| 741050 | Jun 22, 2012 | Jun 22, 2012 | Devon Energy Production Co, L.P. | Ernest T Bass #8 | 10,300 | 13541881 |
| 741050Amendment | Jun 22, 2012 | Jun 22, 2012 | Devon Energy Production Co, L.P. | Ernest T Bass #8H | 10,300 | 13541881 |
| 740966 | Jun 22, 2012 | Jun 22, 2012 | Devon Energy Production Co, L.P. | Ernest T Bass #9 | 10,300 | 13541858 |
| 740966Amendment | Jun 22, 2012 | Jun 22, 2012 | Devon Energy Production Co, L.P. | Ernest T Bass #9 | 10,300 | 13541858 |
| 742730 | Jun 21, 2012 | Jun 21, 2012 | Conocophillips Company | Cowden, Clyde #237 | 7,000 | 13541913 |
| 742730Amendment | Jun 21, 2012 | Jun 21, 2012 | Conocophillips Company | Cowden, Clyde #237 | 7,000 | 13541913 |
| 742379 | Jun 20, 2012 | Jun 20, 2012 | XTO Energy Inc. | Goldsmith, San Andres Unit #1319W | 7,975 | 13530505 |
| 742541 | Jun 19, 2012 | Jun 19, 2012 | BC Operating, Inc. | Pate #12 | 7,200 | 13541912 |
| 742540 | Jun 19, 2012 | Jun 19, 2012 | BC Operating, Inc. | Louisa #2 | 7,200 | 13541911 |
| 742539 | Jun 19, 2012 | Jun 19, 2012 | BC Operating, Inc. | Caleb #3 | 7,200 | 13541910 |
| 742538 | Jun 19, 2012 | Jun 19, 2012 | BC Operating, Inc. | Pate #7 | 7,200 | 13541909 |
| 742538Amendment | Jun 19, 2012 | Jun 19, 2012 | BC Operating, Inc. | Pate #7 | 7,200 | 13541909 |
| 742538Amendment | Jun 19, 2012 | Jun 19, 2012 | BC Operating, Inc. | Pate #7 | 7,200 | 13541909 |
| 742303 | Jun 18, 2012 | Jun 18, 2012 | Legado Permian, LLC | Goldsmith-Landreth/San Andres/UT #313R | 4,550 | 13541904 |
| 741517 | Jun 15, 2012 | Jun 15, 2012 | XTO Energy Inc. | Goldsmith San Andres Unit #B052RW | 4,150 | 13502511 |
| 741515 | Jun 15, 2012 | Jun 15, 2012 | XTO Energy Inc. | Goldsmith San Andres Unit #B183RW | 4,250 | 13536901 |
| 741466 | Jun 15, 2012 | Jun 15, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #1SW | 6,000 | 13541898 |
| 742015 | Jun 13, 2012 | Jun 13, 2012 | BC Operating, Inc. | Black Oak SWD #1 | 5,600 | 13541902 |
| 741969 | Jun 13, 2012 | Jun 13, 2012 | Conocophillips Company | Millard -D- #1 | 8,640 | 13507267 |
| 739888 | Jun 12, 2012 | Jun 12, 2012 | RSP Permian, LLC | Whittenburg #2707 | 12,000 | 13541836 |
| 739882 | Jun 12, 2012 | Jun 12, 2012 | RSP Permian, LLC | Whittenburg #2207 | 12,000 | 13541837 |
| 739808 | Jun 12, 2012 | Jun 12, 2012 | Sandridge Expl. and Prod., LLC | CVX 43 #7H | 9,000 | 13540289 |
| 739808Amendment | Jun 12, 2012 | Jun 12, 2012 | Sandridge Expl. and Prod., LLC | CVX 43 #7HH | 9,000 | 13540289 |
| 741880 | Jun 9, 2012 | Jun 9, 2012 | Occidental Permian Ltd. | Penny Ann #2 | 12,500 | 13541901 |
| 741860 | Jun 9, 2012 | Jun 9, 2012 | Sandridge Expl. and Prod., LLC | Vest Ranch #1801 | 9,000 | 13541900 |
| 741856 | Jun 9, 2012 | Jun 9, 2012 | Sandridge Expl. and Prod., LLC | Vest Ranch #401E | 9,000 | 13541899 |
| 741611 | Jun 8, 2012 | Jun 8, 2012 | Linn Operating, Inc. | Tyler #3705ST | 11,000 | 13541006 |
| 741706 | Jun 7, 2012 | Jun 7, 2012 | Sandridge Expl. and Prod., LLC | CVX 6B #30HH | 8,000 | 13540436 |
| 741706Amendment | Jun 7, 2012 | Jun 7, 2012 | Sandridge Expl. and Prod., LLC | CVX 6B #30HH | 8,000 | 13540436 |
| 741703 | Jun 7, 2012 | Jun 7, 2012 | Sandridge Expl. and Prod., LLC | CVX 43B #18HH | 6,050 | 13541367 |
| 741703Amendment | Jun 7, 2012 | Jun 7, 2012 | Sandridge Expl. and Prod., LLC | CVX 43B #18HH | 6,050 | 13541367 |
| 741084 | Jun 7, 2012 | Jun 7, 2012 | Conocophillips Company | Cowden, Clyde #281 | 7,300 | 13541876 |
| 732909 | Jun 7, 2012 | Jun 7, 2012 | Sandridge Expl. and Prod., LLC | Parker Minerals 8 #11 | 12,000 | 13539938 |
| 732908 | Jun 7, 2012 | Jun 7, 2012 | Sandridge Expl. and Prod., LLC | Parker Minerals 8 #3 | 12,000 | 13539721 |
| 732905 | Jun 7, 2012 | Jun 7, 2012 | Sandridge Expl. and Prod., LLC | Parker Minerals 7 #10 | 12,000 | 13539467 |
| 740188 | Jun 4, 2012 | Jun 4, 2012 | Sandridge Expl. and Prod., LLC | Goldsmith Adobe Unit #2913 | 6,050 | 13541840 |
| 739847 | Jun 4, 2012 | Jun 4, 2012 | XTO Energy Inc. | Goldsmith, C.A. et Al #2223 | 6,730 | 13541897 |
| 737895 | Jun 1, 2012 | Jun 1, 2012 | Fasken Oil and Ranch, Ltd. | Fee 'BB' #2320 | 11,400 | 13541803 |
| 737892 | Jun 1, 2012 | Jun 1, 2012 | Fasken Oil and Ranch, Ltd. | Fee 'BB' #2317 | 11,400 | 13541802 |
| 741322 | May 31, 2012 | May 31, 2012 | Pioneer Natural Res. USA, Inc. | Vaughan-Lenn '42' #4 | 10,700 | 13541896 |
| 741170 | May 31, 2012 | May 31, 2012 | Pioneer Natural Res. USA, Inc. | Vaughan-Lenn '42' #5 | 10,700 | 13541882 |
| 741159 | May 31, 2012 | May 31, 2012 | Pioneer Natural Res. USA, Inc. | Vaughan-Lenn '42' #3 | 10,700 | 13541884 |
| 741106 | May 30, 2012 | May 30, 2012 | BC Operating, Inc. | Henry #4 | 7,200 | 13541883 |
| 741106Amendment | May 30, 2012 | May 30, 2012 | BC Operating, Inc. | Henry #4 | 9,000 | 13541883 |
| 741087 | May 30, 2012 | May 30, 2012 | Conocophillips Company | Goldsmith Andector Unit #A 61 | 7,200 | 13541885 |
| 741083 | May 30, 2012 | May 30, 2012 | Conocophillips Company | Cowden, Clyde #275 | 7,400 | 13541880 |
| 741082 | May 30, 2012 | May 30, 2012 | Conocophillips Company | Cowden, Clyde #265 | 7,300 | 13541879 |
| 741081 | May 30, 2012 | May 30, 2012 | Conocophillips Company | Cowden, Clyde #254 | 7,300 | 13541878 |
| 741080 | May 30, 2012 | May 30, 2012 | Conocophillips Company | Cowden, Clyde #253 | 7,300 | 13541877 |
| 741079 | May 30, 2012 | May 30, 2012 | Conocophillips Company | Cowden, Clyde #252 | 7,300 | 13541875 |
| 741078 | May 30, 2012 | May 30, 2012 | Conocophillips Company | Cowden, Clyde #251 | 7,300 | 13541874 |
| 741004 | May 29, 2012 | May 29, 2012 | Conocophillips Company | Cowden, Clyde #245 | 7,200 | 13541873 |
| 741004Amendment | May 29, 2012 | May 29, 2012 | Conocophillips Company | Cowden, Clyde #245 | 7,200 | 13541873 |
| 741001 | May 29, 2012 | May 29, 2012 | Conocophillips Company | Cowden, Clyde #242 | 7,100 | 13541871 |
| 741001Amendment | May 29, 2012 | May 29, 2012 | Conocophillips Company | Cowden, Clyde #242 | 7,100 | 13541871 |
| 740997 | May 29, 2012 | May 29, 2012 | Conocophillips Company | Cowden, Clyde #238 | 7,000 | 13541870 |
| 740988 | May 29, 2012 | May 29, 2012 | Conocophillips Company | Cowden, Clyde #230 | 7,300 | 13541869 |
| 740981 | May 26, 2012 | May 26, 2012 | Apache Corporation | TXL South Unit #4710HUH | 6,000 | 13541865 |
| 740978 | May 26, 2012 | May 26, 2012 | Apache Corporation | TXL South Unit #5213HUH | 5,900 | 13541868 |
| 740975 | May 26, 2012 | May 26, 2012 | Apache Corporation | TXL South Unit #5212HUH | 5,900 | 13541860 |
| 740968 | May 26, 2012 | May 26, 2012 | Apache Corporation | TXL South Unit #5119HUH | 6,000 | 13541861 |
| 740939 | May 26, 2012 | May 26, 2012 | Apache Corporation | TXL South Unit #4716HLH | 6,350 | 13541857 |
| 740924 | May 25, 2012 | May 25, 2012 | Apache Corporation | TXL South Unit #4715HLH | 6,400 | 13541856 |
| 740919 | May 25, 2012 | May 25, 2012 | Apache Corporation | TXL South Unit #4714HUH | 6,000 | 13541855 |
| 740911 | May 25, 2012 | May 25, 2012 | Apache Corporation | TXL South Unit #4713HUH | 6,000 | 13541853 |
| 740907 | May 25, 2012 | May 25, 2012 | Apache Corporation | TXL South Unit #4712HLH | 6,250 | 13541854 |
| 740904 | May 25, 2012 | May 25, 2012 | Apache Corporation | TXL South Unit #4709HUH | 6,000 | 13541852 |
| 739581 | May 25, 2012 | May 25, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4113E | 11,200 | 13541892 |
| 739581Amendment | May 25, 2012 | May 25, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4113E | 12,000 | 13541892 |
| 739545 | May 25, 2012 | May 25, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4111E | 11,200 | 13541890 |
| 739545Amendment | May 25, 2012 | May 25, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4111E | 12,000 | 13541890 |
| 740090 | May 24, 2012 | May 24, 2012 | Sandridge Expl. and Prod., LLC | CVX 6B #20 | 9,000 | 13540527 |
| 739510 | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4108E | 11,200 | 13541887 |
| 739510Amendment | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4108E | 12,000 | 13541887 |
| 739504 | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4107E | 11,200 | 13541886 |
| 739504Amendment | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4107E | 12,000 | 13541886 |
| 739343 | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4106E | 11,200 | 13541867 |
| 739343Amendment | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4106E | 12,000 | 13541867 |
| 739339 | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4105E | 11,200 | 13541866 |
| 739339Amendment | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4105E | 12,000 | 13541866 |
| 739334 | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4104E | 11,200 | 13541864 |
| 739334Amendment | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4104E | 12,000 | 13541864 |
| 739332 | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4103E | 11,200 | 13541863 |
| 739332Amendment | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4103E | 12,000 | 13541863 |
| 739306 | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4102E | 11,200 | 13541862 |
| 739306Amendment | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4102E | 12,000 | 13541862 |
| 739299 | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4101E | 11,200 | 13541859 |
| 739299Amendment | May 24, 2012 | May 24, 2012 | Chevron U. S. A. Inc. | Lupin TXL Fee 'B' #4101E | 12,000 | 13541859 |
| 740733 | May 23, 2012 | May 23, 2012 | BC Operating, Inc. | James SWD #1604 | 9,100 | 13507812 |
| 740728 | May 23, 2012 | May 23, 2012 | Apache Corporation | TXL South Unit #4711HLH | 6,250 | 13541850 |
| 740720 | May 23, 2012 | May 23, 2012 | Midenergy Operating, LLC | Earnest 'T' #2 | 11,500 | 13541849 |
| 740720Amendment | May 23, 2012 | May 23, 2012 | Midenergy Operating, LLC | Earnest 'T' #2 | 11,500 | 13541849 |
| 740649 | May 22, 2012 | May 22, 2012 | Sandridge Expl. and Prod., LLC | Shoe Bar #2301 | 9,000 | 13541848 |
| 740639 | May 22, 2012 | May 22, 2012 | BC Operating, Inc. | Allison #6 | 7,200 | 13541847 |
| 740637 | May 22, 2012 | May 22, 2012 | BC Operating, Inc. | Allison #5 | 7,200 | 13541846 |
| 740637Amendment | May 22, 2012 | May 22, 2012 | BC Operating, Inc. | Allison #5 | 9,000 | 13541846 |
| 740637Amendment | May 22, 2012 | May 22, 2012 | Linn Operating, Inc. | Allison #5 | 7,250 | 13541846 |
| 740635 | May 22, 2012 | May 22, 2012 | Sandridge Expl. and Prod., LLC | Parker Minerals 4 #20H | 12,000 | 13540547 |
| 740629 | May 22, 2012 | May 22, 2012 | BC Operating, Inc. | Vivian #3 | 7,200 | 13541844 |
| 740620 | May 22, 2012 | May 22, 2012 | BC Operating, Inc. | Henry #5 | 7,200 | 13541845 |