| 696759 | Jun 2, 2010 | Jun 2, 2010 | Newfield Exploration Company | Ferguson-McKnight 526 #1HH | 7,300 | 12733698 |
| 696559 | May 28, 2010 | May 28, 2010 | Anadarko E&P Company LP | Shape Ranch #3HH | 6,500 | 12733695 |
| 696559Amendment | May 28, 2010 | May 28, 2010 | Anadarko E&P Onshore LLC | Fogmt #6SHH | 6,058 | 12733695 |
| 696298 | May 28, 2010 | May 28, 2010 | Alamo Operating Company, L. C. | Yolanda Villarreal #1HH | 5,500 | 12733697 |
| 696298Amendment | May 28, 2010 | May 28, 2010 | Alamo Operating Company, L. C. | Yolanda Villarreal #1HH | 5,500 | 12733697 |
| 696298Amendment | May 28, 2010 | May 28, 2010 | Alamo Operating Company, L. C. | Yolanda Villarreal #1HH | 5,500 | 12733697 |
| 696624 | May 27, 2010 | May 27, 2010 | Anadarko E&P Company LP | Briscoe Cochina West Ranch #2HH | 8,000 | 12733696 |
| 696542 | May 26, 2010 | May 26, 2010 | Anadarko E&P Company LP | Diamond H Ranch #2HH | 8,500 | 12733693 |
| 696542Amendment | May 26, 2010 | May 26, 2010 | Anadarko E&P Onshore LLC | Diamond H Ranch #2HH | 8,500 | 12733693 |
| 696537 | May 26, 2010 | May 26, 2010 | Anadarko E&P Company LP | Diamond H State #2HH | 8,500 | 12733694 |
| 696402 | May 24, 2010 | May 24, 2010 | Chesapeake Operating, Inc. | Jbgs #1HH | 18,000 | 12733692 |
| 696402Amendment | May 24, 2010 | May 24, 2010 | Chesapeake Operating, Inc. | Jbgs #1HH | 18,000 | 12733692 |
| 695764 | May 20, 2010 | May 20, 2010 | Peregrine Petroleum, LLC | Jred Ranch #0301HH | 6,000 | 12733691 |
| 696152 | May 19, 2010 | May 19, 2010 | Anadarko E&P Company LP | Beinhorn Ranch #4HH | 9,000 | 12733690 |
| 696151 | May 19, 2010 | May 19, 2010 | Anadarko E&P Company LP | Briscoe Friday Ranch #1HH | 9,000 | 12733689 |
| 696001 | May 17, 2010 | May 17, 2010 | CML Exploration, LLC | Box #1H | 7,000 | 12733688 |
| 696001Amendment | May 17, 2010 | May 17, 2010 | CML Exploration, LLC | Box #1H | 7,000 | 12733688 |
| 696001Amendment | May 17, 2010 | May 17, 2010 | CML Exploration, LLC | Box #1H | 7,000 | 12733688 |
| 695946 | May 13, 2010 | May 13, 2010 | Anadarko E&P Company LP | Briscoe Catarina North #1HH | 8,500 | 12733687 |
| 695946Amendment | May 13, 2010 | May 13, 2010 | Anadarko E&P Company LP | Briscoe Catarina North #1HH | 7,764 | 12733687 |
| 695374 | May 4, 2010 | May 4, 2010 | Anadarko E&P Company LP | South Spur State #2HH | 7,500 | 12733686 |
| 695311 | May 4, 2010 | May 4, 2010 | Anadarko E&P Company LP | Briscoe Catarina West #8HH | 8,500 | 12733685 |
| 695183 | Apr 29, 2010 | Apr 29, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #4HH | 8,500 | 12733684 |
| 695157 | Apr 28, 2010 | Apr 28, 2010 | Anadarko E&P Company LP | Briscoe Catarina West #10HH | 12,500 | 12733682 |
| 695148 | Apr 28, 2010 | Apr 28, 2010 | CML Exploration, LLC | Evergreen #1H | 6,500 | 12733683 |
| 694855 | Apr 26, 2010 | Apr 26, 2010 | Anadarko E&P Company LP | Briscoe Carla Ranch #1HH | 7,000 | 12733681 |
| 694435 | Apr 16, 2010 | Apr 16, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #13HH | 8,500 | 12733680 |
| 694023 | Apr 9, 2010 | Apr 9, 2010 | Anadarko E&P Company LP | Rogers Dentonio Ranch #2HH | 7,500 | 12733679 |
| 693704 | Apr 7, 2010 | Apr 7, 2010 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #10HH | 9,000 | 12733678 |
| 693600 | Mar 30, 2010 | Mar 30, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #10HH | 8,500 | 12733677 |
| 693541 | Mar 30, 2010 | Mar 30, 2010 | Redemption Oil & Gas, LLC | Shook #21HH | 6,400 | 12733676 |
| 693416 | Mar 25, 2010 | Mar 25, 2010 | CML Exploration, LLC | Betty #1H | 6,900 | 12733675 |
| 693416Amendment | Mar 25, 2010 | Mar 25, 2010 | CML Exploration, LLC | Betty #1H | 6,900 | 12733675 |
| 693357 | Mar 25, 2010 | Mar 25, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #9HH | 8,500 | 12733674 |
| 692994 | Mar 25, 2010 | Mar 25, 2010 | JB Oil & Gas Well Service | Codigo Naranja #1H | 7,700 | 12733282 |
| 693288 | Mar 24, 2010 | Mar 24, 2010 | Anadarko E&P Company LP | La Bandera Ranch #3HH | 7,000 | 12733673 |
| 693174 | Mar 22, 2010 | Mar 22, 2010 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #9HH | 9,000 | 12733672 |
| 692630 | Mar 17, 2010 | Mar 17, 2010 | Anadarko E&P Company LP | Briscoe Carla Ranch #2HH | 8,500 | 12733666 |
| 692687 | Mar 12, 2010 | Mar 12, 2010 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #8HH | 9,000 | 12733671 |
| 692669 | Mar 12, 2010 | Mar 12, 2010 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #6HH | 9,000 | 12733670 |
| 692665 | Mar 12, 2010 | Mar 12, 2010 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #5HH | 9,000 | 12733669 |
| 692660 | Mar 12, 2010 | Mar 12, 2010 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #4HH | 9,000 | 12733668 |
| 692646 | Mar 12, 2010 | Mar 12, 2010 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #3HH | 8,675 | 12733667 |
| 692049 | Mar 9, 2010 | Mar 9, 2010 | Carrizo Exploration, Inc. | Winn #2 | 6,650 | 12733417 |
| 692105 | Mar 4, 2010 | Mar 4, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #1HH | 9,000 | 12733665 |
| 692105Amendment | Mar 4, 2010 | Mar 4, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #1HH | 9,000 | 12733665 |
| 691717 | Feb 24, 2010 | Feb 24, 2010 | Anadarko E&P Company LP | Beinhorn Ranch #3HH | 10,000 | 12733664 |
| 691695 | Feb 23, 2010 | Feb 23, 2010 | CML Exploration, LLC | Verna #1H | 6,900 | 12733663 |
| 691695Amendment | Feb 23, 2010 | Feb 23, 2010 | CML Exploration, LLC | Verna #1H | 6,900 | 12733663 |
| 691636 | Feb 22, 2010 | Feb 22, 2010 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #7HH | 8,400 | 12733662 |
| 691609 | Feb 22, 2010 | Feb 22, 2010 | Anadarko E&P Company LP | Diamond H Ranch #1HH | 8,500 | 12733661 |
| 691609Amendment | Feb 22, 2010 | Feb 22, 2010 | Anadarko E&P Company LP | Diamond H Ranch #1HH | 8,500 | 12733661 |
| 691498 | Feb 19, 2010 | Feb 19, 2010 | Anadarko E&P Company LP | South Spur State #1HH | 7,500 | 12733660 |
| 691060 | Feb 17, 2010 | Feb 17, 2010 | Murphy Exploration & Prod. Co. | Briggs #1HH | 8,550 | 12733659 |
| 691060Amendment | Feb 17, 2010 | Feb 17, 2010 | Murphy Expl. & Prod. Co. - USA | Briggs #1HH | 8,550 | 12733659 |
| 690862 | Feb 11, 2010 | Feb 11, 2010 | Anadarko E&P Company LP | Briscoe Cochina West Ranch #1HH | 9,000 | 12733658 |
| 690792 | Feb 10, 2010 | Feb 10, 2010 | Anadarko E&P Company LP | Diamond H State #1HH | 8,500 | 12733657 |
| 690920 | Feb 9, 2010 | Feb 9, 2010 | LMP Petroleum, Inc. | Thompson #1023HRH | 7,500 | 12732871 |
| 689921 | Feb 3, 2010 | Feb 3, 2010 | Anadarko E&P Company LP | Shape Ranch #2HH | 11,000 | 12733654 |
| 690551 | Feb 2, 2010 | Feb 2, 2010 | Sage Energy Company | Jbgs #1 | 4,700 | 12733656 |
| 690340 | Jan 27, 2010 | Jan 27, 2010 | Lewis Petro Properties, Inc. | Cotulla #1HH | 16,000 | 12733655 |
| 689951 | Jan 21, 2010 | Jan 21, 2010 | Texas American Resources Company | Big Wells (San Miguel) Unit #2136 | 5,530 | 12733652 |
| 689786 | Jan 21, 2010 | Jan 21, 2010 | Txco Resources Inc. | Briscoe-McKnight #1597HH | 6,400 | 12733653 |
| 689663 | Jan 14, 2010 | Jan 14, 2010 | CML Exploration, LLC | Opa Unit #1H | 6,800 | 12733651 |
| 689663Amendment | Jan 14, 2010 | Jan 14, 2010 | CML Exploration, LLC | Opa Unit #1H | 6,800 | 12733651 |
| 688578 | Dec 14, 2009 | Dec 14, 2009 | CML Exploration, LLC | Teel #1 | 4,300 | 12733650 |
| 688578Amendment | Dec 14, 2009 | Dec 14, 2009 | CML Exploration, LLC | Teel #1 | 4,300 | 12733650 |
| 688578Amendment | Dec 14, 2009 | Dec 14, 2009 | CML Exploration, LLC | Teel #1 | 4,300 | 12733650 |
| 688428 | Dec 10, 2009 | Dec 10, 2009 | CML Exploration, LLC | Bermuda #1H | 7,000 | 12733649 |
| 688428Amendment | Dec 10, 2009 | Dec 10, 2009 | CML Exploration, LLC | Bermuda #1H | 7,000 | 12733649 |
| 688151 | Dec 7, 2009 | Dec 7, 2009 | Sabco Operating Company | Elaine (5100) Unit #77 | 5,070 | 12730891 |
| 688174 | Dec 4, 2009 | Dec 4, 2009 | Anadarko E&P Company LP | Briscoe Catarina West #6HH | 8,500 | 12733648 |
| 688119 | Dec 3, 2009 | Dec 3, 2009 | Sage Energy Company | Ten F Partners #2 | 5,000 | 12733647 |
| 688109 | Dec 3, 2009 | Dec 3, 2009 | Anadarko E&P Company LP | Briscoe Catarina Ranch #3HH | 8,500 | 12733646 |
| 687483 | Dec 2, 2009 | Dec 2, 2009 | Texas American Resources Company | Bowman -A- #1HH | 7,250 | 12733645 |
| 687483Amendment | Dec 2, 2009 | Dec 2, 2009 | Texas American Resources Company | Bowman -A- #1HH | 7,250 | 12733645 |
| 687571 | Nov 25, 2009 | Nov 25, 2009 | Anadarko E&P Company LP | Beinhorn Ranch #2HH | 9,000 | 12733644 |
| 687567 | Nov 19, 2009 | Nov 19, 2009 | Anadarko E&P Company LP | Briscoe Catarina West #7HH | 9,000 | 12733643 |
| 687520 | Nov 18, 2009 | Nov 18, 2009 | Sage Energy Company | Quien Sabe Unit #1 | 5,000 | 12733640 |
| 687518 | Nov 18, 2009 | Nov 18, 2009 | Anadarko E&P Company LP | Briscoe Catarina West #3HH | 13,000 | 12733616 |
| 687516 | Nov 18, 2009 | Nov 18, 2009 | Redemption Oil & Gas, LLC | Risinger #1022HH | 9,700 | 12733639 |
| 687514 | Nov 18, 2009 | Nov 18, 2009 | Texas American Resources Company | Big Wells (San Miguel) Unit #2134 | 5,530 | 12733642 |
| 687512 | Nov 18, 2009 | Nov 18, 2009 | Texas American Resources Company | Big Wells (San Miguel) Unit #2135 | 5,530 | 12733641 |
| 687496 | Nov 18, 2009 | Nov 18, 2009 | Texas American Resources Company | Big Wells (San Miguel) Unit #2041 | 5,530 | 12733638 |
| 687340 | Nov 16, 2009 | Nov 16, 2009 | Anadarko E&P Company LP | Briscoe Catarina West #5HH | 9,000 | 12733637 |
| 686751 | Nov 2, 2009 | Nov 2, 2009 | Anadarko E&P Company LP | Rogers Dentonio Ranch #1HH | 8,000 | 12733636 |
| 686708 | Oct 28, 2009 | Oct 28, 2009 | Sage Energy Company | Triplitt Unit #1HH | 6,000 | 12733635 |
| 686708Amendment | Oct 28, 2009 | Oct 28, 2009 | Sage Energy Company | Triplitt Unit #1HH | 5,450 | 12733635 |
| 686633 | Oct 28, 2009 | Oct 28, 2009 | Anadarko E&P Company LP | La Bandera Ranch #2HH | 8,000 | 12733634 |
| 686050 | Oct 13, 2009 | Oct 13, 2009 | Txco Resources Inc. | South Pena Creek Unit #500 | 3,410 | 12733183 |
| 685936 | Oct 9, 2009 | Oct 9, 2009 | Anadarko E&P Company LP | South Spur Ranch #1HH | 10,000 | 12733633 |
| 685936Amendment | Oct 9, 2009 | Oct 9, 2009 | Anadarko E&P Company LP | South Spur Ranch #1HH | 10,000 | 12733633 |
| 685888 | Oct 7, 2009 | Oct 7, 2009 | CML Exploration, LLC | Sugarland #1H | 7,000 | 12733632 |
| 685888Amendment | Oct 7, 2009 | Oct 7, 2009 | CML Exploration, LLC | Sugarland #1H | 7,000 | 12733632 |
| 685833 | Oct 6, 2009 | Oct 6, 2009 | Redemption Oil & Gas, LLC | Shook #101HH | 10,200 | 12733631 |
| 685764 | Oct 5, 2009 | Oct 5, 2009 | Killam Oil Co., Ltd. | Brymer Unit #1REH | 10,800 | 12733039 |
| 685480 | Sep 29, 2009 | Sep 29, 2009 | Texas American Resources Company | Frost National Bank Trust Unit #61H | 7,500 | 12732835 |
| 685480Amendment | Sep 29, 2009 | Sep 29, 2009 | Texas American Resources Company | Frost National Bank Trust Unit #61H | 7,500 | 12732835 |
| 685352 | Sep 22, 2009 | Sep 22, 2009 | Redemption Oil & Gas, LLC | Latham-McKnight #101HH | 8,900 | 12733630 |
| 684497 | Aug 28, 2009 | Aug 28, 2009 | Anadarko E&P Company LP | Briscoe Catarina West #4HH | 12,000 | 12733629 |