| 638849 | May 18, 2007 | May 18, 2007 | Erg Resources, L.L.C. | Kirby Pet. Co. -B- #44 | 5,800 | 07132356 |
| 637950 | May 8, 2007 | May 8, 2007 | Erg Resources, L.L.C. | Wilburn, J. F. "B" #6 | 5,500 | 07100468 |
| 638018 | May 7, 2007 | May 7, 2007 | Elliott Oil & Gas Operating Co. | Kahla-Jones #1 | 9,000 | 07103282 |
| 638018Amendment | May 7, 2007 | May 7, 2007 | Elliott Oil & Gas Operating Co. | Kahla-Jones #1 | 6,700 | 07103282 |
| 638015 | May 7, 2007 | May 7, 2007 | Erg Resources, L.L.C. | State Tract 126 #5 | 6,700 | 07132355 |
| 633665 | Apr 11, 2007 | Apr 11, 2007 | Yuma E & P Company, Inc. | Nelson et Al #1 | 10,600 | 07132352 |
| 636019 | Apr 2, 2007 | Apr 2, 2007 | New Century Exploration, Inc. | Wells, Ruby #1 | 6,500 | 07132354 |
| 635965 | Apr 2, 2007 | Apr 2, 2007 | New Century Exploration, Inc. | Schwarz #1 | 3,500 | 07132353 |
| 634096 | Mar 13, 2007 | Mar 13, 2007 | Texcal Energy (GP) LLC | Whaley, Bessie #2ST | 10,650 | 07132242 |
| 632902 | Feb 14, 2007 | Feb 14, 2007 | Samson Lone Star LP | Bandera #1 | 11,505 | 07132319 |
| 631416 | Jan 18, 2007 | Jan 18, 2007 | National Offshore LP | State Tract 74 #11 | 12,600 | 07132351 |
| 631176 | Dec 29, 2006 | Dec 29, 2006 | Erg Resources, L.L.C. | Wilburn "D" #12 | 6,000 | 07132350 |
| 630253 | Dec 21, 2006 | Dec 21, 2006 | New Century Exploration, Inc. | Seahorse #1 | 4,000 | 07132348 |
| 630714 | Dec 19, 2006 | Dec 19, 2006 | Erg Resources, L.L.C. | Wilburn "C" #9 #11 | 6,000 | 07132349 |
| 629415 | Dec 12, 2006 | Dec 12, 2006 | Rosetta Resources Operating LP | State Tract 100 Unit #2 | 11,000 | 07132305 |
| 629485 | Nov 29, 2006 | Nov 29, 2006 | Elliott Oil & Gas Operating Co. | Morningside College #1 | 6,500 | 07131128 |
| 628346 | Nov 3, 2006 | Nov 3, 2006 | Elliott Oil & Gas Operating Co. | Thornton Unit 2 #1 | 8,800 | 07101998 |
| 627701 | Oct 18, 2006 | Oct 18, 2006 | Energy Reserves Group, L.L.C. | State Tract 126 #2 | 6,502 | 07131127 |
| 627402 | Oct 16, 2006 | Oct 16, 2006 | Masters Oil & Gas, LLC | RFR Tract 224 #24 | 8,702 | 07102905 |
| 627124 | Oct 16, 2006 | Oct 16, 2006 | Masters Oil & Gas, LLC | Galveston Bay State "A" #196 | 9,600 | 07131511 |
| 626528 | Sep 26, 2006 | Sep 26, 2006 | Whitson, James A., Jr. | St 127 #1 | 7,700 | 07132346 |
| 626528Amendment | Sep 26, 2006 | Sep 26, 2006 | Whitson, James A., Jr. | St 127 #1 | 7,800 | 07132346 |
| 626528Amendment | Sep 26, 2006 | Sep 26, 2006 | Whitson, James A., Jr. | St 127 #1 | 7,800 | 07132346 |
| 625833 | Sep 14, 2006 | Sep 14, 2006 | Whitson, James A., Jr. | St 119 #2 | 7,600 | 07132235 |
| 625697 | Sep 12, 2006 | Sep 12, 2006 | Lapis Operating, Inc. | Biggs, Etal #1 | 8,750 | 07132345 |
| 624953 | Aug 25, 2006 | Aug 25, 2006 | Kerr-McGee Oil & Gas Onshore LP | White Estate -A- #14 | 9,520 | 07132219 |
| 624808 | Aug 23, 2006 | Aug 23, 2006 | Lapis Operating, Inc. | Cantrell, et Al #1 | 8,650 | 07132344 |
| 623334 | Aug 22, 2006 | Aug 22, 2006 | Etoco, L.P. | Baber #1 | 11,000 | 07132342 |
| 623741 | Aug 3, 2006 | Aug 3, 2006 | Tempest Energy Resources, LP | State Tract 307 #1 | 15,000 | 07132343 |
| 623741Amendment | Aug 3, 2006 | Aug 3, 2006 | Tempest Energy Resources, LP | State Tract 307 #1 | 15,000 | 07132343 |
| 622868 | Aug 1, 2006 | Aug 1, 2006 | Masters Oil & Gas, LLC | RFR Tract 246 #182 | 11,570 | 07131220 |
| 623149 | Jul 31, 2006 | Jul 31, 2006 | Great Texas Crude Inc. | Gau Unit #1 | 8,500 | 07132341 |
| 620188 | Jul 18, 2006 | Jul 18, 2006 | Etoco, L.P. | Terrell #1 | 11,000 | 07132336 |
| 621521 | Jun 23, 2006 | Jun 23, 2006 | Genesis Producing Company | State Tract 135 South #1 | 12,000 | 07132340 |
| 621451 | Jun 22, 2006 | Jun 22, 2006 | Davis Petroleum Corp. | State Tract 204 #2 | 11,050 | 07132339 |
| 620709 | Jun 9, 2006 | Jun 9, 2006 | Yuma E & P Company, Inc. | Rggs Land & Minerals Unit #3 | 11,600 | 07132338 |
| 620330 | Jun 5, 2006 | Jun 5, 2006 | Kerr-McGee Oil & Gas Onshore LP | White Estate -A- #14 | 9,850 | 07132219 |
| 614147 | Jun 5, 2006 | Jun 5, 2006 | Masters Oil & Gas, LLC | RFR Tract 204 #125 | 9,550 | 07102863 |
| 620382 | Jun 2, 2006 | Jun 2, 2006 | Davis Petroleum Corp. | State Tract 199 #1 | 16,500 | 07132337 |
| 620382Amendment | Jun 2, 2006 | Jun 2, 2006 | Davis Petroleum Corp. | State Tract 199 #1 | 16,500 | 07132337 |
| 620044 | May 26, 2006 | May 26, 2006 | Yuma E & P Company, Inc. | Rggs Land & Minerals #001 | 11,086 | 07132277 |
| 615546 | May 25, 2006 | May 25, 2006 | Puls Operating Company | Boyles Unit #1 | 8,900 | 07132328 |
| 618547 | May 2, 2006 | May 2, 2006 | Denali Oil & Gas Management, LLC | Jackson State 190 #1 | 13,000 | 07132335 |
| 617571 | Apr 13, 2006 | Apr 13, 2006 | Erskine Energy, LLC | S.T. 5-8A #2 | 12,000 | 07132334 |
| 617281 | Apr 11, 2006 | Apr 11, 2006 | Davis Petroleum Corp. | State Tract 308 #1 | 17,000 | 07132333 |
| 617281Amendment | Apr 11, 2006 | Apr 11, 2006 | National Onshore LP | State Tract 308 #1 | 17,000 | 07132333 |
| 616977 | Apr 5, 2006 | Apr 5, 2006 | Texas Petroleum Investment Co. | Broussard - Herbert a/C #1 #38 | 8,145 | 07131472 |
| 616518 | Mar 27, 2006 | Mar 27, 2006 | National Offshore LP | State Tract 72 #1 | 12,500 | 07132331 |
| 616518Amendment | Mar 27, 2006 | Mar 27, 2006 | National Offshore LP | State Tract 72 #1 | 13,100 | 07132331 |
| 616518Amendment | Mar 27, 2006 | Mar 27, 2006 | National Offshore LP | State Tract 72 #1 | 13,100 | 07132331 |
| 616398 | Mar 24, 2006 | Mar 24, 2006 | Noble Energy Inc | Mauboules #1 | 10,600 | 07132330 |
| 615898 | Mar 15, 2006 | Mar 15, 2006 | Magnum Producing, LP | White, C. et Al #1 | 10,000 | 07132329 |
| 615741 | Mar 13, 2006 | Mar 13, 2006 | Kerr-McGee Oil & Gas Onshore LP | Smith, Clara #8 | 8,780 | 07132073 |
| 613265 | Feb 16, 2006 | Feb 16, 2006 | Yuma E & P Company, Inc. | State Tract 69 #1 | 11,950 | 07132223 |
| 613986 | Feb 10, 2006 | Feb 10, 2006 | Kerr-McGee Oil & Gas Onshore LLC | Claypool, Colby #2 | 13,005 | 07132221 |
| 613544 | Feb 6, 2006 | Feb 6, 2006 | Erskine Energy, LLC | State Tract 6-7A #1 | 12,000 | 07132327 |
| 613544Amendment | Feb 6, 2006 | Feb 6, 2006 | Erskine Energy, LLC | State Tract 6-7A #1 | 12,000 | 07132327 |
| 612552 | Jan 23, 2006 | Jan 23, 2006 | Yuma E & P Company, Inc. | Rggs Land & Minerals #1 | 10,613 | 07132277 |
| 612552Amendment | Jan 23, 2006 | Jan 23, 2006 | Yuma E & P Company, Inc. | Rggs Land & Minerals #1 | 11,086 | 07132277 |
| 610913 | Jan 20, 2006 | Jan 20, 2006 | Azimuth Energy, LLC | Cain #1 | 8,010 | 07132254 |
| 612598 | Jan 18, 2006 | Jan 18, 2006 | Davis Petroleum Corp. | State Tract 85 #1 | 11,840 | 07132325 |
| 611607 | Dec 28, 2005 | Dec 28, 2005 | Erskine Energy, LLC | S.T. 5-8A #1 | 12,000 | 07132324 |
| 611607Amendment | Dec 28, 2005 | Dec 28, 2005 | Erskine Energy, LLC | S.T. 5-8A #1 | 12,000 | 07132324 |
| 611607Amendment | Dec 28, 2005 | Dec 28, 2005 | Erskine Energy, LLC | S.T. 5-8A #1 | 12,000 | 07132324 |
| 611318 | Dec 21, 2005 | Dec 21, 2005 | Aspect Energy, LLC | Kahla #1 | 12,275 | 07132323 |
| 610689 | Dec 7, 2005 | Dec 7, 2005 | Kerr-McGee Oil & Gas Onshore LLC | State Tract 178 A #1 | 17,500 | 07132322 |
| 610689Amendment | Dec 7, 2005 | Dec 7, 2005 | Kerr-McGee Oil & Gas Onshore LP | Wilborn et al Gas Unit #1 | 12,019 | 07132322 |
| 609695 | Nov 17, 2005 | Nov 17, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Roose-Smith Unit #1 | 9,900 | 07132321 |
| 609296 | Nov 14, 2005 | Nov 14, 2005 | Azimuth Energy, LLC | State Tract 77 #1 | 10,500 | 07132320 |
| 609175 | Nov 8, 2005 | Nov 8, 2005 | Samson Lone Star LP | Bandera #1 | 14,000 | 07132319 |
| 608326 | Oct 24, 2005 | Oct 24, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Jackson, Felix et Al #78 | 9,500 | 07132318 |
| 607971 | Oct 17, 2005 | Oct 17, 2005 | Davis Petroleum Corp. | State Tract 251 Unit #5 | 14,500 | 07132317 |
| 607971Amendment | Oct 17, 2005 | Oct 17, 2005 | Davis Petroleum Corp. | State Tract 251 Unit #5 | 16,500 | 07132317 |
| 607971Amendment | Oct 17, 2005 | Oct 17, 2005 | Davis Petroleum Corp. | State Tract 251 #5 | 19,000 | 07132317 |
| 607044 | Sep 28, 2005 | Sep 28, 2005 | Energy Reserves Group, L.L.C. | State #1880 | 6,000 | 07132316 |
| 607043 | Sep 28, 2005 | Sep 28, 2005 | Energy Reserves Group, L.L.C. | State #1878 | 4,000 | 07132315 |
| 607043Amendment | Sep 28, 2005 | Sep 28, 2005 | Energy Reserves Group, L.L.C. | State #1878 | 4,000 | 07132315 |
| 607043Amendment | Sep 28, 2005 | Sep 28, 2005 | Energy Reserves Group, L.L.C. | State #1878 | 4,000 | 07132315 |
| 607042 | Sep 28, 2005 | Sep 28, 2005 | Energy Reserves Group, L.L.C. | State #1874 | 3,200 | 07130279 |
| 607042Amendment | Sep 28, 2005 | Sep 28, 2005 | Energy Reserves Group, L.L.C. | State #1874 | 3,200 | 07130279 |
| 606962 | Sep 28, 2005 | Sep 28, 2005 | Falcon Bay Operations, LLC | State Tract 58 #1 | 13,500 | 07132313 |
| 606882 | Sep 27, 2005 | Sep 27, 2005 | Burk Royalty Co., Ltd. | Williams #1 | 9,900 | 07132312 |
| 606882Amendment | Sep 27, 2005 | Sep 27, 2005 | Burk Royalty Co., Ltd. | Williams #1 | 9,900 | 07132312 |
| 606480 | Sep 19, 2005 | Sep 19, 2005 | Kerr-McGee Oil & Gas Onshore LLC | Colby-Claypool #1 | 12,855 | 07130931 |
| 606271 | Sep 14, 2005 | Sep 14, 2005 | Texas Petroleum Investment Co. | Broussard - Hebert #37 | 8,450 | 07131420 |
| 606271Amendment | Sep 14, 2005 | Sep 14, 2005 | Texas Petroleum Investment Co. | Broussard - Hebert #37 | 8,450 | 07131420 |
| 606257 | Sep 13, 2005 | Sep 13, 2005 | Texas Petroleum Investment Co. | Broussard-Hebert #47 | 8,450 | 07131585 |
| 605874 | Sep 6, 2005 | Sep 6, 2005 | St. Mary Energy Company | State Tract 37-A #1 | 13,800 | 07132274 |
| 605686 | Aug 31, 2005 | Aug 31, 2005 | Tempest Energy Resources, LP | McCarthy Family Trust 97 #2 | 12,500 | 07132311 |
| 605686Amendment | Aug 31, 2005 | Aug 31, 2005 | Tempest Energy Resources, LP | McCarthy Family Trust 97 #2 | 12,500 | 07132311 |
| 605554 | Aug 29, 2005 | Aug 29, 2005 | Energy Reserves Group, L.L.C. | State #1879 | 6,000 | 07132126 |
| 605554Amendment | Aug 29, 2005 | Aug 29, 2005 | Energy Reserves Group, L.L.C. | State #1879 | 6,000 | 07132126 |
| 605549 | Aug 26, 2005 | Aug 26, 2005 | Energy Reserves Group, L.L.C. | State #1877 | 4,000 | 07132310 |
| 605549Amendment | Aug 26, 2005 | Aug 26, 2005 | Energy Reserves Group, L.L.C. | State #1877 | 4,000 | 07132310 |
| 605292 | Aug 23, 2005 | Aug 23, 2005 | Yuma E & P Company, Inc. | Yuma E&P Company Inc. et al ST86 #1 | 13,200 | 07132309 |
| 603617 | Aug 22, 2005 | Aug 22, 2005 | Whitson, James A., Jr. | S/T 125 #1 | 6,200 | 07132306 |
| 603617Amendment | Aug 22, 2005 | Aug 22, 2005 | Whitson, James A., Jr. | S/T 125 #1 | 6,200 | 07132306 |
| 604999 | Aug 16, 2005 | Aug 16, 2005 | Etoco, L.P. | Edwards #1R | 12,000 | 07132308 |
| 604463 | Aug 5, 2005 | Aug 5, 2005 | Azimuth Energy, LLC | Clement Unit St #1 | 11,069 | 07132268 |
| 604391 | Aug 5, 2005 | Aug 5, 2005 | Texas Petroleum Investment Co. | Broussard - Hebert a/C 1 #44 | 8,075 | 07131575 |