| 847736 | Dec 31, 2018 | Dec 31, 2018 | EP Energy E&P Company, L.P. | Siegele #111HH | 11,000 | 16334159 |
| 847727 | Dec 31, 2018 | Dec 31, 2018 | EP Energy E&P Company, L.P. | Siegele #110HH | 11,000 | 16334158 |
| 847725 | Dec 31, 2018 | Dec 31, 2018 | EP Energy E&P Company, L.P. | Siegele #109HH | 11,000 | 16334157 |
| 847681 | Dec 31, 2018 | Dec 31, 2018 | EP Energy E&P Company, L.P. | Siegele #107HH | 11,000 | 16334155 |
| 847462Amendment | Dec 31, 2018 | Dec 31, 2018 | Trinity Operating (Usg), LLC | Whitwell B #104HH | 10,000 | 16334154 |
| 847462Amendment | Dec 31, 2018 | Dec 31, 2018 | Trinity Operating (Usg), LLC | Whitwell B #104HH | 10,000 | 16334154 |
| 846979 | Dec 31, 2018 | Dec 31, 2018 | U.S. Energy Development Corp | Monte Lenoso #C 2EFH | 6,500 | 16334151 |
| 846947 | Dec 31, 2018 | Dec 31, 2018 | Exco Operating Company, LP | Boll Fro #A 2HH | 7,000 | 16334153 |
| 845619 | Dec 31, 2018 | Dec 31, 2018 | Bush, Mark A. Oil and Gas Inc. | HRH Thompson #8H | 7,200 | 16333150 |
| 840978 | Dec 31, 2018 | Dec 31, 2018 | Comstock Oil & Gas, LP | Schorp 'D' #1HH | 9,000 | 16334126 |
| 840978Amendment | Dec 31, 2018 | Dec 31, 2018 | Venado Operating Company LLC | Schorp 301 #C301H | 9,000 | 16334126 |
| 838607Amendment | Dec 31, 2018 | Dec 31, 2018 | Bigfoot Oil LLC | Melms Estate #1HH | 3,950 | 16334113 |
| 847819 | Dec 17, 2018 | Dec 17, 2018 | Trinity Operating (Usg), LLC | Whitwell A #103HRH | 10,000 | 16334160 |
| 847685 | Dec 17, 2018 | Dec 17, 2018 | EP Energy E&P Company, L.P. | Siegele #108HH | 11,000 | 16334156 |
| 847462 | Dec 7, 2018 | Dec 7, 2018 | Trinity Operating (Usg), LLC | Whitwell B #104HH | 10,000 | 16334154 |
| 846981 | Nov 20, 2018 | Nov 20, 2018 | U.S. Energy Development Corp | Monte Lenoso #C 1EFH | 6,500 | 16334152 |
| 846977 | Nov 20, 2018 | Nov 20, 2018 | U.S. Energy Development Corp | Monte Lenoso #C 3EFH | 6,500 | 16334150 |
| 846585 | Nov 20, 2018 | Nov 20, 2018 | Venado Operating Company LLC | Carnes-Regents Unit #A301H | 11,200 | 16334148 |
| 846884 | Nov 19, 2018 | Nov 19, 2018 | U.S. Energy Development Corp | Monte Lenoso #C 4EFH | 6,500 | 16334149 |
| 846041 | Oct 31, 2018 | Oct 31, 2018 | Trinity Operating (Usg), LLC | Whitwell A #103HH | 10,000 | 16334147 |
| 846040 | Oct 30, 2018 | Oct 30, 2018 | Trinity Operating (Usg), LLC | Whitwell A #102HH | 10,000 | 16334146 |
| 845765 | Oct 19, 2018 | Oct 19, 2018 | Trinity Operating (Usg), LLC | Whitwell Allocation #A101HH | 10,000 | 16334142 |
| 845765Amendment | Oct 19, 2018 | Oct 19, 2018 | Trinity Operating (Usg), LLC | Whitwell A #101HH | 10,000 | 16334142 |
| 845775 | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Monte Lenoso #B 1EFH | 6,500 | 16334145 |
| 845774 | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Monte Lenoso #B 2EFH | 6,500 | 16334144 |
| 845774Amendment | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Monte Lenoso #B 2EFH | 5,502 | 16334144 |
| 845772 | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Monte Lenoso #B 3EFH | 6,500 | 16334143 |
| 845772Amendment | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Monte Lenoso #B 3EFH | 5,468 | 16334143 |
| 845675 | Oct 12, 2018 | Oct 12, 2018 | U.S. Energy Development Corp | Monte Lenoso #B 4EFH | 6,500 | 16334141 |
| 845675Amendment | Oct 12, 2018 | Oct 12, 2018 | U.S. Energy Development Corp | Monte Lenoso #B 4EFH | 5,426 | 16334141 |
| 845295 | Oct 5, 2018 | Oct 5, 2018 | Magnolia Energy Partners Co., LP | Harris a Pooled Unit #5H | 8,400 | 16333022 |
| 845295Amendment | Oct 5, 2018 | Oct 5, 2018 | Magnolia Energy Partners Co., LP | Harris a Pooled Unit #5H | 8,400 | 16333022 |
| 844783 | Sep 18, 2018 | Sep 18, 2018 | Blackbrush O & G, LLC | Coppedge #1H | 7,400 | 16333536 |
| 844678 | Sep 14, 2018 | Sep 14, 2018 | Virtex Operating Company, Inc. | Harlan A #1HH | 7,000 | 16334140 |
| 844421 | Sep 7, 2018 | Sep 7, 2018 | LP Operating, LLC | Snoots #1 | 4,000 | 16334139 |
| 844421Amendment | Sep 7, 2018 | Sep 7, 2018 | LP Operating, LLC | Ornelas-A #1 | 4,000 | 16334139 |
| 843853 | Aug 29, 2018 | Aug 29, 2018 | Virtex Operating Company, Inc. | Harlan, R.K. #11HH | 7,000 | 16334138 |
| 843106 | Aug 2, 2018 | Aug 2, 2018 | Trinity Operating (Usg), LLC | Longhorn a Eagle Ford Pooled UT #A104HH | 10,000 | 16334137 |
| 843105 | Aug 2, 2018 | Aug 2, 2018 | Trinity Operating (Usg), LLC | Longhorn a Eagle Ford Pooled UT #A103HH | 10,000 | 16334136 |
| 843046 | Aug 1, 2018 | Aug 1, 2018 | Virtex Operating Company, Inc. | Lothringer #1HH | 6,500 | 16334135 |
| 843032 | Aug 1, 2018 | Aug 1, 2018 | Trinity Operating (Usg), LLC | Longhorn a Eagle Ford Pooled UT #A102HH | 10,000 | 16334134 |
| 842361 | Jul 31, 2018 | Jul 31, 2018 | Venado Operating Company LLC | Kothmann 303 #A303H | 8,500 | 16334130 |
| 842349 | Jul 31, 2018 | Jul 31, 2018 | Venado Operating Company LLC | Kothmann 302 #A302H | 8,500 | 16334129 |
| 842348 | Jul 31, 2018 | Jul 31, 2018 | Venado Operating Company LLC | Kothmann 301 #A301H | 8,500 | 16334128 |
| 842886 | Jul 30, 2018 | Jul 30, 2018 | Trinity Operating (Usg), LLC | Longhorn a Eagle Ford Pooled UT #A101HH | 10,000 | 16334133 |
| 842547 | Jul 27, 2018 | Jul 27, 2018 | Firstrike Energy Corporation | Mann-Neumann Unit #1H | 5,200 | 16334131 |
| 842547Amendment | Jul 27, 2018 | Jul 27, 2018 | Firstrike Energy Corporation | Mann-Neumann Unit #1H | 5,200 | 16334131 |
| 842544 | Jul 24, 2018 | Jul 24, 2018 | Virtex Operating Company, Inc. | Harlan, R.K. #13HH | 5,800 | 16334132 |
| 842525 | Jul 20, 2018 | Jul 20, 2018 | LP Operating, LLC | Calame #5 | 4,223 | 16333485 |
| 841484 | Jun 20, 2018 | Jun 20, 2018 | Virtex Operating Company, Inc. | Harlan, R.K. #12 | 5,800 | 16333388 |
| 840978Amendment | Jun 8, 2018 | Jun 8, 2018 | Comstock Oil & Gas, LP | Schorp 'D' #1HH | 9,000 | 16334126 |
| 840968 | Jun 8, 2018 | Jun 8, 2018 | Comstock Oil & Gas, LP | Schorp 'B' #1HH | 9,000 | 16334124 |
| 840855 | Jun 6, 2018 | Jun 6, 2018 | Virtex Operating Company, Inc. | Burleson #1 | 5,969 | 16333641 |
| 840353 | May 25, 2018 | May 25, 2018 | Hat Creek Energy LLC | Hce HM 03N #304HH | 6,150 | 16334123 |
| 840350 | May 25, 2018 | May 25, 2018 | Hat Creek Energy LLC | Hce HM 03N #303HH | 6,150 | 16334122 |
| 840349 | May 25, 2018 | May 25, 2018 | Hat Creek Energy LLC | Hce HM 03S #302HH | 6,150 | 16334121 |
| 840348 | May 25, 2018 | May 25, 2018 | Hat Creek Energy LLC | Hce HM 03S #301HH | 6,150 | 16334120 |
| 839808 | May 10, 2018 | May 10, 2018 | Hat Creek Energy LLC | Hce St 02 #304HH | 6,750 | 16334119 |
| 839798 | May 10, 2018 | May 10, 2018 | Hat Creek Energy LLC | Hce St 02 #301HH | 6,750 | 16334116 |
| 839691 | May 10, 2018 | May 10, 2018 | Exco Operating Company, LP | Guy Bob Unit Fro #1HH | 7,000 | 16334115 |
| 838607 | Apr 18, 2018 | Apr 18, 2018 | Bigfoot Oil LLC | Melms Estate #1HH | 3,950 | 16334113 |
| 838607Amendment | Apr 18, 2018 | Apr 18, 2018 | Bigfoot Oil LLC | Melms Estate #1HH | 3,950 | 16334113 |
| 838605 | Apr 18, 2018 | Apr 18, 2018 | Bigfoot Oil LLC | Allerkamp, Ernest E. #2HH | 3,950 | 16334114 |
| 838606 | Apr 13, 2018 | Apr 13, 2018 | Bigfoot Oil LLC | Melms Estate #1HAH | 5,300 | 16334112 |
| 838300 | Apr 10, 2018 | Apr 10, 2018 | Exco Operating Company, LP | Guy Bob Fro #B 2HH | 7,000 | 16334111 |
| 838297 | Apr 10, 2018 | Apr 10, 2018 | Exco Operating Company, LP | Guy Bob Fro #A 2HH | 7,000 | 16334110 |
| 838297Amendment | Apr 10, 2018 | Apr 10, 2018 | Exco Operating Company, LP | Guy Bob Fro #A 2HH | 7,000 | 16334110 |
| 837114 | Mar 8, 2018 | Mar 8, 2018 | Ageron Energy, LLC | Taylor-Carrico Unit #1HH | 6,900 | 16334109 |
| 836342 | Feb 26, 2018 | Feb 26, 2018 | Ageron Energy, LLC | Herbst #1HH | 6,700 | 16334108 |
| 835932 | Feb 5, 2018 | Feb 5, 2018 | Exco Operating Company, LP | Boll-Calvert Unit Fro #2HH | 7,000 | 16334107 |
| 835644 | Jan 31, 2018 | Jan 31, 2018 | Exco Operating Company, LP | Calvert Ranch Fro #D 2HH | 7,000 | 16334106 |
| 835078 | Jan 26, 2018 | Jan 26, 2018 | Exco Operating Company, LP | Boll Fro #B 2HH | 7,000 | 16334105 |
| 834944 | Jan 26, 2018 | Jan 26, 2018 | U.S. Energy Development Corp | Hideaway Ranch North #F 1EFH | 9,000 | 16334099 |
| 834953 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Hideaway Ranch North #G 3EFH | 9,000 | 16334104 |
| 834952 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Hideaway Ranch North #G 2EFH | 9,000 | 16334103 |
| 834949 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Hideaway Ranch North #G 1EFH | 9,000 | 16334102 |
| 834948 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Hideaway Ranch North #F 3EFH | 9,000 | 16334101 |
| 834947 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Hideaway Ranch North #F 2EFH | 9,000 | 16334100 |
| 834469 | Dec 22, 2017 | Dec 22, 2017 | Exco Operating Company, LP | Calvert Ranch Fro #B 2HH | 7,000 | 16334098 |
| 834466 | Dec 22, 2017 | Dec 22, 2017 | Exco Operating Company, LP | Calvert Ranch Fro #C 2HH | 7,000 | 16334097 |
| 834464 | Dec 22, 2017 | Dec 22, 2017 | Exco Operating Company, LP | Guy Bob Fro #C 1HH | 7,000 | 16334096 |
| 834396 | Dec 22, 2017 | Dec 22, 2017 | Exco Operating Company, LP | Guy Bob Fro #B 1HH | 7,000 | 16334095 |
| 834307 | Dec 21, 2017 | Dec 21, 2017 | Cabot Oil & Gas Corporation | Willow 3H #3HH | 8,200 | 16334094 |
| 834307Amendment | Dec 21, 2017 | Dec 21, 2017 | Cabot Oil & Gas Corporation | Willow 3H #3HH | 8,500 | 16334094 |
| 834304 | Dec 21, 2017 | Dec 21, 2017 | Cabot Oil & Gas Corporation | Willow 2H #2HH | 8,500 | 16334093 |
| 834295 | Dec 21, 2017 | Dec 21, 2017 | Cabot Oil & Gas Corporation | Willow 1H #1HH | 8,500 | 16334092 |
| 834295Amendment | Dec 21, 2017 | Dec 21, 2017 | Cabot Oil & Gas Corporation | Willow 1H #1HH | 8,500 | 16334092 |
| 833549 | Dec 4, 2017 | Dec 4, 2017 | Texas American Resources Company | Tortuga #109HH | 7,795 | 16334091 |
| 833539 | Dec 4, 2017 | Dec 4, 2017 | Texas American Resources Company | Tortuga #107HH | 7,795 | 16334089 |
| 833542 | Dec 1, 2017 | Dec 1, 2017 | Texas American Resources Company | Tortuga #108HH | 7,795 | 16334090 |
| 833332 | Nov 28, 2017 | Nov 28, 2017 | LP Operating, LLC | Calame #1 | 4,300 | 16333840 |
| 833054 | Nov 20, 2017 | Nov 20, 2017 | Cabot Oil & Gas Corporation | Bluejack 201H #201HH | 8,000 | 16334088 |
| 832890 | Nov 17, 2017 | Nov 17, 2017 | Cabot Oil & Gas Corporation | Bluejack 2H #2HH | 8,000 | 16334087 |
| 832888 | Nov 17, 2017 | Nov 17, 2017 | Cabot Oil & Gas Corporation | Bluejack 1H #1HH | 8,000 | 16334086 |
| 832464 | Nov 3, 2017 | Nov 3, 2017 | Texas American Resources Company | Shiner Ranch #103HH | 7,890 | 16334085 |
| 831983 | Nov 1, 2017 | Nov 1, 2017 | Cabot Oil & Gas Corporation | Percheron 1H #1HH | 9,000 | 16334084 |
| 831683 | Oct 16, 2017 | Oct 16, 2017 | Rosewood Resources, Inc. | Robert J.S. Smith #2HH | 8,900 | 16334083 |
| 831680 | Oct 16, 2017 | Oct 16, 2017 | Rosewood Resources, Inc. | Robert J.S. Smith #1HH | 8,900 | 16334082 |
| 830196 | Aug 29, 2017 | Aug 29, 2017 | Cabot Oil & Gas Corporation | Appaloosa 4H #4HH | 8,500 | 16334079 |
| 830192 | Aug 29, 2017 | Aug 29, 2017 | Cabot Oil & Gas Corporation | Appaloosa 3H #3HH | 8,500 | 16334078 |