| 649507 | Nov 16, 2007 | Nov 16, 2007 | Shell Western E&P | Slick, T. B. Estate #198 | 12,600 | 42734192 |
| 649447 | Nov 16, 2007 | Nov 16, 2007 | Coronado Energy E&P Company, LLC | McGill Bros. #614 | 11,500 | 42734191 |
| 649237 | Nov 14, 2007 | Nov 14, 2007 | Shell Western E&P | JFB Heard Estate #1 | 20,000 | 42734190 |
| 649066 | Nov 14, 2007 | Nov 14, 2007 | Thorp Petroleum Corporation | La America, Ltd. #1 | 8,000 | 42734189 |
| 649066Amendment | Nov 14, 2007 | Nov 14, 2007 | Thorp Petroleum Corporation | La America, Ltd. #1 | 8,300 | 42734189 |
| 649026 | Nov 12, 2007 | Nov 12, 2007 | Kebo Oil & Gas, Inc. | Margo, R. E. Heirs #1 | 11,000 | 42734187 |
| 649026Amendment | Nov 12, 2007 | Nov 12, 2007 | Kebo Oil & Gas, Inc. | Margo, R. E. Heirs #1 | 11,000 | 42734187 |
| 649007 | Nov 9, 2007 | Nov 9, 2007 | Kerr-McGee Oil & Gas Onshore LP | Chapotal Land Co. -A- #32 | 8,500 | 42734186 |
| 649007Amendment | Nov 9, 2007 | Nov 9, 2007 | Kerr-McGee Oil & Gas Onshore LP | Chapotal Land Co. -A- #32 | 10,500 | 42734186 |
| 648995 | Nov 9, 2007 | Nov 9, 2007 | Exxon Mobil Corporation | McGill Bros. #472 | 7,000 | 42731499 |
| 648961 | Nov 9, 2007 | Nov 9, 2007 | Kerr-McGee Oil & Gas Onshore LP | De Garcia, B. G. #71 | 9,400 | 42734185 |
| 648957 | Nov 9, 2007 | Nov 9, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #61 | 12,000 | 42734184 |
| 648388 | Nov 8, 2007 | Nov 8, 2007 | Shell Western E&P | Slick, T. B. Estate #190 | 13,500 | 42734188 |
| 648796 | Nov 7, 2007 | Nov 7, 2007 | Kerr-McGee Oil & Gas Onshore LP | Chapotal Land Co. -A- #31 | 8,500 | 42734183 |
| 648758 | Nov 6, 2007 | Nov 6, 2007 | EOG Resources, Inc. | Jones Family #4 | 8,250 | 42734182 |
| 648506 | Nov 1, 2007 | Nov 1, 2007 | Mohican Oil & Gas, L.L.C. | Munoz G. U. #5 | 11,000 | 42734181 |
| 647939 | Oct 19, 2007 | Oct 19, 2007 | EOG Resources, Inc. | Hornaday #1 | 10,000 | 42734179 |
| 647666 | Oct 16, 2007 | Oct 16, 2007 | McDonald & Johnson Resources,llc | Ramirez #1 | 3,500 | 42734178 |
| 647403 | Oct 12, 2007 | Oct 12, 2007 | Shell Western E&P | Slick, T. B. Estate #192 | 11,500 | 42734177 |
| 647346 | Oct 11, 2007 | Oct 11, 2007 | Kerr-McGee Oil & Gas Onshore LP | Montalvo, N. R. #11 | 5,500 | 42731512 |
| 647264 | Oct 9, 2007 | Oct 9, 2007 | McDonald & Johnson Resources,llc | Salinas, et Al #1 | 6,000 | 42733064 |
| 647218 | Oct 9, 2007 | Oct 9, 2007 | Texas Independent Explor Ltd. | Everardo Garza Unit #1 | 10,500 | 42734176 |
| 646827 | Oct 5, 2007 | Oct 5, 2007 | Metano Energy, LP | Valle Grande #1 | 13,000 | 42734175 |
| 646406 | Sep 26, 2007 | Sep 26, 2007 | EOG Resources, Inc. | Nilo GU #5H | 11,250 | 42734174 |
| 646330 | Sep 24, 2007 | Sep 24, 2007 | Shell Western E&P | Slick, T. B. Estate #191 | 12,000 | 42734173 |
| 646194 | Sep 21, 2007 | Sep 21, 2007 | Petrohawk Operating Company | Guerra #D 11 | 6,700 | 42734172 |
| 646063 | Sep 18, 2007 | Sep 18, 2007 | Trap Rock Oil, Ltd. | La Brisa Ranch / State 542 #17 | 5,350 | 42703612 |
| 645964 | Sep 17, 2007 | Sep 17, 2007 | EOG Resources, Inc. | Eia Properties #3 | 10,500 | 42734171 |
| 621494Amendment | Sep 17, 2007 | Sep 17, 2007 | Kerr-McGee Oil & Gas Onshore LP | Alvarez-Hinojosa Gas Unit(lower) #9 | 9,400 | 42733990 |
| 645621 | Sep 7, 2007 | Sep 7, 2007 | Kerr-McGee Oil & Gas Onshore LP | Olivares, A. #22 | 5,030 | 42732467 |
| 645252 | Aug 30, 2007 | Aug 30, 2007 | Shell Western E&P | Emma Pena Gas Unit #3 | 9,500 | 42734170 |
| 645149 | Aug 29, 2007 | Aug 29, 2007 | Shell Western E&P | Slick, T. B. Estate #189 | 14,000 | 42734169 |
| 645076 | Aug 29, 2007 | Aug 29, 2007 | Shell Western E&P | Slick, T. B. Estate 533 #4 | 12,000 | 42734168 |
| 643332 | Aug 28, 2007 | Aug 28, 2007 | Kerr-McGee Oil & Gas Onshore LP | Frost National Bank -A- #15 | 9,000 | 42734157 |
| 644895 | Aug 24, 2007 | Aug 24, 2007 | Trap Rock Oil, Ltd. | La Brisa Ranch / State 542 #13 | 5,400 | 42703608 |
| 644552 | Aug 21, 2007 | Aug 21, 2007 | Forest Oil Corporation | T.B. Slick Estate "B" 536 #233 | 9,000 | 42734082 |
| 644515 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #58 | 12,000 | 42734167 |
| 644513 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #57 | 12,000 | 42734166 |
| 644512 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #56 | 12,000 | 42734165 |
| 644511 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #55 | 12,000 | 42734164 |
| 644510 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #54 | 12,000 | 42734163 |
| 644509 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #53 | 12,000 | 42734162 |
| 644099 | Aug 15, 2007 | Aug 15, 2007 | Trap Rock Oil, Ltd. | La Brisa Ranch 907 #2 | 4,415 | 42732504 |
| 643447 | Aug 13, 2007 | Aug 13, 2007 | Kerr-McGee Oil & Gas Onshore LP | Alvarez #2 | 11,250 | 42734158 |
| 641873 | Aug 10, 2007 | Aug 10, 2007 | BPL Exploration, Ltd. | Share 305 C #1 | 5,142 | 42733312 |
| 643626 | Aug 9, 2007 | Aug 9, 2007 | Shell Western E&P | Slick, T. B. Estate 533 #3 | 11,500 | 42734161 |
| 643629 | Aug 8, 2007 | Aug 8, 2007 | Shell Western E&P | Slick, T. B. Estate #188 | 12,000 | 42734160 |
| 643625 | Aug 8, 2007 | Aug 8, 2007 | Peoples Energy Prod.-TX, L.P. | McGill Bros. #611 | 11,500 | 42734159 |
| 642932 | Aug 1, 2007 | Aug 1, 2007 | EOG Resources, Inc. | Cooper Foundation #6 | 10,500 | 42734156 |
| 642843 | Jul 31, 2007 | Jul 31, 2007 | EOG Resources, Inc. | Southwest Texas Corp. C #10 | 10,250 | 42734155 |
| 642696 | Jul 30, 2007 | Jul 30, 2007 | Kerr-McGee Oil & Gas Onshore LP | Hall, C. M. -A- #12 | 7,100 | 42733348 |
| 642675 | Jul 27, 2007 | Jul 27, 2007 | Newfield Exploration Company | Guerra, F.B. #2 | 14,000 | 42734154 |
| 642587 | Jul 27, 2007 | Jul 27, 2007 | Kerr-McGee Oil & Gas Onshore LP | McKinney, Amanda #34 | 5,040 | 42734031 |
| 642587Amendment | Jul 27, 2007 | Jul 27, 2007 | Kerr-McGee Oil & Gas Onshore LP | McKinney, Amanda #34 | 5,040 | 42734031 |
| 642128 | Jul 19, 2007 | Jul 19, 2007 | Kerr-McGee Oil & Gas Onshore LP | Alvarez-Hinojosa Gas Unit #10 | 9,500 | 42734152 |
| 642113 | Jul 19, 2007 | Jul 19, 2007 | Kerr-McGee Oil & Gas Onshore LP | Alvarez #1 | 8,700 | 42734153 |
| 642053 | Jul 16, 2007 | Jul 16, 2007 | Hamman Oil & Refining Company | Semmes #1 | 12,000 | 42734151 |
| 642053Amendment | Jul 16, 2007 | Jul 16, 2007 | Hamman Oil & Refining Company | Semmes #1 | 11,000 | 42734151 |
| 641525 | Jul 16, 2007 | Jul 16, 2007 | L & B Oil and Gas Equipment, LLC | Yturria L & L #1 | 6,626 | 42731889 |
| 641451 | Jul 16, 2007 | Jul 16, 2007 | EOG Resources, Inc. | Munoz GU A #2 | 8,500 | 42734144 |
| 641855 | Jul 14, 2007 | Jul 14, 2007 | Kerr-McGee Oil & Gas Onshore LP | Garcia L&L Co. -C- #19 | 9,000 | 42734150 |
| 641581 | Jul 12, 2007 | Jul 12, 2007 | Petrohawk Operating Company | Echols #4 | 10,700 | 42734149 |
| 641581Amendment | Jul 12, 2007 | Jul 12, 2007 | Petrohawk Operating Company | Echols #4 | 13,000 | 42734149 |
| 641502 | Jul 9, 2007 | Jul 9, 2007 | Noble Energy Inc | Martinez -B- #43R | 7,400 | 42733077 |
| 641491 | Jul 9, 2007 | Jul 9, 2007 | Edge Petroleum Oper. Co., Inc. | Kent Deep #1 | 12,000 | 42734147 |
| 641460 | Jul 6, 2007 | Jul 6, 2007 | EOG Resources, Inc. | McClure #8 | 8,500 | 42734146 |
| 641453 | Jul 6, 2007 | Jul 6, 2007 | EOG Resources, Inc. | Billups #4 | 8,500 | 42734145 |
| 639783 | Jul 6, 2007 | Jul 6, 2007 | Wagner Oil Company | Garcia BB #15 | 8,350 | 42734129 |
| 639778 | Jul 6, 2007 | Jul 6, 2007 | Wagner Oil Company | Garcia BB #16 | 8,350 | 42734128 |
| 641098 | Jul 2, 2007 | Jul 2, 2007 | Edge Petroleum Oper. Co., Inc. | Slick State "B" #10 | 12,000 | 42734142 |
| 641097 | Jul 2, 2007 | Jul 2, 2007 | Edge Petroleum Oper. Co., Inc. | Slick State "B" #11 | 12,000 | 42734141 |
| 641094 | Jul 2, 2007 | Jul 2, 2007 | Edge Petroleum Oper. Co., Inc. | Slick State "B" #13 | 12,000 | 42734140 |
| 641093 | Jul 2, 2007 | Jul 2, 2007 | Edge Petroleum Oper. Co., Inc. | Slick State "B" #12 | 12,000 | 42734139 |
| 641080 | Jul 2, 2007 | Jul 2, 2007 | Kerr-McGee Oil & Gas Onshore LP | Hall, J. F. State #28 | 5,000 | 42734028 |
| 640740 | Jun 27, 2007 | Jun 27, 2007 | Kerr-McGee Oil & Gas Onshore LP | Alvarez-Hinojosa Unit (Upper) #2 | 5,560 | 42732343 |
| 640677 | Jun 22, 2007 | Jun 22, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #60 | 12,000 | 42734137 |
| 640676 | Jun 22, 2007 | Jun 22, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #52 | 12,000 | 42734138 |
| 640675 | Jun 22, 2007 | Jun 22, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #62 | 12,000 | 42734136 |
| 640621 | Jun 21, 2007 | Jun 21, 2007 | EOG Resources, Inc. | McClure #7 | 8,500 | 42734135 |
| 640500 | Jun 20, 2007 | Jun 20, 2007 | Kestrel Resources, Inc. | Roos Bennett #1 | 6,000 | 42734134 |
| 640500Amendment | Jun 20, 2007 | Jun 20, 2007 | Kestrel Resources, Inc. | Roos Bennett #1 | 6,000 | 42734134 |
| 640366 | Jun 15, 2007 | Jun 15, 2007 | Shell Western E&P | Slick, T. B. Estate #187 | 10,500 | 42734133 |
| 639974 | Jun 11, 2007 | Jun 11, 2007 | Edge Petroleum Oper. Co., Inc. | Kent A #1 | 12,000 | 42734132 |
| 639871 | Jun 7, 2007 | Jun 7, 2007 | Thorp Petroleum Corporation | Gutierrez #6 | 7,600 | 42734131 |
| 639832 | Jun 6, 2007 | Jun 6, 2007 | Shell Western E&P | Garza, A. M.-State #22 | 9,900 | 42734130 |
| 639676 | Jun 5, 2007 | Jun 5, 2007 | Newfield Exploration Company | Guerra "D" #8 | 12,000 | 42734127 |
| 639750 | Jun 4, 2007 | Jun 4, 2007 | Shell Western E&P | Slick, T. B. Estate #184 | 11,500 | 42734126 |
| 639658 | May 31, 2007 | May 31, 2007 | Shell Western E&P | Slick, T. B. Estate #185 | 12,000 | 42734125 |
| 639658Amendment | May 31, 2007 | May 31, 2007 | Shell Western E&P | Slick, T. B. Estate #185 | 12,000 | 42734125 |
| 639615 | May 30, 2007 | May 30, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #50 | 12,000 | 42734124 |
| 639575 | May 30, 2007 | May 30, 2007 | Kerr-McGee Oil & Gas Onshore LP | Speer, Geo. H. State -D- #6 | 8,550 | 42733211 |
| 639573 | May 30, 2007 | May 30, 2007 | Samson Lone Star LP | Bentsen Tract I #8 | 10,000 | 42734123 |
| 639573Amendment | May 30, 2007 | May 30, 2007 | Pogo Producing Company LLC | Bentsen Tract I #8 | 10,000 | 42734123 |
| 639274 | May 29, 2007 | May 29, 2007 | Noram Resources, Inc. | T-Patch #1 | 9,800 | 42734122 |
| 638969 | May 22, 2007 | May 22, 2007 | BPL Exploration, Ltd. | Guerra, N. B., Ltd #2 | 2,750 | 42734121 |
| 638862 | May 18, 2007 | May 18, 2007 | Thorp Petroleum Corporation | Mauricio Gonzalez Unit #1 | 6,500 | 42734120 |
| 638581 | May 16, 2007 | May 16, 2007 | Peoples Energy Prod.-TX, L.P. | McGill Bros. #607 | 12,000 | 42734118 |
| 637608 | May 16, 2007 | May 16, 2007 | Neuhaus, V. F. Properties, Inc. | Farias Unit #5R | 2,000 | 42734119 |
| 638152 | May 9, 2007 | May 9, 2007 | EOG Resources, Inc. | Southwest Texas Corp. D #9 | 10,500 | 42734117 |
| 637799 | May 3, 2007 | May 3, 2007 | EOG Resources, Inc. | Garza, Romeo #3 | 8,750 | 42734115 |