| 692250 | Mar 5, 2010 | Mar 5, 2010 | XTO Energy Inc. | Las Raices Ranch #7HH | 19,500 | 47940832 |
| 692250Amendment | Mar 5, 2010 | Mar 5, 2010 | XTO Energy Inc. | Las Raices Ranch #7HH | 19,500 | 47940832 |
| 692227 | Mar 5, 2010 | Mar 5, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #2023H | 9,500 | 47940830 |
| 692227Amendment | Mar 5, 2010 | Mar 5, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #2023H | 9,500 | 47940830 |
| 691928 | Mar 1, 2010 | Mar 1, 2010 | Lewis Petro Properties, Inc. | N. D. Hachar Heirs #3HH | 12,000 | 47940828 |
| 691803 | Feb 25, 2010 | Feb 25, 2010 | Laredo Energy | G-B Minerals #1HH | 18,000 | 47940827 |
| 691803Amendment | Feb 25, 2010 | Feb 25, 2010 | Laredo Energy | G-B Minerals #1HH | 18,000 | 47940827 |
| 691781 | Feb 24, 2010 | Feb 24, 2010 | Rosetta Resources Operating LP | South Callaghan Ranch #343 | 8,000 | 47940826 |
| 691768 | Feb 24, 2010 | Feb 24, 2010 | Escondido Resources II, LLC | Cerrito B #8HH | 9,000 | 47940825 |
| 691768Amendment | Feb 24, 2010 | Feb 24, 2010 | Escondido Resources II, LLC | Cerrito B #8HH | 9,000 | 47940825 |
| 691767 | Feb 24, 2010 | Feb 24, 2010 | Escondido Resources II, LLC | Cerrito B #7HH | 15,000 | 47940824 |
| 691767Amendment | Feb 24, 2010 | Feb 24, 2010 | Escondido Resources II, LLC | Cerrito B #7HH | 15,000 | 47940824 |
| 691698 | Feb 24, 2010 | Feb 24, 2010 | Lewis Petro Properties, Inc. | Briscoe-Manry 1131 #1HH | 12,000 | 47940823 |
| 691662 | Feb 23, 2010 | Feb 23, 2010 | Lewis Petro Properties, Inc. | Morse Hubbard Gas Unit "A" #1HH | 16,000 | 47940821 |
| 691272 | Feb 17, 2010 | Feb 17, 2010 | Chroma Operating, Inc. | Russell-Winch #25 | 10,700 | 47940819 |
| 691271 | Feb 17, 2010 | Feb 17, 2010 | Chroma Operating, Inc. | Welhausen, J.R. #5 | 10,700 | 47940820 |
| 691157 | Feb 12, 2010 | Feb 12, 2010 | Lewis Petro Properties, Inc. | N. D. Hachar Heirs #6HH | 9,500 | 47940818 |
| 691181 | Feb 11, 2010 | Feb 11, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #101H | 9,500 | 47940817 |
| 691181Amendment | Feb 11, 2010 | Feb 11, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #101H | 9,500 | 47940817 |
| 691170 | Feb 11, 2010 | Feb 11, 2010 | Lewis Petro Properties, Inc. | Neel #4HH | 16,000 | 47940816 |
| 691008 | Feb 11, 2010 | Feb 11, 2010 | Killam Oil Co., Ltd. | Pescadito State 2024 #2 | 9,000 | 47940814 |
| 690652 | Feb 11, 2010 | Feb 11, 2010 | Escondido Resources II, LLC | Cerrito #6HH | 12,000 | 47940802 |
| 691090 | Feb 10, 2010 | Feb 10, 2010 | Lewis Petro Properties, Inc. | Fasken State 1561 #1HH | 16,000 | 47940815 |
| 690994 | Feb 10, 2010 | Feb 10, 2010 | St. Mary Land & Exploration Co. | San Ambrosia C #1HH | 9,500 | 47940813 |
| 690855 | Feb 9, 2010 | Feb 9, 2010 | Rosetta Resources Operating LP | Gates 05-D #606AH | 9,500 | 47940811 |
| 690858 | Feb 8, 2010 | Feb 8, 2010 | Rosetta Resources Operating LP | Gates 05-D #6012H | 8,900 | 47940812 |
| 690858Amendment | Feb 8, 2010 | Feb 8, 2010 | Rosetta Resources Operating LP | Gates 05-D #6012H | 8,900 | 47940812 |
| 690850 | Feb 8, 2010 | Feb 8, 2010 | St. Mary Land & Exploration Co. | San Ambrosia D #2HH | 9,500 | 47940809 |
| 690849 | Feb 8, 2010 | Feb 8, 2010 | Rosetta Resources Operating LP | Gates 09 Rose a BVP #02H | 9,500 | 47940810 |
| 690197 | Feb 8, 2010 | Feb 8, 2010 | Devon Energy Production Co, L.P. | Vaquillas #8 | 10,600 | 47940475 |
| 690809 | Feb 5, 2010 | Feb 5, 2010 | Rosetta Resources Operating LP | Gates 09 Rose a BVP #1H | 9,500 | 47940808 |
| 690809Amendment | Feb 5, 2010 | Feb 5, 2010 | Rosetta Resources Operating LP | Gates 09 Rose a BVP #1H | 9,500 | 47940808 |
| 690809Amendment | Feb 5, 2010 | Feb 5, 2010 | Rosetta Resources Operating LP | Gates 09 Rose a BVP #1H | 9,500 | 47940808 |
| 690803 | Feb 5, 2010 | Feb 5, 2010 | St. Mary Land & Exploration Co. | Galvan Ranch #12HH | 9,500 | 47940807 |
| 690803Amendment | Feb 5, 2010 | Feb 5, 2010 | SM Energy Company | Galvan Ranch #12HH | 9,500 | 47940807 |
| 690770 | Feb 5, 2010 | Feb 5, 2010 | St. Mary Land & Exploration Co. | San Ambrosia D #1HH | 9,500 | 47940806 |
| 690759 | Feb 5, 2010 | Feb 5, 2010 | L.O.G. Energy Exploration, Ltd. | Alexander Ranch #1 | 9,000 | 47940805 |
| 690723 | Feb 5, 2010 | Feb 5, 2010 | Rosetta Resources Operating LP | Gates 05-D #7015H | 9,000 | 47940803 |
| 690723Amendment | Feb 5, 2010 | Feb 5, 2010 | Rosetta Resources Operating LP | Gates 05-D #7015H | 9,000 | 47940803 |
| 690703 | Feb 3, 2010 | Feb 3, 2010 | Lewis Petro Properties, Inc. | Gates "N" TR1 #14HH | 10,500 | 47940804 |
| 690325 | Feb 3, 2010 | Feb 3, 2010 | Devon Energy Production Co, L.P. | Vaquillas #12HH | 9,700 | 47940800 |
| 690619 | Feb 2, 2010 | Feb 2, 2010 | EOG Resources, Inc. | Tully C. Garner #100HH | 11,100 | 47940801 |
| 690196 | Feb 1, 2010 | Feb 1, 2010 | Devon Energy Production Co, L.P. | Vaquillas #6HH | 9,602 | 47940322 |
| 690190 | Feb 1, 2010 | Feb 1, 2010 | Devon Energy Production Co, L.P. | Vaquillas #5 | 10,147 | 47940589 |
| 690165 | Feb 1, 2010 | Feb 1, 2010 | El Paso E & P Company, L. P. | Needmore #1HH | 13,000 | 47940797 |
| 690165Amendment | Feb 1, 2010 | Feb 1, 2010 | El Paso E & P Company, L. P. | Needmore #1HH | 13,000 | 47940797 |
| 690424 | Jan 29, 2010 | Jan 29, 2010 | Legend Natural Gas III, LP | Galvan O #3 | 8,000 | 47940798 |
| 690108 | Jan 29, 2010 | Jan 29, 2010 | EOG Resources, Inc. | Billings "B" #13HH | 12,100 | 47940795 |
| 689981 | Jan 29, 2010 | Jan 29, 2010 | Chevron U. S. A. Inc. | Villarreal #2 | 10,000 | 47940790 |
| 689981Amendment | Jan 29, 2010 | Jan 29, 2010 | Chevron U. S. A. Inc. | Villarreal #2 | 10,000 | 47940790 |
| 689938 | Jan 29, 2010 | Jan 29, 2010 | XTO Energy Inc. | Las Raices Ranch #2HH | 16,500 | 47940799 |
| 689938Amendment | Jan 29, 2010 | Jan 29, 2010 | XTO Energy Inc. | Las Raices Ranch #2HH | 16,500 | 47940799 |
| 690371 | Jan 28, 2010 | Jan 28, 2010 | Killam Oil Co., Ltd. | Garcia 42 #1 | 7,000 | 47940796 |
| 690371Amendment | Jan 28, 2010 | Jan 28, 2010 | Killam Oil Co., Ltd. | Garcia 42 #1 | 1,870 | 47940796 |
| 690348 | Jan 28, 2010 | Jan 28, 2010 | St. Mary Land & Exploration Co. | Galvan Ranch #14HH | 9,000 | 47940794 |
| 690348Amendment | Jan 28, 2010 | Jan 28, 2010 | St. Mary Land & Exploration Co. | Galvan Ranch #14HH | 10,000 | 47940794 |
| 690348Amendment | Jan 28, 2010 | Jan 28, 2010 | SM Energy Company | Galvan Ranch #14HH | 10,000 | 47940794 |
| 690333 | Jan 28, 2010 | Jan 28, 2010 | St. Mary Land & Exploration Co. | Galvan Ranch #10HH | 9,000 | 47940793 |
| 690333Amendment | Jan 28, 2010 | Jan 28, 2010 | St. Mary Land & Exploration Co. | Galvan Ranch #10HH | 9,000 | 47940793 |
| 690333Amendment | Jan 28, 2010 | Jan 28, 2010 | SM Energy Company | Galvan Ranch #10HH | 9,000 | 47940793 |
| 689836 | Jan 28, 2010 | Jan 28, 2010 | Ronde Operating, LLC | Callaghan Ranch #1 | 7,202 | 47904854 |
| 690254 | Jan 27, 2010 | Jan 27, 2010 | Lewis Petro Properties, Inc. | Maltsberger, W.A. #1HH | 16,000 | 47940791 |
| 690193 | Jan 27, 2010 | Jan 27, 2010 | Lewis Petro Properties, Inc. | Long, J. S. #1HH | 16,000 | 47940789 |
| 690063 | Jan 27, 2010 | Jan 27, 2010 | Legend Natural Gas III, LP | Galvan F #3 | 8,000 | 47940792 |
| 690148 | Jan 26, 2010 | Jan 26, 2010 | Conocophillips Company | BMT #198 | 11,800 | 47940788 |
| 689934 | Jan 25, 2010 | Jan 25, 2010 | XTO Energy Inc. | Las Raices Ranch #1HH | 16,500 | 47940787 |
| 689934Amendment | Jan 25, 2010 | Jan 25, 2010 | XTO Energy Inc. | Las Raices Ranch #1HH | 16,500 | 47940787 |
| 689909 | Jan 25, 2010 | Jan 25, 2010 | XTO Energy Inc. | Las Raices Ranch #3HH | 16,500 | 47940786 |
| 689909Amendment | Jan 25, 2010 | Jan 25, 2010 | XTO Energy Inc. | Las Raices Ranch #3HH | 16,500 | 47940786 |
| 689798 | Jan 22, 2010 | Jan 22, 2010 | Escondido Resources II, LLC | Cerrito #5HH | 12,000 | 47940777 |
| 689798Amendment | Jan 22, 2010 | Jan 22, 2010 | Escondido Resources II, LLC | Cerrito #5HH | 12,000 | 47940777 |
| 689987 | Jan 21, 2010 | Jan 21, 2010 | Legend Natural Gas III, LP | Galvan Ranch K14 #2 | 9,000 | 47940785 |
| 689956 | Jan 21, 2010 | Jan 21, 2010 | Lewis Petro Properties, Inc. | Stewart State #4HH | 12,500 | 47940784 |
| 689955 | Jan 21, 2010 | Jan 21, 2010 | Lewis Petro Properties, Inc. | Benavides, G. G. #4HH | 12,500 | 47940783 |
| 689954 | Jan 21, 2010 | Jan 21, 2010 | Lewis Petro Properties, Inc. | San Roman "A" #3HH | 16,000 | 47940782 |
| 689918 | Jan 21, 2010 | Jan 21, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #2024H | 9,500 | 47940781 |
| 689918Amendment | Jan 21, 2010 | Jan 21, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #2024H | 9,500 | 47940781 |
| 689896 | Jan 21, 2010 | Jan 21, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #1023H | 9,500 | 47940780 |
| 689896Amendment | Jan 21, 2010 | Jan 21, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #1023H | 9,500 | 47940780 |
| 689888 | Jan 21, 2010 | Jan 21, 2010 | Lewis Petro Properties, Inc. | Gates "O" TR3 #4 | 9,000 | 47940779 |
| 689710 | Jan 20, 2010 | Jan 20, 2010 | San Isidro Development Co, L. C. | C. H. Ramirez Minerals, Ltd B #2 | 8,500 | 47940778 |
| 689691 | Jan 19, 2010 | Jan 19, 2010 | Legend Natural Gas III, LP | Galvan Ranch J8 #4 | 8,000 | 47940768 |
| 689780 | Jan 15, 2010 | Jan 15, 2010 | Lewis Petro Properties, Inc. | N. D. Hachar Heirs #5HH | 9,500 | 47940775 |
| 689754 | Jan 15, 2010 | Jan 15, 2010 | St. Mary Land & Exploration Co. | Galvan Ranch #3HH | 9,500 | 47940776 |
| 689754Amendment | Jan 15, 2010 | Jan 15, 2010 | SM Energy Company | Galvan Ranch #3HH | 9,500 | 47940776 |
| 689743 | Jan 15, 2010 | Jan 15, 2010 | Lewis Petro Properties, Inc. | N. D. Hachar Heirs #4HH | 9,500 | 47940774 |
| 689695 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch P11 #4 | 8,000 | 47940773 |
| 689694 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan F #4 | 8,000 | 47940772 |
| 689693 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch K15 #2 | 8,000 | 47940770 |
| 689692 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch K9 #2 | 8,000 | 47940769 |
| 689690 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch L11 #4 | 8,000 | 47940767 |
| 689689 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch L10 #3 | 8,000 | 47940766 |
| 689688 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch P10 #2 | 8,000 | 47940765 |
| 689687 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch L9 #2 | 8,000 | 47940764 |
| 689686 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch P13 #4 | 8,000 | 47940763 |
| 689686Amendment | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch P13 #4 | 8,000 | 47940763 |
| 689685 | Jan 14, 2010 | Jan 14, 2010 | Legend Natural Gas III, LP | Galvan Ranch K13 #2 | 9,000 | 47940762 |
| 689676 | Jan 14, 2010 | Jan 14, 2010 | Rosetta Resources Operating LP | Gates 05-D #707AH | 9,500 | 47940771 |
| 689641 | Jan 14, 2010 | Jan 14, 2010 | Rosetta Resources Operating LP | Vela #01H | 12,000 | 47940465 |
| 689595 | Jan 13, 2010 | Jan 13, 2010 | Lewis Petro Properties, Inc. | Leyendecker-Hunter "B" 1152 #22 | 9,000 | 47940761 |