| 737890 | Apr 21, 2012 | Apr 21, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer , Edwin S. Jr. 'I' #5 | 8,600 | 41332835 |
| 737890Amendment | Apr 21, 2012 | Apr 21, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer , Edwin S. Jr. 'I' #5 | 8,600 | 41332835 |
| 735312 | Apr 13, 2012 | Apr 13, 2012 | Highmount Expl & Prod Texas LLC | Sutton | Mayer, Edwin S. Jr. 'U' #15 | 8,350 | 43539389 |
| 736015 | Mar 26, 2012 | Mar 26, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Thackerson 35 #1 | 8,100 | 41332832 |
| 736015Amendment | Mar 26, 2012 | Mar 26, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Thackerson 35 #1 | 8,100 | 41332832 |
| 736019 | Mar 24, 2012 | Mar 24, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Moore 13 #1 | 8,300 | 41332833 |
| 736010 | Mar 24, 2012 | Mar 24, 2012 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #1001HH | 5,895 | 10541439 |
| 736010Amendment | Mar 24, 2012 | Mar 24, 2012 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #1001HH | 5,895 | 10541439 |
| 735732 | Mar 22, 2012 | Mar 22, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Hollenbeck #1585 | 8,500 | 41332830 |
| 733762 | Mar 22, 2012 | Mar 22, 2012 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #304HH | 11,640 | 10541426 |
| 733762Amendment | Mar 22, 2012 | Mar 22, 2012 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #304HH | 6,200 | 10541426 |
| 735276 | Mar 15, 2012 | Mar 15, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 4 #5 | 8,500 | 41332829 |
| 735276Amendment | Mar 15, 2012 | Mar 15, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 4 #5 | 8,500 | 41332829 |
| 732767 | Mar 7, 2012 | Mar 7, 2012 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 36 #6 | 8,700 | 43539388 |
| 732753 | Mar 7, 2012 | Mar 7, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer , Edwin S. Jr. 'R' #5 | 8,400 | 41332818 |
| 733292 | Feb 27, 2012 | Feb 27, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Nikolauk #605 | 8,600 | 41332823 |
| 733846 | Feb 24, 2012 | Feb 24, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Moore 29 #1 | 8,200 | 41332827 |
| 733846Amendment | Feb 24, 2012 | Feb 24, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Moore 29 #1 | 8,200 | 41332827 |
| 733772 | Feb 23, 2012 | Feb 23, 2012 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #203HH | 12,900 | 10541428 |
| 733772Amendment | Feb 23, 2012 | Feb 23, 2012 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #203HH | 6,200 | 10541428 |
| 733414 | Feb 17, 2012 | Feb 17, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano #1606 | 8,600 | 41332702 |
| 733285 | Feb 16, 2012 | Feb 16, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Nikolauk #604 | 8,600 | 41332822 |
| 732725 | Feb 15, 2012 | Feb 15, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Hill-Mayer, Edwin S. Jr., 'MM' #2 | 8,600 | 41332821 |
| 733037 | Feb 13, 2012 | Feb 13, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Ranch PP #5402 | 8,500 | 41332820 |
| 733028 | Feb 13, 2012 | Feb 13, 2012 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #303HH | 11,756 | 10541410 |
| 733028Amendment | Feb 13, 2012 | Feb 13, 2012 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #303 | 6,800 | 10541410 |
| 732788 | Feb 10, 2012 | Feb 10, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 7 #6 | 8,600 | 41332819 |
| 732788Amendment | Feb 10, 2012 | Feb 10, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 7 #6 | 9,800 | 41332819 |
| 732788Amendment | Feb 10, 2012 | Feb 10, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 7 #6 | 9,800 | 41332819 |
| 732719 | Feb 9, 2012 | Feb 9, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Edwin S Jr E #35 | 8,500 | 41332817 |
| 732254 | Jan 31, 2012 | Jan 31, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 7 #5 | 8,600 | 41332816 |
| 732252 | Jan 31, 2012 | Jan 31, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 4 #6 | 8,500 | 41332815 |
| 732231 | Jan 31, 2012 | Jan 31, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 14 #6 | 8,600 | 41332814 |
| 732241 | Jan 30, 2012 | Jan 30, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 7 #2 | 8,600 | 41332813 |
| 732241Amendment | Jan 30, 2012 | Jan 30, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 7 #2 | 8,600 | 41332813 |
| 731463 | Jan 18, 2012 | Jan 18, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Hollenbeck A #5601 | 8,300 | 41332808 |
| 731463Amendment | Jan 18, 2012 | Jan 18, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Hollenbeck A #5601 | 8,300 | 41332808 |
| 731420 | Jan 18, 2012 | Jan 18, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | University 54A #2401HH | 12,838 | 41332807 |
| 731346 | Jan 13, 2012 | Jan 13, 2012 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano #1503 | 8,600 | 41332806 |
| 730879 | Jan 5, 2012 | Jan 5, 2012 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 40 #2 | 8,700 | 43539380 |
| 730277 | Dec 22, 2011 | Dec 22, 2011 | Highmount Expl & Prod Texas LLC | Lipscomb | Sherrod #2811HH | 12,900 | 29533796 |
| 730123 | Dec 20, 2011 | Dec 20, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #305HH | 12,199 | 10541370 |
| 730123Amendment | Dec 20, 2011 | Dec 20, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #305HH | 6,000 | 10541370 |
| 730070 | Dec 20, 2011 | Dec 20, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 57 12 #1 | 8,000 | 41332804 |
| 729912 | Dec 16, 2011 | Dec 16, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #302HH | 9,402 | 10541368 |
| 729912Amendment | Dec 16, 2011 | Dec 16, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #302HH | 5,800 | 10541368 |
| 729640 | Dec 14, 2011 | Dec 14, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Lauffer #901 | 8,900 | 41332803 |
| 729476 | Dec 9, 2011 | Dec 9, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 55 1 #4HH | 9,533 | 41332801 |
| 729304 | Dec 7, 2011 | Dec 7, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 57 21 #1 | 8,100 | 41332800 |
| 729303 | Dec 7, 2011 | Dec 7, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 57 10 #2 | 8,100 | 41332799 |
| 729274 | Dec 6, 2011 | Dec 6, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | John Powell #501 | 8,700 | 41332798 |
| 729084 | Dec 6, 2011 | Dec 6, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano Unit #1401HH | 10,700 | 41332797 |
| 729084Amendment | Dec 6, 2011 | Dec 6, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano #1401 | 7,300 | 41332797 |
| 729035 | Dec 1, 2011 | Dec 1, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #1102 | 8,400 | 10541358 |
| 729035Amendment | Dec 1, 2011 | Dec 1, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #1102 | 8,400 | 10541358 |
| 729001 | Dec 1, 2011 | Dec 1, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 15 #2 | 8,750 | 41332795 |
| 729000 | Dec 1, 2011 | Dec 1, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 15 #1 | 8,700 | 41332794 |
| 726496 | Nov 17, 2011 | Nov 17, 2011 | Highmount Expl & Prod Texas LLC | Sutton | Glasscock, H.E. et Al #285HH | 12,330 | 43539372 |
| 727394 | Nov 3, 2011 | Nov 3, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Mertz #1001 | 8,500 | 41332786 |
| 727394Amendment | Nov 3, 2011 | Nov 3, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Mertz #1001 | 8,500 | 41332786 |
| 727394Amendment | Nov 3, 2011 | Nov 3, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Mertz #1001 | 8,500 | 41332786 |
| 725400 | Oct 4, 2011 | Oct 4, 2011 | Highmount Expl & Prod Texas LLC | Sutton | Richardson 139 #10 | 8,450 | 43536674 |
| 725338 | Oct 3, 2011 | Oct 3, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #903HH | 14,830 | 10541341 |
| 725338Amendment | Oct 3, 2011 | Oct 3, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #903HH | 5,800 | 10541341 |
| 725054 | Sep 30, 2011 | Sep 30, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University 56 8 #2 | 8,100 | 10541338 |
| 725054Amendment | Sep 30, 2011 | Sep 30, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #802 | 8,100 | 10541338 |
| 725083 | Sep 29, 2011 | Sep 29, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University 55 23 #1 | 8,800 | 10541334 |
| 725083Amendment | Sep 29, 2011 | Sep 29, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #2301 | 8,800 | 10541334 |
| 725080 | Sep 29, 2011 | Sep 29, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University 56 11 #1 | 8,400 | 10541332 |
| 725080Amendment | Sep 29, 2011 | Sep 29, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #1101 | 8,400 | 10541332 |
| 725050 | Sep 29, 2011 | Sep 29, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University 55 24 #1 | 8,800 | 10541337 |
| 725050Amendment | Sep 29, 2011 | Sep 29, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University Unit #2401 | 8,800 | 10541337 |
| 725048 | Sep 28, 2011 | Sep 28, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Reynolds 25 #2 | 8,200 | 41332779 |
| 725048Amendment | Sep 28, 2011 | Sep 28, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Reynolds 25 #2 | 8,200 | 41332779 |
| 724614 | Sep 26, 2011 | Sep 26, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 55 10 #1 | 8,850 | 41332654 |
| 724568 | Sep 22, 2011 | Sep 22, 2011 | Highmount Expl & Prod Texas LLC | Sutton | Fisher 132 #3 | 8,000 | 43539371 |
| 724389 | Sep 20, 2011 | Sep 20, 2011 | Highmount Expl & Prod Texas LLC | Sutton | Bloodworth 139 #11 | 7,600 | 43539364 |
| 723892 | Sep 12, 2011 | Sep 12, 2011 | Highmount Expl & Prod Texas LLC | Hemphill | Urschel #6501 | 9,450 | 21134947 |
| 723892Amendment | Sep 12, 2011 | Sep 12, 2011 | Highmount Expl & Prod Texas LLC | Hemphill | Urschel #6501 | 9,450 | 21134947 |
| 723552 | Sep 8, 2011 | Sep 8, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 55 10 #5HH | 10,020 | 41332771 |
| 723552Amendment | Sep 8, 2011 | Sep 8, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 55 10 #5HH | 10,020 | 41332771 |
| 723552Amendment | Sep 8, 2011 | Sep 8, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 55 10 #5HH | 5,200 | 41332771 |
| 722945 | Sep 7, 2011 | Sep 7, 2011 | Highmount Expl & Prod Texas LLC | Sutton | Simmons Ranch #74 | 8,600 | 43536762 |
| 722015 | Aug 19, 2011 | Aug 19, 2011 | Highmount Expl & Prod Texas LLC | Sutton | Rimel #5 | 9,300 | 43538294 |
| 721683 | Aug 9, 2011 | Aug 9, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 54 24 #9HH | 10,317 | 41332770 |
| 721683Amendment | Aug 9, 2011 | Aug 9, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 54 24 #9HH | 10,317 | 41332770 |
| 721683Amendment | Aug 9, 2011 | Aug 9, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 54 24 #9HH | 10,317 | 41332770 |
| 720495 | Jul 21, 2011 | Jul 21, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano #2505 | 8,600 | 41332768 |
| 720478 | Jul 21, 2011 | Jul 21, 2011 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 40 #13 | 8,800 | 43539357 |
| 720170 | Jul 19, 2011 | Jul 19, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University 56 12 #2 | 8,500 | 10541300 |
| 720170Amendment | Jul 19, 2011 | Jul 19, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University 56 12 #2 | 8,500 | 10541300 |
| 720179 | Jul 18, 2011 | Jul 18, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 57 2 #2 | 8,500 | 41332767 |
| 720179Amendment | Jul 18, 2011 | Jul 18, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 57 2 #2 | 8,500 | 41332767 |
| 720186 | Jul 15, 2011 | Jul 15, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University 56 8 #1 | 8,400 | 10541301 |
| 720186Amendment | Jul 15, 2011 | Jul 15, 2011 | Highmount Expl & Prod Texas LLC | Crockett | University 56 8 #1 | 8,400 | 10541301 |
| 720183 | Jul 15, 2011 | Jul 15, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 55 1 #2 | 8,500 | 41332766 |
| 720183Amendment | Jul 15, 2011 | Jul 15, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 55 1 #2 | 8,500 | 41332766 |
| 720175 | Jul 15, 2011 | Jul 15, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 54 23 #2 | 8,500 | 41332765 |
| 720175Amendment | Jul 15, 2011 | Jul 15, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 54 23 #2 | 8,500 | 41332765 |
| 718791 | Jun 22, 2011 | Jun 22, 2011 | Highmount Expl & Prod Texas LLC | Schleicher | University 57 3 #4 | 8,600 | 41332760 |