| 768821 | Aug 28, 2013 | Aug 28, 2013 | CR3 Operating Company, L.L.C. | Stinnett Ranch #137531800 | 10,000 |
| 766310 | Jul 12, 2013 | Jul 12, 2013 | Adams Affiliates, Inc. | Bivins #2860A37531799 | 2,400 |
| 766004 | Jul 11, 2013 | Jul 11, 2013 | Beren Corporation | Masterson Estate #8737531798 | 2,370 |
| 765995 | Jul 11, 2013 | Jul 11, 2013 | Beren Corporation | Masterson Estate #8337531797 | 2,370 |
| 765991 | Jul 10, 2013 | Jul 10, 2013 | Beren Corporation | Masterson Estate #8237531796 | 2,370 |
| 763487 | May 30, 2013 | May 30, 2013 | Pedestal Oil Company, Inc. | Frying Pan Ranch #137531795 | 8,000 |
| 756816 | Feb 25, 2013 | Feb 25, 2013 | Blake Production Company, Inc. | The Strip #137530964 | 4,000 |
| 750040 | Nov 7, 2012 | Nov 7, 2012 | Mid-Con Energy Operating, Inc. | Bivins Ranch #130237531794 | 5,800 |
| 750053 | Oct 26, 2012 | Oct 26, 2012 | Mid-Con Energy Operating, Inc. | Bivins Ranch #170337531793 | 5,800 |
| 750053Amendment | Oct 26, 2012 | Oct 26, 2012 | Mid-Con Energy Operating, Inc. | Bivins Ranch #170337531793 | 5,800 |
| 750053Amendment | Oct 26, 2012 | Oct 26, 2012 | Mid-Con Energy Operating, Inc. | Bivins Ranch #170337531793 | 5,800 |
| 740689 | May 23, 2012 | May 23, 2012 | Pioneer Natural Res. USA, Inc. | Bivins #149R37531792 | 2,500 |
| 736467 | Apr 9, 2012 | Apr 9, 2012 | Adams Affiliates, Inc. | Bivins #287737531791 | 2,300 |
| 736440 | Apr 3, 2012 | Apr 3, 2012 | Adams Affiliates, Inc. | Bivins #288237531790 | 2,300 |
| 736422 | Mar 20, 2012 | Mar 20, 2012 | Laddex, Ltd. | Baca #1023R37531789 | 6,100 |
| 733729 | Feb 23, 2012 | Feb 23, 2012 | Laddex, Ltd. | Baca #102337531788 | 6,100 |
| 730270 | Dec 22, 2011 | Dec 22, 2011 | Laddex, Ltd. | Martian #31237531787 | 4,500 |
| 727675 | Nov 29, 2011 | Nov 29, 2011 | Linn Operating, Inc. | Bivins #A 20H37531771 | 3,800 |
| 721075 | Nov 4, 2011 | Nov 4, 2011 | Linn Operating, Inc. | Bivins #A 22H37531770 | 3,800 |
| 724797 | Sep 29, 2011 | Sep 29, 2011 | Bravo Natural Gas, LLC | Rockwell #2102HH37531786 | 2,750 |
| 723677 | Sep 12, 2011 | Sep 12, 2011 | Blake Production Company, Inc. | Baca #302437531785 | 4,000 |
| 722935 | Aug 31, 2011 | Aug 31, 2011 | Adams Affiliates, Inc. | Bivins 'S' #341137531783 | 2,500 |
| 722940 | Aug 26, 2011 | Aug 26, 2011 | Adams Affiliates, Inc. | Bivins "S" #341037531784 | 2,500 |
| 719517 | Jul 5, 2011 | Jul 5, 2011 | Beren Corporation | Masterson Estate #7537531782 | 2,450 |
| 714924 | Apr 28, 2011 | Apr 28, 2011 | Blake Production Company, Inc. | Baca #202437531781 | 4,000 |
| 713224 | Apr 4, 2011 | Apr 4, 2011 | Laddex, Ltd. | Martian #21237531780 | 5,000 |
| 713152 | Apr 1, 2011 | Apr 1, 2011 | Laddex, Ltd. | Cruz Creek #10537531779 | 5,000 |
| 711085 | Mar 1, 2011 | Mar 1, 2011 | Pioneer Natural Res. USA, Inc. | R B Masterson D #137531777 | 3,800 |
| 711077 | Mar 1, 2011 | Mar 1, 2011 | Pioneer Natural Res. USA, Inc. | R B Masterson C #137531776 | 3,800 |
| 711009 | Mar 1, 2011 | Mar 1, 2011 | Pioneer Natural Res. USA, Inc. | R B Masterson B #137531775 | 3,800 |
| 711008 | Mar 1, 2011 | Mar 1, 2011 | Pioneer Natural Res. USA, Inc. | R B Masterson A #237531778 | 3,800 |
| 711006 | Mar 1, 2011 | Mar 1, 2011 | Pioneer Natural Res. USA, Inc. | R B Masterson A #137531774 | 3,800 |
| 705811 | Dec 2, 2010 | Dec 2, 2010 | Blake Production Company, Inc. | Baca #102437531773 | 3,950 |
| 705811Amendment | Dec 2, 2010 | Dec 2, 2010 | Blake Production Company, Inc. | Baca #102437531773 | 3,950 |
| 702463 | Sep 22, 2010 | Sep 22, 2010 | Pioneer Natural Res. USA, Inc. | Bivins #A25337531752 | 3,800 |
| 700088 | Aug 9, 2010 | Aug 9, 2010 | Linn Operating, Inc. | Bivins #A 22H37531770 | 3,800 |
| 700087 | Aug 9, 2010 | Aug 9, 2010 | Linn Operating, Inc. | Bivins #A 21H37531772 | 3,800 |
| 700086 | Aug 9, 2010 | Aug 9, 2010 | Linn Operating, Inc. | Bivins #A 20H37531771 | 3,800 |
| 699072 | Jul 16, 2010 | Jul 16, 2010 | Wheeler Energy, LLC | Singer Bros. 156 #137531769 | 8,500 |
| 697802 | Jun 21, 2010 | Jun 21, 2010 | Laddex, Ltd. | Martian #11237531768 | 5,000 |
| 696688 | Jun 1, 2010 | Jun 1, 2010 | Gunn Oil Company | Bivins SC #190137531767 | 9,500 |
| 694052 | Apr 15, 2010 | Apr 15, 2010 | Pioneer Natural Res. USA, Inc. | Masterson #181R37531766 | 3,490 |
| 694052Amendment | Apr 15, 2010 | Apr 15, 2010 | Pioneer Natural Res. USA, Inc. | Masterson #181R37531766 | 3,490 |
| 693802 | Apr 8, 2010 | Apr 8, 2010 | Pioneer Natural Res. USA, Inc. | Bivins #144R37531765 | 2,500 |
| 693497 | Apr 2, 2010 | Apr 2, 2010 | Pioneer Natural Res. USA, Inc. | Masterson #180R37531762 | 2,500 |
| 693510 | Apr 1, 2010 | Apr 1, 2010 | Pioneer Natural Res. USA, Inc. | Bivins #143R37531764 | 2,500 |
| 693506 | Apr 1, 2010 | Apr 1, 2010 | Pioneer Natural Res. USA, Inc. | Bivins #142R37531763 | 2,500 |
| 693486 | Apr 1, 2010 | Apr 1, 2010 | Pioneer Natural Res. USA, Inc. | Masterson #801R37531761 | 3,700 |
| 693486Amendment | Apr 1, 2010 | Apr 1, 2010 | Pioneer Natural Res. USA, Inc. | Masterson #801R37531761 | 3,700 |
| 688466 | Mar 9, 2010 | Mar 9, 2010 | Adams Affiliates, Inc. | Bivins #287737531791 | 2,300 |
| 688463 | Mar 9, 2010 | Mar 9, 2010 | Adams Affiliates, Inc. | Bivins #288237531790 | 2,300 |
| 688462 | Feb 17, 2010 | Feb 17, 2010 | Adams Affiliates, Inc. | Bivins #288337531759 | 2,300 |
| 688461 | Feb 17, 2010 | Feb 17, 2010 | Adams Affiliates, Inc. | Bivins #288437531760 | 2,300 |
| 688459 | Dec 22, 2009 | Dec 22, 2009 | Adams Affiliates, Inc. | Bivins "S" #332637531756 | 2,300 |
| 688459Amendment | Dec 22, 2009 | Dec 22, 2009 | Adams Affiliates, Inc. | Bivins 'S' #332637531756 | 2,300 |
| 686600 | Nov 20, 2009 | Nov 20, 2009 | Blake Production Company, Inc. | The Strip #137530964 | 4,000 |
| 687511 | Nov 18, 2009 | Nov 18, 2009 | Linn Operating, Inc. | Summers #3H37531755 | 3,400 |
| 684803 | Sep 17, 2009 | Sep 17, 2009 | Linn Operating, Inc. | Bivins #B 1H37500231 | 3,400 |
| 671200 | Oct 1, 2008 | Oct 1, 2008 | B & B Operating, L.P. | Baca 23 #137531754 | 6,200 |
| 669608 | Sep 17, 2008 | Sep 17, 2008 | Pioneer Natural Res. USA, Inc. | Bivins #A25037531750 | 3,800 |
| 669606 | Sep 11, 2008 | Sep 11, 2008 | Pioneer Natural Res. USA, Inc. | Bivins #A25337531752 | 3,800 |
| 669610 | Sep 10, 2008 | Sep 10, 2008 | Pioneer Natural Res. USA, Inc. | Bivins #A25237531751 | 3,800 |
| 669587 | Sep 10, 2008 | Sep 10, 2008 | Pioneer Natural Res. USA, Inc. | Bivins #A24937531749 | 3,800 |
| 648507 | Oct 31, 2007 | Oct 31, 2007 | Pioneer Natural Res. USA, Inc. | Masterson #14337531748 | 340 |
| 643108 | Aug 2, 2007 | Aug 2, 2007 | Questar Expl. and Prod. Co. | Bivins Ranch Penn Unit #110237531747 | 6,000 |
| 643049 | Aug 2, 2007 | Aug 2, 2007 | Questar Expl. and Prod. Co. | Bivins Ranch Penn Unit #160337531746 | 6,000 |
| 643013 | Aug 1, 2007 | Aug 1, 2007 | Questar Expl. and Prod. Co. | Bivins Ranch #120237531745 | 6,000 |
| 640572 | Jun 27, 2007 | Jun 27, 2007 | Pogo Panhandle 2004, L.P. | Bivins D #537500188 | 2,900 |
| 636300 | Apr 18, 2007 | Apr 18, 2007 | Stallion Energy LLC | Bivins #A 7H37500229 | 2,950 |
| 629799 | Dec 1, 2006 | Dec 1, 2006 | Pioneer Natural Res. USA, Inc. | Bivins #A251H37531736 | 3,800 |
| 629784 | Dec 1, 2006 | Dec 1, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #179R37531744 | 2,500 |
| 628289 | Nov 1, 2006 | Nov 1, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #175R37531743 | 2,800 |
| 628286 | Oct 31, 2006 | Oct 31, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #170R37531742 | 2,500 |
| 628284 | Oct 31, 2006 | Oct 31, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #172R37531741 | 2,500 |
| 627866 | Oct 23, 2006 | Oct 23, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #173R37531740 | 2,500 |
| 627868 | Oct 20, 2006 | Oct 20, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #178R37531739 | 2,500 |
| 627864 | Oct 20, 2006 | Oct 20, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #176R37531738 | 2,500 |
| 627596 | Oct 16, 2006 | Oct 16, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #B143H37531726 | 3,400 |
| 627340 | Oct 11, 2006 | Oct 11, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #10R37500365 | 2,400 |
| 627337 | Oct 11, 2006 | Oct 11, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #9R37500276 | 2,400 |
| 627335 | Oct 11, 2006 | Oct 11, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #B 85R37500382 | 2,400 |
| 627297 | Oct 10, 2006 | Oct 10, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #B 34R37500118 | 2,800 |
| 627280 | Oct 10, 2006 | Oct 10, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #41R37530036 | 2,500 |
| 627264 | Oct 10, 2006 | Oct 10, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #21R37500378 | 2,400 |
| 626274 | Sep 28, 2006 | Sep 28, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #B139H37531714 | 3,800 |
| 626264 | Sep 20, 2006 | Sep 20, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #B141H37531715 | 3,800 |
| 626264Amendment | Sep 20, 2006 | Sep 20, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #B141H37531715 | 3,800 |
| 626244 | Sep 20, 2006 | Sep 20, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #112R37531521 | 2,500 |
| 626206 | Sep 19, 2006 | Sep 19, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #39R37530029 | 2,500 |
| 626174 | Sep 19, 2006 | Sep 19, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #B 64R37500332 | 3,000 |
| 626165 | Sep 19, 2006 | Sep 19, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #B 55R37500172 | 2,500 |
| 626155 | Sep 19, 2006 | Sep 19, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #81R37530167 | 2,700 |
| 626154 | Sep 19, 2006 | Sep 19, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #23R37520048 | 2,700 |
| 626147 | Sep 19, 2006 | Sep 19, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #30R37520023 | 2,700 |
| 626131 | Sep 19, 2006 | Sep 19, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #34R37530010 | 2,700 |
| 626122 | Sep 19, 2006 | Sep 19, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #57R37530074 | 2,700 |
| 626111 | Sep 18, 2006 | Sep 18, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #35R37530009 | 2,700 |
| 626087 | Sep 18, 2006 | Sep 18, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #37R37530028 | 2,700 |
| 625972 | Sep 15, 2006 | Sep 15, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #63R37530126 | 2,700 |
| 625674 | Sep 14, 2006 | Sep 14, 2006 | Pioneer Natural Res. USA, Inc. | Masterson #5937531737 | 300 |