| 742510Amendment | Jun 19, 2012 | Jun 19, 2012 | Apache Corporation | Sugg 2829 #4HH23535082 | 6,600 |
| 742510Amendment | Jun 19, 2012 | Jun 19, 2012 | Apache Corporation | Sugg 2829 #4HH23535082 | 6,600 |
| 742507 | Jun 19, 2012 | Jun 19, 2012 | Apache Corporation | Sugg 2829 #3HH23535081 | 6,600 |
| 742507Amendment | Jun 19, 2012 | Jun 19, 2012 | Apache Corporation | Sugg 2829 #3HH23535081 | 6,600 |
| 742507Amendment | Jun 19, 2012 | Jun 19, 2012 | Apache Corporation | Sugg 2829 #3HH23535081 | 6,600 |
| 742471 | Jun 18, 2012 | Jun 18, 2012 | Pioneer Natural Res. USA, Inc. | Rocker B Q #1D23535085 | 6,200 |
| 742444 | Jun 16, 2012 | Jun 16, 2012 | Apache Corporation | Sugg 2829 #2HH23535080 | 6,750 |
| 742444Amendment | Jun 16, 2012 | Jun 16, 2012 | Apache Corporation | Sugg 2829 #2HH23535080 | 6,750 |
| 742444Amendment | Jun 16, 2012 | Jun 16, 2012 | Apache Corporation | Sugg 2829 #2HH23535080 | 8,950 |
| 742284 | Jun 15, 2012 | Jun 15, 2012 | Apache Corporation | Sugg 2829 #1HH23535079 | 6,750 |
| 742284Amendment | Jun 15, 2012 | Jun 15, 2012 | Apache Corporation | Sugg 2829 #1HH23535079 | 6,750 |
| 742284Amendment | Jun 15, 2012 | Jun 15, 2012 | Apache Corporation | Sugg 2829 #M 1HH23535079 | 7,050 |
| 740800 | Jun 8, 2012 | Jun 8, 2012 | Fiml Natural Resources, LLC | Mallard #3039N23535072 | 9,500 |
| 741764 | Jun 7, 2012 | Jun 7, 2012 | Three Rivers Operating Co LLC | Sugg 3071 #623534383 | 9,000 |
| 741258 | Jun 6, 2012 | Jun 6, 2012 | TXP, Incorporated | Field #123535071 | 7,300 |
| 741258Amendment | Jun 6, 2012 | Jun 6, 2012 | TXP, Incorporated | Field #123535071 | 7,300 |
| 741284 | Jun 1, 2012 | Jun 1, 2012 | Chevron Midcontinent, L.P. | Pfluger 'G' #261323532433 | 8,100 |
| 741284Amendment | Jun 1, 2012 | Jun 1, 2012 | Chevron Midcontinent, L.P. | Pfluger 'G' #261323532433 | 8,100 |
| 741283 | Jun 1, 2012 | Jun 1, 2012 | Chevron Midcontinent, L.P. | Pfluger 'G' #260323533115 | 8,200 |
| 741283Amendment | Jun 1, 2012 | Jun 1, 2012 | Chevron Midcontinent, L.P. | Pfluger 'G' #260323533115 | 8,200 |
| 741013 | May 29, 2012 | May 29, 2012 | El Paso E & P Company, L. P. | University 43-22 #4HH23535069 | 12,990 |
| 741013Amendment | May 29, 2012 | May 29, 2012 | EP Energy E&P Company, L.P. | University 43-22 #4HH23535069 | 12,990 |
| 741006 | May 29, 2012 | May 29, 2012 | El Paso E & P Company, L. P. | University 43-22 #5HH23535068 | 12,990 |
| 741006Amendment | May 29, 2012 | May 29, 2012 | EP Energy E&P Company, L.P. | University 43-22 #5HH23535068 | 12,990 |
| 741006Amendment | May 29, 2012 | May 29, 2012 | EP Energy E&P Company, L.P. | University 43-22 #5HH23535068 | 12,990 |
| 741005 | May 29, 2012 | May 29, 2012 | El Paso E & P Company, L. P. | University 43-22 #6HH23535070 | 12,990 |
| 741005Amendment | May 29, 2012 | May 29, 2012 | EP Energy E&P Company, L.P. | University 43-22 #6HH23535070 | 12,990 |
| 740989 | May 29, 2012 | May 29, 2012 | El Paso E & P Company, L. P. | University 43-22 #7HH23535067 | 12,990 |
| 740989Amendment | May 29, 2012 | May 29, 2012 | EP Energy E&P Company, L.P. | University 43-22 #7HH23535067 | 12,990 |
| 740989Amendment | May 29, 2012 | May 29, 2012 | EP Energy E&P Company, L.P. | University 43-22 #7HH23535067 | 12,990 |
| 740694 | May 23, 2012 | May 23, 2012 | Devon Energy Production Co, L.P. | Coronado #3HH23535066 | 7,200 |
| 740694Amendment | May 23, 2012 | May 23, 2012 | Devon Energy Production Co, L.P. | Coronado (SA) #3HH23535066 | 7,200 |
| 739196 | May 23, 2012 | May 23, 2012 | Three Rivers Operating Co LLC | Sugg 3067 #423534512 | 6,835 |
| 739067 | May 21, 2012 | May 21, 2012 | Dove Creek Energy, Inc. | Oglesby 'C' #323535065 | 6,800 |
| 738812 | May 19, 2012 | May 19, 2012 | Exco Resources, Inc. | Sugg '214' #2223535063 | 8,000 |
| 738770 | May 19, 2012 | May 19, 2012 | Petrodata Resources, Inc. | Williams 'G' #123534593 | 5,830 |
| 740370 | May 18, 2012 | May 18, 2012 | Apache Corporation | Sugg 4948 #7HH23535064 | 7,210 |
| 740275 | May 18, 2012 | May 18, 2012 | Three Rivers Operating Co LLC | Mayse 3068 #1123535061 | 9,000 |
| 739955 | May 17, 2012 | May 17, 2012 | Exco Resources, Inc. | Cox '60 A' #2HH23535059 | 11,000 |
| 739955Amendment | May 17, 2012 | May 17, 2012 | Exco/Hgi JV Assets, LLC | Cox '60 A' #223535059 | 9,000 |
| 738685 | May 17, 2012 | May 17, 2012 | Exco Resources, Inc. | Sugg '13' #1023535062 | 8,000 |
| 738638 | May 17, 2012 | May 17, 2012 | Exco Resources, Inc. | Sugg Farmar '9' #723535060 | 8,000 |
| 739728 | May 16, 2012 | May 16, 2012 | TXP, Incorporated | Sugg Farmar '19' #123535058 | 7,900 |
| 739335 | May 10, 2012 | May 10, 2012 | Three Rivers Operating Co LLC | Sugg 3069 #323534574 | 6,885 |
| 739294 | May 10, 2012 | May 10, 2012 | Three Rivers Operating Co LLC | Sugg 3070 #623534509 | 7,000 |
| 739001 | May 10, 2012 | May 10, 2012 | TXP, Incorporated | Carter SWD #123535054 | 2,600 |
| 739316 | May 9, 2012 | May 9, 2012 | Molopo Energy Texas, LLC | Linthicum Washington 36 #2HH23535057 | 6,498 |
| 739286 | May 9, 2012 | May 9, 2012 | Three Rivers Operating Co LLC | Sugg 3071 #223534116 | 6,860 |
| 739282 | May 9, 2012 | May 9, 2012 | Three Rivers Operating Co LLC | Sugg 3071 #423534279 | 6,845 |
| 739277 | May 9, 2012 | May 9, 2012 | Three Rivers Operating Co LLC | Sugg 3072 #423534450 | 6,927 |
| 739232 | May 9, 2012 | May 9, 2012 | Fiml Natural Resources, LLC | Antelope Draw #58N23535056 | 10,000 |
| 739231 | May 9, 2012 | May 9, 2012 | Fiml Natural Resources, LLC | Antelope Draw #58E23535055 | 10,000 |
| 739216 | May 9, 2012 | May 9, 2012 | Three Rivers Operating Co LLC | Sugg 3072 #523534534 | 6,851 |
| 739199 | May 9, 2012 | May 9, 2012 | Three Rivers Operating Co LLC | Sugg-Farmar 2 #1123534584 | 7,030 |
| 739188 | May 9, 2012 | May 9, 2012 | Three Rivers Operating Co LLC | Sugg-Farmar 2 #723534576 | 6,947 |
| 739179 | May 9, 2012 | May 9, 2012 | Three Rivers Operating Co LLC | Sugg 3073 #523534544 | 6,960 |
| 739173 | May 9, 2012 | May 9, 2012 | Three Rivers Operating Co LLC | Farmar 2 #623534662 | 7,085 |
| 738676 | May 3, 2012 | May 3, 2012 | Devon Energy Production Co, L.P. | Pizarro #3HH23535053 | 8,600 |
| 738556 | May 3, 2012 | May 3, 2012 | EOG Resources, Inc. | Rocker B 'AE' Unit #3HH23535051 | 6,500 |
| 738556Amendment | May 3, 2012 | May 3, 2012 | EOG Resources, Inc. | Rocker B 'AE' Unit #3HH23535051 | 6,500 |
| 738543 | May 3, 2012 | May 3, 2012 | EOG Resources, Inc. | Rocker B 'AE' Unit #1HH23535049 | 6,600 |
| 738543Amendment | May 3, 2012 | May 3, 2012 | EOG Resources, Inc. | Rocker B 'AE' Unit #1HH23535049 | 6,600 |
| 738523 | May 2, 2012 | May 2, 2012 | EOG Resources, Inc. | Rocker B 3034 #1WD23535052 | 10,000 |
| 738197 | Apr 26, 2012 | Apr 26, 2012 | El Paso E & P Company, L. P. | University 43-22 #3HH23535047 | 12,990 |
| 738197Amendment | Apr 26, 2012 | Apr 26, 2012 | EP Energy E&P Company, L.P. | University 43-22 #3HH23535047 | 12,990 |
| 737877 | Apr 23, 2012 | Apr 23, 2012 | Three Rivers Operating Co LLC | Sugg 1897 #123534113 | 9,000 |
| 737841 | Apr 21, 2012 | Apr 21, 2012 | Fiml Natural Resources, LLC | Antelope Draw D #59G23535046 | 10,000 |
| 737839 | Apr 21, 2012 | Apr 21, 2012 | Fiml Natural Resources, LLC | Antelope Draw D #59L23535045 | 10,000 |
| 737262 | Apr 16, 2012 | Apr 16, 2012 | EOG Resources, Inc. | Munson #1004HH23535044 | 6,400 |
| 736929 | Apr 10, 2012 | Apr 10, 2012 | El Paso E & P Company, L. P. | University 43-22 #2HH23535043 | 12,990 |
| 736929Amendment | Apr 10, 2012 | Apr 10, 2012 | EP Energy E&P Company, L.P. | University 43-22 #2HH23535043 | 12,990 |
| 736603 | Apr 6, 2012 | Apr 6, 2012 | EOG Resources, Inc. | Mayer #4503HH23535042 | 6,700 |
| 736603Amendment | Apr 6, 2012 | Apr 6, 2012 | EOG Resources, Inc. | Mayer #4503HH23535042 | 6,700 |
| 736603Amendment | Apr 6, 2012 | Apr 6, 2012 | EOG Resources, Inc. | Mayer #4503HH23535042 | 7,000 |
| 736548 | Apr 5, 2012 | Apr 5, 2012 | EOG Resources, Inc. | Linthicum 'I' #7HH23535041 | 6,250 |
| 736544 | Apr 5, 2012 | Apr 5, 2012 | EOG Resources, Inc. | Linthicum 'I' #6HH23535040 | 6,250 |
| 736406 | Apr 3, 2012 | Apr 3, 2012 | El Paso E & P Company, L. P. | University 43-23 SWD #123535039 | 2,850 |
| 736406Amendment | Apr 3, 2012 | Apr 3, 2012 | El Paso E & P Company, L. P. | University 43-23 SWD #123535039 | 5,000 |
| 736406Amendment | Apr 3, 2012 | Apr 3, 2012 | EP Energy E&P Company, L.P. | University East #4323SW23535039 | 5,000 |
| 736423 | Apr 2, 2012 | Apr 2, 2012 | EOG Resources, Inc. | Mayer SL #5013LHH23535037 | 7,050 |
| 736421 | Apr 2, 2012 | Apr 2, 2012 | EOG Resources, Inc. | Mayer SL #5013UHH23535036 | 6,500 |
| 736394 | Mar 30, 2012 | Mar 30, 2012 | El Paso E & P Company, L. P. | University 43-23 #4HH23535035 | 12,990 |
| 736389 | Mar 30, 2012 | Mar 30, 2012 | El Paso E & P Company, L. P. | University 43-23 #3HH23535034 | 12,990 |
| 736380 | Mar 30, 2012 | Mar 30, 2012 | Caraway Operating Co. | Magruder #370123532575 | 6,000 |
| 736183 | Mar 27, 2012 | Mar 27, 2012 | Exco Resources, Inc. | Sugg '1A' #923535032 | 8,000 |
| 736172 | Mar 27, 2012 | Mar 27, 2012 | Exco Resources, Inc. | Renfro '11' #723535033 | 8,000 |
| 736117 | Mar 26, 2012 | Mar 26, 2012 | Exco Resources, Inc. | Sugg '7A' #1323535031 | 8,000 |
| 736109 | Mar 26, 2012 | Mar 26, 2012 | Exco Resources, Inc. | Sugg '3A' #923535030 | 8,000 |
| 735376 | Mar 16, 2012 | Mar 16, 2012 | Exco Resources, Inc. | Middle Concho '1904' #223535028 | 8,000 |
| 735376Amendment | Mar 16, 2012 | Mar 16, 2012 | Exco Resources, Inc. | Middle Concho '1904' #223535028 | 9,999 |
| 734611 | Mar 14, 2012 | Mar 14, 2012 | Fiml Natural Resources, LLC | Salt House #3045O23535027 | 9,500 |
| 734809 | Mar 13, 2012 | Mar 13, 2012 | El Paso E & P Company, L. P. | University 43-24 #2HH23535026 | 8,600 |
| 734907 | Mar 10, 2012 | Mar 10, 2012 | Exco Resources, Inc. | Renfro '11A' #223535025 | 8,000 |
| 734820 | Mar 9, 2012 | Mar 9, 2012 | El Paso E & P Company, L. P. | University 43-24 #3HH23535024 | 8,600 |
| 733767 | Mar 9, 2012 | Mar 9, 2012 | Fiml Natural Resources, LLC | Rock Hollow C #137F23535023 | 9,500 |
| 733759 | Mar 9, 2012 | Mar 9, 2012 | Fiml Natural Resources, LLC | Rock Hollow C #137C23535022 | 9,500 |
| 734667 | Mar 8, 2012 | Mar 8, 2012 | Exco Resources, Inc. | Sheen '8B' #323535020 | 8,000 |
| 734625 | Mar 7, 2012 | Mar 7, 2012 | EOG Resources, Inc. | Linthicum 'I' #3HH23535021 | 6,250 |
| 734625Amendment | Mar 7, 2012 | Mar 7, 2012 | EOG Resources, Inc. | Linthicum 'I' #3HH23535021 | 6,250 |
| 734621 | Mar 7, 2012 | Mar 7, 2012 | EOG Resources, Inc. | Linthicum 'I' #2HH23535018 | 6,250 |