| 718725 | Aug 15, 2011 | Aug 15, 2011 | Exco Operating Company, LP | San Augustine | York SU #2HBH | 15,000 | 40530457 |
| 718725Amendment | Aug 15, 2011 | Aug 15, 2011 | Exco Operating Company, LP | San Augustine | York SU #2HBH | 15,000 | 40530457 |
| 721192 | Aug 3, 2011 | Aug 3, 2011 | Exco Operating Company, LP | San Augustine | Brown SU #1HH | 15,000 | 40530463 |
| 721192Amendment | Aug 3, 2011 | Aug 3, 2011 | Exco Operating Company, LP | San Augustine | Brown-Weeks SU (Alloc) #1HH | 15,000 | 40530463 |
| 720636 | Jul 29, 2011 | Jul 29, 2011 | Exco Operating Company, LP | San Augustine | Dennis SU #1HH | 15,000 | 40530462 |
| 720636Amendment | Jul 29, 2011 | Jul 29, 2011 | Exco Operating Company, LP | San Augustine | Dennis SU #1HH | 15,000 | 40530462 |
| 719484 | Jul 8, 2011 | Jul 8, 2011 | Exco Operating Company, LP | San Augustine | Stansbury SU #1HH | 15,000 | 40530460 |
| 719484Amendment | Jul 8, 2011 | Jul 8, 2011 | Exco Operating Company, LP | San Augustine | Stansbury SU #1HH | 15,000 | 40530460 |
| 719203 | Jun 30, 2011 | Jun 30, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU C #1HH | 15,000 | 34733259 |
| 719008 | Jun 29, 2011 | Jun 29, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU B #1HH | 15,000 | 34733258 |
| 719008Amendment | Jun 29, 2011 | Jun 29, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU B #1HH | 15,000 | 34733258 |
| 718371 | Jun 21, 2011 | Jun 21, 2011 | Exco Operating Company, LP | San Augustine | Red River 575 SU #1HBH | 15,000 | 40530455 |
| 717647 | Jun 13, 2011 | Jun 13, 2011 | Exco Operating Company, LP | Nacogdoches | Gomez SU C #1HH | 15,000 | 34733254 |
| 713777 | Jun 7, 2011 | Jun 7, 2011 | Exco Operating Company, LP | San Augustine | Watson SU #1HH | 15,000 | 40530438 |
| 714635 | Jun 6, 2011 | Jun 6, 2011 | Exco Operating Company, LP | San Augustine | Thomas SU #1 HH | 15,000 | 40530444 |
| 714635Amendment | Jun 6, 2011 | Jun 6, 2011 | Exco Operating Company, LP | San Augustine | Thomas SU #1 HH | 15,000 | 40530444 |
| 714635Amendment | Jun 6, 2011 | Jun 6, 2011 | Exco Operating Company, LP | San Augustine | Thomas SU #1 HH | 15,000 | 40530444 |
| 713658 | Jun 6, 2011 | Jun 6, 2011 | Exco Operating Company, LP | San Augustine | Fitzallen SU #1HH | 15,000 | 40530437 |
| 713658Amendment | Jun 6, 2011 | Jun 6, 2011 | Exco Operating Company, LP | San Augustine | Fitzallen SU #1HH | 15,000 | 40530437 |
| 716975 | May 24, 2011 | May 24, 2011 | Exco Operating Company, LP | Nacogdoches | Gomez SU A #2HBH | 15,000 | 34733248 |
| 716249 | May 19, 2011 | May 19, 2011 | Exco Operating Company, LP | San Augustine | Hopkins SU #1HH | 15,000 | 40530450 |
| 715713 | May 13, 2011 | May 13, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU H #1 HH | 16,000 | 34733244 |
| 715528 | May 11, 2011 | May 11, 2011 | Exco Operating Company, LP | San Augustine | Platt SU #1HH | 15,000 | 40530447 |
| 715528Amendment | May 11, 2011 | May 11, 2011 | Exco Operating Company, LP | San Augustine | Platt SU #1HH | 15,000 | 40530447 |
| 714190 | Apr 27, 2011 | Apr 27, 2011 | Exco Operating Company, LP | San Augustine | Fitzgerald SU #1HH | 15,000 | 40530443 |
| 714418 | Apr 21, 2011 | Apr 21, 2011 | Exco Operating Company, LP | San Augustine | Park SU #1 HH | 15,000 | 40530442 |
| 714274 | Apr 21, 2011 | Apr 21, 2011 | Exco Operating Company, LP | San Augustine | Silas SU #1HH | 15,000 | 40530441 |
| 714274Amendment | Apr 21, 2011 | Apr 21, 2011 | Exco Operating Company, LP | San Augustine | Silas SU #1HH | 15,000 | 40530441 |
| 712861 | Apr 5, 2011 | Apr 5, 2011 | Exco Operating Company, LP | San Augustine | Stedham SU #2 HH | 15,000 | 40530433 |
| 712283 | Mar 25, 2011 | Mar 25, 2011 | Exco Operating Company, LP | Nacogdoches | Gomez SU B #1HH | 15,500 | 34733231 |
| 712016 | Mar 21, 2011 | Mar 21, 2011 | Exco Operating Company, LP | San Augustine | York SU #1 HH | 15,000 | 40530427 |
| 711005 | Mar 4, 2011 | Mar 4, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU G #1HH | 15,000 | 34733226 |
| 707356 | Feb 24, 2011 | Feb 24, 2011 | Exco Operating Company, LP | San Augustine | Ward SU #1HH | 15,000 | 40530404 |
| 710258 | Feb 23, 2011 | Feb 23, 2011 | Exco Operating Company, LP | San Augustine | Weeks SU #1HH | 15,000 | 40530421 |
| 710258Amendment | Feb 23, 2011 | Feb 23, 2011 | Exco Operating Company, LP | San Augustine | Weeks SU #1HH | 15,000 | 40530421 |
| 709810 | Feb 18, 2011 | Feb 18, 2011 | Exco Operating Company, LP | Gregg | Griffin Ranch Oil Unit 6 #11 | 7,893 | 18332002 |
| 709356 | Feb 9, 2011 | Feb 9, 2011 | Exco Operating Company, LP | San Augustine | Holloway SU #2HH | 15,000 | 40530413 |
| 707362 | Jan 28, 2011 | Jan 28, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU E #1HH | 16,000 | 34733209 |
| 707342 | Jan 28, 2011 | Jan 28, 2011 | Exco Operating Company, LP | San Augustine | Greer SU #1HH | 15,000 | 40530403 |
| 705319 | Jan 24, 2011 | Jan 24, 2011 | Exco Operating Company, LP | San Augustine | Phillips SU #1HH | 15,000 | 40530396 |
| 708118 | Jan 18, 2011 | Jan 18, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU F #1HH | 15,000 | 34733215 |
| 708112 | Jan 18, 2011 | Jan 18, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU D #1HH | 15,000 | 34733214 |
| 708112Amendment | Jan 18, 2011 | Jan 18, 2011 | Exco Operating Company, LP | Nacogdoches | Walker SU D #1HH | 15,000 | 34733214 |
| 708022 | Jan 7, 2011 | Jan 7, 2011 | Exco Operating Company, LP | San Augustine | Davis SU #1HH | 15,000 | 40530406 |
| 708022Amendment | Jan 7, 2011 | Jan 7, 2011 | Exco Operating Company, LP | San Augustine | Davis SU #1HH | 15,000 | 40530406 |
| 707195 | Dec 23, 2010 | Dec 23, 2010 | Exco Operating Company, LP | San Augustine | Red River 257 B #2HH | 15,000 | 40530402 |
| 705164 | Dec 15, 2010 | Dec 15, 2010 | Exco Operating Company, LP | Shelby | Turpin SU #1HH | 15,000 | 41931640 |
| 705559 | Nov 24, 2010 | Nov 24, 2010 | Exco Operating Company, LP | Nacogdoches | Gomez SU A #1HH | 15,000 | 34733200 |
| 705031 | Nov 23, 2010 | Nov 23, 2010 | Exco Operating Company, LP | San Augustine | Red River 164-Dillard (Alloc) #1HH | 14,500 | 40530392 |
| 704645 | Nov 9, 2010 | Nov 9, 2010 | Exco Operating Company, LP | San Augustine | Patterson SU #1HH | 15,000 | 40530391 |
| 704645Amendment | Nov 9, 2010 | Nov 9, 2010 | Exco Operating Company, LP | San Augustine | Patterson SU #1HH | 15,000 | 40530391 |
| 703440 | Oct 15, 2010 | Oct 15, 2010 | Exco Operating Company, LP | San Augustine | Dillard SU #1HH | 15,500 | 40530389 |
| 703416 | Oct 15, 2010 | Oct 15, 2010 | Exco Operating Company, LP | Harrison | Rudd #1 | 6,515 | 20331502 |
| 701006 | Oct 14, 2010 | Oct 14, 2010 | Exco Operating Company, LP | San Augustine | Ironosa SU #1HH | 15,000 | 40530375 |
| 702221 | Sep 21, 2010 | Sep 21, 2010 | Exco Operating Company, LP | Nacogdoches | Walker SU A #1 HH | 18,235 | 34733185 |
| 701981 | Sep 15, 2010 | Sep 15, 2010 | Exco Operating Company, LP | Shelby | Rebels SU #1 HH | 15,000 | 41931626 |
| 701736 | Sep 10, 2010 | Sep 10, 2010 | Exco Operating Company, LP | Harrison | Jonesville #2 | 6,500 | 20330935 |
| 701596 | Sep 9, 2010 | Sep 9, 2010 | Exco Operating Company, LP | San Augustine | Smith SU #1 HH | 15,000 | 40530382 |
| 700663 | Aug 20, 2010 | Aug 20, 2010 | Exco Operating Company, LP | San Augustine | Wood SU #1 HH | 15,000 | 40530373 |
| 700663Amendment | Aug 20, 2010 | Aug 20, 2010 | Exco Operating Company, LP | San Augustine | Wood SU #1 HH | 15,000 | 40530373 |
| 700657 | Aug 20, 2010 | Aug 20, 2010 | Exco Operating Company, LP | San Augustine | Holloway SU #1 HH | 15,000 | 40530372 |
| 700657Amendment | Aug 20, 2010 | Aug 20, 2010 | Exco Operating Company, LP | San Augustine | Holloway SU #1 HH | 15,000 | 40530372 |
| 700652 | Aug 20, 2010 | Aug 20, 2010 | Exco Operating Company, LP | San Augustine | Stedham SU #1 HH | 15,000 | 40530371 |
| 699605 | Aug 2, 2010 | Aug 2, 2010 | Exco Operating Company, LP | Nacogdoches | Cameron Minerals SU #1 HH | 13,500 | 34733179 |
| 699605Amendment | Aug 2, 2010 | Aug 2, 2010 | Exco Operating Company, LP | Nacogdoches | Cameron Minerals SU #1 HH | 15,000 | 34733179 |
| 698095 | Jun 29, 2010 | Jun 29, 2010 | Exco Operating Company, LP | San Augustine | Red River 442 #1 HH | 14,000 | 40530358 |
| 698095Amendment | Jun 29, 2010 | Jun 29, 2010 | Exco Operating Company, LP | San Augustine | Red River 442 #1 HH | 14,000 | 40530358 |
| 697306 | Jun 14, 2010 | Jun 14, 2010 | Exco Operating Company, LP | San Augustine | Adj Minerals 153 Shale Unit #1 HH | 15,000 | 40530355 |
| 696820 | Jun 2, 2010 | Jun 2, 2010 | Exco Operating Company, LP | San Augustine | Haley Shale Unit #1 HH | 13,000 | 40530352 |
| 696424 | May 26, 2010 | May 26, 2010 | Exco Operating Company, LP | Panola | MHS-Wells #1 | 7,000 | 36534664 |
| 696218 | May 24, 2010 | May 24, 2010 | Exco Operating Company, LP | San Augustine | Red River 365-2 #2 HH | 15,000 | 40530349 |
| 696218Amendment | May 24, 2010 | May 24, 2010 | Exco Operating Company, LP | San Augustine | Red River 365-2 #2 HH | 15,000 | 40530349 |
| 691882 | May 24, 2010 | May 24, 2010 | Exco Operating Company, LP | Gregg | Patsy Johnston Gas Unit #2 HH | 13,000 | 18332114 |
| 693092Amendment | Mar 19, 2010 | Mar 19, 2010 | Exco Operating Company, LP | San Augustine | Red River 620 B #1 HH | 15,000 | 40530336 |
| 692927Amendment | Mar 17, 2010 | Mar 17, 2010 | Exco Operating Company, LP | Nacogdoches | Red River 589 #1H | 15,000 | 34733151 |
| 691943 | Mar 15, 2010 | Mar 15, 2010 | Exco Operating Company, LP | Harrison | Frost-Bryson GU #1HH | 13,000 | 20334947 |
| 691186 | Feb 22, 2010 | Feb 22, 2010 | Exco Operating Company, LP | Harrison | North Jonesville "A" #17 | 11,700 | 20334300 |
| 690874 | Feb 12, 2010 | Feb 12, 2010 | Exco Operating Company, LP | Gregg | Griffin Ranch G.U. 4 #4 | 13,000 | 18331945 |
| 690667 | Feb 12, 2010 | Feb 12, 2010 | Exco Operating Company, LP | Panola | Tillard-Hillard Shale Unit #1HH | 13,500 | 36537604 |
| 690613Amendment | Feb 4, 2010 | Feb 4, 2010 | Exco Operating Company, LP | San Augustine | Red River 35 #1H | 15,000 | 40530319 |
| 690403Amendment | Jan 28, 2010 | Jan 28, 2010 | Exco Operating Company, LP | Shelby | Morrison #1HH | 15,000 | 41931544 |
| 689211 | Jan 7, 2010 | Jan 7, 2010 | Exco Operating Company, LP | Harrison | Jobe Shale Unit #1 HH | 12,000 | 20334917 |
| 689211Amendment | Jan 7, 2010 | Jan 7, 2010 | Exco Operating Company, LP | Harrison | Jobe Shale Unit #1 HH | 12,000 | 20334917 |
| 689211Amendment | Jan 7, 2010 | Jan 7, 2010 | Exco Operating Company, LP | Harrison | Jobe Shale Unit #1 HH | 12,000 | 20334917 |
| 688583Amendment | Dec 17, 2009 | Dec 17, 2009 | Exco Operating Company, LP | San Augustine | Owens #1H | 15,000 | 40530310 |
| 686711 | Nov 3, 2009 | Nov 3, 2009 | Exco Operating Company, LP | Harrison | Walling Gas Unit #1 HH | 14,000 | 20334891 |
| 686711Amendment | Nov 3, 2009 | Nov 3, 2009 | Exco Operating Company, LP | Harrison | Walling Gas Unit #1 HH | 14,000 | 20334891 |
| 685677 | Oct 7, 2009 | Oct 7, 2009 | Exco Operating Company, LP | Gregg | Wilson Dickson Oil Unit 1 #3 | 7,746 | 18331081 |
| 682685 | Jul 10, 2009 | Jul 10, 2009 | Exco Operating Company, LP | Gregg | Griffin Ranch Gas Unit 6 #12 | 13,000 | 18332102 |
| 682474 | Jul 10, 2009 | Jul 10, 2009 | Exco Operating Company, LP | Gregg | Griffin Ranch G.U. 1 #13 | 13,000 | 18332078 |
| 678778 | Mar 31, 2009 | Mar 31, 2009 | Exco Operating Company, LP | Gregg | Fonville, F.M. #5 | 8,500 | 18331743 |
| 676755 | Jan 2, 2009 | Jan 2, 2009 | Exco Operating Company, LP | Gregg | Griffin Ranch Gas Unit No. 7 #10 | 13,000 | 18332093 |
| 676533 | Dec 29, 2008 | Dec 29, 2008 | Exco Operating Company, LP | Gregg | Starr Dickson Gas Unit No. 1 #14 | 13,000 | 18332089 |
| 676626 | Dec 23, 2008 | Dec 23, 2008 | Exco Operating Company, LP | Gregg | Starr Dickson Gas Unit No. 1 #15 | 13,000 | 18332088 |
| 675537 | Dec 1, 2008 | Dec 1, 2008 | Exco Operating Company, LP | Gregg | Griffin Ranch G.U. 4 #9 | 11,500 | 18332085 |
| 674992 | Nov 20, 2008 | Nov 20, 2008 | Exco Operating Company, LP | Gregg | Starr Dickson GU 1 #16 | 11,500 | 18332084 |
| 674998 | Nov 19, 2008 | Nov 19, 2008 | Exco Operating Company, LP | Gregg | Starr Dickson G.U. 1 #17 | 11,500 | 18332083 |
| 673874 | Oct 29, 2008 | Oct 29, 2008 | Exco Operating Company, LP | Gregg | Griffin Ranch G.U. 1 #13 | 13,000 | 18332078 |
| 672594 | Oct 11, 2008 | Oct 11, 2008 | Exco Operating Company, LP | Gregg | Johnston, Patsy #1 | 13,000 | 18332069 |
| 667635 | Sep 5, 2008 | Sep 5, 2008 | Exco Operating Company, LP | Gregg | Griffin Ranch G.U. 2 #21 | 11,000 | 18332061 |