| 698528 | Jul 7, 2010 | Jul 7, 2010 | Devon Energy Production Co, L.P. | Dunn, Clara Lyles #17HH12134033 | 9,000 |
| 698527 | Jul 7, 2010 | Jul 7, 2010 | Devon Energy Production Co, L.P. | Dunn, Clara Lyles #16HH12134032 | 9,000 |
| 698526 | Jul 7, 2010 | Jul 7, 2010 | Devon Energy Production Co, L.P. | Dunn, Clara Lyles #15HH12134031 | 9,000 |
| 698524 | Jul 7, 2010 | Jul 7, 2010 | Devon Energy Production Co, L.P. | Dunn, Clara Lyles #13HH12134030 | 9,000 |
| 698524Amendment | Jul 7, 2010 | Jul 7, 2010 | Devon Energy Production Co, L.P. | Dunn, Clara Lyles #13HH12134030 | 9,000 |
| 698522 | Jul 7, 2010 | Jul 7, 2010 | Devon Energy Production Co, L.P. | Dunn, Clara Lyles #12HH12134029 | 9,000 |
| 698520 | Jul 7, 2010 | Jul 7, 2010 | Devon Energy Production Co, L.P. | Dunn, Clara Lyles #11HH12134028 | 9,000 |
| 696944 | Jul 2, 2010 | Jul 2, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C East #5HH12133999 | 8,425 |
| 696944Amendment | Jul 2, 2010 | Jul 2, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C East #5HH12133999 | 8,425 |
| 697361 | Jun 15, 2010 | Jun 15, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith a West #13HH12134023 | 8,500 |
| 697361Amendment | Jun 15, 2010 | Jun 15, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith a West #13HH12134023 | 8,500 |
| 697327 | Jun 15, 2010 | Jun 15, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith a West #12HH12134022 | 8,500 |
| 697327Amendment | Jun 15, 2010 | Jun 15, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith a West #12HH12134022 | 8,500 |
| 697327Amendment | Jun 15, 2010 | Jun 15, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith a West #12HH12134022 | 8,500 |
| 697492 | Jun 14, 2010 | Jun 14, 2010 | Williams Prod. Gulf Coast, L.P. | Cross Timbers #5HH12134025 | 8,700 |
| 697173 | Jun 14, 2010 | Jun 14, 2010 | Devon Energy Production Co, L.P. | Taylor-Dooley (SA) #3HH12134020 | 9,000 |
| 697159 | Jun 14, 2010 | Jun 14, 2010 | Devon Energy Production Co, L.P. | Taylor-Dooley (SA) #2HH12134019 | 9,000 |
| 697145 | Jun 14, 2010 | Jun 14, 2010 | Devon Energy Production Co, L.P. | Taylor-Dooley (SA) #1HH12134018 | 9,000 |
| 697491 | Jun 11, 2010 | Jun 11, 2010 | Williams Prod. Gulf Coast, L.P. | Cross Timbers #4HH12134024 | 8,700 |
| 697321 | Jun 11, 2010 | Jun 11, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith a West #11HH12134021 | 8,500 |
| 697158 | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #7HH12134016 | 9,000 |
| 697158Amendment | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #7HH12134016 | 9,000 |
| 697149 | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #6HH12134015 | 9,000 |
| 697149Amendment | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #6HH12134015 | 9,000 |
| 697139 | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #5HH12134014 | 9,000 |
| 697139Amendment | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #5HH12134014 | 9,000 |
| 697136 | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #4HH12134013 | 9,000 |
| 697136Amendment | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #4HH12134013 | 9,000 |
| 697133 | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #3HH12134012 | 9,000 |
| 697133Amendment | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #3HH12134012 | 9,000 |
| 697125 | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #2HH12134011 | 9,000 |
| 697125Amendment | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #2HH12134011 | 9,000 |
| 697121 | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #1HH12134010 | 9,000 |
| 697121Amendment | Jun 8, 2010 | Jun 8, 2010 | Quicksilver Resources Inc. | Alliance West Speedway #1HH12134010 | 9,000 |
| 696996 | Jun 8, 2010 | Jun 8, 2010 | Williams Prod. Gulf Coast, L.P. | Cummings C East #13HH12134007 | 8,500 |
| 696991 | Jun 8, 2010 | Jun 8, 2010 | Williams Prod. Gulf Coast, L.P. | Cummings C East #12HH12134006 | 8,500 |
| 696991Amendment | Jun 8, 2010 | Jun 8, 2010 | Williams Prod. Gulf Coast, L.P. | Cummings C East #12HH12134006 | 8,500 |
| 696986 | Jun 8, 2010 | Jun 8, 2010 | Williams Prod. Gulf Coast, L.P. | Cummings C East #11HH12134005 | 8,500 |
| 696981 | Jun 8, 2010 | Jun 8, 2010 | Williams Prod. Gulf Coast, L.P. | Cummings C East #10HH12134004 | 8,500 |
| 697063 | Jun 7, 2010 | Jun 7, 2010 | Red Oak Gas Operating Company LP | Brewer North Unit #2HH12134009 | 8,800 |
| 697062 | Jun 7, 2010 | Jun 7, 2010 | Red Oak Gas Operating Company LP | Brewer South Unit #1HH12134008 | 8,800 |
| 696978 | Jun 7, 2010 | Jun 7, 2010 | Williams Prod. Gulf Coast, L.P. | Cummings C East #9HH12134003 | 8,500 |
| 696978Amendment | Jun 7, 2010 | Jun 7, 2010 | Williams Prod. Gulf Coast, L.P. | Cummings C East #9HH12134003 | 8,500 |
| 696956 | Jun 4, 2010 | Jun 4, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C East #8HH12134002 | 8,425 |
| 696956Amendment | Jun 4, 2010 | Jun 4, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C East #8HH12134002 | 8,425 |
| 696955 | Jun 3, 2010 | Jun 3, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C East #7HH12134001 | 8,425 |
| 696955Amendment | Jun 3, 2010 | Jun 3, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C East #7HH12134001 | 8,425 |
| 696954 | Jun 3, 2010 | Jun 3, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C East #6HH12134000 | 8,425 |
| 696954Amendment | Jun 3, 2010 | Jun 3, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C East #6HH12134000 | 8,425 |
| 696872 | Jun 2, 2010 | Jun 2, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C West #4HH12133998 | 8,425 |
| 696864 | Jun 2, 2010 | Jun 2, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C West #3HH12133997 | 8,425 |
| 696850 | Jun 2, 2010 | Jun 2, 2010 | Hillwood O & G Operating Co LP | Denton Salmon Unit #D 1HH12133996 | 12,000 |
| 696846 | Jun 2, 2010 | Jun 2, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C West #2HH12133995 | 8,425 |
| 696843 | Jun 2, 2010 | Jun 2, 2010 | Williams Prod. Gulf Coast, L.P. | Dr. Bob Smith C West #1HH12133994 | 8,425 |
| 696836 | Jun 2, 2010 | Jun 2, 2010 | Hillwood O & G Operating Co LP | Denton Salmon Unit #D 2HH12133993 | 12,000 |
| 696828 | Jun 1, 2010 | Jun 1, 2010 | Hillwood O & G Operating Co LP | Denton Salmon Unit #D 3HH12133992 | 12,000 |
| 696825 | Jun 1, 2010 | Jun 1, 2010 | Hillwood O & G Operating Co LP | Denton Salmon Unit #D 4HH12133991 | 12,000 |
| 696485 | May 25, 2010 | May 25, 2010 | Williams Prod. Gulf Coast, L.P. | Casner #8HH12133990 | 8,500 |
| 696485Amendment | May 25, 2010 | May 25, 2010 | Williams Prod. Gulf Coast, L.P. | Casner #8HH12133990 | 8,500 |
| 696484 | May 25, 2010 | May 25, 2010 | Williams Prod. Gulf Coast, L.P. | Casner #7HH12133989 | 8,500 |
| 696484Amendment | May 25, 2010 | May 25, 2010 | Williams Prod. Gulf Coast, L.P. | Casner #7HH12133989 | 8,500 |
| 696482 | May 25, 2010 | May 25, 2010 | Williams Prod. Gulf Coast, L.P. | Casner #6HH12133988 | 8,500 |
| 696482Amendment | May 25, 2010 | May 25, 2010 | Williams Prod. Gulf Coast, L.P. | Casner #6HH12133988 | 8,500 |
| 696481 | May 25, 2010 | May 25, 2010 | Williams Prod. Gulf Coast, L.P. | Casner #5HH12133987 | 8,500 |
| 696481Amendment | May 25, 2010 | May 25, 2010 | Williams Prod. Gulf Coast, L.P. | Casner #5HH12133987 | 8,500 |
| 696452 | May 24, 2010 | May 24, 2010 | Hillwood O & G Operating Co LP | Denton Salmon Unit #D 5HH12133986 | 12,000 |
| 696337 | May 21, 2010 | May 21, 2010 | Williams Prod. Gulf Coast, L.P. | Cross Timbers #3HH12133985 | 8,500 |
| 696335 | May 21, 2010 | May 21, 2010 | Williams Prod. Gulf Coast, L.P. | Cross Timbers #2HH12133984 | 8,500 |
| 696293 | May 21, 2010 | May 21, 2010 | Hillwood O & G Operating Co LP | Whitehead Hall Unit #2HH12133983 | 12,000 |
| 696291 | May 21, 2010 | May 21, 2010 | Hillwood O & G Operating Co LP | Whitehead Hall Unit #1HH12133982 | 12,000 |
| 696214 | May 20, 2010 | May 20, 2010 | Williams Prod. Gulf Coast, L.P. | Cross Timbers #1HH12133981 | 8,250 |
| 695683 | May 14, 2010 | May 14, 2010 | Devon Energy Production Co, L.P. | Wood, James L. GU #12HH12133979 | 9,000 |
| 695603 | May 10, 2010 | May 10, 2010 | Eagleridge Operating, LLC | Davis #1HH12132229 | 8,798 |
| 695532 | May 10, 2010 | May 10, 2010 | Devon Energy Production Co, L.P. | Porter-Riley #4HH12133978 | 9,000 |
| 695531 | May 10, 2010 | May 10, 2010 | Devon Energy Production Co, L.P. | Porter-Riley #3HH12133977 | 9,000 |
| 695530 | May 10, 2010 | May 10, 2010 | Devon Energy Production Co, L.P. | Porter-Riley #2HH12133976 | 9,000 |
| 695427 | May 10, 2010 | May 10, 2010 | Expro Engineering, Inc. | P R Smith #1HH12133974 | 9,000 |
| 695427Amendment | May 10, 2010 | May 10, 2010 | Expro Engineering, Inc. | P R Smith #1HH12133974 | 9,000 |
| 695391 | May 5, 2010 | May 5, 2010 | Devon Energy Production Co, L.P. | Biltmore-B. Yarbrough (SA) #2HH12133973 | 9,000 |
| 695377 | May 4, 2010 | May 4, 2010 | Devon Energy Production Co, L.P. | Biltmore-B. Yarbrough (SA) #1HH12133972 | 9,000 |
| 695302 | May 4, 2010 | May 4, 2010 | Devon Energy Production Co, L.P. | Biltmore-B. Yarb-Biltmore (SA) #1HH12133970 | 9,000 |
| 695302Amendment | May 4, 2010 | May 4, 2010 | Devon Energy Production Co, L.P. | Biltmore-B. Yarb-Biltmore (SA) #1HH12133970 | 9,000 |
| 695302Amendment | May 4, 2010 | May 4, 2010 | Devon Energy Production Co, L.P. | Biltmore-B. Yarb-Biltmore (SA) #1HH12133970 | 9,000 |
| 695322 | May 3, 2010 | May 3, 2010 | Devon Energy Production Co, L.P. | Biltmore #13HH12133971 | 9,000 |
| 695322Amendment | May 3, 2010 | May 3, 2010 | Devon Energy Production Co, L.P. | Biltmore #13HH12133971 | 9,000 |
| 695322Amendment | May 3, 2010 | May 3, 2010 | Devon Energy Production Co, L.P. | Biltmore #13HH12133971 | 9,000 |
| 695314 | May 3, 2010 | May 3, 2010 | Devon Energy Production Co, L.P. | Biltmore #14HH12133969 | 9,000 |
| 695314Amendment | May 3, 2010 | May 3, 2010 | Devon Energy Production Co, L.P. | Biltmore #14HH12133969 | 9,000 |
| 695314Amendment | May 3, 2010 | May 3, 2010 | Devon Energy Production Co, L.P. | Biltmore #14HH12133969 | 9,000 |
| 695282 | Apr 30, 2010 | Apr 30, 2010 | Devon Energy Production Co, L.P. | Biltmore #12HH12133968 | 9,000 |
| 695281 | Apr 30, 2010 | Apr 30, 2010 | Devon Energy Production Co, L.P. | Biltmore #11HH12133967 | 9,000 |
| 695281Amendment | Apr 30, 2010 | Apr 30, 2010 | Devon Energy Production Co, L.P. | Biltmore #11HH12133967 | 9,000 |
| 695280 | Apr 30, 2010 | Apr 30, 2010 | Devon Energy Production Co, L.P. | Biltmore #10HH12133966 | 9,000 |
| 695280Amendment | Apr 30, 2010 | Apr 30, 2010 | Devon Energy Production Co, L.P. | Biltmore #10HH12133966 | 9,000 |
| 695276 | Apr 30, 2010 | Apr 30, 2010 | Devon Energy Production Co, L.P. | Biltmore #9HH12133965 | 9,000 |
| 695274 | Apr 30, 2010 | Apr 30, 2010 | Devon Energy Production Co, L.P. | Biltmore #8HH12133964 | 9,000 |
| 695271 | Apr 30, 2010 | Apr 30, 2010 | Devon Energy Production Co, L.P. | Biltmore #7HH12133963 | 9,000 |
| 695123 | Apr 28, 2010 | Apr 28, 2010 | Titan Operating, LLC | Powell Unit #1HH12133962 | 9,000 |
| 695123Amendment | Apr 28, 2010 | Apr 28, 2010 | Titan Operating, LLC | Powell Unit #1HH12133962 | 9,000 |
| 695004 | Apr 27, 2010 | Apr 27, 2010 | Hillwood O & G Operating Co LP | Hunter Ranch #J 4HH12133961 | 12,000 |