| 693840 | Jul 21, 2010 | Jul 21, 2010 | Davis Bros. Oil Producers, Inc. | Arco-Beathard #1 | 10,016 | 45730545 |
| 697911 | Jun 23, 2010 | Jun 23, 2010 | Ergon Energy Partners, L.P. | Ealand-Wood #1RH | 14,600 | 45730756 |
| 697772 | Jun 21, 2010 | Jun 21, 2010 | Anadarko E&P Company LP | Crain-Black Stone a-375 Unit #2H | 16,000 | 45730755 |
| 697055 | Jun 4, 2010 | Jun 4, 2010 | Unit Petroleum Company | Black Stone "G" #1 | 13,500 | 45730754 |
| 696524 | May 28, 2010 | May 28, 2010 | Miller Energy, Inc. | Rice University #1 | 9,000 | 45730753 |
| 693989 | May 25, 2010 | May 25, 2010 | Ergon Energy Partners, L.P. | Robin Hood #1H | 14,600 | 45730748 |
| 693989Amendment | May 25, 2010 | May 25, 2010 | Ergon Energy Partners, L.P. | Robin Hood #1H | 14,600 | 45730748 |
| 696133 | May 21, 2010 | May 21, 2010 | Miller Energy, Inc. | Blackstone Minerals #1 | 9,500 | 45730752 |
| 696006 | May 21, 2010 | May 21, 2010 | Arcadia Operating, LLC | BP Mercy Seat #1 | 10,000 | 45730751 |
| 694537 | May 12, 2010 | May 12, 2010 | Ergon Energy Partners, L.P. | Ealand-Wood #1H | 14,600 | 45730750 |
| 694537Amendment | May 12, 2010 | May 12, 2010 | Ergon Energy Partners, L.P. | Ealand-Wood #1H | 14,600 | 45730750 |
| 694320 | Apr 23, 2010 | Apr 23, 2010 | BBX Operating, L.L.C. | Gunter #2H | 15,000 | 45730749 |
| 684476 | Mar 31, 2010 | Mar 31, 2010 | Danmark Energy Services, Inc. | Wilcox Oil Unit 1 #2 | 8,603 | 45730634 |
| 693388 | Mar 25, 2010 | Mar 25, 2010 | Unit Petroleum Company | Sugarberry-Black Stone Gas Unit #1 | 13,500 | 45730747 |
| 693336 | Mar 25, 2010 | Mar 25, 2010 | Anadarko E&P Company LP | Shivers-Black Stone Unit A-7 #3H | 16,000 | 45730746 |
| 691949 | Mar 1, 2010 | Mar 1, 2010 | Krescent Energy Company, LLC | McMillan - Wmru A-415 #1 | 10,500 | 45730745 |
| 689438 | Feb 11, 2010 | Feb 11, 2010 | BBX Operating, L.L.C. | Brown Unit #1HH | 14,500 | 45730741 |
| 689438Amendment | Feb 11, 2010 | Feb 11, 2010 | BBX Operating, L.L.C. | Brown Unit #1HH | 14,500 | 45730741 |
| 690241 | Jan 26, 2010 | Jan 26, 2010 | Krescent Energy Company, LLC | Krescent Energy BP America A-740 #1 | 10,400 | 45730743 |
| 689864 | Jan 21, 2010 | Jan 21, 2010 | Anadarko E&P Company LP | BP Black Stone a-18 Unit #2H | 16,000 | 45730742 |
| 687929 | Nov 30, 2009 | Nov 30, 2009 | Tempest Energy Resources, LP | BP America A-62 #2 | 10,000 | 45730740 |
| 685390 | Nov 30, 2009 | Nov 30, 2009 | Anadarko E&P Company LP | Black Stone Hanks a-20 Unit #2H | 16,000 | 45730739 |
| 685390Amendment | Nov 30, 2009 | Nov 30, 2009 | Anadarko E&P Company LP | Black Stone Hanks a-20 Unit #2H | 16,000 | 45730739 |
| 685492 | Sep 25, 2009 | Sep 25, 2009 | Miller Energy, Inc. | Rice #1 | 10,090 | 45730635 |
| 684513 | Sep 1, 2009 | Sep 1, 2009 | Davis Southern Operating Co LLC | BP-Big Iron #1 | 7,000 | 45730738 |
| 683041 | Sep 1, 2009 | Sep 1, 2009 | Anadarko E&P Company LP | Black Stone Minerals a-388 Unit #1H | 16,000 | 45730737 |
| 683041Amendment | Sep 1, 2009 | Sep 1, 2009 | Anadarko E&P Company LP | Black Stone Minerals a-388 Unit #1H | 16,000 | 45730737 |
| 683041Amendment | Sep 1, 2009 | Sep 1, 2009 | Anadarko E&P Company LP | Black Stone Minerals a-388 Unit #1H | 16,000 | 45730737 |
| 683964 | Aug 11, 2009 | Aug 11, 2009 | Krescent Energy Company, LLC | Quinn Unit #3HH | 16,000 | 45730710 |
| 682101 | Jul 31, 2009 | Jul 31, 2009 | Anadarko E&P Company LP | Sterling-Black Stone a-5 West UT #2H | 16,000 | 45730736 |
| 681952 | Jun 10, 2009 | Jun 10, 2009 | Anadarko E&P Company LP | Black Stone South a-7 Unit #2H | 16,000 | 45730735 |
| 681554 | Jun 10, 2009 | Jun 10, 2009 | Davis Bros. Oil Producers, Inc. | Arco-Beathard #5 | 10,502 | 45730554 |
| 680519 | Jun 5, 2009 | Jun 5, 2009 | Ergon Energy Partners, L.P. | Hatton #1H | 14,800 | 45730734 |
| 680361 | Jun 2, 2009 | Jun 2, 2009 | Anadarko E&P Company LP | Tubb Trust Unit #1H | 16,000 | 45730733 |
| 680361Amendment | Jun 2, 2009 | Jun 2, 2009 | Anadarko E&P Company LP | Tubb Trust Unit #1H | 16,000 | 45730733 |
| 679452 | Mar 16, 2009 | Mar 16, 2009 | Ergon Energy Partners, L.P. | Townbluff #1RH | 14,000 | 45730732 |
| 668316Amendment | Mar 16, 2009 | Mar 16, 2009 | Anadarko E&P Company LP | Black Stone Minerals A-175 #1H | 15,000 | 45730714 |
| 662060Amendment | Mar 6, 2009 | Mar 6, 2009 | Anadarko E&P Company LP | Reid O'Brien Unit #2H | 15,000 | 45730706 |
| 676312Amendment | Mar 2, 2009 | Mar 2, 2009 | Tempest Energy Resources, LP | BP America A-62 #1 | 15,500 | 45730728 |
| 668468 | Jan 30, 2009 | Jan 30, 2009 | Anadarko E&P Company LP | Black Stone Taylor a-33 Unit #2H | 15,500 | 45730715 |
| 668468Amendment | Jan 30, 2009 | Jan 30, 2009 | Anadarko E&P Company LP | Black Stone Taylor a-33 Unit #2H | 15,500 | 45730715 |
| 668078 | Jan 30, 2009 | Jan 30, 2009 | Anadarko E&P Company LP | Black Stone Lewis East Unit #1H | 14,000 | 45730713 |
| 675809 | Jan 21, 2009 | Jan 21, 2009 | Anadarko E&P Company LP | Black Stone Mann a-24 Unit #1H | 17,000 | 45730727 |
| 672733 | Jan 16, 2009 | Jan 16, 2009 | Ergon Energy Partners, L.P. | Turner #1H | 14,600 | 45730724 |
| 677133 | Jan 13, 2009 | Jan 13, 2009 | Anadarko E&P Company LP | Black Stone Schmied a-1070 Unit #2H | 16,000 | 45730729 |
| 672733Amendment | Jan 2, 2009 | Jan 2, 2009 | Ergon Energy Partners, L.P. | Turner #1 | 14,600 | 45730724 |
| 676312 | Dec 19, 2008 | Dec 19, 2008 | Tempest Energy Resources, LP | BP America A-62 #1 | 13,500 | 45730728 |
| 670447 | Nov 21, 2008 | Nov 21, 2008 | Danmark Energy Services, Inc. | Jacks Creek Oil Unit 2 #1 | 8,150 | 45730439 |
| 665369 | Nov 21, 2008 | Nov 21, 2008 | Etoco, L.P. | Beaty Black Stone a-163 Unit #1H | 15,000 | 45730709 |
| 674752 | Nov 17, 2008 | Nov 17, 2008 | Anadarko E&P Company LP | Black Stone Minerals a-618 Unit #3H | 15,000 | 45730726 |
| 674317 | Nov 13, 2008 | Nov 13, 2008 | Anadarko E&P Company LP | BP Black Stone a-371 Unit #A 1REH | 14,500 | 45730699 |
| 668569Amendment | Nov 12, 2008 | Nov 12, 2008 | Geosouthern Energy Corporation | Gunter #1HH | 14,000 | 45730716 |
| 668569Amendment | Nov 12, 2008 | Nov 12, 2008 | BBX Operating, L.L.C. | Gunter #1HH | 14,000 | 45730716 |
| 658704Amendment | Oct 16, 2008 | Oct 16, 2008 | Geosouthern Energy Corporation | Blackstone Lake Tejas Unit 2 #1H | 14,000 | 45730702 |
| 672506 | Oct 11, 2008 | Oct 11, 2008 | Unit Petroleum Company | Stapleton #1 | 13,500 | 45730723 |
| 670739 | Sep 25, 2008 | Sep 25, 2008 | Anadarko E&P Company LP | Black Stone Schmied a-1070 Unit #1H | 16,000 | 45730721 |
| 670739Amendment | Sep 25, 2008 | Sep 25, 2008 | Anadarko E&P Company LP | Black Stone Schmied a-1070 Unit #1H | 14,000 | 45730721 |
| 670138 | Sep 25, 2008 | Sep 25, 2008 | Ergon Energy Partners, L.P. | Black Stone Minerals-Jones #1H | 14,600 | 45730722 |
| 670138Amendment | Sep 25, 2008 | Sep 25, 2008 | Ergon Energy Partners, L.P. | Black Stone Minerals-Jones #1H | 14,600 | 45730722 |
| 670629 | Sep 24, 2008 | Sep 24, 2008 | Etoco, L.P. | J. Poindexter Unit #1H | 15,000 | 45730720 |
| 670219 | Sep 22, 2008 | Sep 22, 2008 | Unit Petroleum Company | Wildwood Gas Unit "B" #2 | 10,000 | 45730719 |
| 668569 | Sep 10, 2008 | Sep 10, 2008 | Geosouthern Energy Corporation | Gunter #1 | 14,000 | 45730716 |
| 668730 | Aug 29, 2008 | Aug 29, 2008 | Anadarko E&P Company LP | Black Stone Lowe a-444 Unit #1H | 16,000 | 45730718 |
| 668577 | Aug 25, 2008 | Aug 25, 2008 | Geosouthern Energy Corporation | Blackstone Lake Tejas Unit 3 #1H | 13,000 | 45730717 |
| 668316 | Aug 22, 2008 | Aug 22, 2008 | Anadarko E&P Company LP | Black Stone Minerals A-175 #1H | 14,900 | 45730714 |
| 668316Amendment | Aug 22, 2008 | Aug 22, 2008 | Anadarko E&P Company LP | Black Stone Minerals A-175 #1H | 15,000 | 45730714 |
| 668316Amendment | Aug 22, 2008 | Aug 22, 2008 | Anadarko E&P Company LP | Black Stone Minerals A-175 #1H | 15,000 | 45730714 |
| 667804 | Aug 13, 2008 | Aug 13, 2008 | Unit Petroleum Company | Wiggins #1 | 11,700 | 45730712 |
| 667804Amendment | Aug 13, 2008 | Aug 13, 2008 | Unit Petroleum Company | Wiggins #1 | 11,700 | 45730712 |
| 666161 | Jul 29, 2008 | Jul 29, 2008 | Vision Operating Company, L.L.C. | Rice University A-393 #1HH | 15,250 | 45730711 |
| 666332 | Jul 14, 2008 | Jul 14, 2008 | Krescent Energy Company, LLC | Quinn #3 | 16,000 | 45730710 |
| 666332Amendment | Jul 14, 2008 | Jul 14, 2008 | Krescent Energy Company, LLC | Quinn #3HH | 16,000 | 45730710 |
| 662060 | Jul 2, 2008 | Jul 2, 2008 | Anadarko E&P Company LP | Reid O'Brien Unit #2H | 15,000 | 45730706 |
| 658306 | Jun 19, 2008 | Jun 19, 2008 | Anadarko E&P Company LP | Black Stone Taylor a-33 Unit #1H | 15,500 | 45730701 |
| 658306Amendment | Jun 19, 2008 | Jun 19, 2008 | Anadarko E&P Company LP | Black Stone Taylor a-33 Unit #1H | 14,172 | 45730701 |
| 663498 | Jun 18, 2008 | Jun 18, 2008 | Unit Petroleum Company | BP "H" #1 | 13,000 | 45730708 |
| 663498Amendment | Jun 18, 2008 | Jun 18, 2008 | Unit Petroleum Company | BP "H" #1 | 13,000 | 45730708 |
| 662785 | Jun 16, 2008 | Jun 16, 2008 | Ergon Energy Partners, L.P. | Townbluff #1H | 14,000 | 45730707 |
| 660832 | May 20, 2008 | May 20, 2008 | Anadarko E&P Company LP | Black Stone Nolin a-491 Unit #1H | 15,500 | 45730705 |
| 659400 | Apr 30, 2008 | Apr 30, 2008 | Krescent Energy Company, LLC | Quinn #2H | 16,000 | 45730704 |
| 658718 | Apr 24, 2008 | Apr 24, 2008 | Etoco, L.P. | Courtney Unit #1 | 11,000 | 45730703 |
| 658718Amendment | Apr 24, 2008 | Apr 24, 2008 | Etoco, L.P. | Courtney Unit #1 | 10,600 | 45730703 |
| 655692 | Apr 12, 2008 | Apr 12, 2008 | Quail Creek Oil Corporation | Atlantic Sinclair Fee #9 | 6,110 | 45730008 |
| 658704 | Apr 11, 2008 | Apr 11, 2008 | Geosouthern Energy Corporation | Blackstone Lake Tejas Unit 2 #1H | 14,000 | 45730702 |
| 656176 | Apr 8, 2008 | Apr 8, 2008 | Anadarko E&P Company LP | Black Stone Wheat a-661 Unit #1H | 15,000 | 45730698 |
| 656860 | Mar 7, 2008 | Mar 7, 2008 | Anadarko E&P Company LP | BP Black Stone a-371 Unit #1AH | 14,600 | 45730699 |
| 656860Amendment | Mar 7, 2008 | Mar 7, 2008 | Anadarko E&P Company LP | BP Black Stone a-371 Unit #1AH | 14,600 | 45730699 |
| 655708 | Feb 28, 2008 | Feb 28, 2008 | Ergon Energy Partners, L.P. | Mason #1H | 14,000 | 45730697 |
| 655601 | Feb 26, 2008 | Feb 26, 2008 | Ergon Energy Partners, L.P. | Hally #2H | 14,500 | 45730696 |
| 655409 | Feb 25, 2008 | Feb 25, 2008 | Famcor Oil, Inc. | Kimball NE #1 | 6,000 | 45730695 |
| 649509 | Feb 11, 2008 | Feb 11, 2008 | Danmark Energy Services, Inc. | Exxon Mineral Fee #1 | 8,416 | 45730428 |
| 653867 | Feb 4, 2008 | Feb 4, 2008 | Unit Petroleum Company | BP "G" #2 | 14,200 | 45730694 |
| 653892 | Feb 2, 2008 | Feb 2, 2008 | Famcor Oil, Inc. | Little Jacks #1 | 5,400 | 45730693 |
| 653779 | Feb 1, 2008 | Feb 1, 2008 | Famcor Oil, Inc. | Kimball #1 | 5,600 | 45730692 |
| 652721 | Jan 16, 2008 | Jan 16, 2008 | Ergon Energy Partners, L.P. | Hally #1H | 14,500 | 45730691 |
| 652246 | Jan 11, 2008 | Jan 11, 2008 | Etoco, L.P. | Black Stone a-432 Unit #2H | 14,000 | 45730690 |
| 650826 | Dec 13, 2007 | Dec 13, 2007 | Unit Petroleum Company | Hickwood #1 | 13,500 | 45730689 |
| 651041 | Dec 11, 2007 | Dec 11, 2007 | Unit Petroleum Company | Wildwood Gas Unit "B" #1 | 13,200 | 45730688 |
| 649524 | Nov 28, 2007 | Nov 28, 2007 | Anadarko E&P Company LP | BP Black Stone a-18 Unit #1H | 14,500 | 45730687 |
| 649524Amendment | Nov 28, 2007 | Nov 28, 2007 | Anadarko E&P Company LP | BP Black Stone a-18 Unit #1H | 14,500 | 45730687 |