| 753954 | Jan 8, 2013 | Jan 8, 2013 | Enervest Operating, L.L.C. | Harrison | Ruppe, James a Etal #3 | 9,100 | 20335153 |
| 753952 | Jan 4, 2013 | Jan 4, 2013 | Enervest Operating, L.L.C. | Denton | M. T. Cole #306HH | 9,000 | 12134347 |
| 753952Amendment | Jan 4, 2013 | Jan 4, 2013 | Enervest Operating, L.L.C. | Denton | M. T. Cole #314HH | 9,000 | 12134347 |
| 753505 | Dec 27, 2012 | Dec 27, 2012 | Enervest Operating, L.L.C. | Brazos | Wilson-Payne #1HH | 9,500 | 04132105 |
| 753456 | Dec 27, 2012 | Dec 27, 2012 | Enervest Operating, L.L.C. | Wise | Sandford Gas Unit #2HH | 9,000 | 49737619 |
| 752666 | Dec 18, 2012 | Dec 18, 2012 | Enervest Operating, L.L.C. | Martin | Mabee B #13 | 15,000 | 31738316 |
| 750092 | Dec 18, 2012 | Dec 18, 2012 | Enervest Operating, L.L.C. | Martin | Mabee C #25 | 14,000 | 31738215 |
| 750092Amendment | Dec 18, 2012 | Dec 18, 2012 | Enervest Operating, L.L.C. | Martin | Mabee C #25 | 14,000 | 31738215 |
| 753113 | Dec 17, 2012 | Dec 17, 2012 | Enervest Operating, L.L.C. | Parker | McFarland #E 13H | 9,000 | 36735353 |
| 753106 | Dec 17, 2012 | Dec 17, 2012 | Enervest Operating, L.L.C. | Parker | McFarland #E 12H | 9,000 | 36735351 |
| 753100 | Dec 17, 2012 | Dec 17, 2012 | Enervest Operating, L.L.C. | Parker | McFarland #E 11H | 9,000 | 36735350 |
| 752456 | Dec 14, 2012 | Dec 14, 2012 | Enervest Operating, L.L.C. | Wise | Carter Gas Unit #2HH | 9,000 | 49737607 |
| 752829 | Dec 13, 2012 | Dec 13, 2012 | Enervest Operating, L.L.C. | Montague | Brezina Unit #1HH | 9,000 | 33735009 |
| 752829Amendment | Dec 13, 2012 | Dec 13, 2012 | Enervest Operating, L.L.C. | Montague | Brezina Unit #1HH | 9,000 | 33735009 |
| 752779 | Dec 12, 2012 | Dec 12, 2012 | Enervest Operating, L.L.C. | Montague | Porter Unit #1HH | 9,000 | 33735008 |
| 752460 | Dec 7, 2012 | Dec 7, 2012 | Enervest Operating, L.L.C. | Wise | Carter-Wilson Co-OP Unit #2HH | 9,000 | 49737609 |
| 752460Amendment | Dec 7, 2012 | Dec 7, 2012 | Enervest Operating, L.L.C. | Wise | Carter Gas Unit #3HH | 9,000 | 49737609 |
| 751908 | Nov 30, 2012 | Nov 30, 2012 | Enervest Operating, L.L.C. | Wise | Collins Unit #1HH | 9,000 | 49737603 |
| 752055 | Nov 29, 2012 | Nov 29, 2012 | Enervest Operating, L.L.C. | Martin | Mabee C #5 | 5,400 | 31734601 |
| 751011 | Nov 15, 2012 | Nov 15, 2012 | Enervest Operating, L.L.C. | Montague | Caswell Unit #1HH | 9,000 | 33734995 |
| 751011Amendment | Nov 15, 2012 | Nov 15, 2012 | Enervest Operating, L.L.C. | Montague | Caswell Unit #1HH | 9,000 | 33734995 |
| 751011Amendment | Nov 15, 2012 | Nov 15, 2012 | Enervest Operating, L.L.C. | Montague | Caswell Unit #1HH | 9,000 | 33734995 |
| 751251 | Nov 13, 2012 | Nov 13, 2012 | Enervest Operating, L.L.C. | Wise | Crystelle Waggoner #8HH | 9,000 | 49737597 |
| 751264 | Nov 12, 2012 | Nov 12, 2012 | Enervest Operating, L.L.C. | Wise | Crystelle Waggoner #9HH | 9,000 | 49737594 |
| 751244 | Nov 12, 2012 | Nov 12, 2012 | Enervest Operating, L.L.C. | Wise | Crystelle Waggoner #7HH | 9,000 | 49737596 |
| 751200 | Nov 12, 2012 | Nov 12, 2012 | Enervest Operating, L.L.C. | Wise | Crystelle Waggoner #6HH | 9,000 | 49737593 |
| 751176 | Nov 12, 2012 | Nov 12, 2012 | Enervest Operating, L.L.C. | Wise | Crystelle Waggoner #5HH | 9,000 | 49737592 |
| 750986 | Nov 7, 2012 | Nov 7, 2012 | Enervest Operating, L.L.C. | Parker | McFarland #G 3H | 9,000 | 36735344 |
| 750986Amendment | Nov 7, 2012 | Nov 7, 2012 | Enervest Operating, L.L.C. | Parker | McFarland #G 3H | 9,000 | 36735344 |
| 750986Amendment | Nov 7, 2012 | Nov 7, 2012 | Enervest Operating, L.L.C. | Parker | McFarland #G 3H | 9,000 | 36735344 |
| 750978 | Nov 7, 2012 | Nov 7, 2012 | Enervest Operating, L.L.C. | Parker | McFarland #G 4H | 9,000 | 36735343 |
| 750978Amendment | Nov 7, 2012 | Nov 7, 2012 | Enervest Operating, L.L.C. | Parker | McFarland #G 4H | 9,000 | 36735343 |
| 750965 | Nov 7, 2012 | Nov 7, 2012 | Enervest Operating, L.L.C. | Martin | Mabee G #1 | 5,400 | 31734708 |
| 750094 | Nov 2, 2012 | Nov 2, 2012 | Enervest Operating, L.L.C. | Martin | Mabee C #23 | 14,000 | 31738241 |
| 750094Amendment | Nov 2, 2012 | Nov 2, 2012 | Enervest Operating, L.L.C. | Martin | Mabee C #23 | 14,000 | 31738241 |
| 750103 | Oct 24, 2012 | Oct 24, 2012 | Enervest Operating, L.L.C. | Martin | Mabee J #5 | 14,000 | 31738213 |
| 750103Amendment | Oct 24, 2012 | Oct 24, 2012 | Enervest Operating, L.L.C. | Martin | Mabee J #5 | 14,000 | 31738213 |
| 749751 | Oct 18, 2012 | Oct 18, 2012 | Enervest Operating, L.L.C. | Madison | Barrett-Marks #1HH | 9,200 | 31330957 |
| 749751Amendment | Oct 18, 2012 | Oct 18, 2012 | Enervest Operating, L.L.C. | Madison | Barrett-Marks #1HH | 9,200 | 31330957 |
| 749597 | Oct 17, 2012 | Oct 17, 2012 | Enervest Operating, L.L.C. | Montague | Wynn Unit #1HH | 9,000 | 33734971 |
| 749597Amendment | Oct 17, 2012 | Oct 17, 2012 | Enervest Operating, L.L.C. | Montague | Wynn Unit #1HH | 9,000 | 33734971 |
| 749500 | Oct 15, 2012 | Oct 15, 2012 | Enervest Operating, L.L.C. | Tarrant | Rocky Creek Ranch #15HH | 9,000 | 43936700 |
| 749402 | Oct 15, 2012 | Oct 15, 2012 | Enervest Operating, L.L.C. | Tarrant | Rocky Creek Ranch #20HH | 9,000 | 43936698 |
| 749402Amendment | Oct 15, 2012 | Oct 15, 2012 | Enervest Operating, L.L.C. | Tarrant | Rocky Creek Ranch Unit a (SA) #20HH | 9,000 | 43936698 |
| 749463 | Oct 12, 2012 | Oct 12, 2012 | Enervest Operating, L.L.C. | Tarrant | Rocky Creek Ranch #16HH | 9,000 | 43936699 |
| 749234 | Oct 9, 2012 | Oct 9, 2012 | Enervest Operating, L.L.C. | Smith | South Tyler Paluxy Unit #6 | 7,850 | 42332325 |
| 748898 | Oct 4, 2012 | Oct 4, 2012 | Enervest Operating, L.L.C. | Wise | Cocanougher 287 #11HH | 9,000 | 49737561 |
| 748842 | Oct 4, 2012 | Oct 4, 2012 | Enervest Operating, L.L.C. | Wise | Cocanougher 287 #10HH | 9,000 | 49737557 |
| 748739 | Oct 2, 2012 | Oct 2, 2012 | Enervest Operating, L.L.C. | Wise | Cocanougher 287 #7HH | 9,000 | 49737554 |
| 748103 | Oct 1, 2012 | Oct 1, 2012 | Enervest Operating, L.L.C. | Fayette | Bowen Ranch Co-OP Unit #1H | 11,750 | 14933270 |
| 748237 | Sep 24, 2012 | Sep 24, 2012 | Enervest Operating, L.L.C. | Parker | Winston #E 18H | 9,000 | 36735323 |
| 747416 | Sep 11, 2012 | Sep 11, 2012 | Enervest Operating, L.L.C. | Wise | Nivens Unit #1HH | 9,000 | 49737540 |
| 747416Amendment | Sep 11, 2012 | Sep 11, 2012 | Enervest Operating, L.L.C. | Wise | Nivens Unit #1HH | 9,000 | 49737540 |
| 747416Amendment | Sep 11, 2012 | Sep 11, 2012 | Enervest Operating, L.L.C. | Wise | Nivens Unit #1HH | 9,000 | 49737540 |
| 745693 | Sep 11, 2012 | Sep 11, 2012 | Enervest Operating, L.L.C. | Burleson | Emmanuel #1HH | 9,000 | 05133710 |
| 747222 | Sep 5, 2012 | Sep 5, 2012 | Enervest Operating, L.L.C. | Tarrant | Chpl CR W Unit-Chpl CR Unit (SA) #6HH | 9,000 | 43936682 |
| 747210 | Sep 5, 2012 | Sep 5, 2012 | Enervest Operating, L.L.C. | Tarrant | Chpl CR W Unit-Chpl CR Unit (SA) #2HH | 9,000 | 43936683 |
| 746734Amendment | Aug 28, 2012 | Aug 28, 2012 | Enervest Operating, L.L.C. | Martin | University 7-27B #8 | 12,000 | 31738094 |
| 746057 | Aug 15, 2012 | Aug 15, 2012 | Enervest Operating, L.L.C. | Brazos | Lott-Wilson #1HH | 9,000 | 04132091 |
| 746022 | Aug 14, 2012 | Aug 14, 2012 | Enervest Operating, L.L.C. | Parker | Dean #C 9H | 9,000 | 36735314 |
| 746015 | Aug 14, 2012 | Aug 14, 2012 | Enervest Operating, L.L.C. | Parker | Dean #C 8H | 9,000 | 36735313 |
| 746014 | Aug 14, 2012 | Aug 14, 2012 | Enervest Operating, L.L.C. | Parker | Dean #C 6H | 9,000 | 36735312 |
| 745206Amendment | Aug 14, 2012 | Aug 14, 2012 | Enervest Operating, L.L.C. | Andrews | University 8-9 #4 | 13,000 | 00344616 |
| 745736Amendment | Aug 13, 2012 | Aug 13, 2012 | Enervest Operating, L.L.C. | Martin | University 7-26B #10 | 12,000 | 31738047 |
| 744696 | Aug 11, 2012 | Aug 11, 2012 | Enervest Operating, L.L.C. | Panola | Shaw Heirs #1 | 7,266 | 36534159 |
| 744696Amendment | Aug 11, 2012 | Aug 11, 2012 | Enervest Operating, L.L.C. | Panola | Shaw Heirs #1 | 7,266 | 36534159 |
| 744696Amendment | Aug 11, 2012 | Aug 11, 2012 | Enervest Operating, L.L.C. | Panola | Shaw Heirs #1 | 7,266 | 36534159 |
| 744696Amendment | Aug 11, 2012 | Aug 11, 2012 | Enervest Operating, L.L.C. | Panola | Shaw Heirs #1 | 7,266 | 36534159 |
| 744696Amendment | Aug 11, 2012 | Aug 11, 2012 | Enervest Operating, L.L.C. | Panola | Shaw Heirs #1 | 7,266 | 36534159 |
| 745521 | Aug 8, 2012 | Aug 8, 2012 | Enervest Operating, L.L.C. | Madison | Barrett, Ellwood #3HH | 9,000 | 31330941 |
| 745521Amendment | Aug 8, 2012 | Aug 8, 2012 | Enervest Operating, L.L.C. | Madison | Barrett, Ellwood #3HH | 9,000 | 31330941 |
| 745463 | Aug 8, 2012 | Aug 8, 2012 | Enervest Operating, L.L.C. | Montague | E. Joyce Unit #1HH | 9,000 | 33734915 |
| 745422Amendment | Aug 7, 2012 | Aug 7, 2012 | Enervest Operating, L.L.C. | Martin | Mabee G #2 | 15,000 | 31738030 |
| 745422Amendment | Aug 7, 2012 | Aug 7, 2012 | Enervest Operating, L.L.C. | Martin | Mabee G #2 | 15,000 | 31738030 |
| 745319Amendment | Aug 6, 2012 | Aug 6, 2012 | Enervest Operating, L.L.C. | Martin | Mabee D #5 | 14,000 | 31738028 |
| 743554Amendment | Aug 3, 2012 | Aug 3, 2012 | Enervest Operating, L.L.C. | Andrews | Mabee W #9 | 14,000 | 00344558 |
| 743295Amendment | Aug 2, 2012 | Aug 2, 2012 | Enervest Operating, L.L.C. | Andrews | Mabee E #3 | 14,000 | 00344552 |
| 743295Amendment | Aug 2, 2012 | Aug 2, 2012 | Enervest Operating, L.L.C. | Andrews | Mabee E #3 | 14,000 | 00344552 |
| 745073Amendment | Aug 1, 2012 | Aug 1, 2012 | Enervest Operating, L.L.C. | Martin | University 7-26B #9 | 12,000 | 31738024 |
| 744507Amendment | Jul 23, 2012 | Jul 23, 2012 | Enervest Operating, L.L.C. | Martin | Mabee H MRT #6 | 14,000 | 31738019 |
| 744507Amendment | Jul 23, 2012 | Jul 23, 2012 | Enervest Operating, L.L.C. | Martin | Mabee H MRT #6 | 14,000 | 31738019 |
| 742758 | Jul 17, 2012 | Jul 17, 2012 | Enervest Operating, L.L.C. | Lee | Johnson-Luecke Unit #1H | 9,000 | 28732596 |
| 741546 | Jul 16, 2012 | Jul 16, 2012 | Enervest Operating, L.L.C. | Crockett | Harris #1 | 9,600 | 10541227 |
| 742614Amendment | Jul 11, 2012 | Jul 11, 2012 | Enervest Operating, L.L.C. | Martin | Mabee K #7 | 14,000 | 31737947 |
| 742520Amendment | Jul 11, 2012 | Jul 11, 2012 | Enervest Operating, L.L.C. | Martin | Mabee H MRT #5 | 14,000 | 31737946 |
| 743462 | Jul 3, 2012 | Jul 3, 2012 | Enervest Operating, L.L.C. | Parker | Alexander Ranch #605HH | 9,000 | 36735307 |
| 743461 | Jul 3, 2012 | Jul 3, 2012 | Enervest Operating, L.L.C. | Parker | Alexander Ranch #604HH | 9,000 | 36735308 |
| 743423 | Jul 3, 2012 | Jul 3, 2012 | Enervest Operating, L.L.C. | Parker | Alexander Ranch #603HH | 9,000 | 36735306 |
| 742556 | Jun 29, 2012 | Jun 29, 2012 | Enervest Operating, L.L.C. | Harrison | Resch Gas Unit #14 | 11,000 | 20335129 |
| 743162 | Jun 27, 2012 | Jun 27, 2012 | Enervest Operating, L.L.C. | Madison | Long Hollow #1HH | 9,000 | 31330935 |
| 743162Amendment | Jun 27, 2012 | Jun 27, 2012 | Enervest Operating, L.L.C. | Madison | Long Hollow #1HH | 9,000 | 31330935 |
| 743142 | Jun 27, 2012 | Jun 27, 2012 | Enervest Operating, L.L.C. | Parker | Alexander Ranch #602HH | 9,000 | 36735304 |
| 743084 | Jun 26, 2012 | Jun 26, 2012 | Enervest Operating, L.L.C. | Parker | Alexander Ranch #601HH | 9,000 | 36735303 |
| 742927Amendment | Jun 23, 2012 | Jun 23, 2012 | Enervest Operating, L.L.C. | Andrews | Mabee N #2 | 14,000 | 00344539 |
| 742771 | Jun 21, 2012 | Jun 21, 2012 | Enervest Operating, L.L.C. | Wise | Arthur Downe #6HH | 9,000 | 49737506 |
| 742703 | Jun 21, 2012 | Jun 21, 2012 | Enervest Operating, L.L.C. | Wise | Arthur Downe SA #7HH | 9,000 | 49737505 |
| 742611 | Jun 21, 2012 | Jun 21, 2012 | Enervest Operating, L.L.C. | Wise | Arthur Downe SA #8HH | 9,000 | 49737504 |
| 742597Amendment | Jun 19, 2012 | Jun 19, 2012 | Enervest Operating, L.L.C. | Martin | University 7-27B #7 | 12,000 | 31737957 |
| 742519Amendment | Jun 18, 2012 | Jun 18, 2012 | Enervest Operating, L.L.C. | Martin | Mabee H MRT #4 | 15,000 | 31737944 |
| 742519Amendment | Jun 18, 2012 | Jun 18, 2012 | Enervest Operating, L.L.C. | Martin | Mabee H MRT #4 | 15,000 | 31737944 |