| 620232 | Jun 1, 2006 | Jun 1, 2006 | XTO Energy Inc. | Parker | Walsh Ranch West #I 3HH36734033 | 8,900 |
| 619720 | Jun 1, 2006 | Jun 1, 2006 | XTO Energy Inc. | Houston | McLean, Harry #1H22531072 | 13,000 |
| 619720Amendment | Jun 1, 2006 | Jun 1, 2006 | XTO Energy Inc. | Houston | McLean, Harry #122531072 | 13,000 |
| 619720Amendment | Jun 1, 2006 | Jun 1, 2006 | XTO Energy Inc. | Houston | McLean, Harry #122531072 | 13,000 |
| 620095 | May 31, 2006 | May 31, 2006 | XTO Energy Inc. | Tarrant | Johnson Ranch #G 2HH43931642 | 10,000 |
| 617906 | May 31, 2006 | May 31, 2006 | XTO Energy Inc. | Freestone | Henderson-Lott NO.1 Gas Unit #616133556 | 13,100 |
| 617906Amendment | May 31, 2006 | May 31, 2006 | XTO Energy Inc. | Freestone | Henderson-Lott NO.1 Gas Unit #616133556 | 13,100 |
| 620093 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Tarrant | Johnson Ranch #G 1HH43931636 | 10,000 |
| 620078 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Tarrant | Marine Creek #A 2HH43931635 | 11,000 |
| 620078Amendment | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Tarrant | Marine Creek #A 2HH43931635 | 11,000 |
| 620075 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Parker | Mosites #A 1HH36734029 | 10,000 |
| 620075Amendment | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Parker | Mosites #A 1HH36734029 | 10,000 |
| 620074 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Johnson | Kyrish #1HH25131006 | 11,000 |
| 620071 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Tarrant | Blakeman Unit #1HH43931634 | 11,000 |
| 620071Amendment | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Tarrant | Blakeman Unit #1HH43931634 | 11,000 |
| 620071Amendment | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Tarrant | Blakeman Unit #1HH43931634 | 11,000 |
| 619960 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Yoakum | Miller, Annie A #1250135365 | 9,000 |
| 619958 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Yoakum | Miller, Annie A #1150135364 | 9,000 |
| 619956 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Yoakum | Miller, Annie A #1050135363 | 9,000 |
| 619630 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Panola | Tompkins, Elve #1436536209 | 10,300 |
| 619625 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Panola | Dr. J. E. Adams Gas Unit #336536208 | 10,300 |
| 619554 | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Panola | Pirkle, L. H. #1736536202 | 10,300 |
| 619554Amendment | May 30, 2006 | May 30, 2006 | XTO Energy Inc. | Panola | Pirkle, L. H. #1736536202 | 10,300 |
| 620036 | May 26, 2006 | May 26, 2006 | XTO Energy Inc. | Ector | C.A. Goldsmith #172113539116 | 7,000 |
| 619943 | May 26, 2006 | May 26, 2006 | XTO Energy Inc. | Tarrant | Black Thistle Unit #3HH43931631 | 11,000 |
| 619943Amendment | May 26, 2006 | May 26, 2006 | XTO Energy Inc. | Tarrant | Black Thistle Unit #3HH43931631 | 11,000 |
| 619990 | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Ector | Goldsmith, C. A. #172213539114 | 7,000 |
| 619987 | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Ector | Goldsmith, C. A. #171913539112 | 7,000 |
| 619985 | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Ector | Goldsmith, C. A. #171113539113 | 7,000 |
| 619946 | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Tarrant | Black Thistle Unit #1HH43931632 | 11,000 |
| 619946Amendment | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Tarrant | Black Thistle Unit #1HH43931632 | 11,000 |
| 619937 | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Tarrant | Black Thistle Unit #2HH43931630 | 11,000 |
| 619937Amendment | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Tarrant | Black Thistle Unit #2HH43931630 | 11,000 |
| 619619 | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Freestone | Haskell D. Gilliam Gas Unit #816133600 | 9,900 |
| 619618 | May 25, 2006 | May 25, 2006 | XTO Energy Inc. | Freestone | Reed "P" Gas Unit No. 1 #1916133599 | 13,400 |
| 619820 | May 24, 2006 | May 24, 2006 | XTO Energy Inc. | Johnson | Clayton #1HH25130998 | 11,000 |
| 619820Amendment | May 24, 2006 | May 24, 2006 | XTO Energy Inc. | Johnson | Clayton #1HH25130998 | 11,000 |
| 619634 | May 24, 2006 | May 24, 2006 | XTO Energy Inc. | Crane | Cowden, Jax M. B #15810335248 | 5,900 |
| 619615 | May 24, 2006 | May 24, 2006 | XTO Energy Inc. | Freestone | Baty, L.E. #216134202 | 10,000 |
| 619606 | May 24, 2006 | May 24, 2006 | XTO Energy Inc. | Freestone | Henderson-Lott NO.1 Gas Unit #716133597 | 13,200 |
| 619606Amendment | May 24, 2006 | May 24, 2006 | XTO Energy Inc. | Freestone | Henderson-Lott NO.1 Gas Unit #716133597 | 13,200 |
| 619548 | May 24, 2006 | May 24, 2006 | XTO Energy Inc. | Freestone | Thompson, C.C. #2816133596 | 13,500 |
| 614593 | May 24, 2006 | May 24, 2006 | XTO Energy Inc. | Freestone | Reed "E" Gas Unit #1116133279 | 14,500 |
| 619786 | May 23, 2006 | May 23, 2006 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #44116536578 | 9,000 |
| 619783 | May 23, 2006 | May 23, 2006 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #43516536577 | 8,500 |
| 619781 | May 23, 2006 | May 23, 2006 | XTO Energy Inc. | Gaines | Russell Clearfork Unit #42216536576 | 8,500 |
| 619712 | May 23, 2006 | May 23, 2006 | XTO Energy Inc. | Tarrant | Summers Unit #2HH43931627 | 11,000 |
| 619704 | May 23, 2006 | May 23, 2006 | XTO Energy Inc. | Johnson | Boscamp Burton & Lewis #3HH25130996 | 11,000 |
| 619687 | May 22, 2006 | May 22, 2006 | XTO Energy Inc. | Parker | Bullington #A 1HH36734020 | 11,000 |
| 619687Amendment | May 22, 2006 | May 22, 2006 | XTO Energy Inc. | Parker | Bullington #A 1HH36734020 | 8,500 |
| 619298 | May 22, 2006 | May 22, 2006 | XTO Energy Inc. | Tarrant | Richardson, Sid #E 1HH43931623 | 11,000 |
| 619545 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Gaines | Riley B #2HH16503122 | 12,000 |
| 619540 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Gaines | Jones B #5HH16502400 | 12,000 |
| 619540Amendment | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Gaines | Jones B #5HH16502400 | 12,600 |
| 619386 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Freestone | Senter Gas Unit #416133593 | 12,800 |
| 619386Amendment | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Freestone | Senter Gas Unit #416133593 | 12,800 |
| 619385 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Robertson | Taylor Gas Unit #139531149 | 15,000 |
| 619308 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Robertson | Wallingford Gas Unit #139531148 | 16,000 |
| 619305 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Freestone | Wilburn #616133590 | 12,800 |
| 619238 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Freestone | Kemotte Acres Gas Unit #116133588 | 10,700 |
| 619236 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Freestone | Thompson, C. C. #2716133589 | 13,500 |
| 619235 | May 19, 2006 | May 19, 2006 | XTO Energy Inc. | Robertson | Young Gas Unit #739531461 | 15,700 |
| 619295 | May 18, 2006 | May 18, 2006 | XTO Energy Inc. | Tarrant | Richardson, N Sid #H 1HH43931622 | 11,000 |
| 617916 | May 18, 2006 | May 18, 2006 | XTO Energy Inc. | Tarrant | Burkhalter Unit #A 1HH43931595 | 11,000 |
| 617916Amendment | May 18, 2006 | May 18, 2006 | XTO Energy Inc. | Tarrant | Burkhalter Unit #A 1HH43931595 | 11,000 |
| 619007 | May 17, 2006 | May 17, 2006 | XTO Energy Inc. | Limestone | C&W Gas Unit No. 1 #6HH29331836 | 17,000 |
| 619316 | May 16, 2006 | May 16, 2006 | XTO Energy Inc. | Freestone | John Henderson Gas Unit #916133587 | 13,000 |
| 619316Amendment | May 16, 2006 | May 16, 2006 | XTO Energy Inc. | Freestone | John Henderson Gas Unit #916133587 | 13,000 |
| 618936 | May 16, 2006 | May 16, 2006 | XTO Energy Inc. | Freestone | Butler Gas Unit #616133585 | 13,300 |
| 618936Amendment | May 16, 2006 | May 16, 2006 | XTO Energy Inc. | Freestone | Butler Gas Unit #616133585 | 13,300 |
| 615267 | May 16, 2006 | May 16, 2006 | XTO Energy Inc. | Pecos | Mitchell-Thomas Unit 2 #137104415 | 15,000 |
| 619283 | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Denton | J Griffith Unit #1HH12132858 | 11,000 |
| 619283Amendment | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Denton | J Griffith Unit #1HH12132858 | 11,000 |
| 619283Amendment | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Denton | J. Griffith Unit #1HH12132858 | 11,000 |
| 619283Amendment | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Denton | J. Griffith Unit #1HH12132858 | 11,000 |
| 618823 | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Freestone | John Henderson Gas Unit #616133584 | 13,400 |
| 618823Amendment | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Freestone | John Henderson Gas Unit #616133584 | 13,400 |
| 618821 | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Freestone | Melvin Waldrip Gas Unit II #816133583 | 14,600 |
| 618821Amendment | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Freestone | Melvin Waldrip Gas Unit II #816133583 | 14,600 |
| 618817 | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Freestone | Roper Gas Unit #516133582 | 12,900 |
| 618817Amendment | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Freestone | Roper Gas Unit #516133582 | 12,900 |
| 618458 | May 15, 2006 | May 15, 2006 | XTO Energy Inc. | Tarrant | Johnson Ranch #F 2HH43931605 | 11,000 |
| 618633 | May 12, 2006 | May 12, 2006 | XTO Energy Inc. | Freestone | Senter Gas Unit #316133579 | 13,000 |
| 618633Amendment | May 12, 2006 | May 12, 2006 | XTO Energy Inc. | Freestone | Senter Gas Unit #316133579 | 13,000 |
| 618582 | May 12, 2006 | May 12, 2006 | XTO Energy Inc. | Freestone | Worthy 'A' #216132035 | 14,000 |
| 618581 | May 12, 2006 | May 12, 2006 | XTO Energy Inc. | Freestone | Worthy 'A' #316132388 | 14,000 |
| 618577 | May 12, 2006 | May 12, 2006 | XTO Energy Inc. | Freestone | Worthy "A" #116131328 | 10,800 |
| 618453 | May 10, 2006 | May 10, 2006 | XTO Energy Inc. | Robertson | Lee Martin Gas Unit No. 1 #1339531144 | 13,900 |
| 618427 | May 10, 2006 | May 10, 2006 | XTO Energy Inc. | Limestone | Pat Oakes Gas Unit II #129331835 | 15,200 |
| 618427Amendment | May 10, 2006 | May 10, 2006 | XTO Energy Inc. | Limestone | Pat Oakes Gas Unit II #129331835 | 15,200 |
| 618460 | May 9, 2006 | May 9, 2006 | XTO Energy Inc. | Tarrant | Sid Richardson #D 1HH43931607 | 11,000 |
| 618460Amendment | May 9, 2006 | May 9, 2006 | XTO Energy Inc. | Tarrant | Richardson, Sid #D 1HH43931607 | 11,000 |
| 618459 | May 9, 2006 | May 9, 2006 | XTO Energy Inc. | Tarrant | Sid Richardson #C 1HH43931606 | 11,000 |
| 618459Amendment | May 9, 2006 | May 9, 2006 | XTO Energy Inc. | Tarrant | Richardson, Sid #C 1HH43931606 | 11,000 |
| 618459Amendment | May 9, 2006 | May 9, 2006 | XTO Energy Inc. | Tarrant | Richardson, Sid #C 1HH43931606 | 11,000 |
| 618424 | May 9, 2006 | May 9, 2006 | XTO Energy Inc. | Freestone | C. A. Newsom Estate #2916133572 | 13,500 |
| 616873 | May 9, 2006 | May 9, 2006 | XTO Energy Inc. | Freestone | Bell Gas Unit #1416134147 | 13,600 |
| 615255 | May 9, 2006 | May 9, 2006 | XTO Energy Inc. | Panola | Tompkins Trust Gas Unit #236536096 | 12,000 |
| 618876 | May 8, 2006 | May 8, 2006 | XTO Energy Inc. | Ector | Connell, W. E. NCT-2 #16513536715 | 6,200 |
| 618842 | May 8, 2006 | May 8, 2006 | XTO Energy Inc. | Tarrant | Hadley Bombarger Unit #2HH43931618 | 11,000 |