| 656869 | Mar 18, 2008 | Mar 18, 2008 | Kerr-McGee Oil & Gas Onshore LP | Frost National Bank -A- #19 | 8,500 | 42734272 |
| 656798 | Mar 14, 2008 | Mar 14, 2008 | Kerr-McGee Oil & Gas Onshore LP | Reilly Heirs #41 | 8,000 | 42734270 |
| 656796 | Mar 14, 2008 | Mar 14, 2008 | Kerr-McGee Oil & Gas Onshore LP | Reilly Heirs #40 | 8,000 | 42734269 |
| 656794 | Mar 14, 2008 | Mar 14, 2008 | Kerr-McGee Oil & Gas Onshore LP | Reilly Heirs #39 | 8,000 | 42734268 |
| 656793 | Mar 14, 2008 | Mar 14, 2008 | Kerr-McGee Oil & Gas Onshore LP | Reilly Heirs #38 | 7,700 | 42734267 |
| 656741 | Mar 14, 2008 | Mar 14, 2008 | Kerr-McGee Oil & Gas Onshore LP | Olivares, A. #23 | 7,590 | 42732544 |
| 656644 | Mar 13, 2008 | Mar 13, 2008 | Smith Production Inc. | Btlt E #1 | 14,000 | 42734266 |
| 656559 | Mar 12, 2008 | Mar 12, 2008 | EOG Resources, Inc. | Hornaday #2 | 9,000 | 42734265 |
| 656505 | Mar 12, 2008 | Mar 12, 2008 | Shell Western E&P | Slick, T. B. Estate #194 | 11,500 | 42734264 |
| 656361 | Mar 10, 2008 | Mar 10, 2008 | Shell Western E&P | Slick, T. B. Estate #202 | 13,100 | 42734261 |
| 655694 | Feb 27, 2008 | Feb 27, 2008 | Shell Western E&P | Davenport, O. H. Heirs #9 | 8,950 | 42734260 |
| 655666 | Feb 27, 2008 | Feb 27, 2008 | Manti Operating Company | Perez #1 | 9,500 | 42734259 |
| 655611 | Feb 26, 2008 | Feb 26, 2008 | Forest Oil Corporation | T. B. Slick Estate "a" 265 #243 | 8,500 | 42734258 |
| 655588 | Feb 26, 2008 | Feb 26, 2008 | Smith Production Inc. | Btlt C #2 | 14,000 | 42734257 |
| 655588Amendment | Feb 26, 2008 | Feb 26, 2008 | Smith Production Inc. | Btlt D #1 | 14,000 | 42734257 |
| 654403 | Feb 25, 2008 | Feb 25, 2008 | Kerr-McGee Oil & Gas Onshore LP | De Garcia, B. G. #77 | 8,000 | 42734250 |
| 653164 | Feb 25, 2008 | Feb 25, 2008 | El Paso E & P Company, L. P. | Cow Creek #3 | 15,500 | 42734235 |
| 653164Amendment | Feb 25, 2008 | Feb 25, 2008 | El Paso E & P Company, L. P. | Cow Creek #3 | 15,500 | 42734235 |
| 655254 | Feb 22, 2008 | Feb 22, 2008 | Edge Petroleum Oper. Co., Inc. | Slick State #4 | 12,000 | 42734256 |
| 655115 | Feb 21, 2008 | Feb 21, 2008 | Kerr-McGee Oil & Gas Onshore LP | Frost National Bank -A- #9 | 5,140 | 42733662 |
| 655115Amendment | Feb 21, 2008 | Feb 21, 2008 | Kerr-McGee Oil & Gas Onshore LP | Frost National Bank -A- #9 | 5,140 | 42733662 |
| 655082 | Feb 21, 2008 | Feb 21, 2008 | Kerr-McGee Oil & Gas Onshore LP | Speer, Geo. H. State -D- #6 | 6,840 | 42733211 |
| 654851 | Feb 15, 2008 | Feb 15, 2008 | EOG Resources, Inc. | Canales, Eduardo #1 | 8,900 | 42734255 |
| 654719 | Feb 14, 2008 | Feb 14, 2008 | Ascent Operating, LP | Heard #4 | 10,600 | 42734496 |
| 654717 | Feb 14, 2008 | Feb 14, 2008 | Ascent Operating, LP | Garza-Hitchcock et al G.U. #17 | 10,500 | 42734252 |
| 654711 | Feb 14, 2008 | Feb 14, 2008 | Ascent Operating, LP | Garza-Hitchcock et al G.U. #14 | 10,500 | 42734253 |
| 654694 | Feb 14, 2008 | Feb 14, 2008 | Kebo Oil & Gas, Inc. | Margo, R. E. Heirs #2 | 9,000 | 42734251 |
| 654694Amendment | Feb 14, 2008 | Feb 14, 2008 | Kebo Oil & Gas, Inc. | Margo, R. E. Heirs #2 | 9,000 | 42734251 |
| 654394 | Feb 11, 2008 | Feb 11, 2008 | Kerr-McGee Oil & Gas Onshore LP | Alvarez #5 | 8,000 | 42734249 |
| 654374 | Feb 11, 2008 | Feb 11, 2008 | Forest Oil Corporation | Slick, T. B. Estate "B" 536 #239 | 8,700 | 42734247 |
| 654292 | Feb 11, 2008 | Feb 11, 2008 | Forest Oil Corporation | T.B. Slick Estate 'B' 536 #240 | 8,700 | 42734245 |
| 654377 | Feb 9, 2008 | Feb 9, 2008 | Shell Western E&P | Slick, T. B. Estate #201 | 12,000 | 42734248 |
| 654377Amendment | Feb 9, 2008 | Feb 9, 2008 | Shell Western E&P | Slick, T. B. Estate #201 | 12,000 | 42734248 |
| 654335 | Feb 8, 2008 | Feb 8, 2008 | Forest Oil Corporation | T. B. Slick Estate "B" 528 #245 | 6,600 | 42734246 |
| 654335Amendment | Feb 8, 2008 | Feb 8, 2008 | Forest Oil Corporation | T. B. Slick Estate "B" 528 #245 | 6,600 | 42734246 |
| 654335Amendment | Feb 8, 2008 | Feb 8, 2008 | Forest Oil Corporation | T. B. Slick Estate "B" 528 #245 | 6,600 | 42734246 |
| 654198 | Feb 7, 2008 | Feb 7, 2008 | Forest Oil Corporation | Slick, T. B. Estate "B" 536 #238 | 8,500 | 42734244 |
| 654198Amendment | Feb 7, 2008 | Feb 7, 2008 | Forest Oil Corporation | Slick, T. B. Estate "B" 536 #238 | 8,500 | 42734244 |
| 654156 | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Samuel D. Bloomberg #73 | 12,000 | 42734243 |
| 654155 | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Slick State "B" #15 | 12,000 | 42734242 |
| 654133 | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #71 | 12,000 | 42734241 |
| 654133Amendment | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #71 | 12,000 | 42734241 |
| 654131 | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Samuel D. Bloomberg #67 | 12,000 | 42734240 |
| 654111 | Feb 7, 2008 | Feb 7, 2008 | EOG Resources, Inc. | Billups #2HH | 8,500 | 42734239 |
| 653310 | Feb 5, 2008 | Feb 5, 2008 | Enterprise Products Operating LP | Zapata Pernitas #33 | 320 | 42734238 |
| 652252 | Feb 4, 2008 | Feb 4, 2008 | El Paso E & P Company, L. P. | State Park #12 | 13,500 | 42734221 |
| 653649 | Jan 30, 2008 | Jan 30, 2008 | Thorp Petroleum Corporation | Gutierrez #5 | 7,200 | 42734237 |
| 653649Amendment | Jan 30, 2008 | Jan 30, 2008 | Thorp Petroleum Corporation | Gutierrez #5 | 7,500 | 42734237 |
| 653599 | Jan 30, 2008 | Jan 30, 2008 | Shell Western E&P | Garza, A. M.-State #23 | 10,100 | 42734236 |
| 653055 | Jan 24, 2008 | Jan 24, 2008 | Newgulf Petroleum, LLC | Zamora, E. #1 | 5,500 | 42734232 |
| 653049 | Jan 24, 2008 | Jan 24, 2008 | Newgulf Petroleum, LLC | Pena #1 | 5,500 | 42734233 |
| 653049Amendment | Jan 24, 2008 | Jan 24, 2008 | Newgulf Petroleum, LLC | Pena #1 | 5,500 | 42734233 |
| 653144 | Jan 23, 2008 | Jan 23, 2008 | Shell Western E&P | Slick, T. B. Estate #196 | 11,500 | 42734234 |
| 652873 | Jan 17, 2008 | Jan 17, 2008 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #63 | 12,000 | 42734231 |
| 652821 | Jan 17, 2008 | Jan 17, 2008 | EOG Resources, Inc. | Sanchez #1 | 9,000 | 42734230 |
| 652435 | Jan 16, 2008 | Jan 16, 2008 | Ascent Operating, LP | Garza-Hitchcock G.U. #11 | 10,500 | 42734226 |
| 652680 | Jan 15, 2008 | Jan 15, 2008 | Forest Oil Corporation | Slick, T. B. Estate "B" 486 #242 | 6,500 | 42734228 |
| 652501 | Jan 14, 2008 | Jan 14, 2008 | EOG Resources, Inc. | Eia Properties #4 | 3,200 | 42734227 |
| 648335 | Jan 11, 2008 | Jan 11, 2008 | El Paso E & P Company, L. P. | State Park #10 | 14,000 | 42734180 |
| 652421 | Jan 10, 2008 | Jan 10, 2008 | Legend Natural Gas III, LP | Starrpro Minerals #2 | 12,000 | 42734225 |
| 652401 | Jan 10, 2008 | Jan 10, 2008 | EOG Resources, Inc. | Jones Family #1 | 8,000 | 42734224 |
| 652401Amendment | Jan 10, 2008 | Jan 10, 2008 | EOG Resources, Inc. | Jones Family #3 | 8,000 | 42734224 |
| 652273 | Jan 10, 2008 | Jan 10, 2008 | Legend Natural Gas III, LP | Starr Produce Co. GU #2 | 12,000 | 42734229 |
| 652213 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Champion, A. A. #7 | 7,700 | 42734217 |
| 652209 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Alvarez-Hinojosa Gas Unit #9 | 9,420 | 42733990 |
| 652205 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | De Garcia, B. G. #76 | 8,000 | 42734220 |
| 652203 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Alvarez #4 | 7,600 | 42734219 |
| 652202 | Jan 10, 2008 | Jan 10, 2008 | Kerr-McGee Oil & Gas Onshore LP | Alvarez #3 | 7,500 | 42734218 |
| 652174 | Jan 7, 2008 | Jan 7, 2008 | Kerr-McGee Oil & Gas Onshore LP | A. G. Hermann Gas Unit #5 | 5,116 | 42732864 |
| 652148 | Jan 7, 2008 | Jan 7, 2008 | Kerr-McGee Oil & Gas Onshore LP | Champion, A. A. #6 | 8,500 | 42734216 |
| 652148Amendment | Jan 7, 2008 | Jan 7, 2008 | Kerr-McGee Oil & Gas Onshore LP | Champion, A. A. #6 | 8,500 | 42734216 |
| 651569 | Jan 7, 2008 | Jan 7, 2008 | El Paso E & P Company, L. P. | Garza Zamora Energy Trust #8 | 12,000 | 42734214 |
| 652086 | Jan 4, 2008 | Jan 4, 2008 | Kerr-McGee Oil & Gas Onshore LP | Hermann, E. #15 | 8,000 | 42734215 |
| 651332 | Dec 19, 2007 | Dec 19, 2007 | El Paso E & P Company, L. P. | Ramirez-USA GU "E" #15 | 14,000 | 42734213 |
| 651332Amendment | Dec 19, 2007 | Dec 19, 2007 | El Paso E & P Company, L. P. | Ramirez-USA GU "E" #15 | 14,000 | 42734213 |
| 651332Amendment | Dec 19, 2007 | Dec 19, 2007 | El Paso E & P Company, L. P. | Ramirez-USA GU "E" #15 | 14,000 | 42734213 |
| 651189 | Dec 17, 2007 | Dec 17, 2007 | McDonald & Johnson Resources,llc | Parks, W. S. et Al #12 | 3,000 | 42734212 |
| 650954 | Dec 13, 2007 | Dec 13, 2007 | Shell Western E&P | Slick, T. B. Estate #199 | 13,000 | 42734211 |
| 650644 | Dec 11, 2007 | Dec 11, 2007 | Shell Western E&P | Slick, T. B. Estate #193 | 11,200 | 42734210 |
| 650425 | Dec 10, 2007 | Dec 10, 2007 | EOG Resources, Inc. | Jones Family #2 | 8,250 | 42734209 |
| 650287 | Dec 7, 2007 | Dec 7, 2007 | Kerr-McGee Oil & Gas Onshore LP | Reilly Heirs #34 | 9,500 | 42734207 |
| 650292 | Dec 6, 2007 | Dec 6, 2007 | Kerr-McGee Oil & Gas Onshore LP | Chapotal Land Co. -A- #33 | 8,500 | 42734208 |
| 650101 | Dec 5, 2007 | Dec 5, 2007 | Smith Production Inc. | Btlt C #1 | 14,000 | 42734206 |
| 650096 | Dec 3, 2007 | Dec 3, 2007 | Kerr-McGee Oil & Gas Onshore LP | Garcia L&L Co. -C- #21 | 9,700 | 42734203 |
| 650057 | Nov 30, 2007 | Nov 30, 2007 | Thorp Petroleum Corporation | Gutierrez #7 | 8,400 | 42734201 |
| 650057Amendment | Nov 30, 2007 | Nov 30, 2007 | Thorp Petroleum Corporation | Gutierrez #7 | 8,400 | 42734201 |
| 644513Amendment | Nov 30, 2007 | Nov 30, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #57 | 12,000 | 42734166 |
| 650046 | Nov 29, 2007 | Nov 29, 2007 | Kerr-McGee Oil & Gas Onshore LP | Garcia L&L Co. -C- #20 | 9,000 | 42734200 |
| 649179 | Nov 29, 2007 | Nov 29, 2007 | Hamman Oil & Refining Company | Semmes A #2 | 13,000 | 42734204 |
| 649179Amendment | Nov 29, 2007 | Nov 29, 2007 | Hamman Oil & Refining Company | Semmes A #2 | 12,052 | 42734204 |
| 644512Amendment | Nov 29, 2007 | Nov 29, 2007 | Edge Petroleum Oper. Co., Inc. | Bloomberg, Samuel D. #56 | 12,000 | 42734165 |
| 649730 | Nov 26, 2007 | Nov 26, 2007 | Kerr-McGee Oil & Gas Onshore LP | De Garcia, B. G. #74 | 8,000 | 42734199 |
| 649737 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | De Garcia, B. G. #75 | 8,200 | 42734198 |
| 649728 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | De Garcia, B. G. #73 | 9,000 | 42734197 |
| 649716 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | De Garcia, B. G. #72 | 9,000 | 42734195 |
| 649706 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | Frost National Bank -A- #17 | 8,500 | 42734196 |
| 649690 | Nov 21, 2007 | Nov 21, 2007 | Kerr-McGee Oil & Gas Onshore LP | Speer, Geo. H. #23 | 9,214 | 42733349 |
| 649661 | Nov 20, 2007 | Nov 20, 2007 | Kerr-McGee Oil & Gas Onshore LP | Chapotal Land Co. -A- #24 | 4,130 | 42731850 |
| 649546 | Nov 20, 2007 | Nov 20, 2007 | Kerr-McGee Oil & Gas Onshore LP | Frost National Bank -A- #16 | 9,000 | 42734193 |
| 649558 | Nov 19, 2007 | Nov 19, 2007 | Kerr-McGee Oil & Gas Onshore LP | Frost National Bank -A- #18 | 8,500 | 42734194 |