| 634465 | Mar 12, 2007 | Mar 12, 2007 | XTO Energy Inc. | Tarrant | Surber Unit CA #1HH43932016 | 11,000 |
| 634465Amendment | Mar 12, 2007 | Mar 12, 2007 | XTO Energy Inc. | Tarrant | Surber Unit CA #1HH43932016 | 11,000 |
| 633496 | Mar 12, 2007 | Mar 12, 2007 | XTO Energy Inc. | Robertson | Billy Turner Gas Unit #739531244 | 13,900 |
| 633430 | Mar 12, 2007 | Mar 12, 2007 | XTO Energy Inc. | Freestone | McWatters, T.H. #3016133839 | 13,500 |
| 633340 | Mar 12, 2007 | Mar 12, 2007 | XTO Energy Inc. | Freestone | Cochrum Gas Unit #1616133840 | 13,500 |
| 634912 | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Tarrant | Panagopoulos Unit #4HH43932030 | 10,000 |
| 634912Amendment | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Tarrant | Panagopoulos Unit #4HH43932030 | 10,000 |
| 634629 | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Tarrant | Arterburn & Crow Unit #4HH43932022 | 11,000 |
| 634629Amendment | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Tarrant | Arterburn & Crow Unit #4HH43932022 | 11,000 |
| 634618 | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Hood | Charo #A 1HH22131303 | 10,000 |
| 634612 | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Tarrant | Brumbaugh CFW Unit #3HH43932021 | 11,000 |
| 633495 | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Robertson | Billy Turner Gas Unit #1239531245 | 13,900 |
| 632274 | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #429331296 | 8,900 |
| 632188 | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Freestone | Ham Gas Unit #2916133814 | 13,000 |
| 634463 | Mar 8, 2007 | Mar 8, 2007 | XTO Energy Inc. | Johnson | Sowell Unit #1HH25131555 | 12,000 |
| 634463Amendment | Mar 8, 2007 | Mar 8, 2007 | XTO Energy Inc. | Johnson | Sowell Unit #1HH25131555 | 12,000 |
| 633458 | Mar 8, 2007 | Mar 8, 2007 | XTO Energy Inc. | Robertson | Watts, Mary J. Gas Unit #839531242 | 13,500 |
| 634374 | Mar 7, 2007 | Mar 7, 2007 | XTO Energy Inc. | Hidalgo | Wheelock Gas Unit O/A #121530063 | 11,800 |
| 634310 | Mar 7, 2007 | Mar 7, 2007 | XTO Energy Inc. | Parker | Barber W #7HH36734353 | 10,000 |
| 634310Amendment | Mar 7, 2007 | Mar 7, 2007 | XTO Energy Inc. | Parker | Barber W #7HH36734353 | 10,000 |
| 634064 | Mar 6, 2007 | Mar 6, 2007 | XTO Energy Inc. | Tarrant | Richardson, Sid #B 3HH43932017 | 11,000 |
| 634010 | Mar 6, 2007 | Mar 6, 2007 | XTO Energy Inc. | Tarrant | Richardson, Sid #B 2HH43932018 | 11,000 |
| 634010Amendment | Mar 6, 2007 | Mar 6, 2007 | XTO Energy Inc. | Tarrant | Richardson, Sid #B 2HH43932018 | 11,000 |
| 634010Amendment | Mar 6, 2007 | Mar 6, 2007 | XTO Energy Inc. | Tarrant | Richardson, Sid #B 2HH43932018 | 11,000 |
| 633071 | Mar 6, 2007 | Mar 6, 2007 | XTO Energy Inc. | Gaines | H & J Unit 451 #2616536741 | 11,900 |
| 633071Amendment | Mar 6, 2007 | Mar 6, 2007 | XTO Energy Inc. | Gaines | H & J Sec 451 #2616536741 | 11,900 |
| 633071Amendment | Mar 6, 2007 | Mar 6, 2007 | XTO Energy Inc. | Gaines | H & J Sec 451 #2616536741 | 11,900 |
| 633071Amendment | Mar 6, 2007 | Mar 6, 2007 | XTO Energy Inc. | Gaines | H & J Sec 451 #2616536741 | 11,900 |
| 634136 | Mar 1, 2007 | Mar 1, 2007 | XTO Energy Inc. | Tarrant | Trbp-Railhead Unit #1HH43932001 | 11,000 |
| 634136Amendment | Mar 1, 2007 | Mar 1, 2007 | XTO Energy Inc. | Tarrant | Trbp-Railhead Unit #1HH43932001 | 11,000 |
| 634083 | Mar 1, 2007 | Mar 1, 2007 | XTO Energy Inc. | Tarrant | D Love Unit #1HH43931999 | 10,500 |
| 634083Amendment | Mar 1, 2007 | Mar 1, 2007 | XTO Energy Inc. | Tarrant | D Love Unit #1HH43931999 | 12,500 |
| 632892 | Mar 1, 2007 | Mar 1, 2007 | XTO Energy Inc. | Freestone | Henderson Gas Unit #1216133828 | 13,400 |
| 632831 | Mar 1, 2007 | Mar 1, 2007 | XTO Energy Inc. | Limestone | Jeff Thomas Gas Unit No. 1 #1529331921 | 14,800 |
| 633351 | Feb 27, 2007 | Feb 27, 2007 | XTO Energy Inc. | Freestone | Miller, Clara Barton Lease #116133835 | 11,200 |
| 633351Amendment | Feb 27, 2007 | Feb 27, 2007 | XTO Energy Inc. | Freestone | Miller, Clara Barton Lease #116133835 | 11,200 |
| 632559 | Feb 27, 2007 | Feb 27, 2007 | XTO Energy Inc. | Gaines | Fasken #1HH16500480 | 11,500 |
| 632496 | Feb 27, 2007 | Feb 27, 2007 | XTO Energy Inc. | Hidalgo | Wheelock Gas Unit #1021533584 | 13,700 |
| 632495 | Feb 27, 2007 | Feb 27, 2007 | XTO Energy Inc. | Hidalgo | Russell Rentfro #821533583 | 13,700 |
| 631261 | Feb 27, 2007 | Feb 27, 2007 | XTO Energy Inc. | Johnson | Gafford Unit #B 1HH25131412 | 12,000 |
| 631261Amendment | Feb 27, 2007 | Feb 27, 2007 | XTO Energy Inc. | Johnson | Gafford Unit #B 1HH25131412 | 12,000 |
| 633858 | Feb 26, 2007 | Feb 26, 2007 | XTO Energy Inc. | Tarrant | Tucker Unit #1HH43931996 | 12,000 |
| 633858Amendment | Feb 26, 2007 | Feb 26, 2007 | XTO Energy Inc. | Tarrant | Tucker Unit #1HH43931996 | 10,000 |
| 633582 | Feb 26, 2007 | Feb 26, 2007 | XTO Energy Inc. | Ector | Goldsmith, C. A. et Al #55713500936 | 6,525 |
| 632754 | Feb 26, 2007 | Feb 26, 2007 | XTO Energy Inc. | Limestone | Jeff Thomas Gas Unit No. 1 #1129331920 | 15,500 |
| 633781 | Feb 23, 2007 | Feb 23, 2007 | XTO Energy Inc. | Parker | Johnston, Melinda #1HH36734342 | 10,000 |
| 633781Amendment | Feb 23, 2007 | Feb 23, 2007 | XTO Energy Inc. | Parker | Melinda Johnston #1HH36734342 | 10,000 |
| 633764 | Feb 23, 2007 | Feb 23, 2007 | XTO Energy Inc. | Yoakum | Randall E #4650135418 | 10,000 |
| 633764Amendment | Feb 23, 2007 | Feb 23, 2007 | XTO Energy Inc. | Yoakum | Randall E #4650135418 | 10,000 |
| 633742 | Feb 23, 2007 | Feb 23, 2007 | XTO Energy Inc. | Ector | Goldsmith, C. A. et Al #73713501114 | 6,500 |
| 633734 | Feb 23, 2007 | Feb 23, 2007 | XTO Energy Inc. | Yoakum | Mahoney, H. O. #10850135219 | 5,437 |
| 633306 | Feb 23, 2007 | Feb 23, 2007 | XTO Energy Inc. | Parker | Barber W Unit #9HH36734328 | 10,000 |
| 633306Amendment | Feb 23, 2007 | Feb 23, 2007 | XTO Energy Inc. | Parker | Barber W Unit #9HH36734328 | 10,000 |
| 633667 | Feb 21, 2007 | Feb 21, 2007 | XTO Energy Inc. | Tarrant | Basped Unit #A 1HH43931985 | 13,000 |
| 633667Amendment | Feb 21, 2007 | Feb 21, 2007 | XTO Energy Inc. | Tarrant | Basped Unit #A 1HH43931985 | 12,500 |
| 633667Amendment | Feb 21, 2007 | Feb 21, 2007 | XTO Energy Inc. | Tarrant | Basped Unit #A 1HH43931985 | 12,500 |
| 632129 | Feb 21, 2007 | Feb 21, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175213539282 | 5,100 |
| 632129Amendment | Feb 21, 2007 | Feb 21, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175213539282 | 5,100 |
| 633031 | Feb 20, 2007 | Feb 20, 2007 | XTO Energy Inc. | Freestone | Kindon Gas Unit No. 1 #1616133832 | 13,500 |
| 633596 | Feb 16, 2007 | Feb 16, 2007 | XTO Energy Inc. | Tarrant | R.P. Stephens Unit #1HH43931983 | 11,000 |
| 633596Amendment | Feb 16, 2007 | Feb 16, 2007 | XTO Energy Inc. | Tarrant | R P Stephens #1HH43931983 | 11,000 |
| 633554 | Feb 16, 2007 | Feb 16, 2007 | XTO Energy Inc. | Ector | Goldsmith, C.A. et Al #58613500965 | 6,500 |
| 633540 | Feb 15, 2007 | Feb 15, 2007 | XTO Energy Inc. | Tarrant | Trwd WC Unit #2HH43931982 | 11,000 |
| 633540Amendment | Feb 15, 2007 | Feb 15, 2007 | XTO Energy Inc. | Tarrant | Trwd WC Unit #2HH43931982 | 11,000 |
| 633412 | Feb 15, 2007 | Feb 15, 2007 | XTO Energy Inc. | Crane | Jax M Cowden B #16010335374 | 5,900 |
| 633265 | Feb 15, 2007 | Feb 15, 2007 | XTO Energy Inc. | Hood | Wann #5HH22131286 | 10,000 |
| 633265Amendment | Feb 15, 2007 | Feb 15, 2007 | XTO Energy Inc. | Hood | Wann #5HH22131286 | 10,000 |
| 632896 | Feb 15, 2007 | Feb 15, 2007 | XTO Energy Inc. | Freestone | Pickett No. 1 Gas Unit #916133829 | 13,000 |
| 633413 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #16110335817 | 6,100 |
| 633385 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Tarrant | Brumbaugh CFW Unit #1HH43931980 | 11,000 |
| 633369 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Parker | Aledo Farms #D 1HH36734330 | 10,000 |
| 633369Amendment | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Parker | Aledo Farms #D 1HH36734330 | 10,000 |
| 632829 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Freestone | Clarke Gas Unit #1716133831 | 13,400 |
| 632755 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Limestone | Beachcomber Gas Unit No. 2 #1129331919 | 14,000 |
| 632752 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Limestone | Beachcomber Gas Unit No. 2 #929331918 | 14,000 |
| 632713 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Limestone | Beachcomber Gas Unit NO.2 #1029331917 | 14,000 |
| 633301 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Tarrant | Txu Abra Unit #4HH43931975 | 11,000 |
| 633301Amendment | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Tarrant | Txu Abra Unit #4HH43931975 | 11,000 |
| 633299 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Tarrant | Txu Abra Unit #3HH43931976 | 11,000 |
| 633299Amendment | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Tarrant | Txu Abra Unit #3HH43931976 | 11,000 |
| 632725 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Limestone | Jeff Thomas Gas Unit No. 1 #1429331916 | 14,000 |
| 632608 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Fulton "A" #1016133827 | 15,000 |
| 632608Amendment | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Fulton "A" #1016133827 | 15,000 |
| 632607 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Limestone | Jeff Thomas Gas Unit No. 1 #1229331915 | 15,500 |
| 632541 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Limestone | Chandler Gas Unit No. 1 #929331533 | 15,000 |
| 632463 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Foreman "B" NO.1 Gas Unit #916133826 | 13,500 |
| 632413 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | William C. Glazener Gas Unit #2116133825 | 13,200 |
| 632396 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Rogers Gas Unit #1216133824 | 13,200 |
| 632354 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Henderson Gas Unit #1716133821 | 13,400 |
| 632350 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | J.A. Gilliam Gas Unit II #1316133823 | 13,300 |
| 632349 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Henderson Gas Unit #1616133822 | 13,400 |
| 632346 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Henderson Gas Unit #1516133820 | 13,400 |
| 632346Amendment | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Henderson Gas Unit #1516133820 | 13,400 |
| 632344 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Eppes, Fred R. #2016133819 | 13,600 |
| 632193 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Robertson | H. M. Jones Gas Unit #639531233 | 13,900 |
| 632191 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Cosson Gas Unit #1416133816 | 13,000 |
| 632190 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Cosson Gas Unit #1516133815 | 13,100 |
| 632189 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Winfree Gas Unit #1516133812 | 13,100 |
| 632187 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Kirsch Gas Unit #1516133813 | 13,400 |
| 632186 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Winfree Gas Unit #1716133811 | 13,100 |