| 732009Amendment | Jan 26, 2012 | Jan 26, 2012 | TXP, Incorporated | Sugg Farmar '6' #223534960 | 7,900 |
| 731991 | Jan 26, 2012 | Jan 26, 2012 | TXP, Incorporated | Sugg Farmar '5' #323534959 | 7,500 |
| 731735 | Jan 23, 2012 | Jan 23, 2012 | EOG Resources, Inc. | Mayer 49 #1WD23534958 | 9,800 |
| 731735Amendment | Jan 23, 2012 | Jan 23, 2012 | EOG Resources, Inc. | Mayer #4901WD23534958 | 11,000 |
| 731579 | Jan 21, 2012 | Jan 21, 2012 | Apache Corporation | Bennie 4342 #2HH23534957 | 7,050 |
| 731577 | Jan 21, 2012 | Jan 21, 2012 | Apache Corporation | Bennie 4342 #1HH23534956 | 7,050 |
| 731568 | Jan 20, 2012 | Jan 20, 2012 | EOG Resources, Inc. | Faudree #6HH23534955 | 6,150 |
| 731551 | Jan 20, 2012 | Jan 20, 2012 | EOG Resources, Inc. | Mayer #5009HH23534954 | 6,800 |
| 731551Amendment | Jan 20, 2012 | Jan 20, 2012 | EOG Resources, Inc. | Mayer #5009HH23534954 | 6,800 |
| 731542 | Jan 20, 2012 | Jan 20, 2012 | EOG Resources, Inc. | Mayer #5007HH23534949 | 6,800 |
| 731542Amendment | Jan 20, 2012 | Jan 20, 2012 | EOG Resources, Inc. | Mayer #5007HH23534949 | 6,800 |
| 731540 | Jan 20, 2012 | Jan 20, 2012 | EOG Resources, Inc. | Mayer #5005HH23534952 | 6,800 |
| 731539 | Jan 20, 2012 | Jan 20, 2012 | EOG Resources, Inc. | Mayer #5003HH23534948 | 6,800 |
| 731527 | Jan 20, 2012 | Jan 20, 2012 | EOG Resources, Inc. | Faudree #5HH23534947 | 6,150 |
| 731104 | Jan 20, 2012 | Jan 20, 2012 | Fiml Natural Resources, LLC | Rock Hollow #186L23534953 | 9,500 |
| 731086 | Jan 20, 2012 | Jan 20, 2012 | Fiml Natural Resources, LLC | Rock Hollow #186E23534951 | 9,500 |
| 731486 | Jan 19, 2012 | Jan 19, 2012 | Petrodata Resources, Inc. | Magruder #223534945 | 7,000 |
| 731457 | Jan 19, 2012 | Jan 19, 2012 | El Paso E & P Company, L. P. | University 43-17 #2HH23534944 | 12,990 |
| 731037 | Jan 19, 2012 | Jan 19, 2012 | Fiml Natural Resources, LLC | Cat Claw #82E23534950 | 9,500 |
| 731008 | Jan 19, 2012 | Jan 19, 2012 | Fiml Natural Resources, LLC | Cat Claw #82C23534946 | 9,500 |
| 728644 | Jan 13, 2012 | Jan 13, 2012 | Three Rivers Operating Co LLC | Sugg AA 3059 #3A23534918 | 6,600 |
| 728633 | Jan 13, 2012 | Jan 13, 2012 | Three Rivers Operating Co LLC | Sugg 3060 NW #1A23534916 | 6,500 |
| 728633Amendment | Jan 13, 2012 | Jan 13, 2012 | Three Rivers Operating Co LLC | Sugg 3060 NW #1A23534916 | 7,500 |
| 731083 | Jan 11, 2012 | Jan 11, 2012 | Fiml Natural Resources, LLC | Rock Hollow #191M23534943 | 9,500 |
| 731063 | Jan 10, 2012 | Jan 10, 2012 | Fiml Natural Resources, LLC | Rock Hollow #191A23534942 | 9,500 |
| 730642 | Dec 30, 2011 | Dec 30, 2011 | Devon Energy Production Co, L.P. | Coronado #2HH23534941 | 7,100 |
| 730446 | Dec 28, 2011 | Dec 28, 2011 | Three Rivers Operating Co LLC | Mayse 3068 #1023534940 | 7,000 |
| 730444 | Dec 28, 2011 | Dec 28, 2011 | Three Rivers Operating Co LLC | Sugg 3060 #523534939 | 7,500 |
| 730132 | Dec 28, 2011 | Dec 28, 2011 | Fiml Natural Resources, LLC | Pecan A #1945J23534938 | 9,500 |
| 730033 | Dec 21, 2011 | Dec 21, 2011 | Fiml Natural Resources, LLC | Pecan A #1945F23534937 | 9,500 |
| 730027 | Dec 21, 2011 | Dec 21, 2011 | Fiml Natural Resources, LLC | Pecan A #1945A23534936 | 9,500 |
| 730031 | Dec 20, 2011 | Dec 20, 2011 | EOG Resources, Inc. | University 43 #0911HH23534935 | 6,800 |
| 730031Amendment | Dec 20, 2011 | Dec 20, 2011 | EOG Resources, Inc. | University 43 #0911HH23534935 | 6,800 |
| 730029 | Dec 19, 2011 | Dec 19, 2011 | EOG Resources, Inc. | Linthicum M #5HH23534934 | 6,200 |
| 730021 | Dec 19, 2011 | Dec 19, 2011 | EOG Resources, Inc. | Linthicum M #4HH23534933 | 6,200 |
| 729992 | Dec 19, 2011 | Dec 19, 2011 | EOG Resources, Inc. | University 43 #0909HH23534932 | 6,800 |
| 729992Amendment | Dec 19, 2011 | Dec 19, 2011 | EOG Resources, Inc. | University 43 #0909HH23534932 | 6,800 |
| 729989 | Dec 19, 2011 | Dec 19, 2011 | EOG Resources, Inc. | University 43 #0907HH23534931 | 6,750 |
| 729986 | Dec 19, 2011 | Dec 19, 2011 | EOG Resources, Inc. | University 43 #0905HH23534930 | 6,750 |
| 729986Amendment | Dec 19, 2011 | Dec 19, 2011 | EOG Resources, Inc. | University 43 #0905HH23534930 | 6,750 |
| 729622 | Dec 15, 2011 | Dec 15, 2011 | Fiml Natural Resources, LLC | Rock Hollow #190P23534929 | 9,500 |
| 729597 | Dec 15, 2011 | Dec 15, 2011 | Fiml Natural Resources, LLC | Rock Hollow #190C23534928 | 9,500 |
| 729583 | Dec 15, 2011 | Dec 15, 2011 | Fiml Natural Resources, LLC | Rock Hollow A #188N23534927 | 9,500 |
| 729483 | Dec 13, 2011 | Dec 13, 2011 | Fiml Natural Resources, LLC | Rock Hollow A #188L23534926 | 9,500 |
| 729553 | Dec 12, 2011 | Dec 12, 2011 | EOG Resources, Inc. | University 43 #0903HH23534925 | 6,750 |
| 729331 | Dec 10, 2011 | Dec 10, 2011 | Three Rivers Operating Co LLC | Pfluger M #30823534922 | 8,500 |
| 729331Amendment | Dec 10, 2011 | Dec 10, 2011 | Three Rivers Operating Co LLC | Pfluger M #30823534922 | 9,000 |
| 729326 | Dec 10, 2011 | Dec 10, 2011 | Three Rivers Operating Co LLC | Pfluger M #30723534921 | 8,500 |
| 729326Amendment | Dec 10, 2011 | Dec 10, 2011 | Three Rivers Operating Co LLC | Pfluger M #30723534921 | 9,000 |
| 729322 | Dec 10, 2011 | Dec 10, 2011 | Three Rivers Operating Co LLC | Pfluger M #30623534920 | 8,500 |
| 729322Amendment | Dec 10, 2011 | Dec 10, 2011 | Three Rivers Operating Co LLC | Pfluger M #30623534920 | 9,000 |
| 729317 | Dec 10, 2011 | Dec 10, 2011 | Three Rivers Operating Co LLC | Pfluger M #30523534919 | 10,000 |
| 729154 | Dec 10, 2011 | Dec 10, 2011 | Fiml Natural Resources, LLC | Rock Hollow B #163P23534924 | 9,500 |
| 729227 | Dec 9, 2011 | Dec 9, 2011 | Strand Energy, L.C. | Hamilton #1023534923 | 6,800 |
| 728992 | Dec 1, 2011 | Dec 1, 2011 | Three Rivers Operating Co LLC | Kerr-McGee-Suggs #123531306 | 8,079 |
| 728992Amendment | Dec 1, 2011 | Dec 1, 2011 | Three Rivers Operating Co LLC | Kerr-McGee-Suggs #123531306 | 8,200 |
| 728802 | Nov 28, 2011 | Nov 28, 2011 | Three Rivers Operating Co LLC | Houser 33 #123534915 | 7,500 |
| 728797 | Nov 28, 2011 | Nov 28, 2011 | Three Rivers Operating Co LLC | Houser 32 #223534914 | 7,500 |
| 728656 | Nov 22, 2011 | Nov 22, 2011 | Fiml Natural Resources, LLC | Rocker B A #187D23534912 | 9,500 |
| 728437 | Nov 22, 2011 | Nov 22, 2011 | Three Rivers Operating Co LLC | Schlinke 7 #123534913 | 7,500 |
| 728239 | Nov 21, 2011 | Nov 21, 2011 | Fiml Natural Resources, LLC | Rocker B A #187G23534911 | 9,500 |
| 728340 | Nov 18, 2011 | Nov 18, 2011 | Exco Resources, Inc. | Sheen '8B' #223534910 | 8,000 |
| 728340Amendment | Nov 18, 2011 | Nov 18, 2011 | Exco Resources, Inc. | Sheen '8B' #223534910 | 8,000 |
| 728112 | Nov 18, 2011 | Nov 18, 2011 | EOG Resources, Inc. | University 43 'A' #0807HH23534902 | 6,800 |
| 728111 | Nov 18, 2011 | Nov 18, 2011 | EOG Resources, Inc. | University 43 'A' #0806HH23534901 | 6,800 |
| 728111Amendment | Nov 18, 2011 | Nov 18, 2011 | EOG Resources, Inc. | University 43 'A' #0806HH23534901 | 6,800 |
| 728107 | Nov 18, 2011 | Nov 18, 2011 | EOG Resources, Inc. | University 43 'A' #0805HH23534900 | 6,800 |
| 728100 | Nov 18, 2011 | Nov 18, 2011 | EOG Resources, Inc. | University 43 'A' #0804HH23534899 | 6,800 |
| 728088 | Nov 18, 2011 | Nov 18, 2011 | EOG Resources, Inc. | University 43 'A' #0803HH23534898 | 6,800 |
| 728084 | Nov 18, 2011 | Nov 18, 2011 | EOG Resources, Inc. | University 43 'A' #0802HH23534897 | 6,800 |
| 727875 | Nov 17, 2011 | Nov 17, 2011 | Fiml Natural Resources, LLC | Pecan A #3003A23534909 | 9,500 |
| 727827 | Nov 16, 2011 | Nov 16, 2011 | Fiml Natural Resources, LLC | Rocker B B #165E23534908 | 9,500 |
| 728123 | Nov 15, 2011 | Nov 15, 2011 | Three Rivers Operating Co LLC | Schlinke 17 #623534907 | 7,500 |
| 728123Amendment | Nov 15, 2011 | Nov 15, 2011 | Three Rivers Operating Co LLC | Schlinke 17 #623534907 | 9,000 |
| 728122 | Nov 15, 2011 | Nov 15, 2011 | Three Rivers Operating Co LLC | Schlinke 8 #123534906 | 7,500 |
| 728122Amendment | Nov 15, 2011 | Nov 15, 2011 | Three Rivers Operating Co LLC | Schlinke 8 #123534906 | 9,000 |
| 728120 | Nov 15, 2011 | Nov 15, 2011 | Three Rivers Operating Co LLC | Schlinke 41 #223534905 | 7,500 |
| 728120Amendment | Nov 15, 2011 | Nov 15, 2011 | Three Rivers Operating Co LLC | Schlinke 41 #223534905 | 9,000 |
| 728119 | Nov 15, 2011 | Nov 15, 2011 | Three Rivers Operating Co LLC | Schlinke 17 #723534904 | 7,500 |
| 728103 | Nov 15, 2011 | Nov 15, 2011 | Devon Energy Production Co, L.P. | Orellana #2HH23534903 | 6,260 |
| 728103Amendment | Nov 15, 2011 | Nov 15, 2011 | Devon Energy Production Co, L.P. | Orellana 'A' #2HH23534903 | 9,000 |
| 728078 | Nov 15, 2011 | Nov 15, 2011 | EOG Resources, Inc. | University 43 'A' #0801HH23534896 | 6,800 |
| 727603 | Nov 14, 2011 | Nov 14, 2011 | Exco Resources, Inc. | Middle Concho '1904' #123534895 | 8,000 |
| 727821 | Nov 10, 2011 | Nov 10, 2011 | Fiml Natural Resources, LLC | Rocker B B #164N23534894 | 9,500 |
| 727806 | Nov 9, 2011 | Nov 9, 2011 | Fiml Natural Resources, LLC | Rocker B B #165I23534893 | 9,500 |
| 727700 | Nov 9, 2011 | Nov 9, 2011 | EOG Resources, Inc. | Linthicum M #3HH23534892 | 6,200 |
| 727649 | Nov 8, 2011 | Nov 8, 2011 | EOG Resources, Inc. | University 40 #1004HH23534891 | 6,550 |
| 726778 | Nov 8, 2011 | Nov 8, 2011 | Coppertop | University 4 / BLK 43 #123532152 | 2,450 |
| 727471 | Nov 4, 2011 | Nov 4, 2011 | Strand Energy, L.C. | Magruder #370123534890 | 6,800 |
| 727401 | Nov 4, 2011 | Nov 4, 2011 | Apache Corporation | Scott-Sugg 5051 #1HH23534889 | 14,900 |
| 727401Amendment | Nov 4, 2011 | Nov 4, 2011 | Apache Corporation | Scott-Sugg 5051 #1HH23534889 | 14,900 |
| 727162 | Nov 2, 2011 | Nov 2, 2011 | EOG Resources, Inc. | University 40 #1005HH23534888 | 6,550 |
| 727174 | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1006HH23534887 | 6,550 |
| 727122 | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1003HH23534885 | 6,550 |
| 727122Amendment | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1003HH23534885 | 6,550 |
| 727122Amendment | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1003HH23534885 | 6,550 |
| 727117 | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1002HH23534884 | 6,550 |
| 727117Amendment | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1002HH23534884 | 6,550 |
| 727117Amendment | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1002HH23534884 | 6,550 |
| 727110 | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1001HH23534886 | 6,600 |