| 695813 | May 12, 2010 | May 12, 2010 | Legend Natural Gas III, LP | Galvan Ranch K16 #2 | 8,000 | 47940904 |
| 695810 | May 12, 2010 | May 12, 2010 | Legend Natural Gas III, LP | Galvan Ranch N8 #3 | 8,000 | 47940903 |
| 695797 | May 12, 2010 | May 12, 2010 | Rosetta Resources Operating LP | A. Barnes #1 | 6,000 | 47939900 |
| 695680 | May 10, 2010 | May 10, 2010 | Lewis Petro Properties, Inc. | Gates 07-Dr #3HH | 16,500 | 47940902 |
| 695641 | May 10, 2010 | May 10, 2010 | Conocophillips Company | B.M.T. #200 | 11,628 | 47940901 |
| 695615 | May 10, 2010 | May 10, 2010 | St. Mary Land & Exploration Co. | San Ambrosia C #2HH | 10,000 | 47940899 |
| 695615Amendment | May 10, 2010 | May 10, 2010 | St. Mary Land & Exploration Co. | San Ambrosia C #2HH | 10,000 | 47940899 |
| 695571 | May 7, 2010 | May 7, 2010 | Escondido Resources II, LLC | Uvalle State #1HH | 12,000 | 47940898 |
| 695384 | May 7, 2010 | May 7, 2010 | Laredo Energy | Rosa V. Benavides #6HH | 12,500 | 47940900 |
| 695478 | May 6, 2010 | May 6, 2010 | Rosetta Resources Operating LP | Flores #2 | 10,185 | 47940507 |
| 695482 | May 5, 2010 | May 5, 2010 | Chesapeake Operating, Inc. | Pge Dos #4HH | 12,000 | 47940897 |
| 695482Amendment | May 5, 2010 | May 5, 2010 | Chesapeake Operating, Inc. | Pge Dos #4HH | 12,000 | 47940897 |
| 695481 | May 5, 2010 | May 5, 2010 | Chesapeake Operating, Inc. | Pge Dos #3HH | 12,000 | 47940896 |
| 695425 | May 5, 2010 | May 5, 2010 | Lewis Petro Properties, Inc. | Gates "O" TR2 #3 | 6,200 | 47940895 |
| 695167 | Apr 29, 2010 | Apr 29, 2010 | Lewis Petro Properties, Inc. | Gates 07-Dr #2HH | 16,500 | 47940893 |
| 695062 | Apr 29, 2010 | Apr 29, 2010 | Chroma Operating, Inc. | Russell-Winch #28 | 10,250 | 47940894 |
| 695060 | Apr 29, 2010 | Apr 29, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B 1286 #4HH | 12,000 | 47940891 |
| 695151 | Apr 28, 2010 | Apr 28, 2010 | Devon Energy Production Co, L.P. | Vaquillas #11 | 8,800 | 47940892 |
| 694701 | Apr 28, 2010 | Apr 28, 2010 | Chesapeake Operating, Inc. | Pge Dos #2HH | 12,000 | 47940882 |
| 695070 | Apr 27, 2010 | Apr 27, 2010 | Escondido Resources II, LLC | Cerrito B #10HH | 9,000 | 47940890 |
| 695070Amendment | Apr 27, 2010 | Apr 27, 2010 | Escondido Resources II, LLC | Cerrito B #10HH | 15,000 | 47940890 |
| 695070Amendment | Apr 27, 2010 | Apr 27, 2010 | Escondido Resources II, LLC | Cerrito State #10 | 15,000 | 47940890 |
| 695033 | Apr 27, 2010 | Apr 27, 2010 | El Paso E & P Company, L. P. | Briscoe-Nunley "A" #1HH | 14,500 | 47940889 |
| 695033Amendment | Apr 27, 2010 | Apr 27, 2010 | El Paso E & P Company, L. P. | Briscoe-Nunley 'A' #1HH | 14,500 | 47940889 |
| 694836 | Apr 23, 2010 | Apr 23, 2010 | Rosetta Resources Operating LP | Gates 05-D #8016H | 9,000 | 47940886 |
| 694831 | Apr 23, 2010 | Apr 23, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #1026H | 9,500 | 47940888 |
| 694831Amendment | Apr 23, 2010 | Apr 23, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #1026H | 9,500 | 47940888 |
| 694798 | Apr 23, 2010 | Apr 23, 2010 | Chesapeake Operating, Inc. | Pge Browne #2HH | 9,000 | 47940887 |
| 694728 | Apr 23, 2010 | Apr 23, 2010 | Rosetta Resources Operating LP | Santa Cruz #3H | 12,000 | 47940885 |
| 694705 | Apr 23, 2010 | Apr 23, 2010 | Rosetta Resources Operating LP | Gates 05-D #14H | 9,000 | 47940883 |
| 694724 | Apr 21, 2010 | Apr 21, 2010 | Lewis Petro Properties, Inc. | Stewart Trust State #6HH | 16,000 | 47940884 |
| 694311 | Apr 21, 2010 | Apr 21, 2010 | Killam Oil Co., Ltd. | Puig "C" #5 | 9,260 | 47939857 |
| 694490 | Apr 20, 2010 | Apr 20, 2010 | Rosetta Resources Operating LP | Santa Cruz #2H | 12,000 | 47940881 |
| 694310 | Apr 20, 2010 | Apr 20, 2010 | Killam Oil Co., Ltd. | Puig "B" #4 | 9,640 | 47939709 |
| 694309 | Apr 20, 2010 | Apr 20, 2010 | Killam Oil Co., Ltd. | Puig "A" #1 | 10,570 | 47939346 |
| 694476 | Apr 16, 2010 | Apr 16, 2010 | Devon Energy Production Co, L.P. | Vaquillas #13HH | 10,000 | 47940880 |
| 694448 | Apr 15, 2010 | Apr 15, 2010 | Legend Natural Gas III, LP | Galvan Ranch J9 #3 | 8,000 | 47940879 |
| 694444 | Apr 15, 2010 | Apr 15, 2010 | Legend Natural Gas III, LP | Galvan Ranch P9 #4 | 8,000 | 47940877 |
| 694443 | Apr 15, 2010 | Apr 15, 2010 | St. Mary Land & Exploration Co. | Galvan Ranch #15HH | 10,000 | 47940878 |
| 694443Amendment | Apr 15, 2010 | Apr 15, 2010 | SM Energy Company | Galvan Ranch #15HH | 10,000 | 47940878 |
| 694443Amendment | Apr 15, 2010 | Apr 15, 2010 | SM Energy Company | Galvan Ranch #15HH | 10,000 | 47940878 |
| 694442 | Apr 15, 2010 | Apr 15, 2010 | Legend Natural Gas III, LP | Galvan Ranch P9 #3 | 8,000 | 47940876 |
| 694440 | Apr 15, 2010 | Apr 15, 2010 | Legend Natural Gas III, LP | Galvan Ranch P10 #3 | 8,000 | 47940875 |
| 694364 | Apr 15, 2010 | Apr 15, 2010 | Columbus Energy, LLC | D.D. Hachar #59QC | 2,500 | 47940874 |
| 694234 | Apr 12, 2010 | Apr 12, 2010 | Dewbre Petroleum Corporation | Moos Heirs "21" #2 | 2,750 | 47940873 |
| 694212 | Apr 12, 2010 | Apr 12, 2010 | Legend Natural Gas III, LP | Galvan Ranch P8 #4 | 8,000 | 47940871 |
| 694210 | Apr 12, 2010 | Apr 12, 2010 | Legend Natural Gas III, LP | Galvan Ranch P8 #3 | 8,000 | 47940870 |
| 694209 | Apr 12, 2010 | Apr 12, 2010 | Legend Natural Gas III, LP | Galvan Ranch P8 #2 | 8,000 | 47940872 |
| 694142 | Apr 12, 2010 | Apr 12, 2010 | Lewis Petro Properties, Inc. | San Roman 'A' #6HH | 13,500 | 47940868 |
| 694114 | Apr 12, 2010 | Apr 12, 2010 | Lewis Petro Properties, Inc. | San Roman "A" #4HH | 13,500 | 47940867 |
| 694087 | Apr 9, 2010 | Apr 9, 2010 | St. Mary Land & Exploration Co. | Briscoe C #3HH | 8,500 | 47940866 |
| 694019 | Apr 9, 2010 | Apr 9, 2010 | St. Mary Land & Exploration Co. | Briscoe C #2HH | 8,500 | 47940865 |
| 693985 | Apr 9, 2010 | Apr 9, 2010 | St. Mary Land & Exploration Co. | Galvan Ranch #16HH | 10,000 | 47940869 |
| 693985Amendment | Apr 9, 2010 | Apr 9, 2010 | SM Energy Company | Galvan Ranch #16HH | 10,000 | 47940869 |
| 693964 | Apr 8, 2010 | Apr 8, 2010 | Lewis Petro Properties, Inc. | San Roman "A" #5HH | 13,500 | 47940864 |
| 693783 | Apr 1, 2010 | Apr 1, 2010 | EOG Resources, Inc. | Staggs #19HH | 12,500 | 47940863 |
| 693777 | Apr 1, 2010 | Apr 1, 2010 | EOG Resources, Inc. | Staggs #18HH | 12,500 | 47940862 |
| 693698 | Mar 30, 2010 | Mar 30, 2010 | Legend Natural Gas III, LP | Galvan Ranch N10 #2 | 8,000 | 47940860 |
| 693697 | Mar 30, 2010 | Mar 30, 2010 | Legend Natural Gas III, LP | Galvan Ranch J13 #2 | 8,000 | 47940859 |
| 693695 | Mar 30, 2010 | Mar 30, 2010 | Legend Natural Gas III, LP | Galvan J #4 | 8,000 | 47940861 |
| 693659 | Mar 30, 2010 | Mar 30, 2010 | Laredo Energy | Rosa V. Benavides #5HH | 18,000 | 47940858 |
| 693659Amendment | Mar 30, 2010 | Mar 30, 2010 | Laredo Energy | Rosa V. Benavides #5HH | 18,000 | 47940858 |
| 693582 | Mar 29, 2010 | Mar 29, 2010 | Legend Natural Gas III, LP | Wright-Long Gas Unit #7 | 8,500 | 47940857 |
| 693581 | Mar 29, 2010 | Mar 29, 2010 | Legend Natural Gas III, LP | Wright-Long Gas Unit #6 | 8,500 | 47940856 |
| 693580 | Mar 29, 2010 | Mar 29, 2010 | Legend Natural Gas III, LP | Wright-Long Gas Unit #5 | 8,500 | 47940855 |
| 693577 | Mar 29, 2010 | Mar 29, 2010 | Lewis Petro Properties, Inc. | Huisache Cattle Company A #1 | 12,000 | 47940854 |
| 693577Amendment | Mar 29, 2010 | Mar 29, 2010 | Lewis Petro Properties, Inc. | Huisache Cattle Company A #1HH | 12,000 | 47940854 |
| 693476 | Mar 29, 2010 | Mar 29, 2010 | Legend Natural Gas III, LP | Galvan Ranch J12 #3 | 8,000 | 47940852 |
| 693477 | Mar 25, 2010 | Mar 25, 2010 | Legend Natural Gas III, LP | Galvan Ranch J11 #3 | 8,000 | 47940853 |
| 693475 | Mar 25, 2010 | Mar 25, 2010 | Legend Natural Gas III, LP | Galvan Ranch K14 #3 | 9,000 | 47940851 |
| 693474 | Mar 25, 2010 | Mar 25, 2010 | Legend Natural Gas III, LP | Galvan Ranch K13 #3 | 9,000 | 47940849 |
| 693472 | Mar 25, 2010 | Mar 25, 2010 | Legend Natural Gas III, LP | Galvan Ranch N11 #4 | 8,000 | 47940850 |
| 693362 | Mar 24, 2010 | Mar 24, 2010 | Killam Oil Co., Ltd. | Ortiz Ranch #1 | 9,000 | 47940848 |
| 693326 | Mar 24, 2010 | Mar 24, 2010 | Evolution Operating Co., Inc. | Garcia, et Al #1214D | 2,400 | 47901032 |
| 693291 | Mar 24, 2010 | Mar 24, 2010 | Evolution Operating Co., Inc. | Garcia, et Al #1212D | 2,400 | 47901031 |
| 693209 | Mar 22, 2010 | Mar 22, 2010 | Legend Natural Gas III, LP | Galvan Ranch N12 #4 | 8,000 | 47940846 |
| 693208 | Mar 22, 2010 | Mar 22, 2010 | Legend Natural Gas III, LP | Galvan Ranch N9 #4 | 8,000 | 47940845 |
| 693207 | Mar 22, 2010 | Mar 22, 2010 | Legend Natural Gas III, LP | Galvan Ranch N9 #3 | 8,000 | 47940844 |
| 693204 | Mar 22, 2010 | Mar 22, 2010 | Chesapeake Operating, Inc. | Pge Dos #1HH | 12,000 | 47940847 |
| 693204Amendment | Mar 22, 2010 | Mar 22, 2010 | Chesapeake Operating, Inc. | Pge Dos #1HH | 12,000 | 47940847 |
| 693177 | Mar 22, 2010 | Mar 22, 2010 | Ricochet Energy, Inc. | Las Blancas #3ST | 9,500 | 47940443 |
| 692946 | Mar 19, 2010 | Mar 19, 2010 | Lewis Petro Properties, Inc. | Laurel, F. D. #18HH | 12,000 | 47940841 |
| 692578 | Mar 19, 2010 | Mar 19, 2010 | Killam Oil Co., Ltd. | Killam and Hurd Fee 1504 #3 | 9,500 | 47940843 |
| 693071 | Mar 18, 2010 | Mar 18, 2010 | Virtex Operating Company, Inc. | Sally Zuck St of TX #8301 | 7,450 | 47940840 |
| 692989 | Mar 18, 2010 | Mar 18, 2010 | Laredo Energy | Hachar #1HH | 18,000 | 47940839 |
| 692989Amendment | Mar 18, 2010 | Mar 18, 2010 | Laredo Energy | Hachar #1HH | 18,000 | 47940839 |
| 692836 | Mar 17, 2010 | Mar 17, 2010 | Lewis Petro Properties, Inc. | Stewart Trust #5HH | 16,000 | 47940838 |
| 692836Amendment | Mar 17, 2010 | Mar 17, 2010 | Lewis Petro Properties, Inc. | Stewart Trust #5HH | 16,000 | 47940838 |
| 692780 | Mar 15, 2010 | Mar 15, 2010 | Devon Energy Production Co, L.P. | Vaquillas-State #7 | 8,200 | 47940837 |
| 692776 | Mar 15, 2010 | Mar 15, 2010 | Devon Energy Production Co, L.P. | Vaquillas-State #6 | 8,200 | 47940836 |
| 692724 | Mar 15, 2010 | Mar 15, 2010 | Lewis Petro Properties, Inc. | Beasley State 1628 #1HH | 16,000 | 47940835 |
| 691661 | Mar 15, 2010 | Mar 15, 2010 | Lewis Petro Properties, Inc. | Cox State 1470 GU #1HH | 16,000 | 47940822 |
| 691661Amendment | Mar 15, 2010 | Mar 15, 2010 | Lewis Petro Properties, Inc. | Cox State 1470 GU #1HH | 16,000 | 47940822 |
| 692596 | Mar 11, 2010 | Mar 11, 2010 | St. Mary Land & Exploration Co. | Briscoe C #4HH | 8,000 | 47940834 |
| 692596Amendment | Mar 11, 2010 | Mar 11, 2010 | SM Energy Company | Briscoe C #4HH | 8,000 | 47940834 |
| 692579 | Mar 10, 2010 | Mar 10, 2010 | Killam Oil Co., Ltd. | Killam and Hurd Fee 2005 #1 | 9,500 | 47940833 |
| 692203 | Mar 10, 2010 | Mar 10, 2010 | South Texas Operating Company | Villarreal "E" #1 | 12,500 | 47934028 |
| 692258 | Mar 8, 2010 | Mar 8, 2010 | XTO Energy Inc. | Las Raices Ranch #5HH | 17,500 | 47940831 |
| 692258Amendment | Mar 8, 2010 | Mar 8, 2010 | XTO Energy Inc. | Las Raices Ranch #5HH | 17,500 | 47940831 |
| 692258Amendment | Mar 8, 2010 | Mar 8, 2010 | XTO Energy Inc. | Las Raices Ranch #5HH | 17,500 | 47940831 |