| 675982 | Dec 11, 2008 | Dec 11, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 4 #3 | 8,750 | 41332574 |
| 672061Amendment | Dec 11, 2008 | Dec 11, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #104 | 6,250 | 13731996 |
| 675918 | Dec 9, 2008 | Dec 9, 2008 | Highmount Expl & Prod Texas LLC | Crockett | University 56-22 #7 | 8,995 | 10540932 |
| 675797 | Dec 5, 2008 | Dec 5, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer, Edwin S. Jr. N #12 | 8,800 | 41332572 |
| 675732 | Dec 4, 2008 | Dec 4, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch 126 #19S | 7,250 | 43539137 |
| 675366 | Dec 3, 2008 | Dec 3, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch #121E | 7,400 | 13731707 |
| 675410 | Nov 25, 2008 | Nov 25, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Fawcett 131 #3 | 8,800 | 43539352 |
| 675155 | Nov 21, 2008 | Nov 21, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Fields 20 #7RD | 7,600 | 43539135 |
| 674849 | Nov 21, 2008 | Nov 21, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch "DD" #2805 | 8,450 | 43539134 |
| 674549 | Nov 19, 2008 | Nov 19, 2008 | Highmount Expl & Prod Texas LLC | Crockett | University 56 18 #7 | 8,975 | 10540910 |
| 674845 | Nov 17, 2008 | Nov 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch "40" #9 | 8,850 | 43539133 |
| 674468 | Nov 14, 2008 | Nov 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Ward 114 #26X | 8,250 | 43539132 |
| 672988 | Nov 14, 2008 | Nov 14, 2008 | Highmount Expl & Prod Texas LLC | Crockett | Childress 15 #3 | 8,950 | 10540894 |
| 670893 | Oct 28, 2008 | Oct 28, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #2163S | 7,250 | 43539131 |
| 671406 | Oct 24, 2008 | Oct 24, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Oglesby 5 #4 | 8,650 | 41332567 |
| 673347 | Oct 22, 2008 | Oct 22, 2008 | Highmount Expl & Prod Texas LLC | Crockett | Savell 119 #1 | 11,500 | 10540901 |
| 673347Amendment | Oct 22, 2008 | Oct 22, 2008 | Highmount Expl & Prod Texas LLC | Crockett | Savell 119 #1 | 11,500 | 10540901 |
| 672918 | Oct 17, 2008 | Oct 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch "CC" #2704 | 8,500 | 43539125 |
| 672913 | Oct 17, 2008 | Oct 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch "BB" #2603 | 8,300 | 43539126 |
| 672911 | Oct 17, 2008 | Oct 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 3 #5 | 8,450 | 43539124 |
| 672436 | Oct 17, 2008 | Oct 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch 114 #20S | 7,475 | 43539130 |
| 672909 | Oct 16, 2008 | Oct 16, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Lancaster 185 #5 | 8,475 | 43539123 |
| 672062 | Oct 15, 2008 | Oct 15, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #102 | 5,850 | 13731995 |
| 672062Amendment | Oct 15, 2008 | Oct 15, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #102 | 6,000 | 13731995 |
| 672628 | Oct 14, 2008 | Oct 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Epps, H.C. #39 #14 | 7,500 | 43539119 |
| 672553 | Oct 14, 2008 | Oct 14, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #19E | 7,350 | 13731999 |
| 672439 | Oct 14, 2008 | Oct 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch 114 #21S | 7,400 | 43539122 |
| 672378 | Oct 14, 2008 | Oct 14, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Epps, H. C. #49 #4 | 7,150 | 43539111 |
| 672061 | Oct 14, 2008 | Oct 14, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #104 | 5,800 | 13731996 |
| 672711 | Oct 13, 2008 | Oct 13, 2008 | Highmount Expl & Prod Texas LLC | Crockett | Sudderth B #2 | 9,850 | 10540880 |
| 672681 | Oct 13, 2008 | Oct 13, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 72.5 #5 | 8,375 | 43539121 |
| 672559 | Oct 13, 2008 | Oct 13, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Sawyer Jones #1711 | 9,250 | 43539118 |
| 672541 | Oct 13, 2008 | Oct 13, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch 114 #19S | 7,500 | 43539115 |
| 672557 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #8317S | 5,950 | 43539117 |
| 672556 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #8318S | 5,950 | 43539116 |
| 672555 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #20E | 6,850 | 13732000 |
| 672555Amendment | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #20E | 7,200 | 13732000 |
| 672552 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #18E | 6,950 | 13731998 |
| 672552Amendment | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #18E | 7,200 | 13731998 |
| 672549 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #17E | 6,950 | 13731997 |
| 672549Amendment | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 107 #17E | 7,200 | 13731997 |
| 672410 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Holman #268 | 7,250 | 43539114 |
| 672408 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Epps, HC # 39 #9 | 7,050 | 43539112 |
| 672408Amendment | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Epps, HC # 39 #9 | 7,050 | 43539112 |
| 672407 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Cauthorn 16 #6 | 7,200 | 43539113 |
| 672379 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Epps, H.C. #49 #5 | 7,050 | 43539110 |
| 672324 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Epps, H.C. #38 #10 | 7,350 | 43539108 |
| 672307 | Oct 11, 2008 | Oct 11, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Cauthorn 16 #7 | 7,150 | 43539107 |
| 672654 | Oct 10, 2008 | Oct 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 72.5 #4 | 8,375 | 43539120 |
| 669878 | Oct 10, 2008 | Oct 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #1277S | 7,000 | 43539083 |
| 669876 | Oct 10, 2008 | Oct 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #1276S | 7,000 | 43539082 |
| 672063 | Oct 9, 2008 | Oct 9, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Stewart #3014 | 5,750 | 43539106 |
| 672059 | Oct 8, 2008 | Oct 8, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Holman #266 | 7,800 | 43539105 |
| 672059Amendment | Oct 8, 2008 | Oct 8, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Holman #266 | 7,800 | 43539105 |
| 671833 | Oct 6, 2008 | Oct 6, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 4 #2 | 8,900 | 41332568 |
| 671826 | Oct 6, 2008 | Oct 6, 2008 | Highmount Expl & Prod Texas LLC | Crockett | University 56 19 #7 | 8,975 | 10540873 |
| 671820 | Oct 4, 2008 | Oct 4, 2008 | Highmount Expl & Prod Texas LLC | Crockett | University 56 22 #15 | 8,950 | 10540872 |
| 671387 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 40 #24 | 8,750 | 43539103 |
| 671386 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 40 #23 | 8,710 | 43539104 |
| 671368 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Morriss 82 #8 | 6,400 | 43539102 |
| 671326 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 40 #22 | 8,700 | 43539101 |
| 671295 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 46 #30 | 8,625 | 43539100 |
| 671294 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 46 #29 | 8,650 | 43539099 |
| 671291 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 46 #28 | 8,700 | 43539097 |
| 671290 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 46 #27 | 8,650 | 43539096 |
| 671289 | Oct 3, 2008 | Oct 3, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Mayfield 46 #26 | 8,700 | 43539098 |
| 671319 | Oct 2, 2008 | Oct 2, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #803 | 5,250 | 13731987 |
| 671319Amendment | Oct 2, 2008 | Oct 2, 2008 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #803 | 6,250 | 13731987 |
| 671067 | Oct 2, 2008 | Oct 2, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Pfluger 85 #21 | 7,950 | 43539093 |
| 671217 | Oct 1, 2008 | Oct 1, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones Ranch 157 #1 | 7,550 | 43539095 |
| 671217Amendment | Oct 1, 2008 | Oct 1, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Jones Ranch 157 #1 | 7,550 | 43539095 |
| 671157 | Sep 30, 2008 | Sep 30, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 3 #11 | 8,500 | 43539094 |
| 671000 | Sep 30, 2008 | Sep 30, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Ryan #2206 | 8,975 | 41332562 |
| 671009 | Sep 26, 2008 | Sep 26, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Lancaster 185 #4 | 8,450 | 43539092 |
| 671009Amendment | Sep 26, 2008 | Sep 26, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Lancaster 185 #4 | 8,450 | 43539092 |
| 670956 | Sep 26, 2008 | Sep 26, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Nicks,gerald 8 #4 | 8,850 | 43539091 |
| 670907 | Sep 26, 2008 | Sep 26, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Powell 3 #2 | 8,550 | 41332561 |
| 670892 | Sep 26, 2008 | Sep 26, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #2164S | 7,250 | 43539090 |
| 670708 | Sep 25, 2008 | Sep 25, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #2073S | 7,250 | 43539089 |
| 670577 | Sep 23, 2008 | Sep 23, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | University 54 17 #7 | 8,600 | 41332559 |
| 670575 | Sep 23, 2008 | Sep 23, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | University 54 17 #5 | 8,700 | 41332560 |
| 670432 | Sep 19, 2008 | Sep 19, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Meador 57 #7 | 8,300 | 41332558 |
| 670428 | Sep 19, 2008 | Sep 19, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Meador 57 #4 | 8,300 | 41332557 |
| 670135 | Sep 17, 2008 | Sep 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Stewart #3015 | 5,750 | 43539087 |
| 670100 | Sep 17, 2008 | Sep 17, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Stewart #3016 | 5,750 | 43539086 |
| 670078 | Sep 16, 2008 | Sep 16, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Stewart #3012 | 5,750 | 43539088 |
| 670074 | Sep 16, 2008 | Sep 16, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Stewart #3013 | 5,750 | 43539085 |
| 669960 | Sep 16, 2008 | Sep 16, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Cusenbary 58 #10 | 6,250 | 43539084 |
| 669681 | Sep 15, 2008 | Sep 15, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch SWD #115 | 8,450 | 43539081 |
| 669509 | Sep 12, 2008 | Sep 12, 2008 | Highmount Expl & Prod Texas LLC | Schleicher | Atkins 119 #3X | 7,550 | 41332554 |
| 669162 | Sep 12, 2008 | Sep 12, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 72 #18 | 8,550 | 43539075 |
| 669162Amendment | Sep 12, 2008 | Sep 12, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 72 #18 | 8,550 | 43539075 |
| 669387 | Sep 10, 2008 | Sep 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Ward 127 #20 | 8,700 | 43539078 |
| 669174 | Sep 10, 2008 | Sep 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 71 #17 | 8,550 | 43539077 |
| 669169 | Sep 10, 2008 | Sep 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 71 #15 | 8,550 | 43539079 |
| 669157 | Sep 10, 2008 | Sep 10, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 72 #17 | 8,600 | 43539080 |
| 667707 | Sep 9, 2008 | Sep 9, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Bloodworth 140 #9 | 8,750 | 43539069 |
| 669407 | Sep 8, 2008 | Sep 8, 2008 | Highmount Expl & Prod Texas LLC | Crockett | University 56 19 #8 | 8,995 | 10540836 |
| 669166 | Sep 6, 2008 | Sep 6, 2008 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 71 #16 | 8,550 | 43539076 |
| 668965 | Sep 4, 2008 | Sep 4, 2008 | Highmount Expl & Prod Texas LLC | Crockett | University 56 19 #5 | 8,995 | 10540827 |