| 632102 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175413539274 | 5,200 |
| 632102Amendment | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175413539274 | 5,200 |
| 632099 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175113539273 | 5,100 |
| 632099Amendment | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175113539273 | 5,100 |
| 632075 | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Parker | Puryear Unit #1HH36734307 | 10,000 |
| 632075Amendment | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Parker | Hooper Unit #A 1HH36734307 | 10,000 |
| 632075Amendment | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Parker | Hooper Unit #A 1HH36734307 | 9,000 |
| 632062 | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Hood | Black Ranch North B #E 1HH22131269 | 10,000 |
| 632061 | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Parker | Mickle #A 1HH36734305 | 10,000 |
| 632061Amendment | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Parker | Mickle #A 1HH36734305 | 9,000 |
| 632011 | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Robertson | Hancock Gas Unit #139531228 | 16,400 |
| 631936 | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Grayson | Baker, W. H. #418131342 | 10,115 |
| 631168 | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #1929331905 | 13,000 |
| 631168Amendment | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #1929331905 | 13,000 |
| 632059 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Parker | Long Unit #B 1HH36734304 | 9,000 |
| 632056 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Johnson | Burnett Carter Unit #2HH25131454 | 12,000 |
| 632056Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Johnson | Burnett Carter Unit #2HH25131454 | 12,000 |
| 632051 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Tarrant | Elig Unit #2HH43931941 | 11,000 |
| 632051Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Tarrant | Ellig B Unit #2HH43931941 | 11,500 |
| 631696 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Tarrant | Brumbaugh a Unit #8HH43931918 | 11,000 |
| 631696Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Tarrant | Brumbaugh a Unit #8HH43931918 | 11,000 |
| 630994 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Freestone | Fash Gas Unit #116133803 | 11,600 |
| 630988 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit NO 1 #1829331904 | 13,000 |
| 630988Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit NO 1 #1829331904 | 14,200 |
| 630944 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #1329331903 | 14,000 |
| 630944Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #1329331903 | 14,000 |
| 630944Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #1329331903 | 14,000 |
| 631955 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Parker | Walsh Ranch West #B 6HH36734300 | 9,800 |
| 631896 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Rowan C Unit #1HH43931936 | 11,000 |
| 631896Amendment | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Rowan C Unit #1HH43931936 | 11,000 |
| 631895 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Rowan B Unit #1HH43931935 | 11,000 |
| 631895Amendment | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Rowan B Unit #1HH43931935 | 11,000 |
| 631894 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Rowan B Unit #2HH43931934 | 11,000 |
| 631893 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Rowan a Unit #1HH43931933 | 11,000 |
| 631893Amendment | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Rowan a Unit #1HH43931933 | 11,000 |
| 631892 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Johnson | Walls Memorial Hospital #3HH25131442 | 12,000 |
| 631892Amendment | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Johnson | Walls Memorial Hospital #3HH25131442 | 12,000 |
| 631891 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Arlington Surber D Unit #4HH43931932 | 11,000 |
| 631891Amendment | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Arlington Surber D Unit #4HH43931932 | 11,000 |
| 631890 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Arlington Surber C Unit #3HH43931931 | 11,000 |
| 631890Amendment | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Arlington Surber C Unit #3HH43931931 | 11,000 |
| 631889 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Arlington Surber B Unit #2HH43931930 | 11,000 |
| 631889Amendment | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Tarrant | Arlington Surber B Unit #2HH43931930 | 11,000 |
| 630941 | Jan 17, 2007 | Jan 17, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #1429331902 | 14,000 |
| 630941Amendment | Jan 17, 2007 | Jan 17, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #1429331902 | 14,000 |
| 630941Amendment | Jan 17, 2007 | Jan 17, 2007 | XTO Energy Inc. | Limestone | Lyons Gas Unit No. 1 #1429331902 | 14,000 |
| 631794 | Jan 12, 2007 | Jan 12, 2007 | XTO Energy Inc. | Johnson | Gafford Unit #A 1HH25131435 | 11,000 |
| 631794Amendment | Jan 12, 2007 | Jan 12, 2007 | XTO Energy Inc. | Johnson | Gafford Unit #A 1HH25131435 | 11,000 |
| 631762 | Jan 12, 2007 | Jan 12, 2007 | XTO Energy Inc. | Tarrant | Rosen #4HH43931920 | 11,000 |
| 631762Amendment | Jan 12, 2007 | Jan 12, 2007 | XTO Energy Inc. | Tarrant | Rosen #4HH43931920 | 11,000 |
| 631700 | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Tarrant | Crumbie Unit #A 2HH43931917 | 11,000 |
| 631700Amendment | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Tarrant | Crumbie Unit #A 2HH43931917 | 11,000 |
| 631697 | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Gaines | H & J Sec. 496 #1D16501622 | 11,177 |
| 631662Amendment | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Johnson | Shipman #A 1HH25131425 | 10,500 |
| 631462 | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Tarrant | Dollar Booth Unit #1HH43931906 | 11,000 |
| 631462Amendment | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Tarrant | Dollar Booth Unit #1HH43931906 | 11,000 |
| 630635 | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Robertson | R.H. Frier Gas Unit II #739531225 | 13,800 |
| 630634 | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Navarro | Porter Gas Unit #234934800 | 11,000 |
| 630634Amendment | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Navarro | Porter Gas Unit #234934800 | 11,000 |
| 630704 | Jan 10, 2007 | Jan 10, 2007 | XTO Energy Inc. | Freestone | Curry Gas Unit #1416133800 | 13,000 |
| 631532 | Jan 9, 2007 | Jan 9, 2007 | XTO Energy Inc. | Tarrant | Winn Dixie Unit #1HH43931909 | 11,000 |
| 631529 | Jan 9, 2007 | Jan 9, 2007 | XTO Energy Inc. | Johnson | Whitehead Unit #2HH25131420 | 11,000 |
| 631529Amendment | Jan 9, 2007 | Jan 9, 2007 | XTO Energy Inc. | Johnson | Whitehead Unit #2HH25131420 | 12,500 |
| 629575 | Jan 9, 2007 | Jan 9, 2007 | XTO Energy Inc. | Robertson | Duncan Gas Unit No. 2 #1639531215 | 13,900 |
| 629575Amendment | Jan 9, 2007 | Jan 9, 2007 | XTO Energy Inc. | Robertson | Duncan Gas Unit No. 2 #1639531215 | 13,900 |
| 629382 | Jan 5, 2007 | Jan 5, 2007 | XTO Energy Inc. | Tarrant | Roeser South Unit #A 1HH43931853 | 11,000 |
| 629382Amendment | Jan 5, 2007 | Jan 5, 2007 | XTO Energy Inc. | Tarrant | Roeser South Unit #A 1HH43931853 | 11,000 |
| 631303 | Jan 4, 2007 | Jan 4, 2007 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #44316536716 | 9,000 |
| 631260 | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Tarrant | Bullard Unit #2HH43931901 | 11,000 |
| 631260Amendment | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Tarrant | Bullard Unit #2HH43931901 | 11,000 |
| 631259 | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Johnson | Crisp #1HH25131411 | 12,000 |
| 631259Amendment | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Johnson | Crisp Unit #1HH25131411 | 12,000 |
| 631213 | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Johnson | Hobson McCoy Young Unit #2HH25131408 | 12,000 |
| 631213Amendment | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Johnson | Hobson McCoy Young Unit #2HH25131408 | 12,000 |
| 631212 | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Johnson | Morris Foust Unit #2HH25131407 | 12,000 |
| 631212Amendment | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Johnson | Morris Foust Unit #2HH25131407 | 12,000 |
| 629285 | Jan 3, 2007 | Jan 3, 2007 | XTO Energy Inc. | Robertson | Mitchell Gas Unit III #2139531213 | 13,500 |
| 631092 | Dec 28, 2006 | Dec 28, 2006 | XTO Energy Inc. | Johnson | Puff #3HH25131406 | 12,000 |
| 631092Amendment | Dec 28, 2006 | Dec 28, 2006 | XTO Energy Inc. | Johnson | Puff #3HH25131406 | 12,000 |
| 631060 | Dec 28, 2006 | Dec 28, 2006 | XTO Energy Inc. | Johnson | Anna Marie Smith Unit #1HH25131401 | 12,000 |
| 631060Amendment | Dec 28, 2006 | Dec 28, 2006 | XTO Energy Inc. | Johnson | Anna Marie Smith Unit #1HH25131401 | 12,000 |
| 631060Amendment | Dec 28, 2006 | Dec 28, 2006 | XTO Energy Inc. | Johnson | Anna Marie Smith Unit #1HH25131401 | 12,000 |
| 631057 | Dec 28, 2006 | Dec 28, 2006 | XTO Energy Inc. | Parker | Simpson #A 1HH36734290 | 10,000 |
| 629708 | Dec 28, 2006 | Dec 28, 2006 | XTO Energy Inc. | Andrews | State of Texas CR #2HH00307399 | 11,100 |
| 630385 | Dec 22, 2006 | Dec 22, 2006 | XTO Energy Inc. | Terry | Prentice Northeast Unit #644500348 | 7,500 |
| 630325 | Dec 22, 2006 | Dec 22, 2006 | XTO Energy Inc. | Robertson | Biggs #1 Gas Unit #1039531219 | 13,900 |
| 630611 | Dec 15, 2006 | Dec 15, 2006 | XTO Energy Inc. | Ector | Goldsmith, C. A. #177013539261 | 5,100 |
| 630608 | Dec 15, 2006 | Dec 15, 2006 | XTO Energy Inc. | Ector | Goldsmith, C. A. #171213539260 | 7,000 |
| 630602 | Dec 15, 2006 | Dec 15, 2006 | XTO Energy Inc. | Terry | Prentice Northeast Unit #2B44500112 | 7,500 |
| 629585 | Dec 15, 2006 | Dec 15, 2006 | XTO Energy Inc. | Limestone | Carl Sadler Gas Unit No. 1 #229331547 | 14,000 |
| 629584 | Dec 15, 2006 | Dec 15, 2006 | XTO Energy Inc. | Freestone | Vestal Gas Unit No. 1 #1416132722 | 14,500 |
| 630368 | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | Johnson | Cleburne State Park #4HH25131381 | 12,000 |
| 630368Amendment | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | Johnson | Cleburne State Park #4HH25131381 | 12,000 |
| 629577 | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | Freestone | Curry Gas Unit #1116133789 | 13,000 |
| 629574 | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | Limestone | W. O. Stone Gas Unit No. 1 #1029331899 | 13,500 |
| 629574Amendment | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | Limestone | W. O. Stone Gas Unit No. 1 #1029331899 | 13,500 |
| 628588 | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | Freestone | Henderson-Lott No. 1 Gas Unit #816133766 | 13,000 |
| 628588Amendment | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | Freestone | Henderson-Lott No. 1 Gas Unit #816133766 | 13,000 |
| 630457 | Dec 13, 2006 | Dec 13, 2006 | XTO Energy Inc. | Terry | Prentice Northeast Unit #17W44500346 | 7,450 |
| 630269 | Dec 13, 2006 | Dec 13, 2006 | XTO Energy Inc. | Tarrant | Wildlife A W Unit #5HH43931875 | 12,000 |