| Randee Fawcett Trust #742-435-35526 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,500 | Oct 27, 2005 | — | — |
| Cusenbary 59 #442-435-37640 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Oct 27, 2005 | — | — |
| Espy #142-435-37002 | Rlo Partnership only | Sutton, TXSonora SE. (Canyon Reef) | PluggedGas | 7,000 | Oct 20, 2005 | — | — |
| Friend Joe Estate a #7025X42-435-37639 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,166 | Oct 20, 2005 | — | — |
| Mayer 21 #1642-435-37611 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Oct 18, 2005 | — | — |
| Mayer 21 #1542-435-37612 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,655 | Oct 18, 2005 | — | — |
| Mayer 21 #1742-435-37613 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,660 | Oct 18, 2005 | — | — |
| Vallant L. R. #1842-435-37605 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,822 | Oct 17, 2005 | — | — |
| Valliant L. R. #2642-435-37608 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,900 | Oct 17, 2005 | — | — |
| Valliant L. R. #1542-435-37609 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,932 | Oct 17, 2005 | — | — |
| Valliant L. R. #2242-435-37610 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,760 | Oct 17, 2005 | — | — |
| Reed 100 #1742-435-37635 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,369 | Oct 17, 2005 | — | — |
| Cusenbary 59 #342-435-37636 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,863 | Oct 17, 2005 | — | — |
| Fawcett Bobbie H. #1942-435-37637 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,655 | Oct 17, 2005 | — | — |
| Cusenbary 59 #642-435-37638 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,714 | Oct 17, 2005 | — | — |
| Hill-Fawcett Randee Trust C #342-435-37633 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,800 | Oct 14, 2005 | — | — |
| Hill-Fawcett Randee Trust C #442-435-37634 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,804 | Oct 14, 2005 | — | — |
| Cusenbary 59 #542-435-37629 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,820 | Oct 13, 2005 | — | — |
| Davis E #1742-435-37631 | Upp Operating LLC only | Sutton, TXFawcett (Wolfcamp) | ActiveGas | 6,300 | Oct 13, 2005 | — | — |
| Randee Fawcett Trust #1542-435-37632 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,793 | Oct 13, 2005 | — | — |
| Randee Fawcett Trust #2542-435-37628 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,792 | Oct 12, 2005 | — | — |
| Professor #142-435-37630 | Staley Operating Co.permitted by · no operator of record | Sutton, TXInterstate (Canyon) | Plugged | 3,500 | Oct 12, 2005 | — | — |
| Mayer 21 #1442-435-37597 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,656 | Oct 11, 2005 | — | — |
| Mayer 4 Ltd #142-435-37623 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,800 | Oct 10, 2005 | — | — |
| Hill-Mayer Edwin S. Jr. O #542-435-37624 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,100 | Oct 10, 2005 | — | — |
| Mayer 20A #342-435-37625 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,690 | Oct 10, 2005 | — | — |
| Mayer 20A #242-435-37626 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,676 | Oct 10, 2005 | — | — |
| Mayer 20A #142-435-37627 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,700 | Oct 10, 2005 | — | — |
| Shurley RR9 #342-435-37606 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,047 | Oct 6, 2005 | — | — |
| Mayer Ranch E #642-435-37622 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,155 | Oct 6, 2005 | — | — |
| Davis F #1842-435-37619 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,900 | Sep 30, 2005 | — | — |
| Davis #1842-435-37620 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,100 | Sep 30, 2005 | — | — |
| Mayfield 39 #1642-435-36190 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,718 | Sep 29, 2005 | — | — |
| Mayer Edwin S. Jr. #2842-435-37587 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,150 | Sep 29, 2005 | — | — |
| Shurly 96 #1842-435-37621 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,250 | Sep 29, 2005 | — | — |
| Hill-Mayer Edwin S Jr S #542-435-37616 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,195 | Sep 28, 2005 | — | — |
| Hill-Mayer Edwin S. Jr. P #542-435-37614 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,179 | Sep 23, 2005 | — | — |
| Hill-Mayer Edwin S. Jr. P #442-435-37615 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,470 | Sep 23, 2005 | — | — |
| Fields 16 #1942-435-37607 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,006 | Sep 22, 2005 | — | — |
| Hill-Mayer Edwins. Jr. I #542-435-37604 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,031 | Sep 20, 2005 | — | — |
| Fields 14 #1042-435-37600 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 6,250 | Sep 19, 2005 | — | — |
| Fields 15 #1842-435-37602 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,900 | Sep 19, 2005 | — | — |
| Fields 16 #1642-435-37603 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,010 | Sep 19, 2005 | — | — |
| Shurley RR 6 #242-435-37589 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,419 | Sep 15, 2005 | — | — |
| Shurley RR 1A #342-435-37596 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,500 | Sep 14, 2005 | — | — |
| Shurley RR 2A #642-435-37598 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,129 | Sep 14, 2005 | — | — |
| Shurley RR 2A #242-435-37599 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,100 | Sep 14, 2005 | — | — |
| Canyon Ranch 115 #20S42-435-37588 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,603 | Sep 13, 2005 | — | — |
| Shurley RR 10 #242-435-37590 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,854 | Sep 13, 2005 | — | — |
| Shurley RR 7 #342-435-37592 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,039 | Sep 13, 2005 | — | — |