| 639653Amendment | May 31, 2007 | May 31, 2007 | XTO Energy Inc. | A. Gilmer Estate #1 | 15,700 | 36130864 |
| 638370 | May 12, 2007 | May 12, 2007 | Samson Lone Star LP | Powell Lumber #1 | 9,400 | 36130863 |
| 637967 | May 8, 2007 | May 8, 2007 | Zachry Exploration, Ltd. | Sauls #1 | 9,500 | 36130843 |
| 637492 | Apr 30, 2007 | Apr 30, 2007 | Dominion Expl. & Prod., Inc. | Head #1 | 14,500 | 36130862 |
| 637492Amendment | Apr 30, 2007 | Apr 30, 2007 | XTO Energy Inc. | Head #1 | 14,500 | 36130862 |
| 635926 | Apr 6, 2007 | Apr 6, 2007 | Hilcorp Energy Company | Mil-Vid #4ST | 13,915 | 36130629 |
| 634623 | Mar 26, 2007 | Mar 26, 2007 | Hilcorp Energy Company | Mil-Vid #11 | 15,500 | 36130861 |
| 630243 | Dec 11, 2006 | Dec 11, 2006 | Benchmark Oil & Gas Company | Gulf Fee #B 1 | 6,900 | 36130860 |
| 629146 | Dec 4, 2006 | Dec 4, 2006 | Bend Petroleum Corp. | Stark #17 | 6,900 | 36130859 |
| 629763 | Dec 1, 2006 | Dec 1, 2006 | Benchmark Oil & Gas Company | Sun Oil Company et Al #B 2 | 6,300 | 36130858 |
| 629341 | Nov 30, 2006 | Nov 30, 2006 | Southern Bay Operating, L.L.C. | Fitzhugh et Al #1 | 8,600 | 36130857 |
| 629341Amendment | Nov 30, 2006 | Nov 30, 2006 | Southern Bay Operating, L.L.C. | Fitzhugh et Al #1 | 8,800 | 36130857 |
| 629231 | Nov 17, 2006 | Nov 17, 2006 | Benchmark Oil & Gas Company | Frank Granger #B 1 | 6,000 | 36130856 |
| 629063 | Nov 16, 2006 | Nov 16, 2006 | Century Exploration Houston, Inc | Stark Foundation 'A-199' #1 | 8,700 | 36130855 |
| 628485 | Nov 3, 2006 | Nov 3, 2006 | Century Exploration Houston, Inc | BP America 'A-19' #1 | 8,000 | 36130854 |
| 628190 | Oct 27, 2006 | Oct 27, 2006 | Benchmark Oil & Gas Company | Norwood Heirs-Lafleur Unit #1 | 7,500 | 36130853 |
| 628190Amendment | Oct 27, 2006 | Oct 27, 2006 | Benchmark Oil & Gas Company | Norwood Heirs-Lafleur Unit #1 | 7,500 | 36130853 |
| 628010 | Oct 25, 2006 | Oct 25, 2006 | Noble Energy Inc | Richardson #1 | 15,850 | 36130795 |
| 627816 | Oct 23, 2006 | Oct 23, 2006 | Century Exploration Houston, Inc | BP America 'A-101' #1 | 7,900 | 36130852 |
| 626936 | Oct 3, 2006 | Oct 3, 2006 | Matador Production Company | Olson, Karl #1 | 10,000 | 36130851 |
| 625433 | Sep 6, 2006 | Sep 6, 2006 | Benchmark Oil & Gas Company | Cora Granger, Etal #B 1 | 6,700 | 36130850 |
| 623572 | Sep 1, 2006 | Sep 1, 2006 | Lake Ronel Oil Company | Longley #1 | 10,200 | 36130847 |
| 624848 | Aug 24, 2006 | Aug 24, 2006 | Matador Production Company | Walter Fister #1 | 12,000 | 36130849 |
| 624284 | Aug 15, 2006 | Aug 15, 2006 | Benchmark Oil & Gas Company | Sun Oil Company Etal #B 1 | 6,000 | 36130848 |
| 624284Amendment | Aug 15, 2006 | Aug 15, 2006 | Benchmark Oil & Gas Company | Sun Oil Company Etal #B 1 | 6,200 | 36130848 |
| 624078 | Aug 9, 2006 | Aug 9, 2006 | Samson Lone Star LP | Hannah #1 | 14,275 | 36130837 |
| 621994 | Jul 7, 2006 | Jul 7, 2006 | Hilcorp Energy Company | Champion International #1 | 16,017 | 36130622 |
| 621994Amendment | Jul 7, 2006 | Jul 7, 2006 | Hilcorp Energy Company | Champion International #1 | 16,017 | 36130622 |
| 619265 | May 15, 2006 | May 15, 2006 | Dominion Oklahoma Texas E&P, Inc | Port of Orange-Stark Foundation #1 | 13,602 | 36130846 |
| 617365 | Apr 17, 2006 | Apr 17, 2006 | Cavalry Resources LLC | Mil-Vid #1 | 14,500 | 36130638 |
| 617374 | Apr 11, 2006 | Apr 11, 2006 | Matador Production Company | Echo #1 | 11,000 | 36130845 |
| 617374Amendment | Apr 11, 2006 | Apr 11, 2006 | Matador Production Company | Echo #1 | 11,000 | 36130845 |
| 616679 | Apr 3, 2006 | Apr 3, 2006 | T-N-T Engineering, Inc. | Morgan's Bluff Hackberry Unit #P 17 | 8,900 | 36130844 |
| 616417 | Mar 27, 2006 | Mar 27, 2006 | Zachry Exploration, Ltd. | Sauls #1 | 9,500 | 36130843 |
| 616403 | Mar 24, 2006 | Mar 24, 2006 | Dominion Oklahoma Texas E&P, Inc | Sic Odom #1 | 16,700 | 36130842 |
| 614457 | Feb 27, 2006 | Feb 27, 2006 | Kilmarnock Oil Company, Inc. | Winfree, William #11 | 4,300 | 36130841 |
| 614594 | Feb 23, 2006 | Feb 23, 2006 | Cavalry Resources LLC | Mil Vid #7 | 14,500 | 36130648 |
| 613918 | Feb 10, 2006 | Feb 10, 2006 | Raptor Resources, Inc. | Satsuma #1 | 6,000 | 36130840 |
| 613916 | Feb 10, 2006 | Feb 10, 2006 | Raptor Resources, Inc. | Burnt Orange #5 | 6,000 | 36130839 |
| 613234 | Jan 30, 2006 | Jan 30, 2006 | Dominion Expl. & Prod., Inc. | Port of Orange-Brown #1 | 12,000 | 36130838 |
| 613234Amendment | Jan 30, 2006 | Jan 30, 2006 | Dominion Oklahoma Texas E&P, Inc | Port of Orange-Brown #1 | 12,000 | 36130838 |
| 609894 | Nov 22, 2005 | Nov 22, 2005 | Samson Lone Star LP | Hannah #1 | 16,000 | 36130837 |
| 609894Amendment | Nov 22, 2005 | Nov 22, 2005 | Samson Lone Star LP | Hannah #1 | 16,000 | 36130837 |
| 609791 | Nov 18, 2005 | Nov 18, 2005 | Dominion Expl. & Prod., Inc. | Donner Gas Unit #1 | 9,000 | 36130836 |
| 608901 | Nov 3, 2005 | Nov 3, 2005 | Matador Production Company | Margot #1 | 9,000 | 36130835 |
| 601561 | Jun 3, 2005 | Jun 3, 2005 | Peoples Energy Prod.-TX, L.P. | Vastar 2A Unit #2 | 11,300 | 36130834 |
| 559375 | Apr 26, 2005 | Apr 26, 2005 | Brammer Engineering, Inc. | Chandler-Cow Bayou Unit 1 #1 | 7,800 | 36130832 |
| 560742 | Apr 19, 2005 | Apr 19, 2005 | Lake Ronel Oil Company | Humble Island #1 | 12,400 | 36130833 |
| 558248 | Feb 25, 2005 | Feb 25, 2005 | Texakota Inc. | Lutcher Starks Foundation #1 | 12,800 | 36130831 |
| 558248Amendment | Feb 25, 2005 | Feb 25, 2005 | Texakota Inc. | Lutcher Starks Foundation #1 | 12,800 | 36130831 |
| 557206 | Feb 5, 2005 | Feb 5, 2005 | Raptor Resources, Inc. | Orange Crush #2 | 6,000 | 36130829 |
| 557205 | Feb 3, 2005 | Feb 3, 2005 | Raptor Resources, Inc. | Free Ride #1 | 6,000 | 36130830 |
| 556592 | Jan 27, 2005 | Jan 27, 2005 | Kilmarnock Oil Company, Inc. | Mc Lean, Marrs A #6 | 3,800 | 36130828 |
| 554696 | Dec 22, 2004 | Dec 22, 2004 | Matador Production Company | Donda #1 | 10,000 | 36130827 |
| 553677 | Nov 18, 2004 | Nov 18, 2004 | Lake Ronel Oil Company | Hawk Club #1 | 11,500 | 36130818 |
| 553230 | Nov 4, 2004 | Nov 4, 2004 | Peoples Energy Prod.-TX, L.P. | Vastar 1A Unit #2 | 10,750 | 36130797 |
| 553176 | Nov 3, 2004 | Nov 3, 2004 | Lake Ronel Oil Company | Cormier Cow Bayou State #1 | 7,658 | 36130764 |
| 552063 | Oct 8, 2004 | Oct 8, 2004 | Lake Ronel Oil Company | Ashworth #1 | 10,700 | 36130826 |
| 550271 | Aug 30, 2004 | Aug 30, 2004 | Raptor Resources, Inc. | Tangerine #1 | 10,000 | 36130825 |
| 547413 | Jun 24, 2004 | Jun 24, 2004 | Range Production Company | Loyd C. Smith et al Gas Unit #2 | 15,000 | 36130824 |
| 547159 | Jun 18, 2004 | Jun 18, 2004 | Lake Ronel Oil Company | Round Bunch #1 | 10,500 | 36130823 |
| 546050 | May 24, 2004 | May 24, 2004 | Lake Ronel Oil Company | West Jett #1 | 10,500 | 36130822 |
| 546050Amendment | May 24, 2004 | May 24, 2004 | Lake Ronel Oil Company | West Jett #1 | 10,500 | 36130822 |
| 545846 | May 18, 2004 | May 18, 2004 | Raptor Resources, Inc. | Tang #1 | 9,000 | 36130821 |
| 545385 | May 10, 2004 | May 10, 2004 | Aroc (Texas) Inc. | H. J. Kuhn Tract 1 #42 | 2,631 | 36101394 |
| 544936 | Apr 26, 2004 | Apr 26, 2004 | Legend Natural Gas, LP | Kirkland #1 | 14,900 | 36130820 |
| 544788 | Apr 22, 2004 | Apr 22, 2004 | Raptor Resources, Inc. | OJ #1 | 6,000 | 36130819 |
| 544274 | Apr 9, 2004 | Apr 9, 2004 | Lake Ronel Oil Company | Hawk Club #1 | 13,000 | 36130818 |
| 542868 | Mar 5, 2004 | Mar 5, 2004 | Raptor Resources, Inc. | Sunkist #1 | 6,000 | 36130817 |
| 542525 | Feb 26, 2004 | Feb 26, 2004 | Aminex USA, Inc. | Norwood, S. J. #1 | 7,300 | 36130816 |
| 542431 | Feb 24, 2004 | Feb 24, 2004 | Lake Ronel Oil Company | Jett #1 | 10,100 | 36130815 |
| 542431Amendment | Feb 24, 2004 | Feb 24, 2004 | Lake Ronel Oil Company | Jett #1 | 10,100 | 36130815 |
| 539370 | Jan 7, 2004 | Jan 7, 2004 | Neg Operating LLC | State Tract 8 #2 | 11,991 | 36130438 |
| 539598 | Dec 18, 2003 | Dec 18, 2003 | Caskids Operating Company | Cormier #1 | 9,000 | 36130812 |
| 539718 | Dec 16, 2003 | Dec 16, 2003 | Raptor Resources, Inc. | Orange Crush #1 | 6,000 | 36130814 |
| 539717 | Dec 15, 2003 | Dec 15, 2003 | Raptor Resources, Inc. | Fanta #1 | 6,000 | 36130813 |
| 538897 | Nov 26, 2003 | Nov 26, 2003 | Noble Energy Inc | Richardson #1 | 9,172 | 36130795 |
| 537524 | Oct 21, 2003 | Oct 21, 2003 | Lake Ronel Oil Company | Powell Lumber Company #1 | 9,900 | 36130811 |
| 536986 | Sep 30, 2003 | Sep 30, 2003 | Range Production Company | Loyd C. Smith et Al #1 | 15,225 | 36130810 |
| 536210 | Sep 9, 2003 | Sep 9, 2003 | Legend Natural Gas, LP | Quinn, B. E. #5 | 14,900 | 36130809 |
| 535883 | Aug 29, 2003 | Aug 29, 2003 | Aminex USA, Inc. | South Granger #1 | 6,000 | 36130808 |
| 535643 | Aug 21, 2003 | Aug 21, 2003 | Noble Energy Inc | Stark Foundation #2 | 14,500 | 36130807 |
| 535171 | Aug 14, 2003 | Aug 14, 2003 | Harper, Wayne | Stark #16 | 5,000 | 36130806 |
| 534225 | Jul 28, 2003 | Jul 28, 2003 | Harper, Wayne | Stark #18 | 3,900 | 36130804 |
| 534225Amendment | Jul 28, 2003 | Jul 28, 2003 | Bend Petroleum Corp. | Stark #18 | 4,000 | 36130804 |
| 534225Amendment | Jul 28, 2003 | Jul 28, 2003 | Bend Petroleum Corp. | Stark #18 | 3,505 | 36130804 |
| 534418 | Jul 21, 2003 | Jul 21, 2003 | Azimuth Energy, LLC | White River #1 | 8,700 | 36130805 |
| 534418Amendment | Jul 21, 2003 | Jul 21, 2003 | Azimuth Energy, LLC | White River #1 | 8,380 | 36130805 |
| 533111 | Jul 9, 2003 | Jul 9, 2003 | Brown, Geo. R Partnership,lp,the | Saenger #15 | 11,000 | 36130748 |
| 533799 | Jul 2, 2003 | Jul 2, 2003 | Centennial Oil & Gas Invest, Ltd | State - McFaddin, et Al #1 | 10,500 | 36130803 |
| 533799Amendment | Jul 2, 2003 | Jul 2, 2003 | Centennial Oil & Gas Invest, Ltd | State - McFaddin, et Al #1 | 13,000 | 36130803 |
| 533725 | Jul 1, 2003 | Jul 1, 2003 | Raptor Resources, Inc. | Burnt Orange #4 | 6,000 | 36130802 |
| 533725Amendment | Jul 1, 2003 | Jul 1, 2003 | Raptor Resources, Inc. | Burnt Orange #4 | 6,000 | 36130802 |
| 533724 | Jul 1, 2003 | Jul 1, 2003 | Raptor Resources, Inc. | Burnt Orange #3 | 6,000 | 36130801 |
| 532862 | Jun 9, 2003 | Jun 9, 2003 | Raptor Resources, Inc. | Burnt Orange #2 | 6,000 | 36130800 |
| 530216 | Apr 2, 2003 | Apr 2, 2003 | Raptor Resources, Inc. | Burnt Orange #1H | 5,000 | 36130799 |
| 530216Amendment | Apr 2, 2003 | Apr 2, 2003 | Raptor Resources, Inc. | Burnt Orange #1 | 6,000 | 36130799 |
| 529360 | Mar 10, 2003 | Mar 10, 2003 | Reef Exploration, Inc. (A-1) | Gonzales, Rita #2 | 14,300 | 36130798 |
| 527216 | Feb 5, 2003 | Feb 5, 2003 | Peoples Energy Prod.-TX, L.P. | Vastar 1A Unit #2 | 11,000 | 36130797 |
| 524689 | Oct 16, 2002 | Oct 16, 2002 | Samedan Oil Corporation | Richardson #1 | 16,050 | 36130795 |