| 684497Amendment | Aug 28, 2009 | Aug 28, 2009 | Anadarko E&P Company LP | Briscoe Catarina West #4HH | 12,000 | 12733629 |
| 683824 | Aug 19, 2009 | Aug 19, 2009 | Encana Oil & Gas(usa) Inc. | Mayberry South McKnight 21 #1HH | 16,000 | 12733627 |
| 683961 | Aug 12, 2009 | Aug 12, 2009 | Txco Resources Inc. | McKnight Tract 15 #1 | 6,320 | 12731694 |
| 683863 | Aug 10, 2009 | Aug 10, 2009 | Anadarko E&P Company LP | San Pedro Ranch #4HH | 6,400 | 12733628 |
| 683606 | Jul 31, 2009 | Jul 31, 2009 | Txco Resources Inc. | Briscoe-McKnight #1597XHH | 6,000 | 12733626 |
| 683606Amendment | Jul 31, 2009 | Jul 31, 2009 | Txco Resources Inc. | Briscoe-McKnight #1597XHH | 6,000 | 12733626 |
| 682651 | Jul 21, 2009 | Jul 21, 2009 | Sage Energy Company | Parker Unit #1 | 5,000 | 12733625 |
| 682507 | Jul 8, 2009 | Jul 8, 2009 | Sage Energy Company | Ten F Partners #1 | 5,000 | 12733622 |
| 682544 | Jul 7, 2009 | Jul 7, 2009 | Anadarko E&P Company LP | Beinhorn Ranch #1HH | 9,000 | 12733624 |
| 682557 | Jun 30, 2009 | Jun 30, 2009 | CML Exploration, LLC | Molak #1H | 7,000 | 12733623 |
| 682283 | Jun 30, 2009 | Jun 30, 2009 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #2HH | 9,500 | 12733621 |
| 682109 | Jun 18, 2009 | Jun 18, 2009 | Anadarko E&P Company LP | Briscoe Cochina East Ranch #1HH | 10,000 | 12733620 |
| 681780Amendment | Jun 9, 2009 | Jun 9, 2009 | St. Mary Land & Exploration Co. | La Bandera Ranch #1HH | 6,500 | 12733618 |
| 665421Amendment | Jun 4, 2009 | Jun 4, 2009 | Txco Resources Inc. | Myers #1683D | 8,650 | 12733208 |
| 681780 | Jun 3, 2009 | Jun 3, 2009 | St. Mary Land & Exploration Co. | La Bandera Ranch #1HH | 6,100 | 12733618 |
| 681614 | May 29, 2009 | May 29, 2009 | CML Exploration, LLC | Moreland #1H | 6,800 | 12733617 |
| 681614Amendment | May 29, 2009 | May 29, 2009 | CML Exploration, LLC | Moreland #1H | 6,800 | 12733617 |
| 681431 | May 21, 2009 | May 21, 2009 | Anadarko E&P Company LP | Briscoe Catarina West #3 | 12,000 | 12733616 |
| 672067Amendment | May 21, 2009 | May 21, 2009 | St. Mary Land & Exploration Co. | Shape Ranch #1HH | 7,000 | 12733592 |
| 679889Amendment | May 8, 2009 | May 8, 2009 | Stonegate Production Company,llc | Hatch #1HH | 11,450 | 12733613 |
| 680473 | Apr 24, 2009 | Apr 24, 2009 | Anadarko E&P Company LP | Briscoe Catarina West #2HH | 8,500 | 12733615 |
| 680520 | Apr 22, 2009 | Apr 22, 2009 | L & J Exploration, LLC | Hitchcock -a- Unit #4A | 4,000 | 12733614 |
| 679889 | Apr 9, 2009 | Apr 9, 2009 | Stonegate Production Company,llc | Hatch #1HH | 8,500 | 12733613 |
| 679338 | Mar 12, 2009 | Mar 12, 2009 | Anadarko E&P Company LP | Briscoe Catarina Ranch #2HH | 8,700 | 12733612 |
| 658893Amendment | Mar 12, 2009 | Mar 12, 2009 | Express Oil Co. | Reyes #1HH | 5,999 | 12733256 |
| 678997 | Mar 3, 2009 | Mar 3, 2009 | Txco Resources Inc. | McKnight-Powell #109 | 3,400 | 12733611 |
| 678595 | Feb 27, 2009 | Feb 27, 2009 | Carrizo Exploration, Inc. | Votaw #1 | 4,000 | 12732743 |
| 677387 | Feb 11, 2009 | Feb 11, 2009 | Ampak Oil Company | Wilson #3 | 9,000 | 12732855 |
| 677388 | Jan 22, 2009 | Jan 22, 2009 | Ampak Oil Company | Ralph #1H | 9,000 | 12733033 |
| 677286 | Jan 16, 2009 | Jan 16, 2009 | Ampak Oil Company | James #1H | 9,000 | 12733060 |
| 676750 | Jan 7, 2009 | Jan 7, 2009 | Lewis Petro Properties, Inc. | Cotulla Ranch #9 | 7,200 | 12733610 |
| 676803 | Jan 5, 2009 | Jan 5, 2009 | TX Energy Services, LLC | Frost National Bank #1 | 5,500 | 12732957 |
| 676779 | Jan 2, 2009 | Jan 2, 2009 | Swift Energy Operating, LLC | Briscoe #34 | 6,000 | 12733609 |
| 676364 | Dec 31, 2008 | Dec 31, 2008 | Chaparral Natural Resources,inc. | Dillon, B W #10 | 4,700 | 12730789 |
| 675726 | Dec 8, 2008 | Dec 8, 2008 | Stonegate Production Company,llc | Anderson #1 | 8,500 | 12733608 |
| 675726Amendment | Dec 8, 2008 | Dec 8, 2008 | Stonegate Production Company,llc | Anderson #1 | 8,500 | 12733608 |
| 675608 | Dec 2, 2008 | Dec 2, 2008 | Swift Energy Operating, LLC | Briscoe (5140) #8052 | 8,000 | 12733607 |
| 675203 | Nov 21, 2008 | Nov 21, 2008 | CML Exploration, LLC | FGP #1H | 7,000 | 12733606 |
| 675203Amendment | Nov 21, 2008 | Nov 21, 2008 | CML Exploration, LLC | FGP #1H | 7,000 | 12733606 |
| 674748 | Nov 15, 2008 | Nov 15, 2008 | L & J Exploration, LLC | Soldiers Lake #1 A | 3,850 | 12733605 |
| 674714 | Nov 15, 2008 | Nov 15, 2008 | Txco Resources Inc. | Briscoe Catarina West #1HH | 8,500 | 12733421 |
| 674957 | Nov 13, 2008 | Nov 13, 2008 | Crimson Energy Partners, L.P. | Beinhorn #6 | 6,000 | 12733604 |
| 673565 | Nov 7, 2008 | Nov 7, 2008 | L & J Exploration, LLC | A-McCombs Unit #77 | 4,000 | 12733601 |
| 674244 | Nov 6, 2008 | Nov 6, 2008 | CML Exploration, LLC | Russell #1H | 7,200 | 12733603 |
| 674275 | Nov 3, 2008 | Nov 3, 2008 | Crimson Energy Partners, L.P. | Beinhorn #5 | 6,000 | 12733602 |
| 673550 | Oct 24, 2008 | Oct 24, 2008 | L & J Exploration, LLC | El-Jefe #1 | 4,000 | 12733599 |
| 673675 | Oct 23, 2008 | Oct 23, 2008 | Crimson Energy Partners, L.P. | Briscoe "B" #13 | 6,000 | 12733600 |
| 673240 | Oct 21, 2008 | Oct 21, 2008 | Txco Resources Inc. | O'Meara-Webb 687 Unit #1HH | 10,700 | 12733598 |
| 673240Amendment | Oct 21, 2008 | Oct 21, 2008 | Txco Resources Inc. | O'Meara-Webb 687 Unit #1HH | 9,800 | 12733598 |
| 672877 | Oct 16, 2008 | Oct 16, 2008 | Swift Energy Operating, LLC | Briscoe, Dolph C #62 | 8,000 | 12733597 |
| 672857 | Oct 15, 2008 | Oct 15, 2008 | Swift Energy Operating, LLC | Briscoe, Dolph A #58 | 8,000 | 12733596 |
| 672554 | Oct 11, 2008 | Oct 11, 2008 | Swift Energy Operating, LLC | Briscoe, Dolph F #69 | 8,000 | 12733595 |
| 672387 | Oct 11, 2008 | Oct 11, 2008 | Swift Energy Operating, LLC | Briscoe, Dolph F #68 | 8,000 | 12733594 |
| 672157 | Oct 8, 2008 | Oct 8, 2008 | Swift Energy Operating, LLC | Briscoe, Dolph E #61 | 6,000 | 12733593 |
| 672067 | Oct 8, 2008 | Oct 8, 2008 | Txco Resources Inc. | San Pedro Ranch #3HH | 12,000 | 12733592 |
| 672067Amendment | Oct 8, 2008 | Oct 8, 2008 | Txco Resources Inc. | Shape Ranch #1HH | 6,500 | 12733592 |
| 672036 | Oct 7, 2008 | Oct 7, 2008 | Swift Energy Operating, LLC | Briscoe, Dolph E #62 | 6,000 | 12733591 |
| 671605 | Oct 4, 2008 | Oct 4, 2008 | Sage Energy Company | Winton Unit #1HH | 7,000 | 12733590 |
| 671605Amendment | Oct 4, 2008 | Oct 4, 2008 | Sage Energy Company | Winton Unit #1HH | 6,528 | 12733590 |
| 671578 | Oct 4, 2008 | Oct 4, 2008 | Crimson Energy Partners, L.P. | Beinhorn #4 | 6,000 | 12733589 |
| 671521 | Oct 4, 2008 | Oct 4, 2008 | Botasch Operating, LLC | Hayden, W.F. et al Unit #1H | 7,000 | 12732992 |
| 668141 | Sep 29, 2008 | Sep 29, 2008 | Sage Energy Company | Dimmit-Wood Unit #2HH | 6,800 | 12733265 |
| 670055 | Sep 11, 2008 | Sep 11, 2008 | Sage Energy Company | Ward-Riha #1HH | 7,000 | 12733587 |
| 670055Amendment | Sep 11, 2008 | Sep 11, 2008 | Sage Energy Company | Ward-Riha #1HH | 6,158 | 12733587 |
| 669568 | Sep 10, 2008 | Sep 10, 2008 | CML Exploration, LLC | La Rosita #1H | 7,300 | 12733586 |
| 669568Amendment | Sep 10, 2008 | Sep 10, 2008 | CML Exploration, LLC | La Rosita #1H | 7,300 | 12733586 |
| 669568Amendment | Sep 10, 2008 | Sep 10, 2008 | CML Exploration, LLC | La Rosita #1H | 7,300 | 12733586 |
| 669271 | Sep 6, 2008 | Sep 6, 2008 | CML Exploration, LLC | Strait #1H | 7,000 | 12733583 |
| 669184 | Sep 6, 2008 | Sep 6, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #1826 | 4,500 | 12733581 |
| 670167 | Sep 5, 2008 | Sep 5, 2008 | Express Oil Co. | Thalmann #2 | 3,500 | 12733585 |
| 669372 | Sep 5, 2008 | Sep 5, 2008 | Crimson Energy Partners, L.P. | Briscoe "B" #12 | 6,000 | 12733584 |
| 669190 | Sep 4, 2008 | Sep 4, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #1926 | 4,500 | 12733582 |
| 665421 | Sep 4, 2008 | Sep 4, 2008 | Txco Resources Inc. | Myers #1683D | 9,000 | 12733208 |
| 668286 | Aug 21, 2008 | Aug 21, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #2636 | 4,500 | 12733580 |
| 668283 | Aug 21, 2008 | Aug 21, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #2536 | 4,500 | 12733579 |
| 668204 | Aug 19, 2008 | Aug 19, 2008 | Swift Energy Operating, LLC | Briscoe #33 | 6,000 | 12733578 |
| 668203 | Aug 19, 2008 | Aug 19, 2008 | Swift Energy Operating, LLC | Briscoe #16 | 6,000 | 12733577 |
| 666941 | Aug 14, 2008 | Aug 14, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #525 | 4,500 | 12733576 |
| 667738 | Aug 13, 2008 | Aug 13, 2008 | Crimson Energy Partners, L.P. | Briscoe #49 | 8,000 | 12733574 |
| 667732 | Aug 13, 2008 | Aug 13, 2008 | Crimson Energy Partners, L.P. | Briscoe #50 | 8,000 | 12733573 |
| 668824 | Aug 12, 2008 | Aug 12, 2008 | Crimson Energy Partners, L.P. | Briscoe Stumberg #7 | 8,000 | 12733575 |
| 666385 | Aug 8, 2008 | Aug 8, 2008 | Presidio SWD, Inc. | Jung, Carmen #2 | 4,000 | 12733572 |
| 666882 | Aug 6, 2008 | Aug 6, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #1824 | 4,500 | 12733567 |
| 666878 | Aug 5, 2008 | Aug 5, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #1724 | 4,500 | 12733568 |
| 666842 | Aug 5, 2008 | Aug 5, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #428 | 4,500 | 12733570 |
| 666643 | Aug 2, 2008 | Aug 2, 2008 | CML Exploration, LLC | Harper #1H | 7,000 | 12733566 |
| 666643Amendment | Aug 2, 2008 | Aug 2, 2008 | CML Exploration, LLC | Harper #1H | 7,000 | 12733566 |
| 666526 | Aug 1, 2008 | Aug 1, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #2436 | 4,500 | 12733563 |
| 666548 | Jul 31, 2008 | Jul 31, 2008 | Txco Resources Inc. | San Pedro Ranch #1HH | 6,800 | 12733411 |
| 666524 | Jul 30, 2008 | Jul 30, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #2336 | 4,500 | 12733562 |
| 649298Amendment | Jul 30, 2008 | Jul 30, 2008 | Terra Ferma Operating LLC | Star Hamilton 'C' #1801HH | 5,000 | 12733494 |
| 667197 | Jul 28, 2008 | Jul 28, 2008 | Crimson Energy Partners, L.P. | Briscoe #48 | 8,000 | 12733561 |
| 666038 | Jul 24, 2008 | Jul 24, 2008 | CML Exploration, LLC | Circle 'T' #1H | 7,200 | 12733560 |
| 666038Amendment | Jul 24, 2008 | Jul 24, 2008 | CML Exploration, LLC | Circle 'T' #1H | 7,200 | 12733560 |
| 662937 | Jul 23, 2008 | Jul 23, 2008 | Express Oil Co. | Berry #1H | 5,999 | 12733553 |
| 666429 | Jul 14, 2008 | Jul 14, 2008 | Crimson Energy Partners, L.P. | Briscoe #47 | 6,000 | 12733559 |
| 664960 | Jul 14, 2008 | Jul 14, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #1836 | 4,500 | 12733558 |
| 664957 | Jul 14, 2008 | Jul 14, 2008 | Blackbrush O & G, Inc. | San Pedro Ranch #1736 | 4,500 | 12733557 |
| 664416 | Jul 10, 2008 | Jul 10, 2008 | Express Oil Co. | Kimble #1HH | 5,999 | 12733554 |
| 664248 | Jul 10, 2008 | Jul 10, 2008 | Txco Resources Inc. | South Pena Creek Unit #520 | 4,000 | 12733552 |