| 709579 | Feb 4, 2011 | Feb 4, 2011 | SM Energy Company | Galvan Ranch #A529HH | 10,000 | 47941184 |
| 709569 | Feb 4, 2011 | Feb 4, 2011 | SM Energy Company | Galvan Ranch #A527HH | 10,000 | 47941185 |
| 709588 | Feb 3, 2011 | Feb 3, 2011 | Rosetta Resources Operating LP | Gates 05-D #95H | 9,000 | 47940619 |
| 709578 | Feb 3, 2011 | Feb 3, 2011 | SM Energy Company | Briscoe C #9HH | 10,000 | 47941182 |
| 709576 | Feb 3, 2011 | Feb 3, 2011 | Rosetta Resources Operating LP | Gates 05-D #102H | 9,500 | 47940743 |
| 709572 | Feb 3, 2011 | Feb 3, 2011 | SM Energy Company | Galvan Ranch #A528HH | 10,000 | 47941181 |
| 709571 | Feb 3, 2011 | Feb 3, 2011 | Rosetta Resources Operating LP | Gates 05D #1287H | 9,500 | 47940744 |
| 709570 | Feb 3, 2011 | Feb 3, 2011 | Rosetta Resources Operating LP | Gates 05-D #707AH | 9,500 | 47940771 |
| 709567 | Feb 3, 2011 | Feb 3, 2011 | Rosetta Resources Operating LP | Gates 05-D #606AH | 9,500 | 47940811 |
| 709516 | Feb 3, 2011 | Feb 3, 2011 | Lewis Petro Properties, Inc. | Daniel Sanchez #2HH | 12,500 | 47941179 |
| 709514 | Feb 3, 2011 | Feb 3, 2011 | Lewis Petro Properties, Inc. | Gates 10-Dr #17HH | 16,500 | 47941180 |
| 709450 | Feb 3, 2011 | Feb 3, 2011 | Lewis Petro Properties, Inc. | Fasken State a 2716 #4HH | 17,000 | 47941175 |
| 709366 | Feb 3, 2011 | Feb 3, 2011 | Escondido Resources II, LLC | Cerrito B #14HH | 14,000 | 47941186 |
| 709500 | Feb 2, 2011 | Feb 2, 2011 | Rosetta Resources Operating LP | Gates 09 Rose a BVP #6H | 8,600 | 47941178 |
| 709498 | Feb 2, 2011 | Feb 2, 2011 | Rosetta Resources Operating LP | Gates 09 Rose a BVP #5H | 8,600 | 47941177 |
| 709494 | Feb 2, 2011 | Feb 2, 2011 | Rosetta Resources Operating LP | Gates 09 Rose a BVP #4H | 8,600 | 47941176 |
| 709264 | Feb 2, 2011 | Feb 2, 2011 | SM Energy Company | Briscoe C GU1 #10HH | 10,000 | 47941172 |
| 709264Amendment | Feb 2, 2011 | Feb 2, 2011 | SM Energy Company | Briscoe C (SA2) #10HH | 8,000 | 47941172 |
| 708907 | Feb 2, 2011 | Feb 2, 2011 | Killam Oil Co., Ltd. | Garcia #4202 | 2,300 | 47941174 |
| 709336 | Jan 31, 2011 | Jan 31, 2011 | Lewis Petro Properties, Inc. | Gonzalez, J.I #1 | 12,500 | 47941173 |
| 709336Amendment | Jan 31, 2011 | Jan 31, 2011 | Lewis Petro Properties, Inc. | J.I Gonzalez #1HH | 12,500 | 47941173 |
| 709139 | Jan 28, 2011 | Jan 28, 2011 | Killam Oil Co., Ltd. | Puig-Ruthada #17 | 2,000 | 47935249 |
| 708948 | Jan 27, 2011 | Jan 27, 2011 | Mohican Operating, L.L.C. | Carr Lundell Pooled Gas Unit #1 | 10,000 | 47941171 |
| 708719 | Jan 21, 2011 | Jan 21, 2011 | Escondido Resources II, LLC | Stokes-Krueger Unit #1HH | 14,000 | 47941170 |
| 708680 | Jan 21, 2011 | Jan 21, 2011 | SM Energy Company | Galvan Ranch #28HH | 10,000 | 47941169 |
| 708680Amendment | Jan 21, 2011 | Jan 21, 2011 | SM Energy Company | Galvan Ranch #28HH | 10,000 | 47941169 |
| 708560 | Jan 21, 2011 | Jan 21, 2011 | Escondido Resources II, LLC | Cerrito #2 | 8,500 | 47940598 |
| 708547 | Jan 19, 2011 | Jan 19, 2011 | SM Energy Company | Galvan Ranch #27HH | 10,000 | 47941168 |
| 708547Amendment | Jan 19, 2011 | Jan 19, 2011 | SM Energy Company | Galvan Ranch #27HH | 10,000 | 47941168 |
| 708526 | Jan 19, 2011 | Jan 19, 2011 | Lewis Petro Properties, Inc. | Northeast Complex #2HH | 12,500 | 47941167 |
| 708489 | Jan 19, 2011 | Jan 19, 2011 | Rosetta Resources Operating LP | Gates 09 Rose B #501H | 8,600 | 47941166 |
| 708487 | Jan 19, 2011 | Jan 19, 2011 | SM Energy Company | Galvan Ranch #26HH | 10,000 | 47941165 |
| 708487Amendment | Jan 19, 2011 | Jan 19, 2011 | SM Energy Company | Galvan Ranch #26HH | 10,000 | 47941165 |
| 708483 | Jan 14, 2011 | Jan 14, 2011 | Rosetta Resources Operating LP | Gates 09 Rose B #401H | 8,600 | 47941164 |
| 708478 | Jan 14, 2011 | Jan 14, 2011 | Rosetta Resources Operating LP | Gates 09 Rose B #301H | 8,600 | 47941163 |
| 708414 | Jan 14, 2011 | Jan 14, 2011 | XTO Energy Inc. | Las Raices Ranch #3HH | 15,458 | 47940786 |
| 708413 | Jan 14, 2011 | Jan 14, 2011 | XTO Energy Inc. | Las Raices Ranch #2HH | 16,169 | 47940799 |
| 708406 | Jan 14, 2011 | Jan 14, 2011 | XTO Energy Inc. | Las Raices Ranch #1HH | 15,757 | 47940787 |
| 708256 | Jan 13, 2011 | Jan 13, 2011 | Escondido Resources II, LLC | Cerrito #13HH | 14,000 | 47941162 |
| 708251 | Jan 13, 2011 | Jan 13, 2011 | Escondido Resources II, LLC | Cerrito #12HH | 14,000 | 47941161 |
| 708240 | Jan 12, 2011 | Jan 12, 2011 | EOG Resources, Inc. | Billings Ranch #10 | 11,500 | 47941160 |
| 708130 | Jan 12, 2011 | Jan 12, 2011 | Lewis Petro Properties, Inc. | La Moca Gas Unit H #14HH | 12,500 | 47941158 |
| 708110 | Jan 11, 2011 | Jan 11, 2011 | Lewis Petro Properties, Inc. | Thornbury GU #1HH | 12,500 | 47941159 |
| 708100 | Jan 10, 2011 | Jan 10, 2011 | Laredo Energy | State of Texas - A.E. Puig #1HH | 16,500 | 47941157 |
| 707791 | Jan 7, 2011 | Jan 7, 2011 | Rosetta Resources Operating LP | Gates 05-D #607H | 8,500 | 47941155 |
| 707923 | Jan 6, 2011 | Jan 6, 2011 | Laredo Energy | Puig #2HH | 16,000 | 47941156 |
| 707789 | Jan 6, 2011 | Jan 6, 2011 | Rosetta Resources Operating LP | Gates 05-D #507H | 8,500 | 47941154 |
| 707788 | Jan 6, 2011 | Jan 6, 2011 | Rosetta Resources Operating LP | Gates 05-D #407H | 8,500 | 47941153 |
| 707684 | Jan 3, 2011 | Jan 3, 2011 | SM Energy Company | Galvan Ranch #24HH | 10,000 | 47941152 |
| 707672 | Dec 30, 2010 | Dec 30, 2010 | Laredo Energy | L.F. Puig III #1HH | 16,500 | 47941151 |
| 707389 | Dec 22, 2010 | Dec 22, 2010 | Devon Energy Production Co, L.P. | Garner, John Ranch #5HH | 10,000 | 47941150 |
| 707389Amendment | Dec 22, 2010 | Dec 22, 2010 | Devon Energy Production Co, L.P. | John Garner Ranch #5HH | 10,000 | 47941150 |
| 707319 | Dec 21, 2010 | Dec 21, 2010 | Rosetta Resources Operating LP | Gates 10 Rose A #1003H | 8,450 | 47941149 |
| 707317 | Dec 21, 2010 | Dec 21, 2010 | Rosetta Resources Operating LP | Gates 10 Rose A #1002H | 8,500 | 47941148 |
| 707246 | Dec 21, 2010 | Dec 21, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #12HH | 9,000 | 47941147 |
| 707246Amendment | Dec 21, 2010 | Dec 21, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #12HH | 9,000 | 47941147 |
| 707246Amendment | Dec 21, 2010 | Dec 21, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #12HH | 9,000 | 47941147 |
| 707246Amendment | Dec 21, 2010 | Dec 21, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #E 2HH | 9,000 | 47941147 |
| 707245 | Dec 21, 2010 | Dec 21, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #11HH | 9,000 | 47941146 |
| 707245Amendment | Dec 21, 2010 | Dec 21, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #11HH | 9,000 | 47941146 |
| 706885 | Dec 21, 2010 | Dec 21, 2010 | Shell Western E&P | Piloncillo #D 2HH | 10,700 | 47941144 |
| 706885Amendment | Dec 21, 2010 | Dec 21, 2010 | Shell Western E&P | Piloncillo #D 2HH | 18,000 | 47941144 |
| 706884 | Dec 21, 2010 | Dec 21, 2010 | Shell Western E&P | Piloncillo #E 1HH | 11,950 | 47941143 |
| 706884Amendment | Dec 21, 2010 | Dec 21, 2010 | Shell Western E&P | Piloncillo #E 1HH | 15,000 | 47941143 |
| 706884Amendment | Dec 21, 2010 | Dec 21, 2010 | Shell Western E&P | Piloncillo #E 1HH | 15,000 | 47941143 |
| 707239 | Dec 20, 2010 | Dec 20, 2010 | EOG Resources, Inc. | BMT Aviator #2 | 9,850 | 47939005 |
| 707174 | Dec 20, 2010 | Dec 20, 2010 | Lewis Petro Properties, Inc. | Rubio #1 | 12,500 | 47941145 |
| 707174Amendment | Dec 20, 2010 | Dec 20, 2010 | Lewis Petro Properties, Inc. | Rubio #1HH | 17,000 | 47941145 |
| 707105 | Dec 17, 2010 | Dec 17, 2010 | Lewis Petro Properties, Inc. | Shipton #1 | 16,500 | 47941142 |
| 706988 | Dec 15, 2010 | Dec 15, 2010 | Devon Energy Production Co, L.P. | Vaquillas-State #7WD | 7,400 | 47940837 |
| 706821 | Dec 14, 2010 | Dec 14, 2010 | Laredo Energy | La Cruz Land #1HH | 16,500 | 47941141 |
| 706730 | Dec 14, 2010 | Dec 14, 2010 | Lewis Petro Properties, Inc. | La Moca Gas Unit I #11HH | 16,500 | 47941140 |
| 706730Amendment | Dec 14, 2010 | Dec 14, 2010 | Lewis Petro Properties, Inc. | La Moca Gas Unit I #11HH | 12,500 | 47941140 |
| 706546 | Dec 9, 2010 | Dec 9, 2010 | Laredo Energy | State of Texas - Prieto San Juan #1HH | 15,500 | 47941139 |
| 706354 | Dec 7, 2010 | Dec 7, 2010 | Lewis Petro Properties, Inc. | Cotulla #4HH | 16,500 | 47941138 |
| 706354Amendment | Dec 7, 2010 | Dec 7, 2010 | Lewis Petro Properties, Inc. | Cotulla #4H | 8,319 | 47941138 |
| 706323 | Dec 7, 2010 | Dec 7, 2010 | Lewis Petro Properties, Inc. | Laurel, F. D. #19HH | 16,500 | 47941137 |
| 706323Amendment | Dec 7, 2010 | Dec 7, 2010 | Lewis Petro Properties, Inc. | Laurel, F. D. #19HH | 12,500 | 47941137 |
| 706313 | Dec 7, 2010 | Dec 7, 2010 | Lewis Petro Properties, Inc. | Cotulla #3HH | 16,500 | 47941136 |
| 706313Amendment | Dec 7, 2010 | Dec 7, 2010 | Lewis Petro Properties, Inc. | Cotulla #3HH | 16,500 | 47941136 |
| 706294 | Dec 7, 2010 | Dec 7, 2010 | Rosetta Resources Operating LP | Gates 05D #706AH | 8,500 | 47941135 |
| 706294Amendment | Dec 7, 2010 | Dec 7, 2010 | Rosetta Resources Operating LP | Gates 05D #706AH | 8,500 | 47941135 |
| 706234 | Dec 6, 2010 | Dec 6, 2010 | Anadarko E&P Company LP | Worthey Ranch #19HH | 9,850 | 47941134 |
| 706232 | Dec 6, 2010 | Dec 6, 2010 | Anadarko E&P Company LP | Worthey Ranch #18HH | 9,850 | 47941133 |
| 706227 | Dec 6, 2010 | Dec 6, 2010 | Anadarko E&P Company LP | Worthey Ranch #17HH | 9,850 | 47941132 |
| 706208 | Dec 6, 2010 | Dec 6, 2010 | Anadarko E&P Company LP | Stanley Ranch #23HH | 9,800 | 47941131 |
| 706206 | Dec 6, 2010 | Dec 6, 2010 | Anadarko E&P Company LP | Stanley Ranch #22HH | 9,800 | 47941130 |
| 706205 | Dec 6, 2010 | Dec 6, 2010 | Anadarko E&P Company LP | Stanley Ranch #21HH | 9,800 | 47941129 |
| 706109 | Dec 3, 2010 | Dec 3, 2010 | Lewis Petro Properties, Inc. | Trevino Ranch #5HH | 17,000 | 47941128 |
| 704656 | Dec 3, 2010 | Dec 3, 2010 | Laredo Energy | Rosa V. Benavides #10 | 5,000 | 47941111 |
| 705702 | Nov 23, 2010 | Nov 23, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #201H | 8,600 | 47941127 |
| 705702Amendment | Nov 23, 2010 | Nov 23, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #201H | 8,600 | 47941127 |
| 705523 | Nov 23, 2010 | Nov 23, 2010 | Lewis Petro Properties, Inc. | Palafox 1034 #14HH | 16,500 | 47941126 |
| 705514 | Nov 19, 2010 | Nov 19, 2010 | Lewis Petro Properties, Inc. | Monnich Gas Unit #1HH | 17,000 | 47941125 |
| 705409 | Nov 19, 2010 | Nov 19, 2010 | Lewis Petro Properties, Inc. | Saunders-Eisenhauer State 35 #2 | 9,347 | 47938581 |
| 705505 | Nov 18, 2010 | Nov 18, 2010 | Lewis Petro Properties, Inc. | La Moca Gas Unit J #12HH | 12,500 | 47941124 |
| 705385 | Nov 18, 2010 | Nov 18, 2010 | SM Energy Company | Briscoe B GU3 #12HH | 8,500 | 47941122 |
| 705150 | Nov 15, 2010 | Nov 15, 2010 | SM Energy Company | Briscoe B #11HH | 8,500 | 47941121 |
| 705112 | Nov 15, 2010 | Nov 15, 2010 | Anadarko E&P Company LP | Worthey Ranch #4HH | 9,600 | 47941120 |
| 705109 | Nov 15, 2010 | Nov 15, 2010 | Anadarko E&P Company LP | Worthey Ranch #3HH | 9,600 | 47941119 |