| 670023 | Sep 16, 2008 | Sep 16, 2008 | EOG Resources, Inc. | Staggs #12HH | 13,000 | 47940375 |
| 669921 | Sep 15, 2008 | Sep 15, 2008 | Rosetta Resources Operating LP | South Callaghan Ranch #318 | 8,700 | 47940374 |
| 669917 | Sep 15, 2008 | Sep 15, 2008 | Rosetta Resources Operating LP | South Callaghan Ranch #315 | 8,700 | 47940373 |
| 669905 | Sep 15, 2008 | Sep 15, 2008 | Rosetta Resources Operating LP | South Callaghan Ranch #314 | 8,700 | 47940372 |
| 669549 | Sep 10, 2008 | Sep 10, 2008 | Lewis Petro Properties, Inc. | Leyendecker/Hunter "B" 2178 #21 | 8,000 | 47940371 |
| 669549Amendment | Sep 10, 2008 | Sep 10, 2008 | Lewis Petro Properties, Inc. | Leyendecker/Hunter "B" 2178 #21 | 8,000 | 47940371 |
| 669453 | Sep 10, 2008 | Sep 10, 2008 | Devon Energy Production Co, L.P. | Vaquillas #7 | 11,000 | 47940370 |
| 669445 | Sep 10, 2008 | Sep 10, 2008 | Lewis Petro Properties, Inc. | Owen, E. A. #8 | 8,000 | 47940366 |
| 669238 | Sep 9, 2008 | Sep 9, 2008 | Legend Natural Gas III, LP | Galvan F #2 | 8,000 | 47940360 |
| 669458 | Sep 8, 2008 | Sep 8, 2008 | Lewis Petro Properties, Inc. | Rettig "B" #8 | 8,000 | 47940367 |
| 669457 | Sep 8, 2008 | Sep 8, 2008 | Lewis Petro Properties, Inc. | Rettig, Mabel #L 45A | 8,000 | 47940368 |
| 669457Amendment | Sep 8, 2008 | Sep 8, 2008 | Lewis Petro Properties, Inc. | Rettig, Mabel #L 45A | 8,000 | 47940368 |
| 669451 | Sep 8, 2008 | Sep 8, 2008 | Lewis Petro Properties, Inc. | Owen, E.A. #9 | 8,000 | 47940369 |
| 669438 | Sep 8, 2008 | Sep 8, 2008 | Lewis Petro Properties, Inc. | Owens, E. Arleigh #3 | 8,000 | 47940365 |
| 669438Amendment | Sep 8, 2008 | Sep 8, 2008 | Lewis Petro Properties, Inc. | Owens, E. Arleigh #3 | 8,000 | 47940365 |
| 669430 | Sep 8, 2008 | Sep 8, 2008 | St. Mary Land & Exploration Co. | Briscoe "G" #1276 | 6,300 | 47940364 |
| 669409 | Sep 8, 2008 | Sep 8, 2008 | St. Mary Land & Exploration Co. | Briscoe "G" #1277 | 6,150 | 47940363 |
| 669239 | Sep 8, 2008 | Sep 8, 2008 | Legend Natural Gas III, LP | Galvan Ranch G #2 | 8,000 | 47940361 |
| 669292 | Sep 6, 2008 | Sep 6, 2008 | Killam Oil Co., Ltd. | Bruni Mineral Trust B #19 | 9,200 | 47940362 |
| 669243 | Sep 6, 2008 | Sep 6, 2008 | Legend Natural Gas III, LP | Galvan Ranch N9 #2 | 8,000 | 47940359 |
| 669243Amendment | Sep 6, 2008 | Sep 6, 2008 | Legend Natural Gas III, LP | Galvan Ranch N9 #2 | 8,000 | 47940359 |
| 669242 | Sep 6, 2008 | Sep 6, 2008 | Legend Natural Gas III, LP | Galvan Ranch K #4 | 8,000 | 47940357 |
| 669241 | Sep 6, 2008 | Sep 6, 2008 | Legend Natural Gas III, LP | Galvan Ranch M #4 | 8,000 | 47940358 |
| 669126 | Sep 5, 2008 | Sep 5, 2008 | Rosetta Resources Operating LP | M.M.A. Cattle Company #12 | 9,350 | 47940355 |
| 656686Amendment | Sep 4, 2008 | Sep 4, 2008 | EOG Resources, Inc. | Dulaney-Bruni #1 | 13,000 | 47940135 |
| 668905 | Sep 3, 2008 | Sep 3, 2008 | St. Mary Land & Exploration Co. | Briscoe "G" #1275 | 6,300 | 47940353 |
| 668891 | Sep 3, 2008 | Sep 3, 2008 | St. Mary Land & Exploration Co. | Briscoe "G" #1274 | 6,350 | 47940351 |
| 668884 | Sep 3, 2008 | Sep 3, 2008 | St. Mary Land & Exploration Co. | Briscoe "G" #1273 | 6,000 | 47940352 |
| 668883 | Sep 3, 2008 | Sep 3, 2008 | St. Mary Land & Exploration Co. | Briscoe "E" #1272 | 6,100 | 47940350 |
| 668832 | Sep 3, 2008 | Sep 3, 2008 | St. Mary Land & Exploration Co. | Gates 05S #506A | 6,830 | 47940349 |
| 669425 | Sep 2, 2008 | Sep 2, 2008 | Rosetta Resources Operating LP | SCR State #3 | 7,500 | 47940354 |
| 668604 | Aug 28, 2008 | Aug 28, 2008 | Ricochet Energy, Inc. | Running "W" 593 A #1 | 10,500 | 47940348 |
| 668604Amendment | Aug 28, 2008 | Aug 28, 2008 | Ricochet Energy, Inc. | Running "W" 593 A #1 | 10,500 | 47940348 |
| 668564 | Aug 27, 2008 | Aug 27, 2008 | St. Mary Land & Exploration Co. | Briscoe "G" #1269 | 6,025 | 47940347 |
| 668561 | Aug 27, 2008 | Aug 27, 2008 | Conocophillips Company | Vaquillas Ranch A6 #229 | 12,982 | 47940346 |
| 668558 | Aug 27, 2008 | Aug 27, 2008 | Conocophillips Company | BMT A #29 | 9,200 | 47940345 |
| 668199 | Aug 26, 2008 | Aug 26, 2008 | Conocophillips Company | Frost National Bank #70 | 11,200 | 47937420 |
| 668399 | Aug 25, 2008 | Aug 25, 2008 | St. Mary Land & Exploration Co. | Briscoe "E" #1271 | 5,550 | 47940344 |
| 668385 | Aug 25, 2008 | Aug 25, 2008 | St. Mary Land & Exploration Co. | Briscoe "G" #1268 | 6,100 | 47940343 |
| 668328 | Aug 25, 2008 | Aug 25, 2008 | Lewis Petro Properties, Inc. | Briscoe-Manry 1469 #6 | 8,000 | 47940341 |
| 668350 | Aug 22, 2008 | Aug 22, 2008 | St. Mary Land & Exploration Co. | Briscoe "B" #1270 | 5,650 | 47940342 |
| 668309 | Aug 22, 2008 | Aug 22, 2008 | Lewis Petro Properties, Inc. | Briscoe-Manry 1393 #8 | 8,000 | 47940340 |
| 664397 | Aug 22, 2008 | Aug 22, 2008 | Killam Oil Co., Ltd. | Garcia 608 #4 | 12,200 | 47939325 |
| 668198 | Aug 19, 2008 | Aug 19, 2008 | Conocophillips Company | Dix Ranch State A #1 | 8,975 | 47935476 |
| 668197 | Aug 19, 2008 | Aug 19, 2008 | Conocophillips Company | BMT #91 | 11,800 | 47937057 |
| 668196 | Aug 19, 2008 | Aug 19, 2008 | Conocophillips Company | Hein Trust C #1 | 10,914 | 47934288 |
| 668161 | Aug 19, 2008 | Aug 19, 2008 | Laredo Energy | Vergara #4 | 11,500 | 47940339 |
| 668115 | Aug 19, 2008 | Aug 19, 2008 | Kerr-McGee Oil & Gas Onshore LP | McKendrick #27 | 8,768 | 47940150 |
| 668006 | Aug 18, 2008 | Aug 18, 2008 | EOG Resources, Inc. | Benavides F.M.T. #13HH | 12,000 | 47940337 |
| 667961 | Aug 18, 2008 | Aug 18, 2008 | EOG Resources, Inc. | El Viejito "B" #6HH | 14,500 | 47940336 |
| 668895 | Aug 15, 2008 | Aug 15, 2008 | EOG Resources, Inc. | Vaquillas Borrego #30HH | 12,000 | 47940338 |
| 667923 | Aug 14, 2008 | Aug 14, 2008 | Rosetta Resources Operating LP | El Corazon Ranch #15 | 8,900 | 47940335 |
| 667923Amendment | Aug 14, 2008 | Aug 14, 2008 | Rosetta Resources Operating LP | El Corazon Ranch #15 | 8,900 | 47940335 |
| 667755 | Aug 13, 2008 | Aug 13, 2008 | Lewis Petro Properties, Inc. | Owen 3 #7 | 7,650 | 47940334 |
| 667715 | Aug 13, 2008 | Aug 13, 2008 | EOG Resources, Inc. | BMT Aviator #2 | 9,850 | 47939005 |
| 668605 | Aug 11, 2008 | Aug 11, 2008 | Flatirons Resources LLC | Ruben R. Gonzalez No. 309 #2 | 13,000 | 47940125 |
| 667571 | Aug 11, 2008 | Aug 11, 2008 | Dewbre Petroleum Corporation | Moos Heirs #6 | 5,000 | 47940333 |
| 667402 | Aug 9, 2008 | Aug 9, 2008 | Legend Natural Gas III, LP | Galvan Ranch C #2 | 8,000 | 47940332 |
| 667400 | Aug 9, 2008 | Aug 9, 2008 | Legend Natural Gas III, LP | Galvan Ranch L4 #2 | 8,000 | 47940331 |
| 667331 | Aug 9, 2008 | Aug 9, 2008 | Lewis Petro Properties, Inc. | Owen 2 #6 | 7,650 | 47940330 |
| 667271 | Aug 9, 2008 | Aug 9, 2008 | St. Mary Land & Exploration Co. | Briscoe "B" #1267 | 5,500 | 47940329 |
| 667236 | Aug 8, 2008 | Aug 8, 2008 | EOG Resources, Inc. | Billings Ranch #2HH | 12,000 | 47940328 |
| 666477 | Aug 8, 2008 | Aug 8, 2008 | St. Mary Land & Exploration Co. | Briscoe "G" #1259 | 6,100 | 47940310 |
| 667207 | Aug 7, 2008 | Aug 7, 2008 | Legend Natural Gas III, LP | Galvan Ranch L3 #2 | 8,000 | 47940326 |
| 667205 | Aug 7, 2008 | Aug 7, 2008 | Legend Natural Gas III, LP | Galvan Ranch L2 #2 | 8,000 | 47940327 |
| 667076 | Aug 7, 2008 | Aug 7, 2008 | Columbus Energy, LLC | Akin, J. M. #1QC | 1,700 | 47940325 |
| 667003 | Aug 7, 2008 | Aug 7, 2008 | Devon Energy Production Co, L.P. | Vaquillas #6HH | 10,000 | 47940322 |
| 667016 | Aug 6, 2008 | Aug 6, 2008 | St. Mary Land & Exploration Co. | San Ambrosia B #1265 | 5,400 | 47940323 |
| 667011 | Aug 6, 2008 | Aug 6, 2008 | St. Mary Land & Exploration Co. | Briscoe "E" #1266 | 5,950 | 47940324 |
| 666924 | Aug 5, 2008 | Aug 5, 2008 | Lewis Petro Properties, Inc. | Beasley Welhausen State 105 #46 | 7,200 | 47940321 |
| 666782 | Aug 4, 2008 | Aug 4, 2008 | Rosetta Resources Operating LP | Coats #5 | 7,900 | 47940319 |
| 666772 | Aug 2, 2008 | Aug 2, 2008 | Rosetta Resources Operating LP | Coats #3 | 7,700 | 47940320 |
| 666778 | Aug 1, 2008 | Aug 1, 2008 | Rosetta Resources Operating LP | Coats #4 | 7,715 | 47940318 |
| 666441 | Aug 1, 2008 | Aug 1, 2008 | Lewis Petro Properties, Inc. | Palafox Exploration Co. 2182 #91 | 7,200 | 47940308 |
| 666540 | Jul 31, 2008 | Jul 31, 2008 | Lewis Petro Properties, Inc. | Palafox Exploration Co. 2292 #90 | 7,200 | 47940317 |
| 666530 | Jul 31, 2008 | Jul 31, 2008 | Lewis Petro Properties, Inc. | Palafox Exploration Co. 2182 #69 | 7,200 | 47940316 |
| 666498 | Jul 30, 2008 | Jul 30, 2008 | Hinds Petroleum, LP | Dobie #6 | 750 | 47940315 |
| 666495 | Jul 30, 2008 | Jul 30, 2008 | Hinds Petroleum, LP | Dobie #5 | 750 | 47940314 |
| 666493 | Jul 30, 2008 | Jul 30, 2008 | Hinds Petroleum, LP | Dobie #4 | 750 | 47940313 |
| 666489 | Jul 30, 2008 | Jul 30, 2008 | Hinds Petroleum, LP | Dobie #3 | 750 | 47940312 |
| 666486 | Jul 30, 2008 | Jul 30, 2008 | St. Mary Land & Exploration Co. | Briscoe "E" #1100 | 5,600 | 47940311 |
| 666471 | Jul 30, 2008 | Jul 30, 2008 | St. Mary Land & Exploration Co. | Briscoe "C" #1262 | 5,400 | 47940309 |
| 666168 | Jul 25, 2008 | Jul 25, 2008 | St. Mary Land & Exploration Co. | Briscoe "B" #1261 | 5,650 | 47940307 |
| 666100 | Jul 25, 2008 | Jul 25, 2008 | St. Mary Land & Exploration Co. | Briscoe"c" #1264 | 6,400 | 47940306 |
| 666066 | Jul 24, 2008 | Jul 24, 2008 | Blackbrush O & G, Inc. | Gates 05D #5012A | 9,300 | 47940305 |
| 666066Amendment | Jul 24, 2008 | Jul 24, 2008 | Blackbrush O & G, Inc. | Gates 05D #5012A | 9,300 | 47940305 |
| 666059 | Jul 24, 2008 | Jul 24, 2008 | Escondido Resources II, LLC | Augusta-Kenton #1 | 8,500 | 47940304 |
| 666059Amendment | Jul 24, 2008 | Jul 24, 2008 | Escondido Resources II, LLC | Augusta-Kenton #1 | 8,800 | 47940304 |
| 666052 | Jul 24, 2008 | Jul 24, 2008 | Killam Oil Co., Ltd. | Killam & Hurd Fee 1614 #5 | 11,000 | 47940302 |
| 665919 | Jul 24, 2008 | Jul 24, 2008 | Lewis Petro Properties, Inc. | Saunders 38 "H" #8 | 12,500 | 47940300 |
| 665919Amendment | Jul 24, 2008 | Jul 24, 2008 | Lewis Petro Properties, Inc. | Saunders 38 "H" #8 | 12,500 | 47940300 |
| 666060 | Jul 23, 2008 | Jul 23, 2008 | Escondido Resources II, LLC | Augusta-Kenton #2 | 8,500 | 47940303 |
| 666060Amendment | Jul 23, 2008 | Jul 23, 2008 | Escondido Resources II, LLC | Augusta-Kenton #2 | 8,800 | 47940303 |
| 665934 | Jul 23, 2008 | Jul 23, 2008 | Forest Oil Corporation | Hubberd 39 #83 | 11,000 | 47940301 |
| 665931 | Jul 23, 2008 | Jul 23, 2008 | Forest Oil Corporation | Hubberd 59 #84 | 10,900 | 47940299 |
| 665931Amendment | Jul 23, 2008 | Jul 23, 2008 | Forest Oil Corporation | Hubberd 59 #84 | 10,900 | 47940299 |
| 665873 | Jul 23, 2008 | Jul 23, 2008 | EOG Resources, Inc. | Cabezon #13HH | 11,000 | 47940296 |
| 665904 | Jul 22, 2008 | Jul 22, 2008 | Lewis Petro Properties, Inc. | Palafox Exploration Co. 2182 #82 | 7,200 | 47940298 |
| 665888 | Jul 22, 2008 | Jul 22, 2008 | Lewis Petro Properties, Inc. | Briscoe-Manry 1393 #9 | 8,000 | 47940297 |
| 665888Amendment | Jul 22, 2008 | Jul 22, 2008 | Lewis Petro Properties, Inc. | Briscoe-Manry 1393 #9 | 8,000 | 47940297 |