| 654864 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Genini 39 #2143538873 | 8,975 |
| 654860 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Shurley RR IF #743538872 | 8,300 |
| 654857 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Genini 39 #1643538871 | 8,875 |
| 654857Amendment | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Genini 39 #1643538871 | 8,875 |
| 654848 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Shurley RR 1F #943538870 | 8,975 |
| 656759 | Mar 14, 2008 | Mar 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer,edwin S.jr. 'B" 38 #443538917 | 8,975 |
| 656742 | Mar 14, 2008 | Mar 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer,edwin S. Jr. "B" 38 #543538916 | 8,975 |
| 656691 | Mar 14, 2008 | Mar 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Meckel #9643538913 | 6,200 |
| 656689 | Mar 14, 2008 | Mar 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Meckel #9543538912 | 6,150 |
| 656726 | Mar 13, 2008 | Mar 13, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Steen #10043538915 | 6,075 |
| 656685 | Mar 13, 2008 | Mar 13, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Meckel #9443538911 | 6,325 |
| 656291 | Mar 11, 2008 | Mar 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Deberry-Berger Unit #2143538909 | 6,900 |
| 656227 | Mar 11, 2008 | Mar 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Hill-Mayer, Edwin S. Jr. F #643538907 | 8,350 |
| 656207 | Mar 11, 2008 | Mar 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Hill-Mayer, Edwin S. Jr. "Z" #843538908 | 8,250 |
| 656206 | Mar 11, 2008 | Mar 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer, Edwin S. Jr. "C" #30643538906 | 8,750 |
| 656354 | Mar 10, 2008 | Mar 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 41 #243538910 | 8,975 |
| 656354Amendment | Mar 10, 2008 | Mar 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 41 #243538910 | 8,975 |
| 656123 | Mar 7, 2008 | Mar 7, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Barton #1943538904 | 7,000 |
| 655882 | Mar 7, 2008 | Mar 7, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Hill-Mayer, Edwin S. Jr. "Z" #743538903 | 8,175 |
| 655794 | Mar 5, 2008 | Mar 5, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 33 #25HH43538901 | 7,200 |
| 655340 | Mar 4, 2008 | Mar 4, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #3143538892 | 6,600 |
| 655337 | Mar 4, 2008 | Mar 4, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #3043538891 | 6,700 |
| 655749 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Hill-Mayer Edwin S. Jr "B" #743538900 | 8,300 |
| 655744 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Hill-Mayer, Edwin S. Jr. "B" #643538902 | 8,400 |
| 655710 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch DD #280443538899 | 8,250 |
| 655264 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Johnson, Jerry #309143538890 | 9,875 |
| 653764 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Shurley RR 1D #343538858 | 7,350 |
| 650922 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch 114 #18S43538804 | 7,000 |
| 655416 | Feb 27, 2008 | Feb 27, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Hill-Mayer, Edwin S. Jr. "K" #743538898 | 8,200 |
| 655417 | Feb 26, 2008 | Feb 26, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Hill-Mayer, Edwin S. Jr. "K" #643538897 | 8,200 |
| 655233 | Feb 25, 2008 | Feb 25, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #3243538887 | 6,600 |
| 655228 | Feb 25, 2008 | Feb 25, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #3343538889 | 6,600 |
| 655227 | Feb 25, 2008 | Feb 25, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #3443538888 | 6,675 |
| 655015 | Feb 22, 2008 | Feb 22, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 56 #1543538884 | 6,215 |
| 654130 | Feb 22, 2008 | Feb 22, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 57 #1543538862 | 6,325 |
| 655017 | Feb 20, 2008 | Feb 20, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 57 #1343538885 | 6,250 |
| 655009 | Feb 20, 2008 | Feb 20, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 56 #1443538886 | 6,250 |
| 654877 | Feb 15, 2008 | Feb 15, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #2943538877 | 6,750 |
| 654877Amendment | Feb 15, 2008 | Feb 15, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #2943538877 | 6,675 |
| 654874 | Feb 15, 2008 | Feb 15, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #2843538876 | 6,750 |
| 654874Amendment | Feb 15, 2008 | Feb 15, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones 118 #2843538876 | 6,800 |
| 654153 | Feb 8, 2008 | Feb 8, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 56 #2143538868 | 6,250 |
| 654147 | Feb 8, 2008 | Feb 8, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 56 #1843538864 | 6,375 |
| 654146 | Feb 8, 2008 | Feb 8, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 57 #1743538865 | 6,300 |
| 654128 | Feb 8, 2008 | Feb 8, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 57 #1443538861 | 6,225 |
| 654176 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 23 #941332507 | 8,700 |
| 654150 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 56 #2043538867 | 6,300 |
| 654149 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 56 #1943538866 | 6,350 |
| 654144 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Espy 57 #1643538863 | 6,400 |
| 653918 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Crockett | University 56 22 #1010540548 | 8,995 |
| 652285 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Nobles Ranch a 71 #343538831 | 9,650 |
| 654112 | Feb 6, 2008 | Feb 6, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Powell #70341332506 | 8,650 |
| 654099 | Feb 6, 2008 | Feb 6, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones Ranch 156 #643538860 | 7,800 |
| 653245 | Feb 6, 2008 | Feb 6, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch #2192E13731705 | 7,500 |
| 654003 | Feb 5, 2008 | Feb 5, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Thorp #190243538859 | 10,750 |
| 653759 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Shannon 52 #2243538857 | 8,275 |
| 653754 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Shannon 52 #2143538856 | 8,275 |
| 653738 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones Ranch #31043538855 | 8,250 |
| 653728 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones Ranch #30943538854 | 8,250 |
| 652144 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Shurley RR 1C #743538833 | 8,600 |
| 653854 | Feb 2, 2008 | Feb 2, 2008 | Highmount Expl & Prod Texas LLC | Crockett | Univerity 56 19 #110540536 | 8,995 |
| 653833 | Feb 2, 2008 | Feb 2, 2008 | Highmount Expl & Prod Texas LLC | Crockett | University 56 18 #510540535 | 8,995 |
| 653107 | Feb 1, 2008 | Feb 1, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Davis F #1943538852 | 6,075 |
| 651900 | Jan 30, 2008 | Jan 30, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Brown-Whitehead 41 #543538817 | 9,650 |
| 651868 | Jan 30, 2008 | Jan 30, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Brown-Whitehead 41 #443538823 | 9,650 |
| 653346 | Jan 25, 2008 | Jan 25, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Davis #2143538853 | 6,475 |
| 653341 | Jan 25, 2008 | Jan 25, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 23 #1041332505 | 8,650 |
| 653096 | Jan 25, 2008 | Jan 25, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 125 #3543538848 | 7,250 |
| 653094 | Jan 25, 2008 | Jan 25, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 125 #3343538847 | 7,250 |
| 652891 | Jan 25, 2008 | Jan 25, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Oglesby 5 #341332504 | 8,650 |
| 653208 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Shannon 51 #1743538851 | 8,300 |
| 653205 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Shannon 51 #1843538850 | 8,275 |
| 653072 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 124 #2943538849 | 6,825 |
| 653068 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 124 #3243538846 | 6,975 |
| 653063 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 125 #3243538845 | 7,250 |
| 653058 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 125 #3043538844 | 7,250 |
| 652960 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 125 #3143538842 | 7,250 |
| 653059 | Jan 23, 2008 | Jan 23, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Morriss 62 #743538843 | 6,200 |
| 649562 | Jan 23, 2008 | Jan 23, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Bloodworth 7 #843538813 | 8,600 |
| 652961 | Jan 22, 2008 | Jan 22, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 125 #2943538841 | 7,250 |
| 652955 | Jan 22, 2008 | Jan 22, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 125 #2843538840 | 7,250 |
| 652503 | Jan 22, 2008 | Jan 22, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Ward John A #943538838 | 9,250 |
| 652945 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Morriss 63 #843538839 | 6,150 |
| 652877 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | University 54 24 #541332503 | 8,575 |
| 652506 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Ward, John "A" #1043538834 | 9,250 |
| 651977 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Whitehead 6 #743538825 | 9,450 |
| 651972 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Whitehead 6 #543538821 | 9,450 |
| 651967 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Whitehead 6 #443538822 | 9,450 |
| 651965 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Whitehead 6 #343538820 | 9,450 |
| 652561 | Jan 15, 2008 | Jan 15, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 35 #1043538837 | 8,725 |
| 652510 | Jan 15, 2008 | Jan 15, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Ward 114 #2543538835 | 9,250 |
| 652558 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 35 #943538836 | 8,730 |
| 650794 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke 189 #2743538800 | 9,250 |
| 650522 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #16E13731938 | 6,950 |
| 650520 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #15E13731937 | 6,950 |
| 650482 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke 171 #2843538794 | 8,750 |
| 650481 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke 171 #2743538793 | 8,950 |
| 650478 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke 171 #2643538792 | 8,975 |
| 650477 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke 171 #2543538791 | 8,650 |
| 650474 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke 171 #2443538790 | 8,700 |