| 616031 | Mar 23, 2006 | Mar 23, 2006 | Killam Oil Co., Ltd. | Puig #2 | 12,000 | 47939464 |
| 616031Amendment | Mar 23, 2006 | Mar 23, 2006 | Killam Oil Co., Ltd. | Puig #2 | 11,550 | 47939464 |
| 616005 | Mar 23, 2006 | Mar 23, 2006 | Conocophillips Company | Taubman #4 | 10,400 | 47939463 |
| 615998 | Mar 23, 2006 | Mar 23, 2006 | Conocophillips Company | B.M.T. #155 | 11,800 | 47939466 |
| 616182 | Mar 22, 2006 | Mar 22, 2006 | EOG Resources, Inc. | Benavides, Arturo #2 | 16,000 | 47939465 |
| 616182Amendment | Mar 22, 2006 | Mar 22, 2006 | EOG Resources, Inc. | Benavides, Arturo #2 | 16,000 | 47939465 |
| 615892 | Mar 20, 2006 | Mar 20, 2006 | Blackbrush O & G, Inc. | Petty Ranch #1221 | 5,500 | 47939461 |
| 615460 | Mar 17, 2006 | Mar 17, 2006 | Sabco Operating Company | Webb County School Land #18 | 7,412 | 47939451 |
| 615955 | Mar 16, 2006 | Mar 16, 2006 | Huber Energy L.P. | Briscoe A #167 | 6,000 | 47939462 |
| 615762 | Mar 16, 2006 | Mar 16, 2006 | Blackbrush O & G, Inc. | Petty Ranch #7012 | 5,600 | 47939458 |
| 615752 | Mar 16, 2006 | Mar 16, 2006 | Escondido Resources GP, LLC | Fasken #30 | 7,000 | 47939459 |
| 615699 | Mar 16, 2006 | Mar 16, 2006 | Sabco Operating Company | Webb County School Land #22 | 7,281 | 47939457 |
| 615369 | Mar 16, 2006 | Mar 16, 2006 | Sabco Operating Company | Webb County School Land #25 | 7,320 | 47939445 |
| 615367 | Mar 16, 2006 | Mar 16, 2006 | Sabco Operating Company | Webb County School Land #23 | 7,320 | 47939443 |
| 615365 | Mar 16, 2006 | Mar 16, 2006 | Sabco Operating Company | Webb County School Land #21 | 7,281 | 47939442 |
| 615363 | Mar 16, 2006 | Mar 16, 2006 | Sabco Operating Company | Webb County School Land #19 | 7,312 | 47939440 |
| 615638 | Mar 15, 2006 | Mar 15, 2006 | Blackbrush O & G, Inc. | Gates Ranch 05S #6011 | 5,950 | 47939454 |
| 615537 | Mar 15, 2006 | Mar 15, 2006 | Trium, Ltd. | Gonzales #4 | 2,900 | 47939452 |
| 615349 | Mar 15, 2006 | Mar 15, 2006 | Killam Oil Co., Ltd. | Dcrc Sec. 3B #39 | 3,000 | 47939450 |
| 615841 | Mar 14, 2006 | Mar 14, 2006 | Lewis Petro Properties, Inc. | Beasley Welhausen State 105 #11 | 7,800 | 47939456 |
| 615740 | Mar 13, 2006 | Mar 13, 2006 | Huber Energy L.P. | Brask #18 | 6,000 | 47939455 |
| 615708 | Mar 13, 2006 | Mar 13, 2006 | San Isidro Development Co, L. C. | C.H. Ramirez Minerals, Ltd. #2 | 9,000 | 47939453 |
| 615368 | Mar 10, 2006 | Mar 10, 2006 | Sabco Operating Company | Webb County School Land #24 | 7,336 | 47939444 |
| 615364 | Mar 10, 2006 | Mar 10, 2006 | Sabco Operating Company | Webb County School Land #20 | 7,412 | 47939441 |
| 615525 | Mar 9, 2006 | Mar 9, 2006 | Huber Energy L.P. | Briscoe E #160 | 6,000 | 47939449 |
| 615523 | Mar 9, 2006 | Mar 9, 2006 | Huber Energy L.P. | Briscoe E #155 | 6,000 | 47939447 |
| 615522 | Mar 9, 2006 | Mar 9, 2006 | Lewis Petro Properties, Inc. | Meador State #18 | 7,200 | 47939448 |
| 615162 | Mar 9, 2006 | Mar 9, 2006 | Metano Energy, LP | Galvan #F 1 | 6,500 | 47939439 |
| 615052 | Mar 7, 2006 | Mar 7, 2006 | Blackbrush O & G, Inc. | Gates Ranch 05S #5011 | 5,900 | 47939438 |
| 615193 | Mar 3, 2006 | Mar 3, 2006 | Killam Oil Co., Ltd. | Vaquillas Borrego #22 | 1,700 | 47939437 |
| 615139 | Mar 3, 2006 | Mar 3, 2006 | Kebo Oil & Gas, Inc. | Briscoe Nunley #2 | 8,950 | 47936502 |
| 615073 | Mar 1, 2006 | Mar 1, 2006 | Lewis Petro Properties, Inc. | Owen-Briscoe 1723 #6 | 8,000 | 47939436 |
| 615071 | Mar 1, 2006 | Mar 1, 2006 | Lewis Petro Properties, Inc. | Leyendecker Hunter "B" 1152 #17 | 7,800 | 47939435 |
| 615000 | Feb 28, 2006 | Feb 28, 2006 | EOG Resources, Inc. | South Marshall State-Wells Fargo #3HH | 11,600 | 47939434 |
| 614729 | Feb 27, 2006 | Feb 27, 2006 | Metano Energy, LP | Galvan #E 1 | 6,500 | 47939433 |
| 614509 | Feb 27, 2006 | Feb 27, 2006 | Conocophillips Company | Vaquillas Ranch A4 #227 | 13,100 | 47939431 |
| 614191 | Feb 24, 2006 | Feb 24, 2006 | Killam Oil Co., Ltd. | Bruni Lopez Gas Unit #3 | 12,000 | 47939426 |
| 614691 | Feb 23, 2006 | Feb 23, 2006 | Opex Energy, LLC | Culpepper #4 | 8,350 | 47935358 |
| 614422 | Feb 23, 2006 | Feb 23, 2006 | Conocophillips Company | Benavides, AN/CY F #103 | 9,700 | 47939428 |
| 614360 | Feb 23, 2006 | Feb 23, 2006 | Conocophillips Company | Taubman #3 | 10,400 | 47939427 |
| 614686 | Feb 22, 2006 | Feb 22, 2006 | Lewis Petro Properties, Inc. | Webb County School Land 1383 #28 | 7,800 | 47939432 |
| 614683 | Feb 22, 2006 | Feb 22, 2006 | Lewis Petro Properties, Inc. | Meador State #12 | 7,200 | 47939430 |
| 614680 | Feb 22, 2006 | Feb 22, 2006 | Lewis Petro Properties, Inc. | Saunders-State 108 #6 | 8,700 | 47939429 |
| 614053 | Feb 21, 2006 | Feb 21, 2006 | Huber Energy L.P. | Briscoe -A- #530 | 5,568 | 47931982 |
| 614336 | Feb 16, 2006 | Feb 16, 2006 | Peoples Energy Prod.-TX, L.P. | Hachar, D.D. #41 | 8,500 | 47939425 |
| 613875 | Feb 16, 2006 | Feb 16, 2006 | Ricochet Energy, Inc. | Hubberd Trust #5 | 9,500 | 47939415 |
| 611543 | Feb 15, 2006 | Feb 15, 2006 | Rosetta Resources Operating LP | South Callaghan Ranch #235 | 8,900 | 47939371 |
| 614177 | Feb 14, 2006 | Feb 14, 2006 | Lewis Petro Properties, Inc. | Beasley State 97 #26 | 7,200 | 47939424 |
| 613772 | Feb 14, 2006 | Feb 14, 2006 | Conocophillips Company | Benavides, Rosa V. A1 #104 | 9,800 | 47939420 |
| 613772Amendment | Feb 14, 2006 | Feb 14, 2006 | Conocophillips Company | Benavides, Rosa V. A1 #104 | 9,800 | 47939420 |
| 614047 | Feb 13, 2006 | Feb 13, 2006 | Blackbrush O & G, Inc. | Gates 05S 5 #1726 | 5,800 | 47939423 |
| 614045 | Feb 13, 2006 | Feb 13, 2006 | Blackbrush O & G, Inc. | Gates Ranch "Y" #6015 | 5,900 | 47939422 |
| 614000 | Feb 10, 2006 | Feb 10, 2006 | EOG Resources, Inc. | Slator Ranch #M 2 | 12,000 | 47939421 |
| 613927 | Feb 10, 2006 | Feb 10, 2006 | Metano Energy, LP | Galvan #D 1 | 7,000 | 47939418 |
| 613924 | Feb 10, 2006 | Feb 10, 2006 | Huber Energy L.P. | San Ambrosia E #1 | 6,000 | 47939417 |
| 613590 | Feb 10, 2006 | Feb 10, 2006 | Blackbrush O & G, Inc. | Gates Ranch "W" #3033 | 5,750 | 47937687 |
| 613933 | Feb 9, 2006 | Feb 9, 2006 | Lewis Petro Properties, Inc. | Beasley Welhausen State 97 #16 | 7,200 | 47939419 |
| 613900 | Feb 9, 2006 | Feb 9, 2006 | Lewis Petro Properties, Inc. | Owen Briscoe 2147 #2 | 8,000 | 47939416 |
| 613560 | Feb 9, 2006 | Feb 9, 2006 | Blackbrush O & G, Inc. | Petty Ranch #1119 | 5,500 | 47939412 |
| 613800 | Feb 8, 2006 | Feb 8, 2006 | Sabco Operating Company | Webb County School Land #26 | 7,100 | 47939414 |
| 613745 | Feb 7, 2006 | Feb 7, 2006 | Conocophillips Company | Benavides, Rosa V. E #102 | 9,900 | 47939413 |
| 613648 | Feb 6, 2006 | Feb 6, 2006 | Lewis Petro Properties, Inc. | Dobie 96 #1 | 8,200 | 47938941 |
| 613346 | Feb 6, 2006 | Feb 6, 2006 | Virtex Petroleum Company, Inc. | Fasken Land & Minerals St of TX #6202 | 7,300 | 47939407 |
| 613299 | Feb 6, 2006 | Feb 6, 2006 | Conocophillips Company | B.M.T. A #16 | 9,400 | 47939411 |
| 613416 | Feb 1, 2006 | Feb 1, 2006 | EOG Resources, Inc. | Benavides FMT #7HH | 12,000 | 47939408 |
| 613416Amendment | Feb 1, 2006 | Feb 1, 2006 | EOG Resources, Inc. | Benavides FMT #7HH | 12,000 | 47939408 |
| 613185 | Feb 1, 2006 | Feb 1, 2006 | Killam Oil Co., Ltd. | Killam Hurd McLean 121 #5 | 17,000 | 47939405 |
| 613185Amendment | Feb 1, 2006 | Feb 1, 2006 | Killam Oil Co., Ltd. | Killam Hurd McLean 121 #5 | 14,925 | 47939405 |
| 613339 | Jan 31, 2006 | Jan 31, 2006 | Virtex Petroleum Company, Inc. | Palafox Exploration Co "A" #9 | 7,300 | 47939406 |
| 612922 | Jan 30, 2006 | Jan 30, 2006 | Evans, S. Lavon Jr. Oper. Co. | Los Ojuelos Mineral Trust #4 | 13,500 | 47939400 |
| 612922Amendment | Jan 30, 2006 | Jan 30, 2006 | Evans, S. Lavon Jr. Oper. Co. | Los Ojuelos Mineral Trust #4 | 13,500 | 47939400 |
| 612920 | Jan 30, 2006 | Jan 30, 2006 | Evans, S. Lavon Jr. Oper. Co. | Los Ojuelos Mineral Trust #3 | 13,500 | 47939399 |
| 613204 | Jan 27, 2006 | Jan 27, 2006 | Lewis Petro Properties, Inc. | Saunders-State 108 #5 | 8,700 | 47939404 |
| 613128 | Jan 27, 2006 | Jan 27, 2006 | Huber Energy L.P. | Briscoe G #7 | 6,000 | 47939403 |
| 613123 | Jan 27, 2006 | Jan 27, 2006 | Huber Energy L.P. | Briscoe G #6 | 6,000 | 47939402 |
| 613122 | Jan 27, 2006 | Jan 27, 2006 | Huber Energy L.P. | Briscoe B #4 | 6,000 | 47939401 |
| 613087 | Jan 26, 2006 | Jan 26, 2006 | Conocophillips Company | Bruni Ranch #79 | 10,050 | 47937848 |
| 613058 | Jan 26, 2006 | Jan 26, 2006 | Blackbrush O & G, Inc. | Petty Ranch #1116 | 5,500 | 47939398 |
| 612512 | Jan 24, 2006 | Jan 24, 2006 | Awp Operating Company | Stokes #4 | 7,700 | 47939393 |
| 612563 | Jan 23, 2006 | Jan 23, 2006 | Awp Operating Company | Booth, W. V. #13 | 7,000 | 47939395 |
| 612563Amendment | Jan 23, 2006 | Jan 23, 2006 | Awp Operating Company | Booth, W. V. #13 | 7,000 | 47939395 |
| 612762 | Jan 20, 2006 | Jan 20, 2006 | Lewis Petro Properties, Inc. | Leyendecker-Hunter "B" 1152 #18 | 7,800 | 47939396 |
| 612761 | Jan 20, 2006 | Jan 20, 2006 | Lewis Petro Properties, Inc. | Booth, W. V. et al 2292 #6HH | 10,200 | 47939397 |
| 611208 | Jan 20, 2006 | Jan 20, 2006 | Houston Exploration Company, The | D. Martinez #14 | 8,500 | 47939361 |
| 612605 | Jan 19, 2006 | Jan 19, 2006 | EOG Resources, Inc. | Benavides, Arturo #1 | 15,000 | 47939394 |
| 612605Amendment | Jan 19, 2006 | Jan 19, 2006 | EOG Resources, Inc. | Benavides, Arturo #1 | 15,000 | 47939394 |
| 612603 | Jan 18, 2006 | Jan 18, 2006 | Lewis Petro Properties, Inc. | Saunders 108H #1H | 9,800 | 47938565 |
| 612345 | Jan 18, 2006 | Jan 18, 2006 | Sabco Operating Company | Webb County School Land #17 | 7,121 | 47939392 |
| 612345Amendment | Jan 18, 2006 | Jan 18, 2006 | Sabco Operating Company | Webb County School Land #17 | 7,121 | 47939392 |
| 612344 | Jan 18, 2006 | Jan 18, 2006 | Sabco Operating Company | Webb County School Land #16 | 7,200 | 47939391 |
| 612341 | Jan 18, 2006 | Jan 18, 2006 | Sabco Operating Company | Webb County School Land #15 | 7,280 | 47939390 |
| 612338 | Jan 18, 2006 | Jan 18, 2006 | Sabco Operating Company | Webb County School Land #14 | 7,300 | 47939389 |
| 612482 | Jan 17, 2006 | Jan 17, 2006 | Lewis Petro Properties, Inc. | Owen Briscoe 1134 #1 | 7,800 | 47939388 |
| 612397 | Jan 13, 2006 | Jan 13, 2006 | Killam Oil Co., Ltd. | Dcrc Section 3B #37 | 3,000 | 47939387 |
| 612314 | Jan 12, 2006 | Jan 12, 2006 | Conocophillips Company | Bruni Ranch #71 | 9,860 | 47937634 |
| 612307 | Jan 12, 2006 | Jan 12, 2006 | Conocophillips Company | B.M.T. A #17 | 9,390 | 47939386 |
| 612281 | Jan 12, 2006 | Jan 12, 2006 | Lewis Petro Properties, Inc. | Wright Land & Cattle #2 | 7,800 | 47939385 |
| 612278 | Jan 12, 2006 | Jan 12, 2006 | Lewis Petro Properties, Inc. | Beasley Welhausen State 105 #29 | 7,200 | 47939384 |
| 612026 | Jan 12, 2006 | Jan 12, 2006 | Conocophillips Company | B.M.T. #152 | 11,700 | 47939382 |
| 612157 | Jan 11, 2006 | Jan 11, 2006 | Virtex Petroleum Company, Inc. | Fasken Land & Mineral St of TX #6001 | 7,300 | 47939383 |