| 711694 | Mar 10, 2011 | Mar 10, 2011 | Uhc Petroleum Corporation | Wardlaw, L.J. II #22 | 1,500 | 13732106 |
| 711693 | Mar 10, 2011 | Mar 10, 2011 | Uhc Petroleum Corporation | Adamson 'B-2' #1 | 1,500 | 13732104 |
| 709157 | Feb 28, 2011 | Feb 28, 2011 | Diamondback Operating, LP | Bowermaster #4611 | 3,800 | 13732100 |
| 710513 | Feb 22, 2011 | Feb 22, 2011 | Uhc Petroleum Corporation | Wardlaw, L.J. Estate "A" #127 | 1,000 | 13731511 |
| 710512 | Feb 18, 2011 | Feb 18, 2011 | Uhc Petroleum Corporation | Wardlaw, L. J. Estate "A" #7003D | 1,000 | 13731971 |
| 709725 | Feb 15, 2011 | Feb 15, 2011 | Diamondback Operating, LP | Patterson #3203 | 3,800 | 13732101 |
| 709150 | Feb 3, 2011 | Feb 3, 2011 | Diamondback Operating, LP | Patterson #1503 | 3,800 | 13732099 |
| 709143 | Feb 3, 2011 | Feb 3, 2011 | Diamondback Operating, LP | Jenkins #5903 | 2,800 | 13732098 |
| 709143Amendment | Feb 3, 2011 | Feb 3, 2011 | Muskegon Development Company | Jenkins #5903 | 2,800 | 13732098 |
| 706024 | Nov 30, 2010 | Nov 30, 2010 | Mulloy Operating, Inc. | Moody #2 | 9,200 | 13732097 |
| 705488 | Nov 24, 2010 | Nov 24, 2010 | Diamondback Operating, LP | Patterson #1501 | 3,800 | 13732096 |
| 705537 | Nov 19, 2010 | Nov 19, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 113 #16E | 6,900 | 13732095 |
| 705048 | Nov 10, 2010 | Nov 10, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 113 #15E | 6,900 | 13732094 |
| 704851 | Nov 8, 2010 | Nov 8, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 106 #13E | 6,900 | 13732093 |
| 704647 | Nov 4, 2010 | Nov 4, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 113 #17E | 6,800 | 13732092 |
| 701687 | Oct 13, 2010 | Oct 13, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #19E | 7,000 | 13732088 |
| 702237 | Sep 17, 2010 | Sep 17, 2010 | Mulloy Operating, Inc. | Moody #1 | 9,200 | 13732091 |
| 702080 | Sep 15, 2010 | Sep 15, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #18E | 6,900 | 13732090 |
| 701883 | Sep 10, 2010 | Sep 10, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 113 #18E | 6,800 | 13732089 |
| 701636 | Sep 7, 2010 | Sep 7, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 106 #14E | 6,900 | 13732087 |
| 700766 | Aug 20, 2010 | Aug 20, 2010 | Sed Energy Inc. | Frances Y. Ball #1 | 6,500 | 13731171 |
| 700042 | Aug 10, 2010 | Aug 10, 2010 | Diamondback Operating, LP | Patterson #161A | 1,200 | 13732086 |
| 698855 | Jul 13, 2010 | Jul 13, 2010 | TXP, Incorporated | Baker Ranch Unit #1 | 4,000 | 13732085 |
| 698855Amendment | Jul 13, 2010 | Jul 13, 2010 | TXP, Incorporated | Baker Ranch Unit #1 | 4,000 | 13732085 |
| 696965 | Jun 3, 2010 | Jun 3, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch #9112E | 7,100 | 13732084 |
| 696893 | Jun 2, 2010 | Jun 2, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch #9113E | 7,000 | 13732083 |
| 696558 | May 26, 2010 | May 26, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 113 #14E | 6,800 | 13732082 |
| 696460 | May 25, 2010 | May 25, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 113 #13E | 6,900 | 13732081 |
| 696202 | May 20, 2010 | May 20, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 106 #12E | 6,800 | 13732080 |
| 695819 | May 14, 2010 | May 14, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 106 #11E | 7,150 | 13732079 |
| 694385 | Apr 15, 2010 | Apr 15, 2010 | Highmount Expl & Prod Texas LLC | Mayfield Ranch "C" #8802 | 4,200 | 13732078 |
| 693216 | Apr 5, 2010 | Apr 5, 2010 | Diamondback Operating, LP | Bowermaster #4758 | 3,800 | 13732077 |
| 693254 | Mar 23, 2010 | Mar 23, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 106 #10E | 7,150 | 13732076 |
| 693250 | Mar 23, 2010 | Mar 23, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #17E | 7,150 | 13732075 |
| 693013 | Mar 19, 2010 | Mar 19, 2010 | Highmount Expl & Prod Texas LLC | Phillips 3 #3 | 4,600 | 13732074 |
| 693053 | Mar 18, 2010 | Mar 18, 2010 | Highmount Expl & Prod Texas LLC | Phillips 7 #4 | 5,400 | 13732072 |
| 693020 | Mar 18, 2010 | Mar 18, 2010 | Highmount Expl & Prod Texas LLC | Fish #203 | 4,400 | 13732073 |
| 691143 | Mar 12, 2010 | Mar 12, 2010 | Brower Oil & Gas Co., Inc. | Mayfield 'A' #2H | 9,350 | 13731876 |
| 692556 | Mar 10, 2010 | Mar 10, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 107 #21E | 7,100 | 13732071 |
| 692287 | Mar 10, 2010 | Mar 10, 2010 | Diamondback Operating, LP | Patterson #1601 | 3,800 | 13732070 |
| 691829 | Mar 5, 2010 | Mar 5, 2010 | Diamondback Operating, LP | Jenkins #6205 | 2,800 | 13732068 |
| 691829Amendment | Mar 5, 2010 | Mar 5, 2010 | Diamondback Operating, LP | Jenkins #6205 | 2,800 | 13732068 |
| 692108 | Mar 4, 2010 | Mar 4, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 110 #6E | 7,450 | 13732069 |
| 691367 | Feb 25, 2010 | Feb 25, 2010 | Diamondback Operating, LP | Jenkins #5902 | 2,700 | 13732067 |
| 691775 | Feb 24, 2010 | Feb 24, 2010 | Highmount Expl & Prod Texas LLC | Hough 12 #3 | 5,400 | 13732066 |
| 691772 | Feb 24, 2010 | Feb 24, 2010 | Highmount Expl & Prod Texas LLC | Mitchell #109 | 4,400 | 13732065 |
| 690110 | Feb 24, 2010 | Feb 24, 2010 | Highmount Expl & Prod Texas LLC | Mayfield SB #29 | 4,250 | 13732050 |
| 690110Amendment | Feb 24, 2010 | Feb 24, 2010 | Highmount Expl & Prod Texas LLC | Mayfield SB #29 | 5,013 | 13732050 |
| 691363 | Feb 18, 2010 | Feb 18, 2010 | Diamondback Operating, LP | Bowermaster #4757 | 3,600 | 13732064 |
| 691264 | Feb 17, 2010 | Feb 17, 2010 | Stone, J. G. Oil Co. | Turney, Paul, Mrs. Ranch #4 | 1,000 | 13732063 |
| 691264Amendment | Feb 17, 2010 | Feb 17, 2010 | Stone, J. G. Oil Co. | Turney, Paul, Mrs. Ranch #4 | 1,000 | 13732063 |
| 690774 | Feb 16, 2010 | Feb 16, 2010 | Highmount Expl & Prod Texas LLC | Mayfield, S. B. #35 | 4,200 | 13732058 |
| 691222 | Feb 12, 2010 | Feb 12, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 110 #5E | 6,750 | 13732062 |
| 690829 | Feb 8, 2010 | Feb 8, 2010 | Highmount Expl & Prod Texas LLC | Mayfield, S.B. #25 | 4,200 | 13732061 |
| 690800 | Feb 8, 2010 | Feb 8, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 110 #4E | 6,750 | 13732060 |
| 690796 | Feb 5, 2010 | Feb 5, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #16E | 6,750 | 13732059 |
| 690761 | Feb 5, 2010 | Feb 5, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #15E | 6,750 | 13732057 |
| 690736 | Feb 5, 2010 | Feb 5, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #14E | 6,950 | 13732056 |
| 690318 | Feb 4, 2010 | Feb 4, 2010 | Highmount Expl & Prod Texas LLC | Graham #302 | 5,000 | 13732053 |
| 690567 | Feb 3, 2010 | Feb 3, 2010 | Highmount Expl & Prod Texas LLC | Mitchell #108 | 5,300 | 13732055 |
| 689277 | Feb 2, 2010 | Feb 2, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #10E | 7,000 | 13732043 |
| 690405 | Jan 29, 2010 | Jan 29, 2010 | Highmount Expl & Prod Texas LLC | Mitchell #110 | 5,300 | 13732054 |
| 690314 | Jan 27, 2010 | Jan 27, 2010 | Highmount Expl & Prod Texas LLC | Mitchell #107 | 4,600 | 13732052 |
| 690170 | Jan 26, 2010 | Jan 26, 2010 | Highmount Expl & Prod Texas LLC | Mitchell #111 | 4,600 | 13732049 |
| 690103 | Jan 26, 2010 | Jan 26, 2010 | Highmount Expl & Prod Texas LLC | Mayfield SB #28 | 4,250 | 13732048 |
| 690103Amendment | Jan 26, 2010 | Jan 26, 2010 | Highmount Expl & Prod Texas LLC | Mayfield SB #28 | 4,250 | 13732048 |
| 690097 | Jan 26, 2010 | Jan 26, 2010 | Highmount Expl & Prod Texas LLC | Mayfield, S. B. #34 | 3,950 | 13732051 |
| 690097Amendment | Jan 26, 2010 | Jan 26, 2010 | Highmount Expl & Prod Texas LLC | Mayfield, S. B. #34 | 3,950 | 13732051 |
| 689268 | Jan 26, 2010 | Jan 26, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch #9016E | 7,050 | 13732041 |
| 690112 | Jan 25, 2010 | Jan 25, 2010 | Highmount Expl & Prod Texas LLC | Mayfield SB #31 | 5,250 | 13732047 |
| 688908 | Jan 13, 2010 | Jan 13, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #11E | 7,150 | 13732039 |
| 689482 | Jan 8, 2010 | Jan 8, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch #9110E | 7,100 | 13732046 |
| 689368 | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch #907E | 7,050 | 13732045 |
| 689365 | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch #911E | 7,050 | 13732044 |
| 689271 | Jan 5, 2010 | Jan 5, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch #9111E | 7,050 | 13732042 |
| 689248 | Jan 5, 2010 | Jan 5, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #13E | 7,050 | 13732040 |
| 688404 | Jan 4, 2010 | Jan 4, 2010 | Highmount Expl & Prod Texas LLC | Canyon Ranch #9013E | 7,350 | 13732038 |
| 688354 | Dec 17, 2009 | Dec 17, 2009 | Highmount Expl & Prod Texas LLC | Canyon Ranch 113 #12E | 6,950 | 13732037 |
| 687182 | Nov 12, 2009 | Nov 12, 2009 | Diamondback Operating, LP | Patterson #3202 | 3,800 | 13732036 |
| 686964 | Nov 9, 2009 | Nov 9, 2009 | Highmount Expl & Prod Texas LLC | Mitchell #804 | 6,250 | 13732035 |
| 686826 | Nov 6, 2009 | Nov 6, 2009 | Highmount Expl & Prod Texas LLC | Hough 12 #2 | 6,250 | 13732034 |
| 686908 | Nov 5, 2009 | Nov 5, 2009 | Mariner Energy, Inc. | Wilke 2 #1 | 6,000 | 13732033 |
| 686663 | Oct 29, 2009 | Oct 29, 2009 | Mariner Energy, Inc. | Vandy 67-1 #1 | 6,000 | 13732032 |
| 686231 | Oct 19, 2009 | Oct 19, 2009 | Mariner Energy, Inc. | Hodel 81 #1 | 6,000 | 13732031 |
| 686226 | Oct 16, 2009 | Oct 16, 2009 | Mariner Energy, Inc. | Nicoson 68 #1 | 6,000 | 13732030 |
| 686196 | Oct 16, 2009 | Oct 16, 2009 | Highmount Expl & Prod Texas LLC | Mitchell #106 | 6,250 | 13732029 |
| 685926 | Oct 8, 2009 | Oct 8, 2009 | Highmount Expl & Prod Texas LLC | Mitchell #105 | 6,250 | 13732028 |
| 683853 | Sep 10, 2009 | Sep 10, 2009 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #12E | 7,150 | 13732023 |
| 684730 | Sep 9, 2009 | Sep 9, 2009 | Diamondback Operating, LP | Bowermaster #4756 | 3,600 | 13732026 |
| 684732 | Sep 3, 2009 | Sep 3, 2009 | Diamondback Operating, LP | Patterson #3301 | 3,600 | 13732027 |
| 683994 | Aug 20, 2009 | Aug 20, 2009 | Diamondback Operating, LP | Wittenburg #1802 | 3,000 | 13732025 |
| 683850 | Aug 13, 2009 | Aug 13, 2009 | Highmount Expl & Prod Texas LLC | Canyon Ranch 112 #9E | 7,150 | 13732022 |
| 683857 | Aug 7, 2009 | Aug 7, 2009 | Highmount Expl & Prod Texas LLC | Canyon Ranch #9015E | 7,350 | 13732024 |
| 681985 | Jun 10, 2009 | Jun 10, 2009 | Mariner Energy, Inc. | Vandy 82 #1 | 11,100 | 13732021 |
| 664819Amendment | Mar 23, 2009 | Mar 23, 2009 | Diamondback Operating, LP | Bowermaster #4755 | 3,700 | 13731957 |
| 671141Amendment | Mar 20, 2009 | Mar 20, 2009 | Diamondback Operating, LP | Bowermaster #4610 | 3,700 | 13731981 |
| 671141Amendment | Mar 20, 2009 | Mar 20, 2009 | Diamondback Operating, LP | Bowermaster #4610 | 3,700 | 13731981 |
| 678740 | Mar 19, 2009 | Mar 19, 2009 | Diamondback Operating, LP | Jenkins #585 | 2,800 | 13732020 |
| 671146Amendment | Mar 19, 2009 | Mar 19, 2009 | Diamondback Operating, LP | Bowermaster #468 | 3,800 | 13731982 |
| 678739 | Mar 18, 2009 | Mar 18, 2009 | Diamondback Operating, LP | Bowermaster #467 | 3,400 | 13732018 |