| 690097Amendment | Jan 26, 2010 | Jan 26, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Mayfield, S. B. #34 | 3,950 | 13732051 |
| 689268 | Jan 26, 2010 | Jan 26, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch #9016E | 7,050 | 13732041 |
| 690112 | Jan 25, 2010 | Jan 25, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Mayfield SB #31 | 5,250 | 13732047 |
| 689991 | Jan 21, 2010 | Jan 21, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Sawyer 15 #8 | 7,700 | 43539263 |
| 689946 | Jan 21, 2010 | Jan 21, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 35 #15 | 8,900 | 43539262 |
| 689939 | Jan 21, 2010 | Jan 21, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 41 #7 | 8,900 | 43539261 |
| 689752 | Jan 15, 2010 | Jan 15, 2010 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Edwin S Jr E #13 | 8,650 | 41332623 |
| 689750 | Jan 15, 2010 | Jan 15, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Fawcett 130 #13 | 7,450 | 43539260 |
| 689707 | Jan 14, 2010 | Jan 14, 2010 | Highmount Expl & Prod Texas LLC | Schleicher | Rousselot Doris Mayer A #17 | 8,350 | 41332622 |
| 689698 | Jan 14, 2010 | Jan 14, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Sawyer 15 #7 | 7,750 | 43539259 |
| 689684 | Jan 14, 2010 | Jan 14, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Becker #302 | 8,900 | 43539258 |
| 688908 | Jan 13, 2010 | Jan 13, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 112 #11E | 7,150 | 13732039 |
| 689511 | Jan 12, 2010 | Jan 12, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Fawcett 130 #14 | 7,400 | 43539257 |
| 689476 | Jan 11, 2010 | Jan 11, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Lancaster 155 #11 | 6,850 | 43539256 |
| 689482 | Jan 8, 2010 | Jan 8, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch #9110E | 7,100 | 13732046 |
| 689461 | Jan 8, 2010 | Jan 8, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Mayer, Edwin S. Jr. "B" 38 #8 | 8,900 | 43539255 |
| 689420 | Jan 8, 2010 | Jan 8, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Kelly 125 #37 | 7,200 | 43539253 |
| 689368 | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch #907E | 7,050 | 13732045 |
| 689366 | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Sawyer-Jones #1402 | 7,800 | 43539252 |
| 689366Amendment | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Sawyer-Jones #1402 | 8,800 | 43539252 |
| 689365 | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch #911E | 7,050 | 13732044 |
| 689336 | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Edwin S Jr E #30 | 8,600 | 41332620 |
| 689336Amendment | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Edwin S Jr E #30 | 8,600 | 41332620 |
| 689213 | Jan 6, 2010 | Jan 6, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Mittel, R. H. #17 | 7,240 | 43539249 |
| 689317 | Jan 5, 2010 | Jan 5, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Lancaster 155 #10 | 6,850 | 43539251 |
| 689271 | Jan 5, 2010 | Jan 5, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch #9111E | 7,050 | 13732042 |
| 689248 | Jan 5, 2010 | Jan 5, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 112 #13E | 7,050 | 13732040 |
| 689195 | Jan 5, 2010 | Jan 5, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Shannon 52 #23 | 8,350 | 43539248 |
| 689255 | Jan 4, 2010 | Jan 4, 2010 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano #1601 | 8,800 | 41332619 |
| 689255Amendment | Jan 4, 2010 | Jan 4, 2010 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano #1601 | 8,800 | 41332619 |
| 689255Amendment | Jan 4, 2010 | Jan 4, 2010 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano #1601 | 9,400 | 41332619 |
| 689255Amendment | Jan 4, 2010 | Jan 4, 2010 | Highmount Expl & Prod Texas LLC | Schleicher | Marigliano #1601 | 9,400 | 41332619 |
| 689247 | Jan 4, 2010 | Jan 4, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Sawyer-Jones 190 #13 | 9,200 | 43539250 |
| 689247Amendment | Jan 4, 2010 | Jan 4, 2010 | Highmount Expl & Prod Texas LLC | Sutton | Sawyer-Jones 190 #13 | 9,200 | 43539250 |
| 688404 | Jan 4, 2010 | Jan 4, 2010 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch #9013E | 7,350 | 13732038 |
| 689014 | Dec 31, 2009 | Dec 31, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Nolen Partners A #1191 | 7,260 | 41332618 |
| 689161 | Dec 30, 2009 | Dec 30, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Diebitsch 70 #17 | 8,400 | 43539247 |
| 688743 | Dec 29, 2009 | Dec 29, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Atkins Andrews 119 #9 | 7,250 | 41332616 |
| 689007 | Dec 28, 2009 | Dec 28, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Edwin S Jr N #18 | 8,800 | 41332617 |
| 688713 | Dec 21, 2009 | Dec 21, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Jeffers, AR #9 | 8,500 | 41332615 |
| 688756 | Dec 17, 2009 | Dec 17, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Nicks Gerald 5 #12 | 8,950 | 43539246 |
| 688354 | Dec 17, 2009 | Dec 17, 2009 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 113 #12E | 6,950 | 13732037 |
| 688362 | Dec 14, 2009 | Dec 14, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Hill-Rousselot "B" #2 | 8,725 | 41332614 |
| 688357 | Dec 10, 2009 | Dec 10, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 3 #2 | 8,400 | 43539245 |
| 688121 | Dec 8, 2009 | Dec 8, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Edwin S Jr N #15 | 8,950 | 41332613 |
| 688164 | Dec 4, 2009 | Dec 4, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mittel, R.H. #6 | 7,250 | 43539244 |
| 688138 | Dec 3, 2009 | Dec 3, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mittel #1272 | 7,150 | 43539243 |
| 688138Amendment | Dec 3, 2009 | Dec 3, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mittel #1272 | 7,150 | 43539243 |
| 687999 | Dec 3, 2009 | Dec 3, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 3 #4 | 8,350 | 43539238 |
| 688057 | Dec 2, 2009 | Dec 2, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Holman #2611 | 7,300 | 43539242 |
| 687881 | Dec 2, 2009 | Dec 2, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Cauthorn 17 #6 | 7,500 | 43539239 |
| 687879 | Dec 2, 2009 | Dec 2, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 40 #6 | 8,650 | 43539240 |
| 687875 | Dec 2, 2009 | Dec 2, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Edwin S Jr N #16 | 8,975 | 41332612 |
| 688050 | Dec 1, 2009 | Dec 1, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke #3417 | 7,000 | 43539241 |
| 688050Amendment | Dec 1, 2009 | Dec 1, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke #3417 | 7,000 | 43539241 |
| 687991 | Nov 30, 2009 | Nov 30, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Nolen Partners A #1281 | 7,200 | 41332611 |
| 687976 | Nov 30, 2009 | Nov 30, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Reinhardt 6 #17 | 4,200 | 43539237 |
| 687903 | Nov 25, 2009 | Nov 25, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Meador 178 #11 | 4,300 | 41332610 |
| 687886 | Nov 25, 2009 | Nov 25, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Deberry Heirs #14 | 6,800 | 43539236 |
| 687864 | Nov 25, 2009 | Nov 25, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Cauthorn Ranch 134 #3 | 8,000 | 43539235 |
| 687497 | Nov 24, 2009 | Nov 24, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke 177 #10 | 9,100 | 43539234 |
| 687477 | Nov 23, 2009 | Nov 23, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 36 #2 | 8,750 | 43539233 |
| 687531 | Nov 18, 2009 | Nov 18, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Holman #2610 | 7,650 | 43539232 |
| 687346 | Nov 18, 2009 | Nov 18, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Deberry Heirs #15 | 7,050 | 43539231 |
| 687180 | Nov 16, 2009 | Nov 16, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Holman 25 #3 | 7,650 | 43539230 |
| 687144 | Nov 16, 2009 | Nov 16, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 35 #16 | 8,950 | 43539229 |
| 687144Amendment | Nov 16, 2009 | Nov 16, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 35 #16 | 8,950 | 43539229 |
| 687061 | Nov 12, 2009 | Nov 12, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke #1537 | 7,500 | 43539228 |
| 687037 | Nov 12, 2009 | Nov 12, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 40 #5 | 8,550 | 43539227 |
| 686964 | Nov 9, 2009 | Nov 9, 2009 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #804 | 6,250 | 13732035 |
| 686867 | Nov 9, 2009 | Nov 9, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mayer Ranch 35 #17 | 8,800 | 43539226 |
| 687032 | Nov 6, 2009 | Nov 6, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer Edwin S Jr N #17 | 8,950 | 41332607 |
| 686826 | Nov 6, 2009 | Nov 6, 2009 | Highmount Expl & Prod Texas LLC | Edwards | Hough 12 #2 | 6,250 | 13732034 |
| 686386 | Oct 21, 2009 | Oct 21, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke #3416 | 6,950 | 43539225 |
| 686341 | Oct 20, 2009 | Oct 20, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Wilson Duke #3409 | 7,000 | 43539224 |
| 686035 | Oct 20, 2009 | Oct 20, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Shurley #164 | 6,450 | 43539220 |
| 686196 | Oct 16, 2009 | Oct 16, 2009 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #106 | 6,250 | 13732029 |
| 686178 | Oct 16, 2009 | Oct 16, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Lancaster 155 #8 | 7,800 | 43539223 |
| 686112 | Oct 15, 2009 | Oct 15, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Ward #80 | 7,850 | 43539221 |
| 686111 | Oct 14, 2009 | Oct 14, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Lancaster 155 #9 | 7,800 | 43539222 |
| 685926 | Oct 8, 2009 | Oct 8, 2009 | Highmount Expl & Prod Texas LLC | Edwards | Mitchell #105 | 6,250 | 13732028 |
| 685711 | Oct 1, 2009 | Oct 1, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Ryan #2203 | 8,800 | 41332605 |
| 685660 | Sep 30, 2009 | Sep 30, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Ryan #2205 | 8,750 | 41332604 |
| 685606 | Sep 29, 2009 | Sep 29, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Jeffers, AR #8 | 8,650 | 41332603 |
| 685606Amendment | Sep 29, 2009 | Sep 29, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Jeffers, AR #8 | 8,650 | 41332603 |
| 685585 | Sep 29, 2009 | Sep 29, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch 127 #10S | 6,570 | 43539219 |
| 685177 | Sep 28, 2009 | Sep 28, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer, Edwin S. Jr. "R" #4 | 8,600 | 41332599 |
| 685177Amendment | Sep 28, 2009 | Sep 28, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer, Edwin S. Jr. "R" #4 | 8,600 | 41332599 |
| 685422 | Sep 23, 2009 | Sep 23, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #1279S | 6,750 | 43539218 |
| 685410 | Sep 23, 2009 | Sep 23, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Canyon Ranch #1274S | 6,750 | 43539217 |
| 685328 | Sep 22, 2009 | Sep 22, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mittel, R.H. #15 | 7,300 | 43539216 |
| 685325 | Sep 21, 2009 | Sep 21, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Atkins 119 #8 | 7,400 | 41332602 |
| 685311 | Sep 21, 2009 | Sep 21, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Jeffers 18 #5 | 8,600 | 41332601 |
| 685249 | Sep 21, 2009 | Sep 21, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Atkins 119 #4 | 7,350 | 41332600 |
| 685244 | Sep 21, 2009 | Sep 21, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mittel, R.H. #16 | 7,450 | 43539215 |
| 685137 | Sep 16, 2009 | Sep 16, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Simmons 3 #12 | 8,350 | 43539214 |
| 685126 | Sep 15, 2009 | Sep 15, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Mrs May M Ray #5 | 9,700 | 43539213 |
| 685069 | Sep 14, 2009 | Sep 14, 2009 | Highmount Expl & Prod Texas LLC | Sutton | Hill - May M Ray "I " #3 | 9,550 | 43539212 |
| 683853 | Sep 10, 2009 | Sep 10, 2009 | Highmount Expl & Prod Texas LLC | Edwards | Canyon Ranch 112 #12E | 7,150 | 13732023 |
| 684623 | Sep 1, 2009 | Sep 1, 2009 | Highmount Expl & Prod Texas LLC | Schleicher | Mayer, Edwin S. Jr. "B" #303 | 8,400 | 41332597 |