| 727110Amendment | Nov 1, 2011 | Nov 1, 2011 | EOG Resources, Inc. | University 40 #1001HH23534886 | 6,600 |
| 726970 | Oct 27, 2011 | Oct 27, 2011 | Three Rivers Operating Co LLC | Sugg 3070 #223534293 | 7,400 |
| 726845 | Oct 27, 2011 | Oct 27, 2011 | EOG Resources, Inc. | Linthicum 'A' #1HH23534882 | 6,280 |
| 726845Amendment | Oct 27, 2011 | Oct 27, 2011 | EOG Resources, Inc. | Linthicum 'A' #1HH23534882 | 6,750 |
| 726901 | Oct 26, 2011 | Oct 26, 2011 | Three Rivers Operating Co LLC | Sugg 3070 #923534437 | 6,922 |
| 726900 | Oct 26, 2011 | Oct 26, 2011 | Three Rivers Operating Co LLC | Sugg 3072 #323534449 | 7,122 |
| 726864 | Oct 26, 2011 | Oct 26, 2011 | EOG Resources, Inc. | Linthicum 'A' #2 HH23534883 | 6,300 |
| 726864Amendment | Oct 26, 2011 | Oct 26, 2011 | EOG Resources, Inc. | Linthicum 'A' #2 HH23534883 | 6,300 |
| 726853 | Oct 26, 2011 | Oct 26, 2011 | Three Rivers Operating Co LLC | Sugg 1896 #123534056 | 7,261 |
| 726831 | Oct 26, 2011 | Oct 26, 2011 | Three Rivers Operating Co LLC | Sugg 3073 #423534451 | 7,056 |
| 726755 | Oct 26, 2011 | Oct 26, 2011 | Three Rivers Operating Co LLC | Sugg AA 3059 #523534053 | 7,260 |
| 726487 | Oct 24, 2011 | Oct 24, 2011 | Fiml Natural Resources, LLC | Cat Claw #61M23534881 | 9,500 |
| 726482 | Oct 24, 2011 | Oct 24, 2011 | Fiml Natural Resources, LLC | Cat Claw #61K23534880 | 9,500 |
| 726288 | Oct 24, 2011 | Oct 24, 2011 | Pioneer Natural Res. USA, Inc. | Sugg 36 #123533768 | 7,040 |
| 726433 | Oct 20, 2011 | Oct 20, 2011 | EOG Resources, Inc. | Linthicum 'M' #2HH23534879 | 6,200 |
| 726359 | Oct 19, 2011 | Oct 19, 2011 | Exco Resources, Inc. | Sugg-Farmar '7' #623534330 | 6,700 |
| 725739 | Oct 19, 2011 | Oct 19, 2011 | Three Rivers Operating Co LLC | Pfluger M #30323534874 | 10,000 |
| 725730 | Oct 19, 2011 | Oct 19, 2011 | Three Rivers Operating Co LLC | Pfluger M #30223534878 | 8,500 |
| 725730Amendment | Oct 19, 2011 | Oct 19, 2011 | Three Rivers Operating Co LLC | Pfluger M #30223534878 | 9,000 |
| 725950 | Oct 14, 2011 | Oct 14, 2011 | Fiml Natural Resources, LLC | Antelope Draw A #107I23534872 | 9,500 |
| 725948 | Oct 14, 2011 | Oct 14, 2011 | Fiml Natural Resources, LLC | Antelope Draw A #107G23534871 | 9,500 |
| 725849 | Oct 14, 2011 | Oct 14, 2011 | Fiml Natural Resources, LLC | Antelope Draw A #107A23534870 | 9,500 |
| 725741 | Oct 14, 2011 | Oct 14, 2011 | Three Rivers Operating Co LLC | Pfluger M #30423534875 | 8,500 |
| 725741Amendment | Oct 14, 2011 | Oct 14, 2011 | Three Rivers Operating Co LLC | Pfluger M #30423534875 | 9,000 |
| 725722 | Oct 14, 2011 | Oct 14, 2011 | Three Rivers Operating Co LLC | Pfluger M #30123534877 | 8,500 |
| 725722Amendment | Oct 14, 2011 | Oct 14, 2011 | Three Rivers Operating Co LLC | Pfluger M #30123534877 | 9,000 |
| 726135 | Oct 13, 2011 | Oct 13, 2011 | Pioneer Natural Res. USA, Inc. | Rocker B '86' #323534876 | 9,200 |
| 725674 | Oct 12, 2011 | Oct 12, 2011 | Fiml Natural Resources, LLC | Antelope Draw B #3042O23534869 | 9,500 |
| 725672 | Oct 12, 2011 | Oct 12, 2011 | Fiml Natural Resources, LLC | Antelope Draw #3041J23534868 | 9,500 |
| 725602 | Oct 12, 2011 | Oct 12, 2011 | MTN Energy Inc | Venado Grande #123534873 | 3,300 |
| 725602Amendment | Oct 12, 2011 | Oct 12, 2011 | MTN Energy Inc | Venado Grande #123534873 | 10,000 |
| 725665 | Oct 7, 2011 | Oct 7, 2011 | Strand Energy, L.C. | Hamilton 'A' #1223534867 | 1,700 |
| 725387 | Oct 6, 2011 | Oct 6, 2011 | Fiml Natural Resources, LLC | Mallard A #3031J23534866 | 9,500 |
| 725386 | Oct 6, 2011 | Oct 6, 2011 | Fiml Natural Resources, LLC | Mallard A #1933C23534865 | 9,500 |
| 725439 | Oct 5, 2011 | Oct 5, 2011 | TXP, Incorporated | Sugg Farmar '6' #123534864 | 7,900 |
| 725382 | Oct 4, 2011 | Oct 4, 2011 | Fiml Natural Resources, LLC | Mallard A #1933F23534863 | 9,500 |
| 725123 | Sep 29, 2011 | Sep 29, 2011 | Three Rivers Operating Co LLC | Powers 14 #123534862 | 7,600 |
| 725044 | Sep 28, 2011 | Sep 28, 2011 | Three Rivers Operating Co LLC | Halcomb 34 #223534861 | 7,600 |
| 724872 | Sep 28, 2011 | Sep 28, 2011 | Exco Resources, Inc. | Sugg Farmar '9' #1023534558 | 6,700 |
| 724209 | Sep 21, 2011 | Sep 21, 2011 | Exco Resources, Inc. | Sugg '214' #723534119 | 6,900 |
| 724364 | Sep 20, 2011 | Sep 20, 2011 | Banner Operating, LLC | Teague 9 #1023534860 | 1,700 |
| 724055 | Sep 20, 2011 | Sep 20, 2011 | Three Rivers Operating Co LLC | Sugg 3072 #1023534858 | 7,000 |
| 724273 | Sep 16, 2011 | Sep 16, 2011 | EOG Resources, Inc. | University 40-A #0403HH23534859 | 6,550 |
| 724273Amendment | Sep 16, 2011 | Sep 16, 2011 | EOG Resources, Inc. | University 40-A #0403HH23534859 | 6,550 |
| 724147 | Sep 16, 2011 | Sep 16, 2011 | EOG Resources, Inc. | University 40 #1314HH23534857 | 6,600 |
| 724147Amendment | Sep 16, 2011 | Sep 16, 2011 | EOG Resources, Inc. | University 40 #1314HH23534857 | 6,600 |
| 724139 | Sep 16, 2011 | Sep 16, 2011 | EOG Resources, Inc. | University 40 #1313HH23534856 | 6,600 |
| 724139Amendment | Sep 16, 2011 | Sep 16, 2011 | EOG Resources, Inc. | University 40 #1313HH23534856 | 6,600 |
| 724135 | Sep 16, 2011 | Sep 16, 2011 | EOG Resources, Inc. | University 40 #1312HH23534855 | 6,600 |
| 724163 | Sep 15, 2011 | Sep 15, 2011 | Fiml Natural Resources, LLC | Concho #1938P23534854 | 9,500 |
| 724161 | Sep 15, 2011 | Sep 15, 2011 | Fiml Natural Resources, LLC | Concho #1938I23534853 | 9,500 |
| 724106 | Sep 15, 2011 | Sep 15, 2011 | EOG Resources, Inc. | University 40 #1311HH23534852 | 6,600 |
| 723742 | Sep 15, 2011 | Sep 15, 2011 | Exco Resources, Inc. | Sugg Farmar '24' #823534849 | 8,000 |
| 723730 | Sep 15, 2011 | Sep 15, 2011 | Exco Resources, Inc. | Sugg Farmar '9' #1123534848 | 8,000 |
| 724041 | Sep 14, 2011 | Sep 14, 2011 | Three Rivers Operating Co LLC | Sugg '3060 NW' #323534851 | 7,400 |
| 723991 | Sep 13, 2011 | Sep 13, 2011 | EOG Resources, Inc. | Rocker B AD Unit #1HH23534850 | 6,900 |
| 723895 | Sep 13, 2011 | Sep 13, 2011 | EOG Resources, Inc. | University 40 #1310HH23534847 | 6,600 |
| 723762 | Sep 13, 2011 | Sep 13, 2011 | EOG Resources, Inc. | Faudree #4HH23534846 | 6,200 |
| 723762Amendment | Sep 13, 2011 | Sep 13, 2011 | EOG Resources, Inc. | Faudree #4HH23534846 | 6,200 |
| 723678 | Sep 8, 2011 | Sep 8, 2011 | Exco Resources, Inc. | Sheen '8B' #123534845 | 8,000 |
| 723120 | Sep 2, 2011 | Sep 2, 2011 | Three Rivers Operating Co LLC | Sugg 6 #1523534843 | 2,450 |
| 722975 | Aug 31, 2011 | Aug 31, 2011 | Fiml Natural Resources, LLC | Cat Claw #61P23534842 | 9,500 |
| 722969 | Aug 31, 2011 | Aug 31, 2011 | Fiml Natural Resources, LLC | Cat Claw #61I23534841 | 9,500 |
| 722907 | Aug 31, 2011 | Aug 31, 2011 | Fiml Natural Resources, LLC | Antelope Draw E #60L23534840 | 9,500 |
| 718513 | Aug 31, 2011 | Aug 31, 2011 | EOG Resources, Inc. | Munson #2801HH23536224 | 6,800 |
| 718513Amendment | Aug 31, 2011 | Aug 31, 2011 | EOG Resources, Inc. | Munson #2801HH23536224 | 6,800 |
| 722456 | Aug 29, 2011 | Aug 29, 2011 | EOG Resources, Inc. | University 40 #1304HH23534831 | 6,600 |
| 722753 | Aug 26, 2011 | Aug 26, 2011 | Exco Resources, Inc. | Renfro '11' #623534838 | 8,000 |
| 722744 | Aug 26, 2011 | Aug 26, 2011 | Exco Resources, Inc. | Sugg '5A' #1623534837 | 8,000 |
| 722678 | Aug 26, 2011 | Aug 26, 2011 | Three Rivers Operating Co LLC | Sugg 5E #1023534836 | 7,000 |
| 722807 | Aug 25, 2011 | Aug 25, 2011 | Atropos Exploration Company | Baker, Marie #323534839 | 8,000 |
| 722440 | Aug 24, 2011 | Aug 24, 2011 | Fiml Natural Resources, LLC | Concho #3007O23534835 | 9,500 |
| 722438 | Aug 24, 2011 | Aug 24, 2011 | Fiml Natural Resources, LLC | Concho #3007N23534834 | 9,500 |
| 722429 | Aug 24, 2011 | Aug 24, 2011 | Exco Resources, Inc. | Sugg '9A' #1323534833 | 8,000 |
| 716857 | Aug 24, 2011 | Aug 24, 2011 | Pioneer Natural Res. USA, Inc. | McManus "28" #123531830 | 7,400 |
| 716857Amendment | Aug 24, 2011 | Aug 24, 2011 | Pioneer Natural Res. USA, Inc. | McManus '28' #123531830 | 7,400 |
| 722462 | Aug 19, 2011 | Aug 19, 2011 | Exco Resources, Inc. | Renfro '11' #323534832 | 8,000 |
| 722097 | Aug 18, 2011 | Aug 18, 2011 | Exco Resources, Inc. | Sheen '8A' #423534829 | 8,000 |
| 721717 | Aug 18, 2011 | Aug 18, 2011 | Three Rivers Operating Co LLC | Sugg 1 #523534830 | 7,000 |
| 721717Amendment | Aug 18, 2011 | Aug 18, 2011 | COG Operating LLC | Sugg 1 #523534830 | 7,600 |
| 721614 | Aug 12, 2011 | Aug 12, 2011 | Apache Corporation | Ketchum Mountain Clearfork Unit #550223534828 | 4,900 |
| 721888 | Aug 11, 2011 | Aug 11, 2011 | Banner Operating, LLC | Stephens '10' #723534827 | 2,000 |
| 721789 | Aug 10, 2011 | Aug 10, 2011 | Apache Corporation | Ketchum Mountain East Unit #333123534826 | 4,900 |
| 721783 | Aug 10, 2011 | Aug 10, 2011 | Apache Corporation | Ketchum Mountain East Unit #122123534825 | 4,900 |
| 721774 | Aug 10, 2011 | Aug 10, 2011 | Apache Corporation | Ketchum Mountain Clearfork Unit #490923534824 | 4,900 |
| 721052 | Aug 9, 2011 | Aug 9, 2011 | Three Rivers Operating Co LLC | Sugg A. A. 7 #123532563 | 7,800 |
| 721047 | Aug 9, 2011 | Aug 9, 2011 | Three Rivers Operating Co LLC | Sugg, A. A. 26 #323532639 | 7,745 |
| 721615 | Aug 5, 2011 | Aug 5, 2011 | Apache Corporation | Ketchum Mountain Clearfork Unit #551023534823 | 4,900 |
| 721613 | Aug 5, 2011 | Aug 5, 2011 | Apache Corporation | Ketchum Mountain Clearfork Unit #503223534822 | 4,900 |
| 721612 | Aug 5, 2011 | Aug 5, 2011 | Apache Corporation | Ketchum Mountain Clearfork Unit #502823534821 | 4,900 |
| 721610 | Aug 5, 2011 | Aug 5, 2011 | Apache Corporation | Ketchum Mountain Clearfork Unit #502023534820 | 4,900 |
| 721525 | Aug 5, 2011 | Aug 5, 2011 | El Paso E & P Company, L. P. | University 43-23 #2HH23534818 | 12,990 |
| 721525Amendment | Aug 5, 2011 | Aug 5, 2011 | El Paso E & P Company, L. P. | University 43-23 #2HH23534818 | 14,174 |
| 721506 | Aug 5, 2011 | Aug 5, 2011 | El Paso E & P Company, L. P. | University 43-23 #1HH23534817 | 12,990 |
| 721506Amendment | Aug 5, 2011 | Aug 5, 2011 | El Paso E & P Company, L. P. | University 43-23 #1HH23534817 | 12,990 |
| 721449 | Aug 5, 2011 | Aug 5, 2011 | Siana Oil & Gas | Winterbotham -28- #523534819 | 7,000 |
| 721306 | Aug 5, 2011 | Aug 5, 2011 | Three Rivers Operating Co LLC | Sugg 15 #523534510 | 6,620 |
| 721278 | Aug 5, 2011 | Aug 5, 2011 | Three Rivers Operating Co LLC | Sugg, A. A. 29 #123532562 | 7,600 |
| 721276 | Aug 5, 2011 | Aug 5, 2011 | Three Rivers Operating Co LLC | Sugg 14 #323534304 | 6,815 |
| 721273 | Aug 5, 2011 | Aug 5, 2011 | Three Rivers Operating Co LLC | Sugg, A. A. 3067 #223532663 | 7,280 |