| 660118 | May 1, 2008 | May 1, 2008 | XTO Energy Inc. | Jacobs Ranch #1328533360 | 13,450 |
| 659963 | May 1, 2008 | May 1, 2008 | Cimarex Energy Co. | Matthews #228533484 | 14,300 |
| 659681 | Apr 28, 2008 | Apr 28, 2008 | Newfield Exploration Company | Tuttle Trust Gas Unit #428533481 | 12,000 |
| 659659 | Apr 28, 2008 | Apr 28, 2008 | El Paso E & P Company, L. P. | Klimitchek #428533482 | 16,000 |
| 659360 | Apr 28, 2008 | Apr 28, 2008 | Suncoast Technical Services Inc | Williams Unit #828533480 | 3,800 |
| 659247 | Apr 25, 2008 | Apr 25, 2008 | Suncoast Technical Services Inc | Williams Unit #728533479 | 3,800 |
| 659032 | Apr 23, 2008 | Apr 23, 2008 | XTO Energy Inc. | Migl-Mitchell #128532538 | 14,950 |
| 658813 | Apr 18, 2008 | Apr 18, 2008 | Cox & Perkins Exploration, Inc. | Andrews et Al #128533477 | 12,700 |
| 658731 | Apr 18, 2008 | Apr 18, 2008 | Crimson Exploration Oper., Inc. | Quinn, Migl #428532574 | 13,800 |
| 656180 | Apr 15, 2008 | Apr 15, 2008 | Little, Lou Operating Co., Inc. | Freeman #528533197 | 3,620 |
| 658558 | Apr 14, 2008 | Apr 14, 2008 | Crimson Exploration Oper., Inc. | Migl-Quinn #928533478 | 15,500 |
| 658551 | Apr 14, 2008 | Apr 14, 2008 | XTO Energy Inc. | Migl-Mitchell #428532609 | 15,000 |
| 658551Amendment | Apr 14, 2008 | Apr 14, 2008 | XTO Energy Inc. | Migl-Mitchell #428532609 | 15,000 |
| 644460Amendment | Apr 11, 2008 | Apr 11, 2008 | Pioneer Natural Res. USA, Inc. | Appelt Gas Unit #1H28533278 | 10,000 |
| 658321 | Apr 10, 2008 | Apr 10, 2008 | El Paso E & P Company, L. P. | Ruebush #128533475 | 17,700 |
| 633271Amendment | Apr 9, 2008 | Apr 9, 2008 | Pioneer Natural Res. USA, Inc. | Mertz Gas Unit 2 #6H28533372 | 17,000 |
| 657894 | Apr 4, 2008 | Apr 4, 2008 | Kebo Oil & Gas, Inc. | West Minerals #128533473 | 3,000 |
| 656415 | Apr 4, 2008 | Apr 4, 2008 | Resaca Resources, L.L.C. | Barnes #128533476 | 6,750 |
| 653840 | Apr 3, 2008 | Apr 3, 2008 | Little, Lou Operating Co., Inc. | Clark #128533474 | 6,400 |
| 652518 | Apr 1, 2008 | Apr 1, 2008 | Little, Lou Operating Co., Inc. | Freeman #328533138 | 3,600 |
| 657515 | Mar 27, 2008 | Mar 27, 2008 | American Pumping & Trucking | Bailey, Iva #228531221 | 3,516 |
| 657117 | Mar 24, 2008 | Mar 24, 2008 | Tgo Operating, LLC | Foxell #128533323 | 3,200 |
| 657108 | Mar 24, 2008 | Mar 24, 2008 | Suncoast Technical Services Inc | Bennett Unit #228533316 | 1,267 |
| 657103 | Mar 24, 2008 | Mar 24, 2008 | Suncoast Technical Services Inc | Bennett Unit #128533317 | 3,349 |
| 656825 | Mar 18, 2008 | Mar 18, 2008 | Northstar Energy, Inc. | Starkey #128533472 | 5,100 |
| 656697 | Mar 13, 2008 | Mar 13, 2008 | Cox & Perkins Exploration, Inc. | Fishbeck #228533471 | 2,900 |
| 656665 | Mar 13, 2008 | Mar 13, 2008 | Weiser-Brown Operating Company | Viking #128533470 | 11,500 |
| 656665Amendment | Mar 13, 2008 | Mar 13, 2008 | Weiser-Brown Operating Company | Viking #128533470 | 12,500 |
| 656623 | Mar 13, 2008 | Mar 13, 2008 | Kaler Energy Corp. | Davidson #228533469 | 12,200 |
| 656623Amendment | Mar 13, 2008 | Mar 13, 2008 | Kaler Energy Corp. | Davidson #228533469 | 12,200 |
| 656178 | Mar 10, 2008 | Mar 10, 2008 | Big Lake Corporation | Yegua East #128533119 | 5,500 |
| 655514Amendment | Mar 7, 2008 | Mar 7, 2008 | Trio Consulting & Management,llc | Waterhole Creek #128533467 | 13,300 |
| 656022 | Mar 6, 2008 | Mar 6, 2008 | Ken Petroleum Corporation | Gerdes Unit #528533468 | 11,500 |
| 655514 | Feb 28, 2008 | Feb 28, 2008 | Trio Consulting & Management,llc | Evans-Hermes #128533467 | 13,300 |
| 655515 | Feb 25, 2008 | Feb 25, 2008 | Trio Consulting & Management,llc | Wolf-Cowling "A" #228533466 | 11,500 |
| 655515Amendment | Feb 25, 2008 | Feb 25, 2008 | Trio Consulting & Management,llc | Wolf-Cowling "A" #228533466 | 11,500 |
| 655390 | Feb 25, 2008 | Feb 25, 2008 | El Paso E & P Company, L. P. | Harvey Renger Gas Unit #0728533465 | 16,500 |
| 655390Amendment | Feb 25, 2008 | Feb 25, 2008 | El Paso E & P Company, L. P. | Harvey Renger Gas Unit #0728533465 | 16,500 |
| 655100 | Feb 21, 2008 | Feb 21, 2008 | Hunt Oil Company | Tuttle A-129 #128533180 | 17,145 |
| 655100Amendment | Feb 21, 2008 | Feb 21, 2008 | Hunt Oil Company | Tuttle A-129 #128533180 | 17,145 |
| 655035 | Feb 20, 2008 | Feb 20, 2008 | U.S. Enercorp, Ltd. | Kucera-Nitsch Unit #128533463 | 11,000 |
| 655035Amendment | Feb 20, 2008 | Feb 20, 2008 | U.S. Enercorp, Ltd. | Kucera-Nitsch Unit #128533463 | 11,000 |
| 654701 | Feb 19, 2008 | Feb 19, 2008 | El Paso E & P Company, L. P. | Roden GU 1 #0528533464 | 16,500 |
| 654846 | Feb 15, 2008 | Feb 15, 2008 | Kenne Exploration, Inc. | Roden #228533462 | 1,950 |
| 654382 | Feb 9, 2008 | Feb 9, 2008 | Whitehead Prod. Co., Inc. | Drabek #128533460 | 10,000 |
| 653232 | Feb 9, 2008 | Feb 9, 2008 | Petra Oleum Corp. | Gordon #228533456 | 6,400 |
| 651197 | Feb 9, 2008 | Feb 9, 2008 | Lgdc Corporation | Fat Tire #128533461 | 15,000 |
| 651197Amendment | Feb 9, 2008 | Feb 9, 2008 | Lgdc Corporation | Fat Tire #128533461 | 15,000 |
| 654205 | Feb 7, 2008 | Feb 7, 2008 | Lgdc Corporation | Shiner #128533459 | 5,000 |
| 654205Amendment | Feb 7, 2008 | Feb 7, 2008 | Lgdc Corporation | Shiner #128533459 | 5,000 |
| 654022 | Feb 6, 2008 | Feb 6, 2008 | Bepco, L.P. | Bonorden Gas Unit #528533458 | 10,000 |
| 654022Amendment | Feb 6, 2008 | Feb 6, 2008 | Bopco, L.P. | Bonorden Gas Unit #528533458 | 10,000 |
| 653910 | Feb 4, 2008 | Feb 4, 2008 | El Paso E & P Company, L. P. | Rodgers GU 1 #328533457 | 17,000 |
| 653910Amendment | Feb 4, 2008 | Feb 4, 2008 | El Paso E & P Company, L. P. | Rodgers GU 1 #328533457 | 17,000 |
| 652280 | Jan 10, 2008 | Jan 10, 2008 | Willstar Energy GP, LLC | Eichhorn #128533455 | 17,000 |
| 651767 | Jan 4, 2008 | Jan 4, 2008 | Abraxas Petroleum Corporation | Henson Gas Unit #3HH28533451 | 14,200 |
| 650854 | Jan 4, 2008 | Jan 4, 2008 | Little, Lou Operating Co., Inc. | Meitzen #128533453 | 3,700 |
| 650854Amendment | Jan 4, 2008 | Jan 4, 2008 | Little, Lou Operating Co., Inc. | Meitzen #128533453 | 5,200 |
| 648419 | Jan 3, 2008 | Jan 3, 2008 | Hunt Oil Company | Stovall Trust A483 #128533254 | 17,325 |
| 651828 | Dec 31, 2007 | Dec 31, 2007 | Northstar Energy, Inc. | Gaudette #228533452 | 5,100 |
| 651671 | Dec 21, 2007 | Dec 21, 2007 | El Paso E & P Company, L. P. | Roden Gas Unit 1 #428533454 | 16,500 |
| 651347 | Dec 20, 2007 | Dec 20, 2007 | Pioneer Natural Res. USA, Inc. | Mertz Gas Unit NO 2 #5H28533449 | 17,000 |
| 651347Amendment | Dec 20, 2007 | Dec 20, 2007 | Pioneer Natural Res. USA, Inc. | Mertz Gas Unit NO 2 #5H28533449 | 17,000 |
| 651456 | Dec 19, 2007 | Dec 19, 2007 | Cox & Perkins Exploration, Inc. | Fishbeck #128533450 | 8,300 |
| 651173 | Dec 19, 2007 | Dec 19, 2007 | Abraxas Petroleum Corporation | Henson Gas Unit #4HH28533448 | 14,200 |
| 651118 | Dec 17, 2007 | Dec 17, 2007 | Sharon Resources, Inc. | Robertson #128533447 | 14,500 |
| 651018 | Dec 15, 2007 | Dec 15, 2007 | Newfield Exploration Company | Neuhaus, E.T. #128532758 | 13,760 |
| 650484 | Dec 8, 2007 | Dec 8, 2007 | Cox & Perkins Exploration, Inc. | Evans #128533445 | 10,400 |
| 650484Amendment | Dec 8, 2007 | Dec 8, 2007 | Cox & Perkins Exploration, Inc. | Evans Gas Unit #128533445 | 9,491 |
| 650732 | Dec 7, 2007 | Dec 7, 2007 | Northstar Energy, Inc. | Brown-Lampley #128533446 | 7,500 |
| 649745 | Dec 3, 2007 | Dec 3, 2007 | New Century Exploration, Inc. | Hermes #128533443 | 10,000 |
| 649928 | Nov 28, 2007 | Nov 28, 2007 | Pioneer Natural Res. USA, Inc. | Appelt Gas Unit #3H28533444 | 17,000 |
| 649481 | Nov 16, 2007 | Nov 16, 2007 | Eei Operating Inc. | Klimitchek #2A28533442 | 1,300 |
| 649481Amendment | Nov 16, 2007 | Nov 16, 2007 | Eei Operating Inc. | Klimitchek #2A28533442 | 1,300 |
| 648724 | Nov 6, 2007 | Nov 6, 2007 | Broad Oak Energy, Inc. | HNH Gas Unit #128533441 | 16,000 |
| 648724Amendment | Nov 6, 2007 | Nov 6, 2007 | Broad Oak Energy, Inc. | HNH Gas Unit #1HH28533441 | 16,000 |
| 648451 | Oct 31, 2007 | Oct 31, 2007 | Winn Exploration Co., Inc. | Baker #128533437 | 15,000 |
| 647425 | Oct 31, 2007 | Oct 31, 2007 | Little, Lou Operating Co., Inc. | Myers #128533438 | 3,700 |
| 646728 | Oct 31, 2007 | Oct 31, 2007 | Little, Lou Operating Co., Inc. | Spanish Bit #128533440 | 3,600 |
| 646728Amendment | Oct 31, 2007 | Oct 31, 2007 | Little, Lou Operating Co., Inc. | Spanish Bit #128533440 | 3,600 |
| 645920 | Oct 29, 2007 | Oct 29, 2007 | Main Energy, Inc. | Marek #128533439 | 10,500 |
| 648048 | Oct 23, 2007 | Oct 23, 2007 | Eei Operating Inc. | Klimitchek #328533436 | 2,250 |
| 648048Amendment | Oct 23, 2007 | Oct 23, 2007 | Eei Operating Inc. | Klimitchek "A" #328533436 | 2,250 |
| 648000 | Oct 22, 2007 | Oct 22, 2007 | Newfield Exploration Company | Ayraud #128532590 | 7,512 |
| 646241 | Oct 18, 2007 | Oct 18, 2007 | Dewbre Petroleum Corporation | Klimitchek #128533427 | 8,200 |
| 647621 | Oct 17, 2007 | Oct 17, 2007 | Suncoast Technical Services Inc | Goodrich Unit #128533203 | 3,000 |
| 647365 | Oct 12, 2007 | Oct 12, 2007 | Newfield Exploration Company | Golden Rod Gas Unit #128533434 | 17,000 |
| 647002 | Oct 12, 2007 | Oct 12, 2007 | Lgdc Corporation | Bass #00128533435 | 10,000 |
| 647193 | Oct 8, 2007 | Oct 8, 2007 | Weiser-Brown Operating Company | Debord #128533432 | 8,100 |
| 647193Amendment | Oct 8, 2007 | Oct 8, 2007 | Weiser-Brown Operating Company | Debord #128533432 | 8,100 |
| 647148 | Oct 8, 2007 | Oct 8, 2007 | Trio Consulting & Management,llc | Hermes #128533431 | 11,500 |
| 647145 | Oct 8, 2007 | Oct 8, 2007 | Dewbre Petroleum Corporation | French Estate #128533430 | 15,000 |
| 646866 | Oct 8, 2007 | Oct 8, 2007 | El Paso E & P Company, L. P. | Rodgers Gas Unit NO.1 #228533433 | 16,700 |
| 645642 | Oct 4, 2007 | Oct 4, 2007 | Ads | Fitch #128532770 | 4,712 |
| 646808 | Oct 1, 2007 | Oct 1, 2007 | Unit Petroleum Company | Turner Gas Unit #328533256 | 10,700 |
| 646659 | Oct 1, 2007 | Oct 1, 2007 | Eei Operating Inc. | Klimitchek Hobbs #1A28533429 | 2,350 |
| 644739 | Sep 24, 2007 | Sep 24, 2007 | Little, Lou Operating Co., Inc. | Walker #128533428 | 3,600 |
| 645971 | Sep 17, 2007 | Sep 17, 2007 | Eei Operating Inc. | Hobbs #128533426 | 2,300 |
| 645938 | Sep 14, 2007 | Sep 14, 2007 | Kenne Exploration, Inc. | Roden #128533425 | 2,600 |
| 643818 | Sep 7, 2007 | Sep 7, 2007 | Sabco Operating Company | Borchers, William #2728530691 | 4,318 |