 | Jul 13, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch #21HH | 9,000 | 12734195 |
| 719965Amendment | Jul 13, 2011 | Jul 13, 2011 | Anadarko E&P Onshore LLC | Briscoe Friday Ranch #21HH | 8,107 | 12734195 |
| 719963 | Jul 13, 2011 | Jul 13, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch #20HH | 9,000 | 12734194 |
| 719963Amendment | Jul 13, 2011 | Jul 13, 2011 | Anadarko E&P Onshore LLC | Briscoe Friday Ranch #20HH | 8,146 | 12734194 |
| 719959 | Jul 13, 2011 | Jul 13, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch #19HH | 9,000 | 12734193 |
| 719959Amendment | Jul 13, 2011 | Jul 13, 2011 | Anadarko E&P Onshore LLC | Briscoe Friday Ranch #19HH | 8,143 | 12734193 |
| 719881 | Jul 12, 2011 | Jul 12, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #F 2HH | 12,000 | 12734192 |
| 719858 | Jul 12, 2011 | Jul 12, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro a Unit #K 1HH | 12,000 | 12734191 |
| 719788 | Jul 8, 2011 | Jul 8, 2011 | Chesapeake Operating, Inc. | Johnston Enterprises Dim #E 3HH | 9,000 | 12734189 |
| 719785 | Jul 8, 2011 | Jul 8, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #J 2HH | 9,000 | 12734190 |
| 719783 | Jul 8, 2011 | Jul 8, 2011 | Chesapeake Operating, Inc. | Faith-Bonita #J 1HH | 9,000 | 12734188 |
| 719762 | Jul 8, 2011 | Jul 8, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #F 1HH | 12,000 | 12734187 |
| 719598 | Jul 6, 2011 | Jul 6, 2011 | Chesapeake Operating, Inc. | Old River Ranch Dim #A 1HH | 12,000 | 12734186 |
| 719325 | Jun 30, 2011 | Jun 30, 2011 | Anadarko E&P Company LP | Rancho Encantado #21HH | 9,200 | 12734185 |
| 719325Amendment | Jun 30, 2011 | Jun 30, 2011 | Anadarko E&P Company LP | Rancho Encantado #21HH | 9,200 | 12734185 |
| 719325Amendment | Jun 30, 2011 | Jun 30, 2011 | Anadarko E&P Company LP | Rancho Encantado #21HH | 9,200 | 12734185 |
| 719322 | Jun 30, 2011 | Jun 30, 2011 | Anadarko E&P Company LP | Rancho Encantado #20HH | 9,200 | 12734184 |
| 719322Amendment | Jun 30, 2011 | Jun 30, 2011 | Anadarko E&P Company LP | Rancho Encantado #20HH | 9,200 | 12734184 |
| 719308 | Jun 30, 2011 | Jun 30, 2011 | Anadarko E&P Company LP | Rancho Encantado #19HH | 9,200 | 12734183 |
| 719308Amendment | Jun 30, 2011 | Jun 30, 2011 | Anadarko E&P Company LP | Rancho Encantado #19HH | 9,200 | 12734183 |
| 718854 | Jun 30, 2011 | Jun 30, 2011 | Chesapeake Operating, Inc. | Old River Ranch Dim #C 1HH | 12,000 | 12734168 |
| 719293 | Jun 29, 2011 | Jun 29, 2011 | Anadarko E&P Company LP | Rancho Encantado #18HH | 9,200 | 12734182 |
| 719293Amendment | Jun 29, 2011 | Jun 29, 2011 | Anadarko E&P Company LP | Rancho Encantado #18HH | 9,200 | 12734182 |
| 719259 | Jun 28, 2011 | Jun 28, 2011 | Anadarko E&P Company LP | Rancho Encantado #17HH | 9,200 | 12734181 |
| 719187 | Jun 27, 2011 | Jun 27, 2011 | Sabco Operating Company | Sabco Elaine AC #99 | 6,500 | 50732840 |
| 719140 | Jun 27, 2011 | Jun 27, 2011 | Sabco Operating Company | Sabco Elaine AC #101 | 6,500 | 12734179 |
| 719120 | Jun 27, 2011 | Jun 27, 2011 | Chesapeake Operating, Inc. | Faith-San Pedro #K 1HH | 12,000 | 12734178 |
| 718760 | Jun 24, 2011 | Jun 24, 2011 | Zaza Energy, LLC | Cenizo Ranch #B 4HH | 9,000 | 12734177 |
| 718910 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #28HH | 8,500 | 12734176 |
| 718910Amendment | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina North #28HH | 7,572 | 12734176 |
| 718907 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #27HH | 8,500 | 12734175 |
| 718907Amendment | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina North #27HH | 7,581 | 12734175 |
| 718904 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #26HH | 8,500 | 12734174 |
| 718904Amendment | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina North #26HH | 7,486 | 12734174 |
| 718881 | Jun 23, 2011 | Jun 23, 2011 | Newfield Exploration Company | Cmww B #3702HH | 7,500 | 12734173 |
| 718874 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina West #23HH | 8,200 | 12734172 |
| 718874Amendment | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina West #23HH | 8,200 | 12734172 |
| 718874Amendment | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina West #23HH | 7,435 | 12734172 |
| 718873 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina West #22HH | 8,200 | 12734171 |
| 718873Amendment | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina West #22HH | 8,200 | 12734171 |
| 718873Amendment | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina West #22HH | 7,454 | 12734171 |
| 718871 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina West #21HH | 8,200 | 12734170 |
| 718871Amendment | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina West #21HH | 7,494 | 12734170 |
| 718869 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina West #20HH | 8,300 | 12734169 |
| 718867 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina West #19HH | 8,300 | 12734167 |
| 718863 | Jun 23, 2011 | Jun 23, 2011 | Anadarko E&P Company LP | Briscoe Catarina West #18HH | 8,300 | 12734166 |
| 718756 | Jun 22, 2011 | Jun 22, 2011 | Newfield Exploration Company | Cmww A #4404HH | 7,800 | 12734165 |
| 718715 | Jun 22, 2011 | Jun 22, 2011 | Zaza Energy, LLC | Cenizo Ranch #B 3HH | 9,000 | 12734164 |
| 718658 | Jun 21, 2011 | Jun 21, 2011 | Chesapeake Operating, Inc. | NHL #5HH | 9,000 | 12734163 |
| 718595 | Jun 21, 2011 | Jun 21, 2011 | Anadarko E&P Company LP | Rancho Encantado #13HH | 9,250 | 12734162 |
| 718593 | Jun 21, 2011 | Jun 21, 2011 | Anadarko E&P Company LP | Rancho Encantado #12HH | 9,250 | 12734161 |
| 718593Amendment | Jun 21, 2011 | Jun 21, 2011 | Anadarko E&P Onshore LLC | Rancho Encantado #12HH | 8,038 | 12734161 |
| 718554 | Jun 20, 2011 | Jun 20, 2011 | Chesapeake Operating, Inc. | Gonzalez Unit a Dim #1HH | 9,000 | 12734160 |
| 718495 | Jun 17, 2011 | Jun 17, 2011 | Newfield Exploration Company | Cmww B #3701HH | 7,500 | 12734159 |
| 718432 | Jun 17, 2011 | Jun 17, 2011 | Anadarko E&P Company LP | Briscoe Friday Ranch #18HH | 9,000 | 12734158 |
| 718419 | Jun 17, 2011 | Jun 17, 2011 | Anadarko E&P Company LP | Briscoe Catarina North #22HH | 8,600 | 12734157 |
| 718419Amendment | Jun 17, 2011 | Jun 17, 2011 | Anadarko E&P Onshore LLC | Briscoe Catarina North #22HH | 7,651 | 12734157 |