| 767822Amendment | Aug 9, 2013 | Aug 9, 2013 | Chesapeake Operating, Inc. | Henrichson Unit H Dim #4HH | 9,000 | 12735731 |
| 767822Amendment | Aug 9, 2013 | Aug 9, 2013 | Chesapeake Operating, Inc. | Henrichson Unit H Dim #4HH | 9,000 | 12735731 |
| 767818 | Aug 9, 2013 | Aug 9, 2013 | Chesapeake Operating, Inc. | Henrichson Unit H Dim #2HH | 9,000 | 12735730 |
| 767817 | Aug 9, 2013 | Aug 9, 2013 | Chesapeake Operating, Inc. | Henrichson Unit H Dim #1HH | 9,000 | 12735729 |
| 767659 | Aug 9, 2013 | Aug 9, 2013 | Newfield Exploration Company | Moro Creek Psa #2106HH | 7,500 | 12735728 |
| 767545 | Aug 7, 2013 | Aug 7, 2013 | Newfield Exploration Company | Moro Creek #2105HH | 7,500 | 12735723 |
| 767403 | Aug 7, 2013 | Aug 7, 2013 | Newfield Exploration Company | Moro Creek Psa #2104HH | 7,500 | 12735722 |
| 767580 | Aug 6, 2013 | Aug 6, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #9HH | 8,500 | 12735727 |
| 767578 | Aug 6, 2013 | Aug 6, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #8HH | 8,500 | 12735726 |
| 767575 | Aug 6, 2013 | Aug 6, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #7HH | 8,500 | 12735725 |
| 767572 | Aug 6, 2013 | Aug 6, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #6HH | 8,500 | 12735724 |
| 767360 | Aug 5, 2013 | Aug 5, 2013 | Newfield Exploration Company | Moro Creek Psa #2103HH | 7,500 | 12735721 |
| 767459 | Aug 1, 2013 | Aug 1, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #5HH | 8,600 | 12735720 |
| 767454 | Aug 1, 2013 | Aug 1, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #4HH | 8,600 | 12735719 |
| 767453 | Aug 1, 2013 | Aug 1, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #3HH | 8,600 | 12735718 |
| 767442 | Aug 1, 2013 | Aug 1, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #2HH | 8,600 | 12735717 |
| 767439 | Aug 1, 2013 | Aug 1, 2013 | Anadarko E&P Onshore LLC | Briscoe East Delgado Unit A #1HH | 8,600 | 12735716 |
| 767274 | Aug 1, 2013 | Aug 1, 2013 | Newfield Exploration Company | Moro Creek #2101HH | 7,500 | 12735710 |
| 767377 | Jul 31, 2013 | Jul 31, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #12HH | 7,500 | 12735715 |
| 767376 | Jul 31, 2013 | Jul 31, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #11HH | 7,500 | 12735714 |
| 767356 | Jul 31, 2013 | Jul 31, 2013 | Newfield Exploration Company | Moro Creek #2102HH | 7,500 | 12735713 |
| 767355 | Jul 31, 2013 | Jul 31, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #10HH | 7,500 | 12735712 |
| 767323 | Jul 31, 2013 | Jul 31, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #9HH | 7,500 | 12735711 |
| 767270 | Jul 31, 2013 | Jul 31, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #60HH | 8,950 | 12735709 |
| 767268 | Jul 31, 2013 | Jul 31, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #59HH | 8,950 | 12735708 |
| 767266 | Jul 31, 2013 | Jul 31, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #58HH | 8,950 | 12735707 |
| 767265 | Jul 31, 2013 | Jul 31, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #57HH | 8,950 | 12735706 |
| 767241 | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 8 Dim #E 4HH | 9,000 | 12735705 |
| 767241Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 8 Dim #E 4HH | 9,000 | 12735705 |
| 767241Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 8 Dim #E 4HH | 9,000 | 12735705 |
| 767238 | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 8 Dim #M 4HH | 9,000 | 12735703 |
| 767238Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 8 Dim #M 4HH | 9,000 | 12735703 |
| 767236 | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 7 Dim #M 3HH | 9,000 | 12735704 |
| 767236Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 7 Dim #M 3HH | 9,000 | 12735704 |
| 767236Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 7 Dim #M 3HH | 9,000 | 12735704 |
| 767236Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 7 Dim #M 3HH | 9,000 | 12735704 |
| 767236Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 7 Dim #M 3HH | 9,000 | 12735704 |
| 767235 | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 7 Dim #M 2HH | 9,000 | 12735702 |
| 767235Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 7 Dim #M 2HH | 9,000 | 12735702 |
| 767235Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 7 Dim #M 2HH | 9,000 | 12735702 |
| 767235Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 7 Dim #M 2HH | 9,000 | 12735702 |
| 767235Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 7 Dim #M 2HH | 9,000 | 12735702 |
| 767233 | Jul 30, 2013 | Jul 30, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #56HH | 8,900 | 12735701 |
| 767231 | Jul 30, 2013 | Jul 30, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #55HH | 8,900 | 12735699 |
| 767230 | Jul 30, 2013 | Jul 30, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #54HH | 8,900 | 12735700 |
| 767202 | Jul 30, 2013 | Jul 30, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #53HH | 8,900 | 12735698 |
| 767165 | Jul 30, 2013 | Jul 30, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #52HH | 8,900 | 12735696 |
| 767164 | Jul 30, 2013 | Jul 30, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #51HH | 8,900 | 12735695 |
| 767161 | Jul 30, 2013 | Jul 30, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #50HH | 8,900 | 12735694 |
| 767160 | Jul 30, 2013 | Jul 30, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #49HH | 8,900 | 12735693 |
| 767147 | Jul 30, 2013 | Jul 30, 2013 | Redemption Oil & Gas, LLC | Shook #104H | 3,700 | 12735697 |
| 767073 | Jul 30, 2013 | Jul 30, 2013 | U.S. Enercorp, Ltd. | Willerson #1HH | 7,400 | 12735690 |
| 767073Amendment | Jul 30, 2013 | Jul 30, 2013 | U.S. Enercorp, Ltd. | Willerson #1HH | 7,312 | 12735690 |
| 767156 | Jul 29, 2013 | Jul 29, 2013 | Stonegate Production Company,llc | Hatch Unit A #3HH | 9,000 | 12735692 |
| 767155 | Jul 29, 2013 | Jul 29, 2013 | Stonegate Production Company,llc | Hatch Unit A #1HH | 9,000 | 12735691 |
| 767055 | Jul 26, 2013 | Jul 26, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #8HH | 7,500 | 12735689 |
| 767052 | Jul 26, 2013 | Jul 26, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #7HH | 7,500 | 12735688 |
| 767048 | Jul 26, 2013 | Jul 26, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #6HH | 7,500 | 12735687 |
| 767047 | Jul 26, 2013 | Jul 26, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #5HH | 7,500 | 12735686 |
| 767000 | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 10 Dim #E 3HH | 9,000 | 12735685 |
| 767000Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 10 Dim #E 3HH | 9,000 | 12735685 |
| 767000Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 10 Dim #E 3HH | 9,000 | 12735685 |
| 767000Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 10 Dim #E 3HH | 9,000 | 12735685 |
| 766999 | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 10 Dim #E 2HH | 9,000 | 12735684 |
| 766999Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 10 Dim #E 2HH | 9,000 | 12735684 |
| 766999Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 10 Dim #E 2HH | 9,000 | 12735684 |
| 766999Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 10 Dim #E 2HH | 9,000 | 12735684 |
| 766998 | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, Inc. | Gibson South Unit 9 Dim #E 1HH | 9,000 | 12735683 |
| 766998Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 9 Dim #E 1HH | 9,000 | 12735683 |
| 766998Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 9 Dim #E 1HH | 9,000 | 12735683 |
| 766998Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Gibson South Unit 9 Dim #E 1HH | 9,000 | 12735683 |
| 766513 | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, Inc. | Haning Dim #B 2HH | 9,000 | 12735667 |
| 766454 | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, Inc. | Haning Dim #A 3HH | 9,000 | 12735666 |
| 766453 | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, Inc. | Haning Dim #A 2HH | 9,000 | 12735665 |
| 766881 | Jul 24, 2013 | Jul 24, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #4HH | 7,500 | 12735682 |
| 766876 | Jul 24, 2013 | Jul 24, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #3HH | 7,500 | 12735681 |
| 766868 | Jul 24, 2013 | Jul 24, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #2HH | 7,500 | 12735680 |
| 766865 | Jul 24, 2013 | Jul 24, 2013 | Anadarko E&P Onshore LLC | Dentonio State 22 Unit #1HH | 7,500 | 12735679 |
| 766831 | Jul 24, 2013 | Jul 24, 2013 | Newfield Exploration Company | Cmww A #4407HH | 8,000 | 12735678 |
| 766728 | Jul 24, 2013 | Jul 24, 2013 | Lewis Petro Properties, Inc. | Cotulla #32HH | 9,000 | 12735672 |
| 766725 | Jul 24, 2013 | Jul 24, 2013 | Lewis Petro Properties, Inc. | Cotulla #31HH | 9,000 | 12735671 |
| 766738 | Jul 22, 2013 | Jul 22, 2013 | Lewis Petro Properties, Inc. | Cotulla #51HH | 9,000 | 12735677 |
| 766737 | Jul 22, 2013 | Jul 22, 2013 | Lewis Petro Properties, Inc. | Cotulla #50HH | 9,000 | 12735676 |
| 766735 | Jul 22, 2013 | Jul 22, 2013 | Lewis Petro Properties, Inc. | Cotulla #49HH | 9,000 | 12735675 |
| 766731 | Jul 22, 2013 | Jul 22, 2013 | Lewis Petro Properties, Inc. | Cotulla #34HH | 9,000 | 12735674 |
| 766729 | Jul 22, 2013 | Jul 22, 2013 | Lewis Petro Properties, Inc. | Cotulla #33HH | 9,000 | 12735673 |
| 766611 | Jul 18, 2013 | Jul 18, 2013 | TX Energy Services, LLC | Frost National Bank #2 | 5,500 | 12735670 |
| 766531 | Jul 18, 2013 | Jul 18, 2013 | Newfield Exploration Company | Cmww A #4406HH | 8,500 | 12735669 |
| 766529 | Jul 18, 2013 | Jul 18, 2013 | Newfield Exploration Company | Cmww A #4405HH | 8,500 | 12735668 |
| 766303 | Jul 12, 2013 | Jul 12, 2013 | Newfield Exploration Company | Cmww A #4504HH | 8,000 | 12735664 |
| 766293 | Jul 12, 2013 | Jul 12, 2013 | Murphy Expl. & Prod. Co. - USA | Kone #31HH | 8,500 | 12735660 |
| 766290 | Jul 12, 2013 | Jul 12, 2013 | Murphy Expl. & Prod. Co. - USA | Kone #30HH | 8,500 | 12735661 |
| 766288 | Jul 12, 2013 | Jul 12, 2013 | Murphy Expl. & Prod. Co. - USA | Kone #29 HH | 8,500 | 12735662 |
| 766287 | Jul 12, 2013 | Jul 12, 2013 | Newfield Exploration Company | Cmww A #4503HH | 8,000 | 12735663 |
| 766278 | Jul 12, 2013 | Jul 12, 2013 | Murphy Expl. & Prod. Co. - USA | Kone #32 HH | 8,500 | 12735659 |
| 766266 | Jul 12, 2013 | Jul 12, 2013 | Newfield Exploration Company | Cmww A #4502HH | 8,000 | 12735658 |
| 763727 | Jul 12, 2013 | Jul 12, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #48HH | 8,800 | 12735563 |
| 763707 | Jul 12, 2013 | Jul 12, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #47HH | 8,800 | 12735562 |
| 763647 | Jul 12, 2013 | Jul 12, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #46HH | 8,800 | 12735561 |
| 763610 | Jul 12, 2013 | Jul 12, 2013 | Anadarko E&P Onshore LLC | Briscoe Catarina South #45HH | 8,800 | 12735557 |