| 748284 | Sep 24, 2012 | Sep 24, 2012 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch #7 | 16,750 | 28931757 |
| 747510 | Sep 12, 2012 | Sep 12, 2012 | Gastar Exploration Texas, LP | Leon | Gastar Freeman, R. E. #1 | 7,147 | 28930428 |
| 742563 | Jun 29, 2012 | Jun 29, 2012 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust Unit No. 2 #7HH | 6,234 | 28931878 |
| 742428 | Jun 16, 2012 | Jun 16, 2012 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch #4H | 11,500 | 28931670 |
| 725768 | Oct 7, 2011 | Oct 7, 2011 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch #7 | 16,750 | 28931757 |
| 725768Amendment | Oct 7, 2011 | Oct 7, 2011 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch #7 | 16,750 | 28931757 |
| 723970 | Sep 13, 2011 | Sep 13, 2011 | Gastar Exploration Texas, LP | Leon | Gastar Williams #2 | 8,066 | 28931912 |
| 723970Amendment | Sep 13, 2011 | Sep 13, 2011 | Gastar Exploration Texas, LP | Leon | Gastar Williams #2 | 8,066 | 28931912 |
| 709008 | Jan 27, 2011 | Jan 27, 2011 | Gastar Exploration Texas, LP | Leon | Gastar Belin #3 | 20,000 | 28931924 |
| 705700 | Nov 23, 2010 | Nov 23, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Williams #2 | 8,800 | 28931912 |
| 704581 | Nov 3, 2010 | Nov 3, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Belin #2 | 20,000 | 28931909 |
| 704581Amendment | Nov 3, 2010 | Nov 3, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Belin Gas Unit No. 2 #1 | 20,000 | 28931909 |
| 702208 | Sep 16, 2010 | Sep 16, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust Unit No. 4 #9HH | 7,100 | 28931895 |
| 702208Amendment | Sep 16, 2010 | Sep 16, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust Unit No. 4 #9HH | 7,100 | 28931895 |
| 702208Amendment | Sep 16, 2010 | Sep 16, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust Unit No. 4 #9HH | 7,100 | 28931895 |
| 702207 | Sep 15, 2010 | Sep 15, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust Unit No. 3 #8HH | 8,700 | 28931894 |
| 702207Amendment | Sep 15, 2010 | Sep 15, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust Unit No. 3 #8HH | 8,700 | 28931894 |
| 698357 | Jul 1, 2010 | Jul 1, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust Unit No. 2 #7HH | 6,900 | 28931878 |
| 695162 | Apr 28, 2010 | Apr 28, 2010 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust Unit No. 1 #6HH | 8,700 | 28931866 |
| 689020 | Dec 30, 2009 | Dec 30, 2009 | Gastar Exploration Texas, LP | Leon | Gastar Streater Gas Unit No. 1 #1 | 20,000 | 28931852 |
| 689020Amendment | Dec 30, 2009 | Dec 30, 2009 | Gastar Exploration Texas, LP | Leon | Gastar Streater Gas Unit No. 1 #1 | 20,000 | 28931852 |
| 685836 | Oct 7, 2009 | Oct 7, 2009 | Gastar Exploration Texas, LP | Leon | Gastar Donelson Gas Unit #1 #4 | 20,000 | 28931842 |
| 676204 | Dec 19, 2008 | Dec 19, 2008 | Gastar Exploration Texas, LP | Robertson | Gastar Brunette #1 | 14,000 | 39531351 |
| 671716 | Oct 4, 2008 | Oct 4, 2008 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch #8 | 20,000 | 28931781 |
| 670594 | Sep 23, 2008 | Sep 23, 2008 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #5 | 20,000 | 28931777 |
| 670594Amendment | Sep 23, 2008 | Sep 23, 2008 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #5 | 20,000 | 28931777 |
| 670540 | Sep 23, 2008 | Sep 23, 2008 | Gastar Exploration Texas, LP | Leon | Gastar Herren #1 | 20,000 | 28931776 |
| 667569 | Aug 11, 2008 | Aug 11, 2008 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #4 | 20,000 | 28931764 |
| 665666 | Jul 21, 2008 | Jul 21, 2008 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch #7 | 20,000 | 28931757 |
| 665283 | Jul 15, 2008 | Jul 15, 2008 | Gastar Exploration Texas, LP | Robertson | Gastar John Parker Gas Unit 2 #4HH | 13,800 | 39531488 |
| 660862 | May 19, 2008 | May 19, 2008 | Gastar Exploration Texas, LP | Leon | Gastar-Belin #1 | 20,000 | 28931740 |
| 660862Amendment | May 19, 2008 | May 19, 2008 | Gastar Exploration Texas, LP | Leon | Gastar-Belin Gas Unit #1 #1 | 18,605 | 28931740 |
| 656025 | Mar 4, 2008 | Mar 4, 2008 | Gastar Exploration Texas, LP | Leon | Gastar-Lone Oak Ranch #5HH | 15,000 | 28931729 |
| 655467 | Feb 25, 2008 | Feb 25, 2008 | Gastar Exploration Texas, LP | Leon | Gastar-Lone Oak Ranch #6 | 20,000 | 28931728 |
| 650401 | Dec 7, 2007 | Dec 7, 2007 | Gastar Exploration Texas, LP | Leon | Gastar Holmes #1 | 20,000 | 28931713 |
| 649046 | Nov 14, 2007 | Nov 14, 2007 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #2 | 19,500 | 28931572 |
| 649088 | Nov 12, 2007 | Nov 12, 2007 | Gastar Exploration Texas, LP | Robertson | Gastar Brunette #1H | 15,000 | 39531351 |
| 643635 | Aug 8, 2007 | Aug 8, 2007 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch Unit "C" #3 | 20,000 | 28931692 |
| 643635Amendment | Aug 8, 2007 | Aug 8, 2007 | Gastar Exploration Texas, LP | Leon | Gastar-Lone Oak Ranch #3HH | 20,000 | 28931692 |
| 642835 | Jul 31, 2007 | Jul 31, 2007 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #3 | 20,000 | 28931683 |
| 641296 | Jun 25, 2007 | Jun 25, 2007 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #1 | 16,500 | 28931548 |
| 639768 | Jun 4, 2007 | Jun 4, 2007 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch Unit "D" #4HH | 13,750 | 28931670 |
| 635909 | Apr 2, 2007 | Apr 2, 2007 | Gastar Exploration Texas, LP | Robertson | Gastar John Parker Gas Unit 2 #3 | 14,500 | 39531266 |
| 632386 | Jan 25, 2007 | Jan 25, 2007 | Gastar Exploration Texas, LP | Leon | Gastar Greer #1 | 20,000 | 28931449 |
| 630544 | Dec 14, 2006 | Dec 14, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Wagner #1 | 18,500 | 28931632 |
| 630544Amendment | Dec 14, 2006 | Dec 14, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Wagner #1 | 18,500 | 28931632 |
| 630312 | Dec 12, 2006 | Dec 12, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Donelson #3 | 19,500 | 28931628 |
| 628465 | Nov 13, 2006 | Nov 13, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch Unit "B" #2 | 18,000 | 28931618 |
| 628465Amendment | Nov 13, 2006 | Nov 13, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch Unit "B" #2 | 18,000 | 28931618 |
| 628465Amendment | Nov 13, 2006 | Nov 13, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Lone Oak Ranch Unit "B" #2 | 18,500 | 28931618 |
| 625393 | Sep 5, 2006 | Sep 5, 2006 | Gastar Exploration Texas, LP | Leon | Williams #1 | 19,500 | 28931609 |
| 625393Amendment | Sep 5, 2006 | Sep 5, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Williams #1 | 19,500 | 28931609 |
| 625393Amendment | Sep 5, 2006 | Sep 5, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Williams #1 | 20,000 | 28931609 |
| 624292 | Aug 15, 2006 | Aug 15, 2006 | Gastar Exploration Texas, LP | Robertson | John Parker Gas Unit 2 #2 | 19,000 | 39531177 |
| 624292Amendment | Aug 15, 2006 | Aug 15, 2006 | Gastar Exploration Texas, LP | Robertson | Gastar John Parker Gas Unit 2 #2 | 19,000 | 39531177 |
| 619111 | May 11, 2006 | May 11, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Donelson #2 | 15,000 | 28931518 |
| 617936 | Apr 20, 2006 | Apr 20, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #2 | 19,500 | 28931572 |
| 617708 | Apr 17, 2006 | Apr 17, 2006 | Gastar Exploration Texas, LP | Robertson | John Parker Gas Unit 1 #1 | 18,000 | 39531132 |
| 611808Amendment | Jan 3, 2006 | Jan 3, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #1 | 16,500 | 28931548 |
| 611808Amendment | Jan 3, 2006 | Jan 3, 2006 | Gastar Exploration Texas, LP | Leon | Gastar Wildman Trust #1 | 16,500 | 28931548 |
| 600995Amendment | May 20, 2005 | May 20, 2005 | Gastar Exploration Texas, LP | Leon | Donelson, Gastar #1 | 20,000 | 28931491 |