| 759518 | Apr 9, 2013 | Apr 9, 2013 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #15 | 6,000 | 43536755 |
| 759170 | Apr 3, 2013 | Apr 3, 2013 | Highmount Expl & Prod Texas LLC | Bloodworth 139 #8 | 8,350 | 43534961 |
| 759259 | Apr 2, 2013 | Apr 2, 2013 | Highmount Expl & Prod Texas LLC | Duke Wilson 21 #16 | 8,800 | 43538226 |
| 759182 | Mar 29, 2013 | Mar 29, 2013 | Highmount Expl & Prod Texas LLC | Randee Fawcett Trust #19 | 7,600 | 43537270 |
| 759123 | Mar 21, 2013 | Mar 21, 2013 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #330 | 3,999 | 43539413 |
| 755488 | Jan 30, 2013 | Jan 30, 2013 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #414HH | 3,999 | 43539378 |
| 755488 | Jan 30, 2013 | Jan 30, 2013 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #414HH | 3,999 | 43539378 |
| 749814 | Oct 19, 2012 | Oct 19, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #21HH | 3,999 | 43510225 |
| 746215 | Aug 31, 2012 | Aug 31, 2012 | Byrd Operating Company | Florence Hamill 26 #3 | 6,185 | 43534875 |
| 744861 | Jul 26, 2012 | Jul 26, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #417 | 3,999 | 43539409 |
| 744861 | Jul 26, 2012 | Jul 26, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #417 | 3,999 | 43539409 |
| 744858 | Jul 26, 2012 | Jul 26, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #329 | 3,999 | 43539408 |
| 744847 | Jul 26, 2012 | Jul 26, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #226B | 3,999 | 43539404 |
| 744831 | Jul 26, 2012 | Jul 26, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #223B | 3,999 | 43539401 |
| 744615 | Jul 24, 2012 | Jul 24, 2012 | Highmount Expl & Prod Texas LLC | Creek #9703 | 4,200 | 43539400 |
| 741583 | Jun 4, 2012 | Jun 4, 2012 | Highmount Expl & Prod Texas LLC | Jones Ranch 157 #4 | 4,200 | 43539399 |
| 741524 | Jun 2, 2012 | Jun 2, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #222B | 3,999 | 43539398 |
| 741523 | Jun 1, 2012 | Jun 1, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #221B | 3,999 | 43539397 |
| 738428 | May 1, 2012 | May 1, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #219B | 3,999 | 43539396 |
| 738422 | May 1, 2012 | May 1, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #218B | 3,999 | 43539395 |
| 738462 | Apr 30, 2012 | Apr 30, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #326 | 3,999 | 43539393 |
| 738464 | Apr 28, 2012 | Apr 28, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #417 | 3,999 | 43539392 |
| 738456 | Apr 28, 2012 | Apr 28, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #220B | 3,999 | 43539391 |
| 738339 | Apr 27, 2012 | Apr 27, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #217B | 3,999 | 43539394 |
| 735312 | Apr 13, 2012 | Apr 13, 2012 | Highmount Expl & Prod Texas LLC | Mayer, Edwin S. Jr. 'U' #15 | 8,350 | 43539389 |
| 734646 | Apr 6, 2012 | Apr 6, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #315X | 3,999 | 43539390 |
| 732767 | Mar 7, 2012 | Mar 7, 2012 | Highmount Expl & Prod Texas LLC | Mayer Ranch 36 #6 | 8,700 | 43539388 |
| 732295 | Feb 1, 2012 | Feb 1, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #416 | 3,999 | 43539387 |
| 732294 | Feb 1, 2012 | Feb 1, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #415 | 3,999 | 43539386 |
| 732292 | Feb 1, 2012 | Feb 1, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #324 | 3,999 | 43539385 |
| 732155 | Jan 31, 2012 | Jan 31, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #323 | 3,999 | 43539381 |
| 732158 | Jan 30, 2012 | Jan 30, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #216B | 3,999 | 43539384 |
| 732157 | Jan 30, 2012 | Jan 30, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #215B | 3,999 | 43539383 |
| 732157 | Jan 30, 2012 | Jan 30, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #215B | 3,999 | 43539383 |
| 732156 | Jan 30, 2012 | Jan 30, 2012 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U. #325 | 3,999 | 43539382 |
| 730879 | Jan 5, 2012 | Jan 5, 2012 | Highmount Expl & Prod Texas LLC | Mayer Ranch 40 #2 | 8,700 | 43539380 |
| 730810 | Jan 4, 2012 | Jan 4, 2012 | Texas Royalty Corp. | Jennings #1 | 4,700 | 43539379 |
| 729113 | Dec 2, 2011 | Dec 2, 2011 | Mextex Operating Company | Fort Terrett Ranch/Canyon LM/U. #414 | 3,999 | 43539378 |
| 729056 | Dec 1, 2011 | Dec 1, 2011 | Mextex Operating Company | Fort Terrett Ranch/Canyon LM/U. #413 | 3,999 | 43539377 |
| 729054 | Dec 1, 2011 | Dec 1, 2011 | Mextex Operating Company | Fort Terrett Ranch/Canyon LM/U. #214B | 3,999 | 43539376 |
| 729053 | Dec 1, 2011 | Dec 1, 2011 | Mextex Operating Company | Fort Terrett Ranch/Canyon LM/U. #322 | 3,999 | 43539375 |
| 729051 | Dec 1, 2011 | Dec 1, 2011 | Mextex Operating Company | Fort Terrett Ranch/Canyon LM/U. #321 | 3,999 | 43539374 |
| 729050 | Dec 1, 2011 | Dec 1, 2011 | Mextex Operating Company | Fort Terrett Ranch/Canyon LM/U. #320 | 3,999 | 43539373 |
| 726496 | Nov 17, 2011 | Nov 17, 2011 | Highmount Expl & Prod Texas LLC | Glasscock, H.E. et Al #285HH | 12,330 | 43539372 |
| 728001 | Nov 10, 2011 | Nov 10, 2011 | Saber Oil & Gas Ventures, LLC | Epps C #4 | 6,300 | 43532634 |
| 728000 | Nov 10, 2011 | Nov 10, 2011 | Saber Oil & Gas Ventures, LLC | Epps B #3 | 6,000 | 43532496 |
| 727996 | Nov 10, 2011 | Nov 10, 2011 | Saber Oil & Gas Ventures, LLC | Epps A #2 | 7,000 | 43532430 |
| 725400 | Oct 4, 2011 | Oct 4, 2011 | Highmount Expl & Prod Texas LLC | Richardson 139 #10 | 8,450 | 43536674 |
| 724568 | Sep 22, 2011 | Sep 22, 2011 | Highmount Expl & Prod Texas LLC | Fisher 132 #3 | 8,000 | 43539371 |
| 724469 | Sep 21, 2011 | Sep 21, 2011 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U #412 | 3,999 | 43539370 |
| 724468 | Sep 21, 2011 | Sep 21, 2011 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U #411 | 3,999 | 43539369 |
| 724467 | Sep 21, 2011 | Sep 21, 2011 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U #213B | 3,999 | 43539368 |
| 724466 | Sep 21, 2011 | Sep 21, 2011 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U #317 | 3,999 | 43539367 |
| 724465 | Sep 21, 2011 | Sep 21, 2011 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U #316 | 3,999 | 43539366 |
| 724463 | Sep 21, 2011 | Sep 21, 2011 | Mextex Operating Company | FT Terrett Ranch/Canyon LM/U #315 | 3,999 | 43539365 |
| 724389 | Sep 20, 2011 | Sep 20, 2011 | Highmount Expl & Prod Texas LLC | Bloodworth 139 #11 | 7,600 | 43539364 |
| 722945 | Sep 7, 2011 | Sep 7, 2011 | Highmount Expl & Prod Texas LLC | Simmons Ranch #74 | 8,600 | 43536762 |
| 722869 | Aug 25, 2011 | Aug 25, 2011 | Mextex Operating Company | Adams, P.E. & J.E. #10A | 3,000 | 43539363 |
| 722015 | Aug 19, 2011 | Aug 19, 2011 | Highmount Expl & Prod Texas LLC | Rimel #5 | 9,300 | 43538294 |
| 720989 | Aug 2, 2011 | Aug 2, 2011 | Mextex Operating Company | FT Terret Ranch/Canyon LM/U #212B | 3,999 | 43539362 |
| 720987 | Aug 2, 2011 | Aug 2, 2011 | Mextex Operating Company | FT Terret Ranch/Canyon LM/U #56C | 3,999 | 43539361 |
| 720981 | Aug 1, 2011 | Aug 1, 2011 | Mextex Operating Company | FT Terret Ranch/Canyon LM/U #410 | 3,999 | 43539359 |
| 720983 | Jul 28, 2011 | Jul 28, 2011 | Mextex Operating Company | FT Terret Ranch/Canyon LM/U #211B | 3,999 | 43539360 |
| 720696 | Jul 25, 2011 | Jul 25, 2011 | Mextex Operating Company | FT Terret Ranch/Canyon LM/U #314 | 3,999 | 43539358 |
| 720478 | Jul 21, 2011 | Jul 21, 2011 | Highmount Expl & Prod Texas LLC | Mayer Ranch 40 #13 | 8,800 | 43539357 |
| 719731 | Jul 8, 2011 | Jul 8, 2011 | King Operating Corporation | Sutton 'A' #3005 | 6,200 | 43539356 |
| 719009 | Jun 27, 2011 | Jun 27, 2011 | King Operating Corporation | Aldwell Ranch -A- #2205 | 9,500 | 43539355 |
| 719009 | Jun 27, 2011 | Jun 27, 2011 | King Operating Corporation | Aldwell Ranch -A- #2205 | 7,500 | 43539355 |
| 718594 | Jun 20, 2011 | Jun 20, 2011 | Highmount Expl & Prod Texas LLC | Reinhardt 6 #11 | 8,550 | 43536733 |
| 716961 | May 31, 2011 | May 31, 2011 | Highmount Expl & Prod Texas LLC | Wilson Duke #1713 | 6,500 | 43536589 |
| 717196 | May 26, 2011 | May 26, 2011 | King Operating Corporation | Epps 48 #2 | 7,000 | 43539354 |
| 717178 | May 26, 2011 | May 26, 2011 | King Operating Corporation | Epps 48 #1 | 7,000 | 43539353 |
| 716039 | May 12, 2011 | May 12, 2011 | Highmount Expl & Prod Texas LLC | Fisher 131 #1 | 7,550 | 43539352 |
| 714101 | Apr 26, 2011 | Apr 26, 2011 | Highmount Expl & Prod Texas LLC | Jones Ranch #1851 | 8,500 | 43539350 |
| 714555 | Apr 21, 2011 | Apr 21, 2011 | Highmount Expl & Prod Texas LLC | Sawyer-Jones #1907 | 9,200 | 43539351 |
| 713743 | Apr 11, 2011 | Apr 11, 2011 | Highmount Expl & Prod Texas LLC | Mayer Ranch 36 #10 | 8,750 | 43539349 |
| 711151 | Mar 7, 2011 | Mar 7, 2011 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #15 | 5,000 | 43536755 |
| 711151 | Mar 7, 2011 | Mar 7, 2011 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #15 | 5,000 | 43536755 |
| 710995 | Mar 1, 2011 | Mar 1, 2011 | Highmount Expl & Prod Texas LLC | Pfluger 85 #8 | 5,000 | 43534295 |
| 710147 | Feb 14, 2011 | Feb 14, 2011 | Highmount Expl & Prod Texas LLC | Wilson Duke 176 #15 | 6,243 | 43539195 |
| 709917 | Feb 11, 2011 | Feb 11, 2011 | Highmount Expl & Prod Texas LLC | Vanderstucken J M #5 | 8,975 | 43535426 |
| 709237 | Jan 31, 2011 | Jan 31, 2011 | Highmount Expl & Prod Texas LLC | Randee Fawcett Trust 'B' #18RS | 9,000 | 43539348 |
| 709230 | Jan 28, 2011 | Jan 28, 2011 | Highmount Expl & Prod Texas LLC | Bloodworth 140 #10SW | 8,800 | 43539347 |
| 708817 | Jan 24, 2011 | Jan 24, 2011 | Highmount Expl & Prod Texas LLC | Mayer Ranch 36 #9 | 8,850 | 43539346 |
| 703696 | Dec 29, 2010 | Dec 29, 2010 | Highmount Expl & Prod Texas LLC | Hill Mayer Edwin S Jr H #4 | 8,500 | 43539340 |
| 707409 | Dec 27, 2010 | Dec 27, 2010 | Highmount Expl & Prod Texas LLC | Wilson Duke 173 #20X | 9,450 | 43539345 |
| 707203 | Dec 21, 2010 | Dec 21, 2010 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #10 | 5,000 | 43536863 |
| 707203 | Dec 21, 2010 | Dec 21, 2010 | Highmount Expl & Prod Texas LLC | Wilson Duke 171 #10 | 5,000 | 43536863 |
| 707202 | Dec 20, 2010 | Dec 20, 2010 | Highmount Expl & Prod Texas LLC | Wilson Duke #1718 | 5,000 | 43536743 |
| 707192 | Dec 20, 2010 | Dec 20, 2010 | Highmount Expl & Prod Texas LLC | Mayfield 41 #15 | 3,500 | 43537219 |
| 707192 | Dec 20, 2010 | Dec 20, 2010 | Enervest Operating, L.L.C. | Mayfield 41 #15 | 3,500 | 43537219 |
| 707186 | Dec 17, 2010 | Dec 17, 2010 | Highmount Expl & Prod Texas LLC | Mayfield 41 #9 | 3,410 | 43536741 |
| 707186 | Dec 17, 2010 | Dec 17, 2010 | Highmount Expl & Prod Texas LLC | Mayfield 41 #9 | 3,410 | 43536741 |
| 707186 | Dec 17, 2010 | Dec 17, 2010 | Highmount Expl & Prod Texas LLC | Mayfield 41 #9 | 8,550 | 43536741 |
| 706756 | Dec 16, 2010 | Dec 16, 2010 | Highmount Expl & Prod Texas LLC | Holman #2609 | 7,300 | 43539344 |
| 703728 | Dec 16, 2010 | Dec 16, 2010 | Highmount Expl & Prod Texas LLC | Hill Mayer Edwin S Jr H #5 | 8,450 | 43539341 |
| 705782 | Dec 13, 2010 | Dec 13, 2010 | Highmount Expl & Prod Texas LLC | Hill-Mayer, Edwin S. Jr. "X" #3 | 8,010 | 43534461 |
| 705642 | Dec 13, 2010 | Dec 13, 2010 | Highmount Expl & Prod Texas LLC | Mayer Edwin S Jr D 5 #3 | 8,510 | 43538749 |
| 704998 | Nov 10, 2010 | Nov 10, 2010 | Highmount Expl & Prod Texas LLC | Mayfield 41 #20 | 8,900 | 43539343 |
| 704998 | Nov 10, 2010 | Nov 10, 2010 | Highmount Expl & Prod Texas LLC | Mayfield 41 #20 | 8,900 | 43539343 |