| 710549 | Feb 22, 2011 | Feb 22, 2011 | EOG Resources, Inc. | Rocker B A #2HH23534514 | 6,140 |
| 710549Amendment | Feb 22, 2011 | Feb 22, 2011 | EOG Resources, Inc. | Rocker B A #2HH23534514 | 6,140 |
| 710438 | Feb 18, 2011 | Feb 18, 2011 | Three Rivers Operating Co LLC | Sugg 6 #323534669 | 8,000 |
| 710438Amendment | Feb 18, 2011 | Feb 18, 2011 | Three Rivers Operating Co LLC | Sugg 6 #323534669 | 8,000 |
| 710438Amendment | Feb 18, 2011 | Feb 18, 2011 | Three Rivers Operating Co LLC | Sugg 6 #323534669 | 8,000 |
| 710224 | Feb 16, 2011 | Feb 16, 2011 | Exco Resources, Inc. | Sugg '214' #823534668 | 8,000 |
| 710000 | Feb 11, 2011 | Feb 11, 2011 | EOG Resources, Inc. | Mayer #5001HH23534667 | 6,800 |
| 710000Amendment | Feb 11, 2011 | Feb 11, 2011 | EOG Resources, Inc. | Mayer #5001HH23534667 | 6,800 |
| 709973 | Feb 11, 2011 | Feb 11, 2011 | EOG Resources, Inc. | Faudree #2HH23534666 | 6,200 |
| 709720 | Feb 8, 2011 | Feb 8, 2011 | Three Rivers Operating Co LLC | Sugg 3069 #723534665 | 8,000 |
| 709720Amendment | Feb 8, 2011 | Feb 8, 2011 | Three Rivers Operating Co LLC | Sugg 3069 #723534665 | 8,000 |
| 709693 | Feb 7, 2011 | Feb 7, 2011 | Three Rivers Operating Co LLC | Sugg 6 #523534664 | 8,000 |
| 709693Amendment | Feb 7, 2011 | Feb 7, 2011 | Three Rivers Operating Co LLC | Sugg 6 #523534664 | 8,000 |
| 709643 | Feb 4, 2011 | Feb 4, 2011 | Three Rivers Operating Co LLC | Sugg 6 #223534663 | 8,000 |
| 709643Amendment | Feb 4, 2011 | Feb 4, 2011 | Three Rivers Operating Co LLC | Sugg 6 #223534663 | 8,000 |
| 709554 | Feb 3, 2011 | Feb 3, 2011 | Three Rivers Operating Co LLC | Farmar 2 #623534662 | 8,000 |
| 709554Amendment | Feb 3, 2011 | Feb 3, 2011 | Three Rivers Operating Co LLC | Farmar 2 #623534662 | 8,000 |
| 709147 | Feb 3, 2011 | Feb 3, 2011 | Exco Resources, Inc. | Clark '10' #723534660 | 8,000 |
| 709130 | Feb 3, 2011 | Feb 3, 2011 | Exco Resources, Inc. | Sugg-Jane Taylor 'E' #33E23534659 | 8,000 |
| 709109 | Feb 3, 2011 | Feb 3, 2011 | Exco Resources, Inc. | Sugg-Jane Taylor 'E' #27E23534658 | 8,000 |
| 708894 | Feb 3, 2011 | Feb 3, 2011 | Exco Resources, Inc. | Sugg Farmar '25' #723534661 | 8,000 |
| 708925 | Feb 1, 2011 | Feb 1, 2011 | Exco Resources, Inc. | Sugg '1910' #823534656 | 8,000 |
| 708916 | Feb 1, 2011 | Feb 1, 2011 | Exco Resources, Inc. | Sugg '1910' #723534655 | 8,000 |
| 708865 | Feb 1, 2011 | Feb 1, 2011 | Exco Resources, Inc. | Sugg '8' #1423534657 | 8,000 |
| 709294 | Jan 31, 2011 | Jan 31, 2011 | Fiml Natural Resources, LLC | Highland A #3048B23534654 | 9,500 |
| 709290 | Jan 28, 2011 | Jan 28, 2011 | Fiml Natural Resources, LLC | Concho A #3004L23534653 | 9,500 |
| 709286 | Jan 28, 2011 | Jan 28, 2011 | Fiml Natural Resources, LLC | Concho #3007M23534652 | 9,500 |
| 709025 | Jan 27, 2011 | Jan 27, 2011 | Fiml Natural Resources, LLC | Salt House A #3047F23534651 | 9,500 |
| 708581 | Jan 25, 2011 | Jan 25, 2011 | Exco Resources, Inc. | Sugg '214' #1423534650 | 8,000 |
| 708468 | Jan 21, 2011 | Jan 21, 2011 | Exco Resources, Inc. | Sugg '7' #1623534649 | 8,000 |
| 708321 | Jan 19, 2011 | Jan 19, 2011 | Exco Resources, Inc. | Sugg '2' #1623534648 | 8,000 |
| 708241 | Jan 18, 2011 | Jan 18, 2011 | Fiml Natural Resources, LLC | Concho #1937F23534647 | 9,500 |
| 708233 | Jan 18, 2011 | Jan 18, 2011 | Fiml Natural Resources, LLC | Concho #1937K23534646 | 9,500 |
| 708231 | Jan 18, 2011 | Jan 18, 2011 | Fiml Natural Resources, LLC | Concho #1937P23534645 | 9,500 |
| 708157 | Jan 18, 2011 | Jan 18, 2011 | Exco Resources, Inc. | Sugg '7A' #1223534643 | 8,000 |
| 708139 | Jan 18, 2011 | Jan 18, 2011 | Exco Resources, Inc. | Sugg '7A' #1123534644 | 8,000 |
| 708206 | Jan 11, 2011 | Jan 11, 2011 | EOG Resources, Inc. | University 40 #1401HH23534462 | 7,200 |
| 708107 | Jan 11, 2011 | Jan 11, 2011 | EOG Resources, Inc. | Linthicum M #1HH23534642 | 6,300 |
| 708107Amendment | Jan 11, 2011 | Jan 11, 2011 | EOG Resources, Inc. | Linthicum M #1HH23534642 | 6,300 |
| 707944 | Jan 10, 2011 | Jan 10, 2011 | EOG Resources, Inc. | University 40 A #0401HH23534640 | 6,600 |
| 707866 | Jan 10, 2011 | Jan 10, 2011 | TXP, Incorporated | Sugg Farmar '5' #223534639 | 7,900 |
| 707710 | Jan 10, 2011 | Jan 10, 2011 | Fiml Natural Resources, LLC | Antelope Draw #3041L23534641 | 9,500 |
| 707953 | Jan 6, 2011 | Jan 6, 2011 | Exco Resources, Inc. | Renfro '11' #523534638 | 8,000 |
| 707671 | Dec 30, 2010 | Dec 30, 2010 | Fiml Natural Resources, LLC | Antelope Draw C #58D23534637 | 9,500 |
| 707671Amendment | Dec 30, 2010 | Dec 30, 2010 | Fiml Natural Resources, LLC | Antelope Draw #58D23534637 | 9,500 |
| 707262 | Dec 29, 2010 | Dec 29, 2010 | Fivestones Energy LLC | Buddy-Jack #123534634 | 7,000 |
| 707579 | Dec 28, 2010 | Dec 28, 2010 | Fiml Natural Resources, LLC | Mallard #3039I23534636 | 9,500 |
| 707573 | Dec 28, 2010 | Dec 28, 2010 | Fiml Natural Resources, LLC | Mallard #3039L23534635 | 9,500 |
| 707388 | Dec 22, 2010 | Dec 22, 2010 | Fiml Natural Resources, LLC | Concho A #3004M23534631 | 9,500 |
| 707355 | Dec 22, 2010 | Dec 22, 2010 | EOG Resources, Inc. | Linthicum I #5HH23534633 | 6,400 |
| 707193 | Dec 22, 2010 | Dec 22, 2010 | Fivestones Energy LLC | Parks #223534632 | 7,500 |
| 707288 | Dec 21, 2010 | Dec 21, 2010 | Exco Resources, Inc. | Sugg "9A" #923534630 | 8,000 |
| 707284 | Dec 21, 2010 | Dec 21, 2010 | Exco Resources, Inc. | Sugg '8A' #923534629 | 8,000 |
| 707170 | Dec 17, 2010 | Dec 17, 2010 | Fiml Natural Resources, LLC | Concho #3007F23534628 | 9,500 |
| 707154 | Dec 17, 2010 | Dec 17, 2010 | Samson Lone Star, LLC | Sugg 30 SE #623534627 | 9,000 |
| 707154Amendment | Dec 17, 2010 | Dec 17, 2010 | Three Rivers Operating Co LLC | Sugg 30 SE #623534627 | 9,000 |
| 707146 | Dec 17, 2010 | Dec 17, 2010 | Samson Lone Star, LLC | Sugg 29 W #723534626 | 9,000 |
| 707146Amendment | Dec 17, 2010 | Dec 17, 2010 | Three Rivers Operating Co LLC | Sugg 29 W #723534626 | 9,000 |
| 707091 | Dec 17, 2010 | Dec 17, 2010 | Fiml Natural Resources, LLC | Tepee Draw #3035G23534625 | 9,500 |
| 706769 | Dec 14, 2010 | Dec 14, 2010 | EOG Resources, Inc. | University 40 #1302WD23534624 | 9,800 |
| 706769Amendment | Dec 14, 2010 | Dec 14, 2010 | EOG Resources, Inc. | University 40 #130223534624 | 9,800 |
| 706769Amendment | Dec 14, 2010 | Dec 14, 2010 | EOG Resources, Inc. | University 40 #1302HH23534624 | 9,800 |
| 706760 | Dec 13, 2010 | Dec 13, 2010 | EOG Resources, Inc. | Munson #2701HH23534623 | 6,600 |
| 706760Amendment | Dec 13, 2010 | Dec 13, 2010 | EOG Resources, Inc. | Munson #2701HH23534623 | 6,600 |
| 706760Amendment | Dec 13, 2010 | Dec 13, 2010 | EOG Resources, Inc. | Munson #2701HH23534623 | 6,600 |
| 706692 | Dec 13, 2010 | Dec 13, 2010 | EOG Resources, Inc. | University 40 #1101WD23534621 | 9,800 |
| 706374 | Dec 13, 2010 | Dec 13, 2010 | TXP, Incorporated | Monk #30123534622 | 6,850 |
| 706446 | Dec 9, 2010 | Dec 9, 2010 | Exco Resources, Inc. | Sugg '5A' #823534620 | 8,000 |
| 706435 | Dec 9, 2010 | Dec 9, 2010 | Exco Resources, Inc. | Sugg '8A' #823534619 | 8,000 |
| 706360 | Dec 8, 2010 | Dec 8, 2010 | Fiml Natural Resources, LLC | Tepee Draw #3036A23534617 | 9,500 |
| 706359 | Dec 8, 2010 | Dec 8, 2010 | Fiml Natural Resources, LLC | Tepee Draw #3036M23534616 | 9,500 |
| 706353 | Dec 7, 2010 | Dec 7, 2010 | Exco Resources, Inc. | McGill ' 12' #323534618 | 8,000 |
| 705851 | Dec 2, 2010 | Dec 2, 2010 | Exco Resources, Inc. | Sugg Jane Taylor '1' #2423534615 | 8,000 |
| 705850 | Dec 2, 2010 | Dec 2, 2010 | Exco Resources, Inc. | Sugg Farmar '26' #223534614 | 8,000 |
| 705817 | Nov 29, 2010 | Nov 29, 2010 | Exco Resources, Inc. | Sugg Farmar '24A' #723534608 | 8,000 |
| 705662 | Nov 29, 2010 | Nov 29, 2010 | Fiml Natural Resources, LLC | Salt House A #3047B23534613 | 9,500 |
| 705844 | Nov 23, 2010 | Nov 23, 2010 | Exco Resources, Inc. | Clark "10" #623534612 | 8,000 |
| 705839 | Nov 23, 2010 | Nov 23, 2010 | Exco Resources, Inc. | Sugg Farmar '26A' #123534611 | 8,000 |
| 705829 | Nov 23, 2010 | Nov 23, 2010 | Exco Resources, Inc. | Sugg "3A" #723534610 | 8,000 |
| 705815 | Nov 23, 2010 | Nov 23, 2010 | Fiml Natural Resources, LLC | Tepee Draw SWD #3036WD23534609 | 5,000 |
| 705579 | Nov 19, 2010 | Nov 19, 2010 | El Paso E & P Company, L. P. | University 43-22 #1HH23534607 | 7,900 |
| 705515 | Nov 19, 2010 | Nov 19, 2010 | Fiml Natural Resources, LLC | Antelope Draw E #60M23534606 | 9,500 |
| 705495 | Nov 19, 2010 | Nov 19, 2010 | Fiml Natural Resources, LLC | Antelope Draw D #59M23534605 | 9,500 |
| 705356 | Nov 18, 2010 | Nov 18, 2010 | Fiml Natural Resources, LLC | Tepee Draw #3036I23534604 | 9,500 |
| 703740 | Nov 16, 2010 | Nov 16, 2010 | Exco Resources, Inc. | Sugg Farmar "22" #1123534594 | 8,000 |
| 704540 | Nov 12, 2010 | Nov 12, 2010 | Exco Resources, Inc. | Sugg "1911" #623534603 | 8,000 |
| 704991 | Nov 10, 2010 | Nov 10, 2010 | Fiml Natural Resources, LLC | Concho A #3004C23534602 | 9,500 |
| 704906 | Nov 9, 2010 | Nov 9, 2010 | Pioneer Natural Res. USA, Inc. | Rocker B "1-110" #123534601 | 9,600 |
| 704886 | Nov 8, 2010 | Nov 8, 2010 | Fiml Natural Resources, LLC | Mallard #3032M23534600 | 9,500 |
| 704882 | Nov 8, 2010 | Nov 8, 2010 | Fiml Natural Resources, LLC | Concho A #3004I23534599 | 9,500 |
| 704388 | Oct 28, 2010 | Oct 28, 2010 | Exco Resources, Inc. | Sugg "1910" #623534598 | 8,000 |
| 704378 | Oct 28, 2010 | Oct 28, 2010 | Exco Resources, Inc. | Sheen "10" #1223534597 | 8,000 |
| 704305 | Oct 27, 2010 | Oct 27, 2010 | Exco Resources, Inc. | Sugg "9A" #823534596 | 8,000 |
| 704305Amendment | Oct 27, 2010 | Oct 27, 2010 | Exco Resources, Inc. | Sugg '9A' #823534596 | 8,000 |
| 704299 | Oct 27, 2010 | Oct 27, 2010 | Exco Resources, Inc. | Sugg "9A" #723534595 | 8,000 |
| 703303 | Oct 14, 2010 | Oct 14, 2010 | Petrodata Resources, Inc. | Williams 'G' #123534593 | 6,000 |
| 703311 | Oct 8, 2010 | Oct 8, 2010 | EOG Resources, Inc. | University 43-10 #1HH23534591 | 6,800 |
| 703078 | Oct 8, 2010 | Oct 8, 2010 | HGN Operating I, LLC | Van Keuren #123534592 | 4,300 |
| 703077 | Oct 5, 2010 | Oct 5, 2010 | Exco Resources, Inc. | Clark "10" #523534590 | 8,000 |
| 702745 | Oct 1, 2010 | Oct 1, 2010 | Exco Resources, Inc. | Sugg "10" #1123534589 | 8,000 |