| 700788 | Aug 18, 2010 | Aug 18, 2010 | Edge Petroleum Oper. Co., Inc. | San Patricio | Welder Ranch #19 | 6,500 | 40932471 |
| 700188 | Aug 5, 2010 | Aug 5, 2010 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #72 | 15,000 | 42734524 |
| 695945 | Aug 3, 2010 | Aug 3, 2010 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #11 | 13,000 | 35533740 |
| 698844 | Jul 13, 2010 | Jul 13, 2010 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #22 | 6,200 | 42733624 |
| 696451 | May 25, 2010 | May 25, 2010 | Edge Petroleum Oper. Co., Inc. | Liberty | Hutchinson-Davis Gas Unit #1 | 13,500 | 29132816 |
| 693903 | Apr 7, 2010 | Apr 7, 2010 | Edge Petroleum Oper. Co., Inc. | Liberty | Barrett #1 | 10,000 | 29132608 |
| 693933 | Apr 6, 2010 | Apr 6, 2010 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch C #19R | 15,000 | 35533985 |
| 673281 | Oct 21, 2008 | Oct 21, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samuel D. Bloomberg #84 | 11,000 | 42734397 |
| 673277 | Oct 21, 2008 | Oct 21, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samuel D. Bloomberg #66 | 11,000 | 42734396 |
| 672082 | Oct 8, 2008 | Oct 8, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samuel D. Bloomberg #82 | 11,000 | 42734385 |
| 669997 | Sep 18, 2008 | Sep 18, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samuel D. Bloomberg #65 | 12,500 | 42734374 |
| 670085 | Sep 16, 2008 | Sep 16, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samuel D. Bloomberg #76 | 11,000 | 42734375 |
| 669708 | Sep 12, 2008 | Sep 12, 2008 | Edge Petroleum Oper. Co., Inc. | Hidalgo | Guerra #28 | 13,500 | 21533873 |
| 669708Amendment | Sep 12, 2008 | Sep 12, 2008 | Edge Petroleum Oper. Co., Inc. | Hidalgo | Guerra #28 | 13,500 | 21533873 |
| 668451 | Aug 13, 2008 | Aug 13, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samuel D. Bloomberg #68 | 12,500 | 42734355 |
| 663052 | Jun 16, 2008 | Jun 16, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State B #20 | 12,000 | 42734320 |
| 663051 | Jun 16, 2008 | Jun 16, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State B #19 | 12,000 | 42734319 |
| 662752 | Jun 11, 2008 | Jun 11, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samano East Gas Unit #1 | 12,000 | 42734317 |
| 661100 | May 23, 2008 | May 23, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State B #5 | 12,000 | 42734303 |
| 658475 | Apr 12, 2008 | Apr 12, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State B #18 | 12,000 | 42734287 |
| 658467 | Apr 12, 2008 | Apr 12, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State B #14 | 12,000 | 42734286 |
| 658464 | Apr 12, 2008 | Apr 12, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State B #17 | 12,000 | 42734285 |
| 652089 | Mar 4, 2008 | Mar 4, 2008 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #22 | 13,650 | 35533884 |
| 655254 | Feb 22, 2008 | Feb 22, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State #4 | 12,000 | 42734256 |
| 654156 | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samuel D. Bloomberg #73 | 12,000 | 42734243 |
| 654155 | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State "B" #15 | 12,000 | 42734242 |
| 654133 | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #71 | 12,000 | 42734241 |
| 654133Amendment | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #71 | 12,000 | 42734241 |
| 654131 | Feb 7, 2008 | Feb 7, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Samuel D. Bloomberg #67 | 12,000 | 42734240 |
| 652873 | Jan 17, 2008 | Jan 17, 2008 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #63 | 12,000 | 42734231 |
| 652109 | Jan 9, 2008 | Jan 9, 2008 | Edge Petroleum Oper. Co., Inc. | Brooks | Lopez #26 | 10,000 | 04732325 |
| 652109Amendment | Jan 9, 2008 | Jan 9, 2008 | Edge Petroleum Oper. Co., Inc. | Brooks | Lopez #26 | 10,000 | 04732325 |
| 650584 | Dec 19, 2007 | Dec 19, 2007 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #20 | 13,650 | 35533880 |
| 644513Amendment | Nov 30, 2007 | Nov 30, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #57 | 12,000 | 42734166 |
| 644512Amendment | Nov 29, 2007 | Nov 29, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #56 | 12,000 | 42734165 |
| 648957 | Nov 9, 2007 | Nov 9, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #61 | 12,000 | 42734184 |
| 646334 | Sep 27, 2007 | Sep 27, 2007 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch "C" #19 | 15,000 | 35533866 |
| 646283 | Sep 21, 2007 | Sep 21, 2007 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #17 | 13,500 | 35533865 |
| 645125 | Aug 30, 2007 | Aug 30, 2007 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #18 | 13,500 | 35533864 |
| 644515 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #58 | 12,000 | 42734167 |
| 644513 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #57 | 12,000 | 42734166 |
| 644512 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #56 | 12,000 | 42734165 |
| 644511 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #55 | 12,000 | 42734164 |
| 644510 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #54 | 12,000 | 42734163 |
| 644509 | Aug 17, 2007 | Aug 17, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #53 | 12,000 | 42734162 |
| 643779 | Aug 10, 2007 | Aug 10, 2007 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #21 | 14,000 | 35533863 |
| 641870 | Jul 24, 2007 | Jul 24, 2007 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #15 | 13,000 | 35533855 |
| 641491 | Jul 9, 2007 | Jul 9, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Kent Deep #1 | 12,000 | 42734147 |
| 641036 | Jul 3, 2007 | Jul 3, 2007 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell Ranch #23 | 11,200 | 47939870 |
| 641036Amendment | Jul 3, 2007 | Jul 3, 2007 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell Ranch #23 | 11,200 | 47939870 |
| 641036Amendment | Jul 3, 2007 | Jul 3, 2007 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell Ranch #23 | 11,700 | 47939870 |
| 641098 | Jul 2, 2007 | Jul 2, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State "B" #10 | 12,000 | 42734142 |
| 641097 | Jul 2, 2007 | Jul 2, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State "B" #11 | 12,000 | 42734141 |
| 641094 | Jul 2, 2007 | Jul 2, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State "B" #13 | 12,000 | 42734140 |
| 641093 | Jul 2, 2007 | Jul 2, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Slick State "B" #12 | 12,000 | 42734139 |
| 641027 | Jun 29, 2007 | Jun 29, 2007 | Edge Petroleum Oper. Co., Inc. | Duval | Miller #9 | 11,500 | 13138991 |
| 640925 | Jun 28, 2007 | Jun 28, 2007 | Edge Petroleum Oper. Co., Inc. | Liberty | Taub #2 | 13,180 | 29132719 |
| 640677 | Jun 22, 2007 | Jun 22, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #60 | 12,000 | 42734137 |
| 640676 | Jun 22, 2007 | Jun 22, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #52 | 12,000 | 42734138 |
| 640675 | Jun 22, 2007 | Jun 22, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #62 | 12,000 | 42734136 |
| 640027 | Jun 11, 2007 | Jun 11, 2007 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #23 | 13,200 | 35533851 |
| 640027Amendment | Jun 11, 2007 | Jun 11, 2007 | Edge Petroleum Oper. Co., Inc. | Nueces | Chapman Ranch #23 | 13,500 | 35533851 |
| 639974 | Jun 11, 2007 | Jun 11, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Kent A #1 | 12,000 | 42734132 |
| 639615 | May 30, 2007 | May 30, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #50 | 12,000 | 42734124 |
| 639332 | May 22, 2007 | May 22, 2007 | Edge Petroleum Oper. Co., Inc. | Liberty | Barrett #2 | 12,850 | 29132712 |
| 637806 | May 2, 2007 | May 2, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #51 | 11,500 | 42734116 |
| 637806Amendment | May 2, 2007 | May 2, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Bloomberg, Samuel D. #51 | 11,500 | 42734116 |
| 636648 | Apr 10, 2007 | Apr 10, 2007 | Edge Petroleum Oper. Co., Inc. | Hidalgo | Guerra, A. E. #27 | 9,500 | 21533629 |
| 636648Amendment | Apr 10, 2007 | Apr 10, 2007 | Edge Petroleum Oper. Co., Inc. | Hidalgo | Guerra, A. E. #27ST | 9,500 | 21533629 |
| 636488 | Apr 10, 2007 | Apr 10, 2007 | Edge Petroleum Oper. Co., Inc. | Starr | Kent #2 | 9,500 | 42734110 |
| 615389 | Mar 8, 2006 | Mar 8, 2006 | Edge Petroleum Oper. Co., Inc. | Zapata | Tomasa #1 | 9,740 | 50533260 |
| 607526 | Oct 7, 2005 | Oct 7, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Despain 42 #2 | 11,600 | 47939291 |
| 607526Amendment | Oct 7, 2005 | Oct 7, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Despain 42 #2 | 11,600 | 47939291 |
| 605693 | Aug 31, 2005 | Aug 31, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | De Spain 42 #1 | 10,900 | 47939259 |
| 605693Amendment | Aug 31, 2005 | Aug 31, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | De Spain 42 #1 | 11,600 | 47939259 |
| 605341 | Aug 23, 2005 | Aug 23, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Frost 45 #5 | 10,900 | 47939253 |
| 605341Amendment | Aug 23, 2005 | Aug 23, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Frost 45 #5 | 10,900 | 47939253 |
| 605340 | Aug 23, 2005 | Aug 23, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Frost 45 #4 | 10,900 | 47939252 |
| 604946 | Aug 15, 2005 | Aug 15, 2005 | Edge Petroleum Oper. Co., Inc. | Goliad | Hanley-Hicks #1A | 4,100 | 17533511 |
| 604167 | Aug 1, 2005 | Aug 1, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Frost 45 #6 | 10,700 | 47939232 |
| 604164 | Aug 1, 2005 | Aug 1, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell Ranch #22 | 11,000 | 47939231 |
| 559407 | Mar 23, 2005 | Mar 23, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Frost 45 #3 | 10,500 | 47939069 |
| 558143 | Feb 24, 2005 | Feb 24, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Frost 39 #2 | 11,700 | 47939035 |
| 556859 | Jan 27, 2005 | Jan 27, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell Ranch #21 | 11,000 | 47938996 |
| 556627 | Jan 24, 2005 | Jan 24, 2005 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 40 #4 | 12,000 | 47935512 |
| 554475 | Dec 7, 2004 | Dec 7, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Frost 39 #1 | 11,700 | 47938932 |
| 554475Amendment | Dec 7, 2004 | Dec 7, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Frost 39 #1 | 11,700 | 47938932 |
| 552699 | Oct 26, 2004 | Oct 26, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 40 #9 | 11,500 | 47938897 |
| 552699Amendment | Oct 22, 2004 | Oct 22, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 40 #9 | 11,500 | 47938897 |
| 552649 | Oct 21, 2004 | Oct 21, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 44 #5 | 10,700 | 47938890 |
| 551147 | Sep 17, 2004 | Sep 17, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 40 #6 | 11,700 | 47938859 |
| 551146 | Sep 17, 2004 | Sep 17, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 40 #8 | 10,900 | 47938860 |
| 551146Amendment | Sep 17, 2004 | Sep 17, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 40 #8 | 11,500 | 47938860 |
| 550892 | Sep 13, 2004 | Sep 13, 2004 | Edge Petroleum Oper. Co., Inc. | Goliad | Kickendahl #1 | 6,200 | 17533656 |
| 550892Amendment | Sep 13, 2004 | Sep 13, 2004 | Edge Petroleum Oper. Co., Inc. | Goliad | Kickendahl #1 | 6,500 | 17533656 |
| 550487 | Sep 3, 2004 | Sep 3, 2004 | Edge Petroleum Oper. Co., Inc. | Zapata | Asche #1 | 10,600 | 50535087 |
| 549943 | Aug 23, 2004 | Aug 23, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 40 #7 | 11,500 | 47938831 |
| 549808 | Aug 19, 2004 | Aug 19, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell 44 #4 | 10,700 | 47938824 |
| 549202 | Aug 5, 2004 | Aug 5, 2004 | Edge Petroleum Oper. Co., Inc. | Webb | Lundell #4005 | 11,700 | 47938817 |
| 549201 | Aug 5, 2004 | Aug 5, 2004 | Edge Petroleum Oper. Co., Inc. | Duval | Cantu #1 | 9,500 | 13138729 |