| 654942 | Mar 20, 2008 | Mar 20, 2008 | Highmount Expl & Prod Texas LLC | Shurley RR 4B #5 | 7,800 | 43538882 |
| 654913 | Mar 20, 2008 | Mar 20, 2008 | Highmount Expl & Prod Texas LLC | Genini 31 #25 | 8,550 | 43538879 |
| 654911 | Mar 20, 2008 | Mar 20, 2008 | Highmount Expl & Prod Texas LLC | Genini 31 #24 | 8,525 | 43538881 |
| 654910 | Mar 20, 2008 | Mar 20, 2008 | Highmount Expl & Prod Texas LLC | Genini #3122 | 8,575 | 43538880 |
| 654908 | Mar 20, 2008 | Mar 20, 2008 | Highmount Expl & Prod Texas LLC | Genini 31 #21 | 8,550 | 43538878 |
| 654466 | Mar 19, 2008 | Mar 19, 2008 | Highmount Expl & Prod Texas LLC | Davis D #18 | 6,325 | 43538869 |
| 656810 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Hudspeth 2 #2 | 8,950 | 43538919 |
| 654873 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Genini 39 #25 | 8,975 | 43538875 |
| 654873Amendment | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Genini 39 #25 | 8,975 | 43538875 |
| 654872 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Genini 39 #22 | 8,995 | 43538874 |
| 654864 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Genini 39 #21 | 8,975 | 43538873 |
| 654860 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Shurley RR IF #7 | 8,300 | 43538872 |
| 654857 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Genini 39 #16 | 8,875 | 43538871 |
| 654857Amendment | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Genini 39 #16 | 8,875 | 43538871 |
| 654848 | Mar 17, 2008 | Mar 17, 2008 | Highmount Expl & Prod Texas LLC | Shurley RR 1F #9 | 8,975 | 43538870 |
| 656759 | Mar 14, 2008 | Mar 14, 2008 | Highmount Expl & Prod Texas LLC | Mayer,edwin S.jr. 'B" 38 #4 | 8,975 | 43538917 |
| 656742 | Mar 14, 2008 | Mar 14, 2008 | Highmount Expl & Prod Texas LLC | Mayer,edwin S. Jr. "B" 38 #5 | 8,975 | 43538916 |
| 656691 | Mar 14, 2008 | Mar 14, 2008 | Highmount Expl & Prod Texas LLC | Meckel #96 | 6,200 | 43538913 |
| 656689 | Mar 14, 2008 | Mar 14, 2008 | Highmount Expl & Prod Texas LLC | Meckel #95 | 6,150 | 43538912 |
| 656726 | Mar 13, 2008 | Mar 13, 2008 | Highmount Expl & Prod Texas LLC | Steen #100 | 6,075 | 43538915 |
| 656685 | Mar 13, 2008 | Mar 13, 2008 | Highmount Expl & Prod Texas LLC | Meckel #94 | 6,325 | 43538911 |
| 657002 | Mar 11, 2008 | Mar 11, 2008 | KCS Resources, Inc. | Espy, H. T. -A- #4 | 6,000 | 43538918 |
| 656291 | Mar 11, 2008 | Mar 11, 2008 | Highmount Expl & Prod Texas LLC | Deberry-Berger Unit #21 | 6,900 | 43538909 |
| 656227 | Mar 11, 2008 | Mar 11, 2008 | Highmount Expl & Prod Texas LLC | Hill-Mayer, Edwin S. Jr. F #6 | 8,350 | 43538907 |
| 656207 | Mar 11, 2008 | Mar 11, 2008 | Highmount Expl & Prod Texas LLC | Hill-Mayer, Edwin S. Jr. "Z" #8 | 8,250 | 43538908 |
| 656206 | Mar 11, 2008 | Mar 11, 2008 | Highmount Expl & Prod Texas LLC | Mayer, Edwin S. Jr. "C" #306 | 8,750 | 43538906 |
| 656354 | Mar 10, 2008 | Mar 10, 2008 | Highmount Expl & Prod Texas LLC | Mayer Ranch 41 #2 | 8,975 | 43538910 |
| 656354Amendment | Mar 10, 2008 | Mar 10, 2008 | Highmount Expl & Prod Texas LLC | Mayer Ranch 41 #2 | 8,975 | 43538910 |
| 656123 | Mar 7, 2008 | Mar 7, 2008 | Highmount Expl & Prod Texas LLC | Barton #19 | 7,000 | 43538904 |
| 655882 | Mar 7, 2008 | Mar 7, 2008 | Highmount Expl & Prod Texas LLC | Hill-Mayer, Edwin S. Jr. "Z" #7 | 8,175 | 43538903 |
| 655794 | Mar 5, 2008 | Mar 5, 2008 | Highmount Expl & Prod Texas LLC | Mayfield 33 #25HH | 7,200 | 43538901 |
| 655340 | Mar 4, 2008 | Mar 4, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #31 | 6,600 | 43538892 |
| 655337 | Mar 4, 2008 | Mar 4, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #30 | 6,700 | 43538891 |
| 655749 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Hill-Mayer Edwin S. Jr "B" #7 | 8,300 | 43538900 |
| 655744 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Hill-Mayer, Edwin S. Jr. "B" #6 | 8,400 | 43538902 |
| 655710 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Mayer Ranch DD #2804 | 8,250 | 43538899 |
| 655264 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Johnson, Jerry #3091 | 9,875 | 43538890 |
| 653764 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Shurley RR 1D #3 | 7,350 | 43538858 |
| 650922 | Feb 28, 2008 | Feb 28, 2008 | Highmount Expl & Prod Texas LLC | Canyon Ranch 114 #18S | 7,000 | 43538804 |
| 655416 | Feb 27, 2008 | Feb 27, 2008 | Highmount Expl & Prod Texas LLC | Hill-Mayer, Edwin S. Jr. "K" #7 | 8,200 | 43538898 |
| 655417 | Feb 26, 2008 | Feb 26, 2008 | Highmount Expl & Prod Texas LLC | Hill-Mayer, Edwin S. Jr. "K" #6 | 8,200 | 43538897 |
| 655233 | Feb 25, 2008 | Feb 25, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #32 | 6,600 | 43538887 |
| 655228 | Feb 25, 2008 | Feb 25, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #33 | 6,600 | 43538889 |
| 655227 | Feb 25, 2008 | Feb 25, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #34 | 6,675 | 43538888 |
| 655015 | Feb 22, 2008 | Feb 22, 2008 | Highmount Expl & Prod Texas LLC | Espy 56 #15 | 6,215 | 43538884 |
| 654130 | Feb 22, 2008 | Feb 22, 2008 | Highmount Expl & Prod Texas LLC | Espy 57 #15 | 6,325 | 43538862 |
| 655017 | Feb 20, 2008 | Feb 20, 2008 | Highmount Expl & Prod Texas LLC | Espy 57 #13 | 6,250 | 43538885 |
| 655009 | Feb 20, 2008 | Feb 20, 2008 | Highmount Expl & Prod Texas LLC | Espy 56 #14 | 6,250 | 43538886 |
| 654877 | Feb 15, 2008 | Feb 15, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #29 | 6,750 | 43538877 |
| 654877Amendment | Feb 15, 2008 | Feb 15, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #29 | 6,675 | 43538877 |
| 654874 | Feb 15, 2008 | Feb 15, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #28 | 6,750 | 43538876 |
| 654874Amendment | Feb 15, 2008 | Feb 15, 2008 | Highmount Expl & Prod Texas LLC | Jones 118 #28 | 6,800 | 43538876 |
| 654153 | Feb 8, 2008 | Feb 8, 2008 | Highmount Expl & Prod Texas LLC | Espy 56 #21 | 6,250 | 43538868 |
| 654147 | Feb 8, 2008 | Feb 8, 2008 | Highmount Expl & Prod Texas LLC | Espy 56 #18 | 6,375 | 43538864 |
| 654146 | Feb 8, 2008 | Feb 8, 2008 | Highmount Expl & Prod Texas LLC | Espy 57 #17 | 6,300 | 43538865 |
| 654128 | Feb 8, 2008 | Feb 8, 2008 | Highmount Expl & Prod Texas LLC | Espy 57 #14 | 6,225 | 43538861 |
| 654150 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Espy 56 #20 | 6,300 | 43538867 |
| 654149 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Espy 56 #19 | 6,350 | 43538866 |
| 654144 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Espy 57 #16 | 6,400 | 43538863 |
| 652285 | Feb 7, 2008 | Feb 7, 2008 | Highmount Expl & Prod Texas LLC | Nobles Ranch a 71 #3 | 9,650 | 43538831 |
| 654099 | Feb 6, 2008 | Feb 6, 2008 | Highmount Expl & Prod Texas LLC | Jones Ranch 156 #6 | 7,800 | 43538860 |
| 654003 | Feb 5, 2008 | Feb 5, 2008 | Highmount Expl & Prod Texas LLC | Thorp #1902 | 10,750 | 43538859 |
| 653759 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Shannon 52 #22 | 8,275 | 43538857 |
| 653754 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Shannon 52 #21 | 8,275 | 43538856 |
| 653738 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Jones Ranch #310 | 8,250 | 43538855 |
| 653728 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Jones Ranch #309 | 8,250 | 43538854 |
| 652144 | Feb 4, 2008 | Feb 4, 2008 | Highmount Expl & Prod Texas LLC | Shurley RR 1C #7 | 8,600 | 43538833 |
| 653107 | Feb 1, 2008 | Feb 1, 2008 | Highmount Expl & Prod Texas LLC | Davis F #19 | 6,075 | 43538852 |
| 651900 | Jan 30, 2008 | Jan 30, 2008 | Highmount Expl & Prod Texas LLC | Brown-Whitehead 41 #5 | 9,650 | 43538817 |
| 651868 | Jan 30, 2008 | Jan 30, 2008 | Highmount Expl & Prod Texas LLC | Brown-Whitehead 41 #4 | 9,650 | 43538823 |
| 653346 | Jan 25, 2008 | Jan 25, 2008 | Highmount Expl & Prod Texas LLC | Davis #21 | 6,475 | 43538853 |
| 653096 | Jan 25, 2008 | Jan 25, 2008 | Highmount Expl & Prod Texas LLC | Kelly 125 #35 | 7,250 | 43538848 |
| 653094 | Jan 25, 2008 | Jan 25, 2008 | Highmount Expl & Prod Texas LLC | Kelly 125 #33 | 7,250 | 43538847 |
| 653208 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Shannon 51 #17 | 8,300 | 43538851 |
| 653205 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Shannon 51 #18 | 8,275 | 43538850 |
| 653072 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Kelly 124 #29 | 6,825 | 43538849 |
| 653068 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Kelly 124 #32 | 6,975 | 43538846 |
| 653063 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Kelly 125 #32 | 7,250 | 43538845 |
| 653058 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Kelly 125 #30 | 7,250 | 43538844 |
| 652960 | Jan 24, 2008 | Jan 24, 2008 | Highmount Expl & Prod Texas LLC | Kelly 125 #31 | 7,250 | 43538842 |
| 653059 | Jan 23, 2008 | Jan 23, 2008 | Highmount Expl & Prod Texas LLC | Morriss 62 #7 | 6,200 | 43538843 |
| 649562 | Jan 23, 2008 | Jan 23, 2008 | Highmount Expl & Prod Texas LLC | Bloodworth 7 #8 | 8,600 | 43538813 |
| 652961 | Jan 22, 2008 | Jan 22, 2008 | Highmount Expl & Prod Texas LLC | Kelly 125 #29 | 7,250 | 43538841 |
| 652955 | Jan 22, 2008 | Jan 22, 2008 | Highmount Expl & Prod Texas LLC | Kelly 125 #28 | 7,250 | 43538840 |
| 652503 | Jan 22, 2008 | Jan 22, 2008 | Highmount Expl & Prod Texas LLC | Ward John A #9 | 9,250 | 43538838 |
| 652945 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Morriss 63 #8 | 6,150 | 43538839 |
| 652506 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Ward, John "A" #10 | 9,250 | 43538834 |
| 651977 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Whitehead 6 #7 | 9,450 | 43538825 |
| 651972 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Whitehead 6 #5 | 9,450 | 43538821 |
| 651967 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Whitehead 6 #4 | 9,450 | 43538822 |
| 651965 | Jan 17, 2008 | Jan 17, 2008 | Highmount Expl & Prod Texas LLC | Whitehead 6 #3 | 9,450 | 43538820 |
| 652561 | Jan 15, 2008 | Jan 15, 2008 | Highmount Expl & Prod Texas LLC | Mayer Ranch 35 #10 | 8,725 | 43538837 |
| 652510 | Jan 15, 2008 | Jan 15, 2008 | Highmount Expl & Prod Texas LLC | Ward 114 #25 | 9,250 | 43538835 |
| 652558 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Mayer Ranch 35 #9 | 8,730 | 43538836 |
| 650794 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Wilson Duke 189 #27 | 9,250 | 43538800 |
| 650482 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #28 | 8,750 | 43538794 |
| 650481 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #27 | 8,950 | 43538793 |
| 650478 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #26 | 8,975 | 43538792 |
| 650477 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #25 | 8,650 | 43538791 |
| 650474 | Jan 14, 2008 | Jan 14, 2008 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #24 | 8,700 | 43538790 |