| 823890Amendment | Mar 8, 2017 | Mar 8, 2017 | Wildhorse Resources Mngt Co, LLC | Winkelmann #1HH | 12,500 | 47731043 |
| 822493 | Mar 6, 2017 | Mar 6, 2017 | Enervest Operating, L.L.C. | Broussard-Liebscher Co-OP Unit #1HH | 11,000 | 47731026 |
| 822963 | Feb 23, 2017 | Feb 23, 2017 | Enervest Operating, L.L.C. | Marlene, Lili #2HH | 11,000 | 47731022 |
| 806374 | Feb 8, 2016 | Feb 8, 2016 | Enervest Operating, L.L.C. | Lucky #3H | 12,500 | 47731029 |
| 806287 | Feb 8, 2016 | Feb 8, 2016 | Enervest Operating, L.L.C. | Neva #2H | 11,000 | 47731028 |
| 806287Amendment | Feb 8, 2016 | Feb 8, 2016 | Enervest Operating, L.L.C. | Neva Unit #2H | 11,000 | 47731028 |
| 806275 | Feb 8, 2016 | Feb 8, 2016 | Enervest Operating, L.L.C. | Dietz O.L. Unit #3H | 11,000 | 47731027 |
| 811987 | Nov 18, 2015 | Nov 18, 2015 | Geosouthern Operating II, LLC | Fowler #1HH | 14,000 | 47731042 |
| 810185 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek East Unit #616 | 2,000 | 47731039 |
| 810184 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek East Unit #618 | 2,000 | 47731041 |
| 810183 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek East Unit #619 | 2,000 | 47731038 |
| 810182 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek East Unit #123 | 2,000 | 47731037 |
| 810181 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek East Unit #106 | 2,000 | 47731040 |
| 810180 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek East Unit #526 | 2,000 | 47731036 |
| 810179 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek East Unit #26 | 2,000 | 47731035 |
| 810172 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek West Unit #243 | 2,000 | 47731034 |
| 810172Amendment | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek West Unit #243 | 2,000 | 47731034 |
| 810170 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek West Unit #242 | 2,000 | 47731033 |
| 810168 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek West Unit #241 | 2,000 | 47731032 |
| 810165 | Sep 17, 2015 | Sep 17, 2015 | Hyperion Oil & Gas LLC | Clay Creek West Unit #240 | 2,000 | 47731031 |
| 810162 | Sep 15, 2015 | Sep 15, 2015 | Hyperion Oil & Gas LLC | Clay Creek West Unit #239 | 2,000 | 47731030 |
| 810162Amendment | Sep 15, 2015 | Sep 15, 2015 | Hyperion Oil & Gas LLC | Clay Creek West Unit #239 | 2,000 | 47731030 |
| 802542 | Jan 12, 2015 | Jan 12, 2015 | Enervest Operating, L.L.C. | Broussard-Liebscher Co-OP Unit #1HH | 11,000 | 47731026 |
| 802542Amendment | Jan 12, 2015 | Jan 12, 2015 | Enervest Operating, L.L.C. | Broussard-Liebscher Co-OP Unit #1HH | 11,000 | 47731026 |
| 791729 | Dec 16, 2014 | Dec 16, 2014 | Enervest Operating, L.L.C. | Marlene, Lili #2HH | 11,000 | 47731022 |
| 791729Amendment | Dec 16, 2014 | Dec 16, 2014 | Enervest Operating, L.L.C. | Marlene, Lili #2HH | 11,000 | 47731022 |
| 799110 | Nov 3, 2014 | Nov 3, 2014 | Enervest Operating, L.L.C. | SWM Coop Unit Well #1HH | 11,500 | 47731025 |
| 796442 | Oct 22, 2014 | Oct 22, 2014 | Enervest Operating, L.L.C. | Gloyna-Pruegner Co-OP #1H | 11,000 | 47731024 |
| 796442Amendment | Oct 22, 2014 | Oct 22, 2014 | Magnolia Oil & Gas Operating LLC | Gloyna-Pruegner Co-OP #1H | 11,000 | 47731024 |
| 796133 | Sep 29, 2014 | Sep 29, 2014 | Winn Exploration Co., Inc. | Mr. Mac's #1 | 7,500 | 47731023 |
| 788687 | Jul 21, 2014 | Jul 21, 2014 | Enervest Operating, L.L.C. | Roemer #2HH | 11,500 | 47731021 |
| 782777 | Apr 29, 2014 | Apr 29, 2014 | SM Energy Company | Independence #12HH | 15,000 | 47731020 |
| 781888 | Apr 16, 2014 | Apr 16, 2014 | Hyperion Energy, L P | Clay Creek East Unit #617 | 2,000 | 47731019 |
| 781874 | Apr 16, 2014 | Apr 16, 2014 | Hyperion Energy, L P | Clay Creek East Unit #524 | 2,000 | 47731016 |
| 781873 | Apr 16, 2014 | Apr 16, 2014 | Hyperion Energy, L P | Clay Creek East Unit #523 | 2,000 | 47731015 |
| 781871 | Apr 16, 2014 | Apr 16, 2014 | Hyperion Energy, L P | Clay Creek East Unit #121 | 2,000 | 47731013 |
| 781867 | Apr 16, 2014 | Apr 16, 2014 | Hyperion Energy, L P | Clay Creek East Unit #120 | 2,000 | 47731012 |
| 781481 | Apr 9, 2014 | Apr 9, 2014 | Enervest Operating, L.L.C. | Henry Bredthauer Unit #2H | 11,700 | 47731010 |
| 781178 | Mar 31, 2014 | Mar 31, 2014 | Enervest Operating, L.L.C. | Dos Equis Unit #1HH | 11,000 | 47731009 |
| 780730 | Mar 26, 2014 | Mar 26, 2014 | Hyperion Energy, L P | Clay Creek West Unit #238 | 2,000 | 47731008 |
| 777809 | Feb 10, 2014 | Feb 10, 2014 | Hyperion Energy, L P | Clay Creek West Unit #236 | 2,000 | 47731006 |
| 777809Amendment | Feb 10, 2014 | Feb 10, 2014 | Hyperion Energy, L P | Clay Creek West Unit #236 | 2,000 | 47731006 |
| 777807 | Feb 10, 2014 | Feb 10, 2014 | Hyperion Energy, L P | Clay Creek East Unit #85 | 2,000 | 47731005 |
| 776248 | Feb 7, 2014 | Feb 7, 2014 | WCS Oil & Gas Corporation | Neinast #1REH | 11,500 | 47730908 |
| 776628 | Jan 17, 2014 | Jan 17, 2014 | Enervest Operating, L.L.C. | Means 'C' No. 4H Unit #2HH | 17,000 | 47731004 |
| 776628Amendment | Jan 17, 2014 | Jan 17, 2014 | Enervest Operating, L.L.C. | Means 'C' No. 4H Unit #2HH | 17,000 | 47731004 |
| 771255 | Oct 24, 2013 | Oct 24, 2013 | Enervest Operating, L.L.C. | Littlefield Co-OP #1H | 14,000 | 47731003 |
| 771255Amendment | Oct 24, 2013 | Oct 24, 2013 | Magnolia Oil & Gas Operating LLC | Littlefield Co-OP #1H | 14,000 | 47731003 |
| 768228 | Aug 19, 2013 | Aug 19, 2013 | Enervest Operating, L.L.C. | Johnston Unit #3H | 18,200 | 47731002 |
| 768228Amendment | Aug 19, 2013 | Aug 19, 2013 | Enervest Operating, L.L.C. | Johnston Unit #3H | 18,200 | 47731002 |
| 764769 | Jun 21, 2013 | Jun 21, 2013 | Enervest Operating, L.L.C. | Cardinal Unit #1H | 12,000 | 47731001 |
| 762672 | May 23, 2013 | May 23, 2013 | WCS Oil & Gas Corporation | Baranowski #1H | 12,000 | 47731000 |
| 760549 | May 17, 2013 | May 17, 2013 | Enervest Operating, L.L.C. | Liebscher-O. L. Unit #2HH | 12,150 | 47730997 |
| 761073 | Apr 23, 2013 | Apr 23, 2013 | SM Energy Company | Brollier #1HH | 19,000 | 47730999 |
| 761073Amendment | Apr 23, 2013 | Apr 23, 2013 | SM Energy Company | Brollier #1HH | 19,000 | 47730999 |
| 761073Amendment | Apr 23, 2013 | Apr 23, 2013 | SM Energy Company | Brollier #1HH | 19,000 | 47730999 |
| 760635 | Apr 23, 2013 | Apr 23, 2013 | Enervest Operating, L.L.C. | Borgstedt-Levien Co-OP #1H | 12,000 | 47730998 |
| 760635Amendment | Apr 23, 2013 | Apr 23, 2013 | Magnolia Oil & Gas Operating LLC | Borgstedt-Levien Co-OP #1H | 12,000 | 47730998 |
| 760186 | Apr 11, 2013 | Apr 11, 2013 | WCS Oil & Gas Corporation | Dallmeyer Unit #1REH | 12,000 | 47730479 |
| 759297 | Mar 25, 2013 | Mar 25, 2013 | Hyperion Energy, L P | Clay Creek West Unit #314A | 2,000 | 47730996 |
| 758600 | Mar 15, 2013 | Mar 15, 2013 | WCS Oil & Gas Corporation | Watford Unit #1REH | 11,000 | 47730705 |
| 752245 | Dec 4, 2012 | Dec 4, 2012 | Hyperion Energy, L P | Clay Creek East Unit #615 | 2,000 | 47730994 |
| 752226 | Dec 4, 2012 | Dec 4, 2012 | Hyperion Energy, L P | Clay Creek East Unit #119 | 2,000 | 47730995 |
| 752234 | Dec 3, 2012 | Dec 3, 2012 | Hyperion Energy, L P | Clay Creek East Unit #522 | 2,000 | 47730993 |
| 752220 | Nov 30, 2012 | Nov 30, 2012 | Hyperion Energy, L P | Clay Creek West Unit #314 | 2,000 | 47730992 |
| 741579 | Jun 4, 2012 | Jun 4, 2012 | Enervest Operating, L.L.C. | Lovings-Kruse Unit #2H | 11,500 | 47730990 |
| 741579Amendment | Jun 4, 2012 | Jun 4, 2012 | Enervest Operating, L.L.C. | Lovings-Kruse Unit #2H | 11,500 | 47730990 |
| 737039 | Mar 28, 2012 | Mar 28, 2012 | SM Energy Company | Gardner #1 | 15,000 | 47730423 |
| 733926 | Mar 22, 2012 | Mar 22, 2012 | WCS Oil & Gas Corporation | Carter Unit #1H | 10,500 | 47730529 |
| 735497 | Mar 16, 2012 | Mar 16, 2012 | SM Energy Company | Eschberger #1HH | 17,000 | 47730989 |
| 735497Amendment | Mar 16, 2012 | Mar 16, 2012 | SM Energy Company | Eschberger #1HH | 17,000 | 47730989 |
| 735233 | Mar 2, 2012 | Mar 2, 2012 | Abel Oil & Exploration Inc. | Hermann #1 | 1,250 | 47730988 |
| 733208 | Feb 16, 2012 | Feb 16, 2012 | SM Energy Company | Schmieder #1HH | 17,000 | 47730987 |
| 728631 | Nov 23, 2011 | Nov 23, 2011 | Enervest Operating, L.L.C. | Liger Unit #1H | 13,000 | 47730986 |
| 726997 | Oct 31, 2011 | Oct 31, 2011 | Enervest Operating, L.L.C. | Schawe-Wolff #1HH | 13,500 | 47730985 |
| 726997Amendment | Oct 31, 2011 | Oct 31, 2011 | Enervest Operating, L.L.C. | Schawe-Wolff #1HH | 13,500 | 47730985 |
| 723188 | Aug 31, 2011 | Aug 31, 2011 | Enervest Operating, L.L.C. | Ricks #1REH | 15,000 | 47730759 |
| 721823 | Aug 10, 2011 | Aug 10, 2011 | Enervest Operating, L.L.C. | Derrick Unit #1REH | 12,000 | 47730729 |
| 715070 | Apr 29, 2011 | Apr 29, 2011 | Enervest Operating, L.L.C. | Jilana JO Unit #2H | 12,000 | 47730984 |
| 711649 | Mar 10, 2011 | Mar 10, 2011 | Enervest Operating, L.L.C. | Hodges-Druckhammer Unit #1H | 13,500 | 47730983 |
| 711649Amendment | Mar 10, 2011 | Mar 10, 2011 | Enervest Operating, L.L.C. | Hodges-Druckhammer Unit #1H | 13,500 | 47730983 |
| 703012 | Oct 4, 2010 | Oct 4, 2010 | Enervest Operating, L.L.C. | Kankel OL #1REH | 13,500 | 47730772 |
| 703012Amendment | Oct 4, 2010 | Oct 4, 2010 | Enervest Operating, L.L.C. | Kankel OL #1REH | 13,500 | 47730772 |
| 695616 | Jun 4, 2010 | Jun 4, 2010 | Enervest Operating, L.L.C. | Weiss #1REH | 16,500 | 47730874 |
| 696398 | May 26, 2010 | May 26, 2010 | Enervest Operating, L.L.C. | Sprankle #2REH | 11,500 | 47730717 |
| 695853 | May 13, 2010 | May 13, 2010 | Enervest Operating, L.L.C. | Bredwinner Co-OP Unit #1H | 12,000 | 47730982 |
| 695853Amendment | May 13, 2010 | May 13, 2010 | Enervest Operating, L.L.C. | Bredwinner Co-OP Unit #1H | 12,000 | 47730982 |
| 695853Amendment | May 13, 2010 | May 13, 2010 | Magnolia Oil & Gas Operating LLC | Bredwinner Co-OP Unit #1H | 12,000 | 47730982 |
| 695177 | May 4, 2010 | May 4, 2010 | Magnum Producing, LP | Williams et Al #1 | 7,200 | 47730981 |
| 694121 | Apr 9, 2010 | Apr 9, 2010 | Magnum Producing, LP | Easley #1 | 7,200 | 47730980 |
| 691971 | Mar 2, 2010 | Mar 2, 2010 | Enervest Operating, L.L.C. | Johnston Unit #2H | 13,000 | 47730979 |
| 686894 | Jan 5, 2010 | Jan 5, 2010 | Enervest Operating, L.L.C. | Schulte #2REH | 14,200 | 47730885 |
| 686894Amendment | Jan 5, 2010 | Jan 5, 2010 | Enervest Operating, L.L.C. | Schulte #2REH | 14,200 | 47730885 |
| 687979 | Nov 30, 2009 | Nov 30, 2009 | Vetra E & P LLC | Fincher Unit #1 | 4,000 | 47730978 |
| 684721 | Sep 11, 2009 | Sep 11, 2009 | Enervest Operating, L.L.C. | B. Meyer Unit #1REH | 15,000 | 47730813 |
| 684624 | Aug 31, 2009 | Aug 31, 2009 | WCS Oil & Gas Corporation | Sager #1HH | 11,000 | 47730977 |
| 682162 | Jul 2, 2009 | Jul 2, 2009 | Dirks Petroleum Company | Nath Winfield #1 | 1,500 | 47730976 |
| 677989 | Feb 3, 2009 | Feb 3, 2009 | Enervest Operating, L.L.C. | Liebscher-OL Unit #1REH | 12,000 | 47730711 |
| 677589 | Jan 23, 2009 | Jan 23, 2009 | Santana Energy Services, LLC | Duty Unit #2HH | 16,000 | 47730957 |
| 671612 | Oct 7, 2008 | Oct 7, 2008 | Enervest Operating, L.L.C. | Studhalter #1 | 5,500 | 47730974 |