| 849662 | Feb 11, 2019 | Feb 11, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart 8N117 #8UMH | 7,500 | 23536393 |
| 849626 | Feb 7, 2019 | Feb 7, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart 8N117 #7LUH | 7,500 | 23536392 |
| 849606 | Feb 7, 2019 | Feb 7, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart 8N117 #6UMH | 7,500 | 23536391 |
| 849493 | Feb 5, 2019 | Feb 5, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart N98 #1LUH | 7,500 | 23536388 |
| 849446 | Feb 5, 2019 | Feb 5, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart N98 #2UMH | 7,500 | 23536387 |
| 849437 | Feb 5, 2019 | Feb 5, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart N98 #3LUH | 7,500 | 23536386 |
| 849260 | Jan 29, 2019 | Jan 29, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart 60N65 #8UMH | 7,300 | 23536380 |
| 849246 | Jan 29, 2019 | Jan 29, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart 60N65 #7LUH | 7,100 | 23536379 |
| 849072 | Jan 24, 2019 | Jan 24, 2019 | Tracker Resource Dev III, LLC | Irion | Barnhart 60N62 #1LUH | 7,100 | 23536377 |
| 847866 | Dec 17, 2018 | Dec 17, 2018 | Tracker Resource Dev III, LLC | Irion | Barnhart 103S101 #8LUH | 7,500 | 23536351 |
| 847863 | Dec 17, 2018 | Dec 17, 2018 | Tracker Resource Dev III, LLC | Irion | Barnhart 103S101 #7UMH | 7,500 | 23536350 |
| 847858 | Dec 17, 2018 | Dec 17, 2018 | Tracker Resource Dev III, LLC | Irion | Barnhart 103S101 #6LUH | 7,500 | 23536349 |
| 847858Amendment | Dec 17, 2018 | Dec 17, 2018 | Tracker Resource Dev III, LLC | Irion | Barnhart 103S101 #6LUH | 7,500 | 23536349 |
| 847234 | Nov 29, 2018 | Nov 29, 2018 | Tracker Resource Dev III, LLC | Irion | Barnhart 2N98 #7UMH | 9,500 | 23536345 |
| 847234Amendment | Nov 29, 2018 | Nov 29, 2018 | Tracker Resource Dev III, LLC | Irion | Barnhart N98 #7UMH | 8,500 | 23536345 |
| 831524 | Oct 12, 2017 | Oct 12, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart 61S59 #6LUH | 7,100 | 23536219 |
| 831523 | Oct 12, 2017 | Oct 12, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart 61S59 #8LMH | 7,300 | 23536218 |
| 831507 | Oct 12, 2017 | Oct 12, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart 60N62 #8LUH | 7,100 | 23536217 |
| 831506 | Oct 9, 2017 | Oct 9, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart 60N62 #6LMH | 7,300 | 23536216 |
| 828441 | Jul 6, 2017 | Jul 6, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1028LUH | 7,000 | 23536209 |
| 828441Amendment | Jul 6, 2017 | Jul 6, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1028LUH | 7,000 | 23536209 |
| 828441Amendment | Jul 6, 2017 | Jul 6, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1028LUH | 7,000 | 23536209 |
| 828426 | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1025LMH | 7,300 | 23536207 |
| 828426Amendment | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1025LMH | 7,300 | 23536207 |
| 828426Amendment | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1025LMH | 7,300 | 23536207 |
| 828410 | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1026LUH | 7,000 | 23536206 |
| 828410Amendment | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1026LUH | 7,000 | 23536206 |
| 828410Amendment | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1026LUH | 7,000 | 23536206 |
| 828400 | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1027LMH | 10,300 | 23536205 |
| 828400Amendment | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1027LMH | 10,300 | 23536205 |
| 828400Amendment | Jul 5, 2017 | Jul 5, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart #1027LMH | 10,300 | 23536205 |
| 821674 | Jan 12, 2017 | Jan 12, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart 77S75 #4LUH | 7,200 | 23536168 |
| 821671 | Jan 12, 2017 | Jan 12, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart 77S75 #3UMH | 7,500 | 23536167 |
| 821665 | Jan 12, 2017 | Jan 12, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart 77S75 #2LUH | 7,200 | 23536166 |
| 821664 | Jan 12, 2017 | Jan 12, 2017 | Tracker Resource Dev III, LLC | Irion | Barnhart 77S75 #1UMH | 7,500 | 23536165 |
| 820781 | Dec 13, 2016 | Dec 13, 2016 | Tracker Resource Dev III, LLC | Irion | Barnhart 76N78 #4LMH | 9,000 | 23536157 |
| 820781Amendment | Dec 13, 2016 | Dec 13, 2016 | Tracker Resource Dev III, LLC | Irion | Barnhart 76N78 #4LMH | 9,000 | 23536157 |
| 820780 | Dec 13, 2016 | Dec 13, 2016 | Tracker Resource Dev III, LLC | Irion | Barnhart 76N78 #3LUH | 7,200 | 23536156 |
| 820780Amendment | Dec 13, 2016 | Dec 13, 2016 | Tracker Resource Dev III, LLC | Irion | Barnhart 76N78 #3LUH | 7,200 | 23536156 |
| 820754 | Dec 13, 2016 | Dec 13, 2016 | Tracker Resource Dev III, LLC | Irion | Barnhart 76N78 #2LMH | 7,500 | 23536158 |
| 820754Amendment | Dec 13, 2016 | Dec 13, 2016 | Tracker Resource Dev III, LLC | Irion | Barnhart 76N78 #2LMH | 7,500 | 23536158 |
| 820753 | Dec 13, 2016 | Dec 13, 2016 | Tracker Resource Dev III, LLC | Irion | Barnhart 76N78 #1LUH | 7,200 | 23536155 |
| 820753Amendment | Dec 13, 2016 | Dec 13, 2016 | Tracker Resource Dev III, LLC | Irion | Barnhart 76N78 #1LUH | 7,200 | 23536155 |
| 797849 | Oct 10, 2014 | Oct 10, 2014 | Tracker Resource Dev III, LLC | Irion | Kmnv #1 | 10,000 | 23535991 |
| 795755 | Sep 24, 2014 | Sep 24, 2014 | Tracker Resource Dev III, LLC | Irion | Kmsv #1 | 10,000 | 23535963 |
| 795755Amendment | Sep 24, 2014 | Sep 24, 2014 | Tracker Resource Dev III, LLC | Irion | Kmsv #1 | 10,000 | 23535963 |
| 766323 | Jul 18, 2013 | Jul 18, 2013 | Tracker Resource Dev III, LLC | Shackelford | Nail Ranch Block 7 #2 | 7,000 | 41739428 |
| 765077 | Jun 26, 2013 | Jun 26, 2013 | Tracker Resource Dev III, LLC | Shackelford | Nail Ranch Block 6 #1HH | 5,600 | 41739420 |
| 764923 | Jun 26, 2013 | Jun 26, 2013 | Tracker Resource Dev III, LLC | Shackelford | Sloan 619 #2 | 7,000 | 41739418 |
| 764904 | Jun 26, 2013 | Jun 26, 2013 | Tracker Resource Dev III, LLC | Shackelford | Nail Ranch Block 1 #3HH | 5,500 | 41739419 |
| 764800 | Jun 25, 2013 | Jun 25, 2013 | Tracker Resource Dev III, LLC | Shackelford | Sloan 687 #2 | 7,000 | 41739416 |
| 764410 | Jun 25, 2013 | Jun 25, 2013 | Tracker Resource Dev III, LLC | Shackelford | Nail Ranch Block 1 #2 | 7,000 | 41739417 |
| 764602 | Jun 21, 2013 | Jun 21, 2013 | Tracker Resource Dev III, LLC | Shackelford | Nail Ranch Block 1 #1HH | 5,500 | 41739415 |
| 764083 | Jun 14, 2013 | Jun 14, 2013 | Tracker Resource Dev III, LLC | Throckmorton | Throckmorton 540 #1HH | 5,000 | 44736493 |
| 764059 | Jun 14, 2013 | Jun 14, 2013 | Tracker Resource Dev III, LLC | Throckmorton | Throckmorton 540 #2 | 7,000 | 44736492 |
| 757820 | Mar 4, 2013 | Mar 4, 2013 | Tracker Resource Dev III, LLC | Shackelford | Nail Block 3 #1HRH | 7,000 | 41739371 |
| 756854 | Feb 27, 2013 | Feb 27, 2013 | Tracker Resource Dev III, LLC | Shackelford | Nail Ranch Block 7 #3H | 5,600 | 41739364 |
| 756803 | Feb 19, 2013 | Feb 19, 2013 | Tracker Resource Dev III, LLC | Throckmorton | McKnight 1279 #1CHH | 4,700 | 44736468 |
| 756790 | Feb 19, 2013 | Feb 19, 2013 | Tracker Resource Dev III, LLC | Throckmorton | McKnight 1279 #3H | 5,600 | 44736467 |
| 750661 | Nov 1, 2012 | Nov 1, 2012 | Tracker Resource Dev III, LLC | Throckmorton | McKnight 1279 #2 | 6,300 | 44736445 |
| 750661Amendment | Nov 1, 2012 | Nov 1, 2012 | Tracker Resource Dev III, LLC | Throckmorton | McKnight 1279 #2 | 6,400 | 44736445 |
| 750661Amendment | Nov 1, 2012 | Nov 1, 2012 | Tracker Resource Dev III, LLC | Throckmorton | McKnight 1279 #2 | 6,400 | 44736445 |
| 750469 | Oct 31, 2012 | Oct 31, 2012 | Tracker Resource Dev III, LLC | Throckmorton | McKnight Tract a 1264 #3 | 5,000 | 44736442 |
| 739118Amendment | May 8, 2012 | May 8, 2012 | Tracker Resource Dev III, LLC | Shackelford | Nail Block 3 #2 | 7,000 | 41739284 |
| 739114Amendment | May 8, 2012 | May 8, 2012 | Tracker Resource Dev III, LLC | Shackelford | Sloan 178 #2 | 7,000 | 41739283 |
| 739112Amendment | May 8, 2012 | May 8, 2012 | Tracker Resource Dev III, LLC | Shackelford | Nail Block 3 #1HH | 7,000 | 41739282 |