| 632184 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Robertson | Mitchell Gas Unit III #1939531230 | 13,900 |
| 632184Amendment | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Robertson | Mitchell Gas Unit III #1939531230 | 13,900 |
| 632158 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Freestone | Fails Gas Unit #1416133810 | 13,400 |
| 633260 | Feb 10, 2007 | Feb 10, 2007 | XTO Energy Inc. | Johnson | Sau #1HH25131508 | 12,000 |
| 633260Amendment | Feb 10, 2007 | Feb 10, 2007 | XTO Energy Inc. | Johnson | Sau Unit #1HH25131508 | 12,000 |
| 633257 | Feb 10, 2007 | Feb 10, 2007 | XTO Energy Inc. | Ector | Goldsmith, C.A. et Al #52313500902 | 6,500 |
| 633254 | Feb 10, 2007 | Feb 10, 2007 | XTO Energy Inc. | Tarrant | Mike Allen Unit #A 2HH43931972 | 11,000 |
| 633254Amendment | Feb 10, 2007 | Feb 10, 2007 | XTO Energy Inc. | Tarrant | Mike Allen Unit #A 2HH43931972 | 11,000 |
| 633160 | Feb 9, 2007 | Feb 9, 2007 | XTO Energy Inc. | Ector | Goldsmith, C. A. #172413539288 | 6,900 |
| 633158 | Feb 9, 2007 | Feb 9, 2007 | XTO Energy Inc. | Ector | Goldsmith, C. A. #172313539287 | 6,700 |
| 633080Amendment | Feb 9, 2007 | Feb 9, 2007 | XTO Energy Inc. | Tarrant | Sherrill Knapp Unit #1HH43931967 | 10,500 |
| 633080Amendment | Feb 9, 2007 | Feb 9, 2007 | XTO Energy Inc. | Tarrant | Sherrill Knapp Unit #1HH43931967 | 10,500 |
| 633069 | Feb 8, 2007 | Feb 8, 2007 | XTO Energy Inc. | Andrews | Texas N #700338715 | 10,700 |
| 632838 | Feb 7, 2007 | Feb 7, 2007 | XTO Energy Inc. | Tarrant | Kluge Unit #1HH43931961 | 10,000 |
| 632838Amendment | Feb 7, 2007 | Feb 7, 2007 | XTO Energy Inc. | Tarrant | Kluge Unit #1HH43931961 | 9,500 |
| 632862 | Feb 5, 2007 | Feb 5, 2007 | XTO Energy Inc. | Tarrant | Rafael Unit #A 1HH43931962 | 10,000 |
| 632862Amendment | Feb 5, 2007 | Feb 5, 2007 | XTO Energy Inc. | Tarrant | Rafael Unit #A 1HH43931962 | 10,000 |
| 632749 | Feb 5, 2007 | Feb 5, 2007 | XTO Energy Inc. | Tarrant | Carter B #6HH43931958 | 11,000 |
| 632749Amendment | Feb 5, 2007 | Feb 5, 2007 | XTO Energy Inc. | Tarrant | Carter B #6HH43931958 | 11,000 |
| 632233 | Feb 5, 2007 | Feb 5, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #17310335349 | 6,200 |
| 631853 | Feb 5, 2007 | Feb 5, 2007 | XTO Energy Inc. | Cherokee | Chronister Heirs #1007331233 | 13,500 |
| 631777 | Feb 5, 2007 | Feb 5, 2007 | XTO Energy Inc. | Limestone | Pratt Gas Unit #1 #129330829 | 9,000 |
| 632932 | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Freestone | Oma McMichael Gas Unit II #3R16133817 | 13,000 |
| 632753 | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Johnson | Harper Nej #B 1CHH25131481 | 12,000 |
| 632753Amendment | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Johnson | Harper Nej West #B 1CHH25131481 | 12,000 |
| 631742 | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Freestone | Cochrum Gas Unit #616131868 | 13,500 |
| 631713 | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Cherokee | Chronister Heirs #907331232 | 13,500 |
| 631713Amendment | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Cherokee | Harlan #107331232 | 13,500 |
| 631593 | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Cherokee | Chronister Heirs #1207331230 | 13,500 |
| 631593Amendment | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Cherokee | Chronister Heirs #1207331230 | 13,500 |
| 631592 | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Cherokee | Chronister Heirs #707331231 | 13,500 |
| 631592Amendment | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Cherokee | Doyle Creek Gas Unit No. 1 #107331231 | 13,500 |
| 632738 | Feb 1, 2007 | Feb 1, 2007 | XTO Energy Inc. | Johnson | Harper Nej #D 2AHH25131479 | 12,000 |
| 632738Amendment | Feb 1, 2007 | Feb 1, 2007 | XTO Energy Inc. | Johnson | Harper Nej #D 2AHH25131479 | 12,000 |
| 632074 | Jan 31, 2007 | Jan 31, 2007 | XTO Energy Inc. | Parker | Martin Moss Unit #1HH36734314 | 10,000 |
| 630078 | Jan 31, 2007 | Jan 31, 2007 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #44616536704 | 8,900 |
| 632611 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Johnson | Harper Nej D #1BHH25131471 | 12,000 |
| 632611Amendment | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Johnson | Harper Nej D #1BHH25131471 | 12,000 |
| 632604 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Terry | Prentice Northeast Unit #65744532167 | 7,500 |
| 632602 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Ector | Goldsmith, C. A. Etal #63513501013 | 5,830 |
| 632558 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Gaines | H & J Unit 1 D #39HH16501610 | 11,500 |
| 632558Amendment | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Gaines | H & J Unit 1 D #39HH16501610 | 11,500 |
| 631539 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Terry | Prentice Northeast Unit #14844530846 | 7,500 |
| 631537 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Terry | Prentice Northeast Unit #944500097 | 7,500 |
| 631512 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Freestone | Beene-Eubank Gas Unit #116133809 | 11,500 |
| 630178 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #44516536706 | 9,000 |
| 630178Amendment | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #44516536706 | 9,000 |
| 630079 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #45016536705 | 9,000 |
| 632553 | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Tarrant | Panagopoulos Unit #3HH43931952 | 11,000 |
| 632553Amendment | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Tarrant | Panagopoulos Unit #3HH43931952 | 11,000 |
| 632550 | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Parker | Hills of Bear Creek #B 2HH36734312 | 10,000 |
| 632550Amendment | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Parker | Hills of Bear Creek II Unit #B 2HH36734312 | 10,000 |
| 632547 | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Tarrant | Duncan Unit #4HH43931954 | 11,000 |
| 632547Amendment | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Tarrant | Duncan Unit #4HH43931954 | 11,000 |
| 631425 | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Freestone | Deleon Gas Unit #116133808 | 12,100 |
| 631357 | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Leon | Holmes Gas Unit #128930324 | 9,800 |
| 631356 | Jan 29, 2007 | Jan 29, 2007 | XTO Energy Inc. | Freestone | Brumlow Gas Unit No. 1 #1116132382 | 13,500 |
| 632415 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Parker | Larkin Unit #1HH36734310 | 10,000 |
| 632415Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Parker | Larkin Unit #1HH36734310 | 10,000 |
| 632415Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Parker | Larkin Unit #1HH36734310 | 10,000 |
| 632126 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175913539280 | 5,200 |
| 632126Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175913539280 | 5,200 |
| 632114 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175813539276 | 5,200 |
| 632113 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175713539279 | 5,200 |
| 632112 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175613539278 | 5,100 |
| 632112Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175613539278 | 5,100 |
| 632109 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Anres Unit #175513539277 | 5,100 |
| 632109Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175513539277 | 5,100 |
| 632109Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175513539277 | 5,100 |
| 632106 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175313539275 | 5,200 |
| 632106Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #175313539275 | 5,200 |
| 631312 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Houston | T. I. N. #222531098 | 13,000 |
| 631312Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Houston | T. I. N. #222531098 | 13,000 |
| 631312Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Houston | T. I. N. #222531098 | 13,000 |
| 631311 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Freestone | Kirsch Gas Unit #1616133805 | 13,400 |
| 631309 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Limestone | N. E. Shorter Gas Unit No. 1 #429331909 | 13,800 |
| 631308 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Freestone | Kirsch Gas Unit #1316133804 | 13,400 |
| 631304 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Limestone | W. O. Stone Gas Unit No. 1 #1129331908 | 13,500 |
| 631304Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Limestone | W. O. Stone Gas Unit No. 1 #1129331908 | 13,500 |
| 631232 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Limestone | Jeff Thomas Gas Unit No. 1 #2129331907 | 15,300 |
| 629303 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Terry | Prentice Northeast Unit #61644532162 | 7,600 |
| 632250Amendment | Jan 25, 2007 | Jan 25, 2007 | XTO Energy Inc. | Leon | Van Winkle Estate #128931641 | 7,000 |
| 632073 | Jan 25, 2007 | Jan 25, 2007 | XTO Energy Inc. | Tarrant | Milne Carroll Unit #A 1HH43931943 | 11,000 |
| 632073Amendment | Jan 25, 2007 | Jan 25, 2007 | XTO Energy Inc. | Tarrant | Milne Carroll Unit #A 1HH43931943 | 11,000 |
| 631231 | Jan 25, 2007 | Jan 25, 2007 | XTO Energy Inc. | Houston | T. I. N. #322531097 | 13,000 |
| 631231Amendment | Jan 25, 2007 | Jan 25, 2007 | XTO Energy Inc. | Houston | T. I. N. #322531097 | 13,000 |
| 627896 | Jan 25, 2007 | Jan 25, 2007 | XTO Energy Inc. | Freestone | Larson "a" II Gas Unit #816133752 | 13,600 |
| 632291 | Jan 24, 2007 | Jan 24, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #16710335351 | 6,000 |
| 632288 | Jan 24, 2007 | Jan 24, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #16510335350 | 6,000 |
| 632228 | Jan 24, 2007 | Jan 24, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #17110335347 | 6,000 |
| 630047 | Jan 24, 2007 | Jan 24, 2007 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #45316536703 | 9,000 |
| 632230 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #17210335825 | 6,200 |
| 632227 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #17010335346 | 6,000 |
| 632223 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #16910335345 | 6,000 |
| 632201 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #16410335340 | 6,000 |
| 632200 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #16310335341 | 6,000 |
| 632199 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #16210335342 | 6,000 |
| 632197 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Crane | Cordona Lake Cons. Unit #15310335339 | 6,200 |
| 632138 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Limestone | Gross, Richard H. et Al #1829331906 | 13,800 |
| 632127 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Ector | Goldsmith San Andres Unit #176013539281 | 5,200 |