| 684076 | Aug 17, 2009 | Aug 17, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Blessing Unit A #6HH | 7,780 | 12133799 |
| 684076Amendment | Aug 17, 2009 | Aug 17, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Blessing Unit A #6HH | 7,780 | 12133799 |
| 684076Amendment | Aug 17, 2009 | Aug 17, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Blessing Unit A #6HH | 8,900 | 12133799 |
| 683861 | Aug 10, 2009 | Aug 10, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Cummings C West #4HH | 7,750 | 12133790 |
| 683820 | Aug 7, 2009 | Aug 7, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Cummings C West #3HH | 7,750 | 12133789 |
| 683442 | Jul 27, 2009 | Jul 27, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Gee-Lasater #3HH | 7,530 | 43934478 |
| 683437 | Jul 27, 2009 | Jul 27, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Gee-Lasater #2HH | 7,530 | 43934475 |
| 683175 | Jul 22, 2009 | Jul 22, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Parr B #3HH | 7,500 | 43934470 |
| 683175Amendment | Jul 22, 2009 | Jul 22, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Parr B #3HH | 7,500 | 43934470 |
| 683178 | Jul 20, 2009 | Jul 20, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Parr B #10HH | 7,500 | 43934460 |
| 683178Amendment | Jul 20, 2009 | Jul 20, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Parr B #10HH | 7,500 | 43934460 |
| 681087 | Jun 10, 2009 | Jun 10, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Cummings C West #1HH | 8,450 | 12133774 |
| 681087Amendment | Jun 10, 2009 | Jun 10, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Cummings C West #1HH | 8,800 | 12133774 |
| 681088 | Jun 9, 2009 | Jun 9, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Cummings C West #2HH | 8,450 | 12133775 |
| 681088Amendment | Jun 9, 2009 | Jun 9, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Cummings C West #2HH | 8,450 | 12133775 |
| 681644 | Jun 1, 2009 | Jun 1, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Foley #7HH | 7,490 | 43934381 |
| 681599 | Jun 1, 2009 | Jun 1, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Foley #1HH | 7,490 | 43934377 |
| 681643 | May 29, 2009 | May 29, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Foley #6HH | 7,490 | 43934380 |
| 681642 | May 29, 2009 | May 29, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Foley #5HH | 7,490 | 43934379 |
| 681639 | May 29, 2009 | May 29, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Foley #4HH | 7,490 | 43934382 |
| 681638 | May 29, 2009 | May 29, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Foley #3HH | 7,490 | 43934378 |
| 681601 | May 28, 2009 | May 28, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Foley #2HH | 7,490 | 43934376 |
| 678998Amendment | May 19, 2009 | May 19, 2009 | Williams Prod. Gulf Coast, L.P. | Johnson | Vinewood #2HH | 7,650 | 25133573 |
| 680966 | May 11, 2009 | May 11, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Childers #A 4HH | 8,275 | 49736838 |
| 680966Amendment | May 11, 2009 | May 11, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Childers #A 4HH | 8,275 | 49736838 |
| 680030Amendment | Apr 29, 2009 | Apr 29, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Childers #A 1HH | 8,650 | 49736816 |
| 680675 | Apr 28, 2009 | Apr 28, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Hough, Pearl #3 | 6,200 | 49735334 |
| 680675Amendment | Apr 28, 2009 | Apr 28, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Hough, Pearl #3 | 6,784 | 49735334 |
| 680570 | Apr 22, 2009 | Apr 22, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Courtney #3HH | 7,465 | 43934330 |
| 680569 | Apr 22, 2009 | Apr 22, 2009 | Williams Prod. Gulf Coast, L.P. | Tarrant | Courtney #2HH | 7,465 | 43934329 |
| 680413 | Apr 16, 2009 | Apr 16, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Childers #A 3HH | 8,270 | 49736823 |
| 680413Amendment | Apr 16, 2009 | Apr 16, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Childers #A 3HH | 8,270 | 49736823 |
| 680411 | Apr 16, 2009 | Apr 16, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Childers #A 2HH | 8,270 | 49736822 |
| 680411Amendment | Apr 16, 2009 | Apr 16, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Childers #A 2HH | 8,270 | 49736822 |
| 679846 | Apr 6, 2009 | Apr 6, 2009 | Williams Prod. Gulf Coast, L.P. | Johnson | Forest Ridge #4HH | 7,665 | 25133601 |
| 680030 | Apr 3, 2009 | Apr 3, 2009 | Williams Prod. Gulf Coast, L.P. | Wise | Childers #A 1HH | 7,560 | 49736816 |
| 679849 | Mar 31, 2009 | Mar 31, 2009 | Williams Prod. Gulf Coast, L.P. | Johnson | Forest Ridge #5HH | 7,665 | 25133593 |
| 679838 | Mar 30, 2009 | Mar 30, 2009 | Williams Prod. Gulf Coast, L.P. | Johnson | Forest Ridge #3HH | 7,665 | 25133592 |
| 679209 | Mar 11, 2009 | Mar 11, 2009 | Williams Prod. Gulf Coast, L.P. | Johnson | Vinewood #3HH | 7,650 | 25133578 |
| 679209Amendment | Mar 11, 2009 | Mar 11, 2009 | Williams Prod. Gulf Coast, L.P. | Johnson | Vinewood #3HH | 7,650 | 25133578 |
| 679210 | Mar 10, 2009 | Mar 10, 2009 | Williams Prod. Gulf Coast, L.P. | Johnson | Vinewood #4HH | 7,650 | 25133577 |
| 678998 | Mar 3, 2009 | Mar 3, 2009 | Williams Prod. Gulf Coast, L.P. | Johnson | Vinewood #2HH | 7,650 | 25133573 |
| 678571 | Feb 19, 2009 | Feb 19, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Sam Wilson 2 Unit #13HH | 8,520 | 12133732 |
| 678571Amendment | Feb 19, 2009 | Feb 19, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Sam Wilson 2 Unit #13HH | 8,520 | 12133732 |
| 678408 | Feb 12, 2009 | Feb 12, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Sam Wilson 2 Unit #12HH | 8,900 | 12133730 |
| 678337 | Feb 9, 2009 | Feb 9, 2009 | Williams Prod. Gulf Coast, L.P. | Hood | Helton Unit B #2HH | 10,350 | 22131796 |
| 678060 | Feb 4, 2009 | Feb 4, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Bob Smith A #3HH | 8,550 | 12133719 |
| 678060Amendment | Feb 4, 2009 | Feb 4, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Dr. Bob Smith A #3HH | 8,550 | 12133719 |
| 678059 | Feb 4, 2009 | Feb 4, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Bob Smith A #2HH | 8,550 | 12133720 |
| 678059Amendment | Feb 4, 2009 | Feb 4, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Dr. Bob Smith A #2HH | 8,550 | 12133720 |
| 678058 | Feb 4, 2009 | Feb 4, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Bob Smith A #1HH | 8,550 | 12133714 |
| 678058Amendment | Feb 4, 2009 | Feb 4, 2009 | Williams Prod. Gulf Coast, L.P. | Denton | Dr. Bob Smith A #1HH | 8,550 | 12133714 |
| 675951 | Dec 11, 2008 | Dec 11, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Muscadine #4HH | 8,500 | 43934040 |
| 675950 | Dec 11, 2008 | Dec 11, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Muscadine #3HH | 8,500 | 43934039 |
| 675949 | Dec 11, 2008 | Dec 11, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Muscadine #2HH | 8,500 | 43934042 |
| 675913 | Dec 10, 2008 | Dec 10, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Muscadine #1HH | 8,500 | 43934036 |
| 675826 | Dec 8, 2008 | Dec 8, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Bransom South #6HH | 8,120 | 25133482 |
| 675752 | Dec 5, 2008 | Dec 5, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Buchanan #4HH | 7,800 | 49736752 |
| 675688 | Dec 4, 2008 | Dec 4, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Buchanan #5HH | 7,800 | 49736749 |
| 675453 | Nov 24, 2008 | Nov 24, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Buchanan #6HH | 7,800 | 49736744 |
| 672430 | Nov 20, 2008 | Nov 20, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Bransom #5HH | 7,730 | 25133361 |
| 675020 | Nov 19, 2008 | Nov 19, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Dozier #4HH | 7,575 | 25133467 |
| 674888 | Nov 17, 2008 | Nov 17, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Dozier #5HH | 7,575 | 25133460 |
| 674814 | Nov 17, 2008 | Nov 17, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Dozier #3HH | 7,575 | 25133456 |
| 674811 | Nov 17, 2008 | Nov 17, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Dozier #2HH | 7,575 | 25133455 |
| 674646 | Nov 15, 2008 | Nov 15, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Duckett #5HH | 7,800 | 25133437 |
| 674571 | Nov 14, 2008 | Nov 14, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Duckett #4HH | 7,800 | 25133435 |
| 674259 | Nov 13, 2008 | Nov 13, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Duckett #3HH | 7,800 | 25133425 |
| 673984 | Nov 7, 2008 | Nov 7, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Duckett #2HH | 7,800 | 25133406 |
| 672496Amendment | Oct 31, 2008 | Oct 31, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Duckett #1HH | 8,500 | 25133363 |
| 673238 | Oct 24, 2008 | Oct 24, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Mint Creek #5HH | 7,545 | 43933891 |
| 673241 | Oct 23, 2008 | Oct 23, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Mint Creek #6HH | 7,550 | 43933893 |
| 673237 | Oct 21, 2008 | Oct 21, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Mint Creek #7HH | 7,550 | 43933892 |
| 660441Amendment | Oct 16, 2008 | Oct 16, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Bransom #3HH | 7,705 | 25132896 |
| 672785 | Oct 15, 2008 | Oct 15, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Bransom South #5HH | 8,120 | 25133378 |
| 672783 | Oct 15, 2008 | Oct 15, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Bransom South #4HH | 8,120 | 25133377 |
| 672496 | Oct 11, 2008 | Oct 11, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Duckett #1HH | 8,500 | 25133363 |
| 669420 | Oct 11, 2008 | Oct 11, 2008 | Williams Prod. Gulf Coast, L.P. | Bosque | Chisholm Trail Ranch #A 4HH | 6,800 | 03530145 |
| 671746 | Oct 4, 2008 | Oct 4, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Crouch Dairy Unit #7HH | 7,600 | 25133341 |
| 671745 | Oct 4, 2008 | Oct 4, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Crouch Diary Unit #6HH | 7,600 | 25133339 |
| 671510 | Oct 4, 2008 | Oct 4, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Mint Creek #4HH | 7,550 | 43933805 |
| 671510Amendment | Oct 4, 2008 | Oct 4, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Mint Creek #4HH | 7,550 | 43933805 |
| 671484 | Oct 4, 2008 | Oct 4, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Mint Creek #3HH | 7,550 | 43933804 |
| 671484Amendment | Oct 4, 2008 | Oct 4, 2008 | Williams Prod. Gulf Coast, L.P. | Tarrant | Mint Creek #3HH | 7,550 | 43933804 |
| 671207 | Oct 1, 2008 | Oct 1, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Cunnius-Wilhite #12HH | 7,715 | 49736647 |
| 671091 | Oct 1, 2008 | Oct 1, 2008 | Williams Prod. Gulf Coast, L.P. | Denton | Sam Wilson 2 Unit #10HH | 8,535 | 12133595 |
| 671091Amendment | Oct 1, 2008 | Oct 1, 2008 | Williams Prod. Gulf Coast, L.P. | Denton | Sam Wilson 2 Unit #10HH | 8,535 | 12133595 |
| 671061 | Oct 1, 2008 | Oct 1, 2008 | Williams Prod. Gulf Coast, L.P. | Denton | Sam Wilson 3 Unit #9HH | 8,534 | 12133594 |
| 671178 | Sep 30, 2008 | Sep 30, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Cunnius-Wilhite #11HH | 7,715 | 49736644 |
| 670801 | Sep 26, 2008 | Sep 26, 2008 | Williams Prod. Gulf Coast, L.P. | Denton | Sam Wilson 3 Unit #8HH | 8,520 | 12133590 |
| 670451 | Sep 23, 2008 | Sep 23, 2008 | Williams Prod. Gulf Coast, L.P. | Denton | Sam Wilson 4 Unit #11HH | 8,524 | 12133585 |
| 669521 | Sep 10, 2008 | Sep 10, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Bransom #4HH | 7,710 | 25133270 |
| 669333 | Sep 6, 2008 | Sep 6, 2008 | Williams Prod. Gulf Coast, L.P. | Bosque | Chisholm Trail Ranch #A 3HH | 6,800 | 03530143 |
| 666194 | Aug 19, 2008 | Aug 19, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Burleson Bible Church #3HH | 7,665 | 25133126 |
| 667517 | Aug 11, 2008 | Aug 11, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Cunnius-Wilhite #10HH | 7,715 | 49736609 |
| 667324 | Aug 9, 2008 | Aug 9, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Whorton #12HH | 7,855 | 49736607 |
| 667090 | Aug 6, 2008 | Aug 6, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Whorton #11HH | 7,800 | 49736604 |
| 661410 | Aug 1, 2008 | Aug 1, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Forest Ridge #2HH | 7,700 | 25132941 |
| 661412 | Jul 25, 2008 | Jul 25, 2008 | Williams Prod. Gulf Coast, L.P. | Johnson | Forest Ridge #1HH | 7,700 | 25132944 |
| 667327 | Jul 23, 2008 | Jul 23, 2008 | Williams Prod. Gulf Coast, L.P. | Wise | Cunnius-Wilhite #9HH | 7,750 | 49736591 |