| 559668 | Mar 29, 2005 | Mar 29, 2005 | Ricochet Energy, Inc. | Hubberd "B" #6 | 9,000 | 47939071 |
| 559668Amendment | Mar 29, 2005 | Mar 29, 2005 | Ricochet Energy, Inc. | Hubberd "B" #6 | 9,000 | 47939071 |
| 559578 | Mar 28, 2005 | Mar 28, 2005 | EOG Resources, Inc. | Benavides F. M. T. #5 | 11,000 | 47939070 |
| 559144 | Mar 24, 2005 | Mar 24, 2005 | Conocophillips Company | State Mineral Fee #3 | 10,450 | 47939064 |
| 559407 | Mar 23, 2005 | Mar 23, 2005 | Edge Petroleum Oper. Co., Inc. | Frost 45 #3 | 10,500 | 47939069 |
| 559298 | Mar 23, 2005 | Mar 23, 2005 | Blackbrush O & G, Inc. | Petty Ranch #1406 | 5,800 | 47939068 |
| 559247 | Mar 23, 2005 | Mar 23, 2005 | Blackbrush O & G, Inc. | Petty Ranch #1427 | 5,600 | 47939066 |
| 559328 | Mar 22, 2005 | Mar 22, 2005 | Lewis Petro Properties, Inc. | Fuller 2292 H #1H | 12,000 | 47938096 |
| 559280 | Mar 21, 2005 | Mar 21, 2005 | EOG Resources, Inc. | Staggs #3 HH | 12,500 | 47939067 |
| 559171 | Mar 17, 2005 | Mar 17, 2005 | Lewis Petro Properties, Inc. | Owens 2 #2 | 7,800 | 47939065 |
| 559152 | Mar 17, 2005 | Mar 17, 2005 | Chevron U. S. A. Inc. | Bruni Mineral Trust "C" #46 | 8,000 | 47939063 |
| 559084 | Mar 16, 2005 | Mar 16, 2005 | Denali Oil & Gas Management, LLC | Callaghan Ranch #65 | 7,000 | 47939062 |
| 559083 | Mar 16, 2005 | Mar 16, 2005 | Denali Oil & Gas Management, LLC | Callaghan Ranch #64 | 7,000 | 47939061 |
| 558876 | Mar 16, 2005 | Mar 16, 2005 | Blackbrush O & G, Inc. | Petty, O. S. #206 | 5,700 | 47932105 |
| 558522 | Mar 14, 2005 | Mar 14, 2005 | Conocophillips Company | Vaquillas Ranch L: #221 | 10,300 | 47939046 |
| 558896 | Mar 11, 2005 | Mar 11, 2005 | Virtex Petroleum Company, Inc. | James #26 | 7,800 | 47939060 |
| 558893 | Mar 11, 2005 | Mar 11, 2005 | Kebo Oil & Gas, Inc. | Rodriguez, M. J. #1 | 7,000 | 47939059 |
| 558893Amendment | Mar 11, 2005 | Mar 11, 2005 | Kebo Oil & Gas, Inc. | Rodriguez, Don Louis #1 | 7,000 | 47939059 |
| 558840 | Mar 10, 2005 | Mar 10, 2005 | EOG Resources, Inc. | Benavides, Arturo-State #2 HH | 13,000 | 47939056 |
| 558839 | Mar 10, 2005 | Mar 10, 2005 | EOG Resources, Inc. | Khe "A" #3 | 8,250 | 47939057 |
| 558838 | Mar 10, 2005 | Mar 10, 2005 | EOG Resources, Inc. | Khe Range #2 | 7,400 | 47939058 |
| 558758 | Mar 10, 2005 | Mar 10, 2005 | Conocophillips Company | Vaquillas Ranch Co. Ltd #71 | 10,100 | 47939055 |
| 558710 | Mar 10, 2005 | Mar 10, 2005 | Conocophillips Company | Vaquillas Ranch Co. S.G.U. #15 | 10,700 | 47939054 |
| 558680 | Mar 9, 2005 | Mar 9, 2005 | Conocophillips Company | Marrs McLean A #6 | 11,950 | 47939052 |
| 558714 | Mar 8, 2005 | Mar 8, 2005 | Ricochet Energy, Inc. | Hubberd "B" #5 | 9,000 | 47939053 |
| 558622 | Mar 7, 2005 | Mar 7, 2005 | Huber Energy L.P. | Briscoe E #140 | 6,000 | 47939051 |
| 558621 | Mar 7, 2005 | Mar 7, 2005 | Huber Energy L.P. | Briscoe E #178 | 6,000 | 47939050 |
| 558568 | Mar 4, 2005 | Mar 4, 2005 | Lewis Petro Properties, Inc. | Webb County School Land 1383 #19 C | 7,800 | 47939048 |
| 558564 | Mar 4, 2005 | Mar 4, 2005 | Lewis Petro Properties, Inc. | Meador, Mrs. H. S. #9 | 7,200 | 47939047 |
| 558511 | Mar 3, 2005 | Mar 3, 2005 | Thorp Petroleum Corporation | Bailey-Reese #4 | 13,000 | 47939045 |
| 558420 | Mar 2, 2005 | Mar 2, 2005 | Legend Natural Gas II, LP | Blocker Ranch A #9 | 6,000 | 47939044 |
| 558418 | Mar 2, 2005 | Mar 2, 2005 | Lewis Petro Properties, Inc. | Leyendecker-Hunter B 1152 #14 | 7,800 | 47939043 |
| 558374 | Mar 1, 2005 | Mar 1, 2005 | EOG Resources, Inc. | James Trust #14 | 7,700 | 47939042 |
| 557250 | Mar 1, 2005 | Mar 1, 2005 | Westport Oil and Gas Company, LP | McKendrick #22 | 10,000 | 47939007 |
| 557249 | Mar 1, 2005 | Mar 1, 2005 | Westport Oil and Gas Company, LP | McKendrick #21 | 10,000 | 47939008 |
| 558304 | Feb 28, 2005 | Feb 28, 2005 | EOG Resources, Inc. | Marshall State #3 | 13,000 | 47939041 |
| 558212 | Feb 28, 2005 | Feb 28, 2005 | Calpine Natural Gas L.P. | South Callaghan Ranch #231 | 9,000 | 47939040 |
| 558163 | Feb 24, 2005 | Feb 24, 2005 | Virtex Petroleum Company, Inc. | Ramirez #1 | 8,000 | 47939039 |
| 558148 | Feb 24, 2005 | Feb 24, 2005 | Legend Natural Gas II, LP | Briscoe 3-28 #3 | 5,400 | 47939037 |
| 558147 | Feb 24, 2005 | Feb 24, 2005 | Legend Natural Gas II, LP | Briscoe 3-17 #3 | 5,000 | 47939038 |
| 558146 | Feb 24, 2005 | Feb 24, 2005 | Legend Natural Gas II, LP | Apache #13 | 5,600 | 47939036 |
| 558143 | Feb 24, 2005 | Feb 24, 2005 | Edge Petroleum Oper. Co., Inc. | Frost 39 #2 | 11,700 | 47939035 |
| 558051 | Feb 24, 2005 | Feb 24, 2005 | Killam Oil Co., Ltd. | Vaquillas Borrego #18 | 1,430 | 47939034 |
| 557979 | Feb 23, 2005 | Feb 23, 2005 | Blackbrush O & G, Inc. | Brask State 1840 #8 | 5,700 | 47939031 |
| 557979Amendment | Feb 23, 2005 | Feb 23, 2005 | Blackbrush O & G, Inc. | Brask State 1840 #8 | 5,700 | 47939031 |
| 557944 | Feb 23, 2005 | Feb 23, 2005 | Killam Oil Co., Ltd. | Killam & Hurd Fee 1504 #1 | 8,500 | 47939032 |
| 557886 | Feb 23, 2005 | Feb 23, 2005 | Escondido Resources GP, LLC | Fasken #2 | 7,000 | 47939029 |
| 558011 | Feb 22, 2005 | Feb 22, 2005 | Huber Energy L.P. | Briscoe "J" #51 | 6,000 | 47939033 |
| 557946 | Feb 22, 2005 | Feb 22, 2005 | Houston Exploration Company, The | Hubberd, Wm. "C-1" #76 | 9,000 | 47939030 |
| 557885 | Feb 22, 2005 | Feb 22, 2005 | Killam Oil Co., Ltd. | Killam & Hurd Fee 1503 #1 | 8,500 | 47939028 |
| 557850 | Feb 18, 2005 | Feb 18, 2005 | Conocophillips Company | Vaquillas Ranch A12 #202 | 12,620 | 47939025 |
| 557840 | Feb 18, 2005 | Feb 18, 2005 | Conocophillips Company | B.M.T. A #12 | 9,250 | 47939024 |
| 557901 | Feb 17, 2005 | Feb 17, 2005 | Virtex Petroleum Company, Inc. | Austin-State of Texas #A 1 | 7,850 | 47939027 |
| 557876 | Feb 17, 2005 | Feb 17, 2005 | Lewis Petro Properties, Inc. | Meador, Mrs. H. S. #8 | 7,200 | 47939026 |
| 557819 | Feb 16, 2005 | Feb 16, 2005 | EOG Resources, Inc. | Slator Ranch "U" #1 | 11,500 | 47939023 |
| 557810 | Feb 16, 2005 | Feb 16, 2005 | Lewis Petro Properties, Inc. | Leyendecker-Hunter B 1152 #12 | 7,600 | 47939022 |
| 557788 | Feb 16, 2005 | Feb 16, 2005 | Escondido Resources GP, LLC | Fasken #1 | 7,000 | 47939021 |
| 557543 | Feb 16, 2005 | Feb 16, 2005 | Killam Oil Co., Ltd. | Killam-Hurd-McLean 121 #2 | 13,500 | 47939016 |
| 557773 | Feb 15, 2005 | Feb 15, 2005 | Huber Energy L.P. | Briscoe E #141 | 6,000 | 47939020 |
| 557716 | Feb 15, 2005 | Feb 15, 2005 | Chevron U. S. A. Inc. | Bruni Mineral Trust "B" #36 | 9,500 | 47939019 |
| 557491 | Feb 15, 2005 | Feb 15, 2005 | Awp Operating Company | Reese #2 | 7,800 | 47939015 |
| 557619 | Feb 14, 2005 | Feb 14, 2005 | Killam Oil Co., Ltd. | Killam & Hurd Fee Porcion 26 #3 | 8,000 | 47939018 |
| 557588 | Feb 11, 2005 | Feb 11, 2005 | Richman Petroleum Corp. | Saenz #1 | 13,700 | 47939017 |
| 557473 | Feb 10, 2005 | Feb 10, 2005 | Denali Oil & Gas Management, LLC | Callaghan Ranch #28 | 6,655 | 47930919 |
| 557484 | Feb 9, 2005 | Feb 9, 2005 | Lewis Petro Properties, Inc. | Palafox State AH #3 | 10,000 | 47938785 |
| 557484Amendment | Feb 9, 2005 | Feb 9, 2005 | Lewis Petro Properties, Inc. | Palafox State AH #3H | 10,000 | 47938785 |
| 557422 | Feb 8, 2005 | Feb 8, 2005 | Huber Energy L.P. | Briscoe "J" #52 | 6,000 | 47939013 |
| 557421 | Feb 8, 2005 | Feb 8, 2005 | Huber Energy L.P. | Briscoe "G" #5 | 6,000 | 47939014 |
| 557420 | Feb 8, 2005 | Feb 8, 2005 | Huber Energy L.P. | Brask #15 | 6,000 | 47939012 |
| 557414 | Feb 8, 2005 | Feb 8, 2005 | Lewis Petro Properties, Inc. | Beasley Welhausen State 104 #48 | 7,200 | 47939011 |
| 557413 | Feb 8, 2005 | Feb 8, 2005 | Lewis Petro Properties, Inc. | Leyendecker Hunter 1375 D #6 | 7,600 | 47939010 |
| 557273 | Feb 8, 2005 | Feb 8, 2005 | Conocophillips Company | Benavides, Rosa V. D2 #96 | 10,400 | 47939009 |
| 557161 | Feb 7, 2005 | Feb 7, 2005 | Huber Energy L.P. | Briscoe "E" #132 | 4,850 | 47938132 |
| 557119 | Feb 7, 2005 | Feb 7, 2005 | Killam Oil Co., Ltd. | Killam & Hurd Fee "B" G.U., 1859 #4 | 10,000 | 47939004 |
| 557047 | Feb 7, 2005 | Feb 7, 2005 | Killam Oil Co., Ltd. | Killam & Hurd Fee 1689 #3 | 10,000 | 47938999 |
| 555688 | Feb 4, 2005 | Feb 4, 2005 | Blackbrush O & G, Inc. | Brask State 1840 #11 | 5,600 | 47938960 |
| 555688Amendment | Feb 4, 2005 | Feb 4, 2005 | Blackbrush O & G, Inc. | Brask State 1840 #11 | 5,600 | 47938960 |
| 557211 | Feb 3, 2005 | Feb 3, 2005 | EOG Resources, Inc. | BMT Aviator #2 | 10,300 | 47939005 |
| 557174 | Feb 3, 2005 | Feb 3, 2005 | Blackbrush O & G, Inc. | Gates "E" TR6A #5 | 5,950 | 47939006 |
| 557174Amendment | Feb 3, 2005 | Feb 3, 2005 | Blackbrush O & G, Inc. | Gates "E" TR6A #5 | 5,950 | 47939006 |
| 557173 | Feb 3, 2005 | Feb 3, 2005 | Conocophillips Company | BMT #123 | 11,400 | 47937412 |
| 556273Amendment | Feb 3, 2005 | Feb 3, 2005 | Conocophillips Company | Vaquillas Ranch I #220 | 12,100 | 47938976 |
| 557148 | Feb 2, 2005 | Feb 2, 2005 | Chevron U. S. A. Inc. | Bruni Mineral Trust "B" #37 | 9,000 | 47939003 |
| 557142 | Feb 2, 2005 | Feb 2, 2005 | Huber Energy L.P. | Briscoe "E" #221 | 6,000 | 47939002 |
| 557142Amendment | Feb 2, 2005 | Feb 2, 2005 | Rockford Energy Partners II, LLC | Briscoe "E" #221 | 6,000 | 47939002 |
| 557141 | Feb 2, 2005 | Feb 2, 2005 | Huber Energy L.P. | Briscoe "E" #223 | 6,000 | 47939001 |
| 557091 | Feb 1, 2005 | Feb 1, 2005 | Zachry Exploration, Ltd. | Rancho Blanco #21 | 7,200 | 47939000 |
| 556947 | Jan 28, 2005 | Jan 28, 2005 | Lewis Petro Properties, Inc. | Trevino Ranch 2182 "H" #1H | 10,200 | 47938998 |
| 556947Amendment | Jan 28, 2005 | Jan 28, 2005 | Lewis Petro Properties, Inc. | Trevino Ranch 2182 "H" #1H | 10,200 | 47938998 |
| 556838 | Jan 28, 2005 | Jan 28, 2005 | Blackbrush O & G, Inc. | Petty Ranch #1321 | 5,500 | 47938997 |
| 555695 | Jan 28, 2005 | Jan 28, 2005 | Blackbrush O & G, Inc. | Brask Ranch #11 | 5,700 | 47938961 |
| 555695Amendment | Jan 28, 2005 | Jan 28, 2005 | Blackbrush O & G, Inc. | Brask Ranch #11 | 5,700 | 47938961 |
| 556859 | Jan 27, 2005 | Jan 27, 2005 | Edge Petroleum Oper. Co., Inc. | Lundell Ranch #21 | 11,000 | 47938996 |
| 556746 | Jan 27, 2005 | Jan 27, 2005 | Awp Operating Company | Wright-Long Gas Unit #3 | 7,700 | 47938995 |
| 556819 | Jan 26, 2005 | Jan 26, 2005 | Lewis Petro Properties, Inc. | Booth, W. V. Jr. "H" #5 BH | 10,200 | 47938994 |
| 556729 | Jan 25, 2005 | Jan 25, 2005 | Lewis Petro Properties, Inc. | Beasley 97 #22 | 7,200 | 47938993 |
| 556728 | Jan 25, 2005 | Jan 25, 2005 | Lewis Petro Properties, Inc. | Owen-Briscoe 1723 #1 | 7,800 | 47938992 |
| 556702 | Jan 25, 2005 | Jan 25, 2005 | Westport Oil and Gas Company, LP | Barrera-Leyendecker GU 2 #3 | 9,500 | 47938991 |
| 556649 | Jan 24, 2005 | Jan 24, 2005 | Virtex Petroleum Company, Inc. | E.S. Johns Estate #8 | 7,800 | 47939805 |
| 556648 | Jan 24, 2005 | Jan 24, 2005 | Virtex Petroleum Company, Inc. | E.S. Johns Estate #9 | 7,800 | 47939806 |