| 670983 | Sep 29, 2008 | Sep 29, 2008 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #50 | 10,000 | 10540859 |
| 669978 | Sep 15, 2008 | Sep 15, 2008 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie #19 | 10,000 | 10540845 |
| 669227 | Sep 9, 2008 | Sep 9, 2008 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom, Jr. "B" #51 | 10,000 | 10540833 |
| 668657 | Aug 28, 2008 | Aug 28, 2008 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie #18 | 10,000 | 10540826 |
| 663918 | Jul 25, 2008 | Jul 25, 2008 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie #17 | 10,000 | 10540737 |
| 665547 | Jul 18, 2008 | Jul 18, 2008 | Harrison Interests, Ltd. | Crockett | University Lands 19-33 #59 | 10,000 | 10540779 |
| 662192 | Jul 9, 2008 | Jul 9, 2008 | Harrison Interests, Ltd. | Crockett | University Land 30-30 #60 | 7,000 | 10540679 |
| 663952 | Jun 24, 2008 | Jun 24, 2008 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley "C" #13 | 10,000 | 10540742 |
| 663952Amendment | Jun 24, 2008 | Jun 24, 2008 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley "C" #13 | 10,000 | 10540742 |
| 663932 | Jun 23, 2008 | Jun 23, 2008 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #12 | 8,000 | 10540739 |
| 663932Amendment | Jun 23, 2008 | Jun 23, 2008 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #12 | 8,000 | 10540739 |
| 663923 | Jun 23, 2008 | Jun 23, 2008 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #9 | 10,000 | 10540738 |
| 663923Amendment | Jun 23, 2008 | Jun 23, 2008 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #9 | 10,000 | 10540738 |
| 661877 | Jun 5, 2008 | Jun 5, 2008 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie #16 | 10,000 | 10540669 |
| 661914 | Jun 3, 2008 | Jun 3, 2008 | Harrison Interests, Ltd. | Crockett | University Lands "2-32" #58 | 10,000 | 10540674 |
| 656235 | Mar 10, 2008 | Mar 10, 2008 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "A" #73 | 10,000 | 10540591 |
| 656153 | Mar 6, 2008 | Mar 6, 2008 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "N" #75 | 10,000 | 10540579 |
| 655546 | Feb 25, 2008 | Feb 25, 2008 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "B" #74 | 10,500 | 10540570 |
| 652551 | Jan 15, 2008 | Jan 15, 2008 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "L" #71A | 10,500 | 10540514 |
| 649957 | Nov 30, 2007 | Nov 30, 2007 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "L" #71 | 10,500 | 10540490 |
| 649995 | Nov 29, 2007 | Nov 29, 2007 | Harrison Interests, Ltd. | Crockett | Roy Henderson Estate "A" #2 | 10,500 | 10540491 |
| 649956 | Nov 29, 2007 | Nov 29, 2007 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "L" #70 | 10,500 | 10540489 |
| 649826 | Nov 26, 2007 | Nov 26, 2007 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "K" #72 | 10,500 | 10540488 |
| 630797 | Jan 18, 2007 | Jan 18, 2007 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #49 | 9,800 | 10539866 |
| 630792 | Jan 18, 2007 | Jan 18, 2007 | Harrison Interests, Ltd. | Crockett | Davidson,joe Tom Jr. "A" #48 | 9,800 | 10539863 |
| 630800 | Dec 20, 2006 | Dec 20, 2006 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #44 | 9,800 | 10539860 |
| 620674 | Jun 9, 2006 | Jun 9, 2006 | Harrison Interests, Ltd. | Liberty | Harrison Interests, Ltd. "A" #38 | 5,000 | 29132669 |
| 620673 | Jun 9, 2006 | Jun 9, 2006 | Harrison Interests, Ltd. | Liberty | Harrison Interests, Ltd. "A" #39 | 9,000 | 29132668 |
| 620673Amendment | Jun 9, 2006 | Jun 9, 2006 | Harrison Interests, Ltd. | Liberty | Harrison Interests, Ltd. "A" #39 | 9,000 | 29132668 |
| 620673Amendment | Jun 9, 2006 | Jun 9, 2006 | Harrison Interests, Ltd. | Liberty | Harrison Interests, Ltd. "A" #39 | 9,000 | 29132668 |
| 615161 | Mar 8, 2006 | Mar 8, 2006 | Harrison Interests, Ltd. | Crockett | McMullan, R. B. "A" #2 | 10,000 | 10539897 |
| 615343 | Mar 7, 2006 | Mar 7, 2006 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie "B" #7R | 9,800 | 10539901 |
| 613452 | Feb 2, 2006 | Feb 2, 2006 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #49 | 9,800 | 10539866 |
| 612720 | Jan 24, 2006 | Jan 24, 2006 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #48 | 9,800 | 10539863 |
| 612506 | Jan 20, 2006 | Jan 20, 2006 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #44 | 9,800 | 10539860 |
| 611542 | Dec 30, 2005 | Dec 30, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, C. E. III #1A | 9,142 | 10531133 |
| 611402 | Dec 21, 2005 | Dec 21, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, C.E. III #5 | 7,000 | 10537366 |
| 611399 | Dec 21, 2005 | Dec 21, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, C. E. III #6 | 9,000 | 10539844 |
| 611399Amendment | Dec 21, 2005 | Dec 21, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, C. E. III #6 | 9,500 | 10539844 |
| 611125 | Dec 20, 2005 | Dec 20, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, C.E. III #4 | 8,100 | 10536789 |
| 609742 | Nov 23, 2005 | Nov 23, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #46 | 10,000 | 10539825 |
| 603978 | Jul 28, 2005 | Jul 28, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, C.E. III #3 | 7,000 | 10536790 |
| 603058 | Jul 7, 2005 | Jul 7, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #2 | 9,287 | 10530925 |
| 602841 | Jun 30, 2005 | Jun 30, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #42 | 9,600 | 10539682 |
| 602833 | Jun 30, 2005 | Jun 30, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #45 | 9,700 | 10539683 |
| 602833Amendment | Jun 30, 2005 | Jun 30, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #45 | 9,700 | 10539683 |
| 602750 | Jun 29, 2005 | Jun 29, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "C" #43 | 9,500 | 10539681 |
| 602745 | Jun 29, 2005 | Jun 29, 2005 | Harrison Interests, Ltd. | Crockett | Thomason, W. A. #7 | 10,200 | 10539680 |
| 602291 | Jun 21, 2005 | Jun 21, 2005 | Harrison Interests, Ltd. | Crockett | Helen West #1 | 9,800 | 10539672 |
| 602291Amendment | Jun 21, 2005 | Jun 21, 2005 | Harrison Interests, Ltd. | Crockett | Helen West #1 | 9,800 | 10539672 |
| 602290 | Jun 21, 2005 | Jun 21, 2005 | Harrison Interests, Ltd. | Crockett | McMullan, R. B. #1 | 9,800 | 10539671 |
| 602290Amendment | Jun 21, 2005 | Jun 21, 2005 | Harrison Interests, Ltd. | Crockett | McMullan, R. B. #1 | 9,800 | 10539671 |
| 602240 | Jun 17, 2005 | Jun 17, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #13 | 9,300 | 10536739 |
| 601818 | Jun 17, 2005 | Jun 17, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #47 | 9,500 | 10539657 |
| 601816 | Jun 17, 2005 | Jun 17, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #40 | 9,500 | 10539665 |
| 602151 | Jun 16, 2005 | Jun 16, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "G" #39 | 9,800 | 10539664 |
| 601817 | Jun 9, 2005 | Jun 9, 2005 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #41 | 9,500 | 10539655 |
| 545485 | Dec 27, 2004 | Dec 27, 2004 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #5 | 9,726 | 10531967 |
| 545547 | May 14, 2004 | May 14, 2004 | Harrison Interests, Ltd. | Crockett | Davidson, C. E. III #4 | 8,100 | 10536789 |
| 545546 | May 14, 2004 | May 14, 2004 | Harrison Interests, Ltd. | Crockett | Thomason, W. A. #3 | 9,630 | 10531705 |
| 538649 | Nov 17, 2003 | Nov 17, 2003 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie "A" #15 | 9,600 | 10539147 |
| 537494 | Oct 15, 2003 | Oct 15, 2003 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "E" #69 | 9,850 | 10539132 |
| 537300 | Oct 8, 2003 | Oct 8, 2003 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "K" #64 | 9,800 | 10539131 |
| 535834 | Aug 28, 2003 | Aug 28, 2003 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "A" #67 | 9,300 | 10539110 |
| 535834Amendment | Aug 28, 2003 | Aug 28, 2003 | Harrison Interests, Ltd. | Crockett | Henderson, John W. III "A" #67 | 9,300 | 10539110 |
| 535804 | Aug 27, 2003 | Aug 27, 2003 | Harrison Interests, Ltd. | Crockett | Vada Bean G.U. 2 "C" #13 | 9,300 | 10539109 |
| 534044 | Aug 26, 2003 | Aug 26, 2003 | Harrison Interests, Ltd. | Crockett | University Land 30-30 #55 | 6,800 | 10539083 |
| 535303 | Aug 20, 2003 | Aug 20, 2003 | Harrison Interests, Ltd. | Crockett | University Land 30-30A #54 | 8,600 | 10539096 |
| 535303Amendment | Aug 20, 2003 | Aug 20, 2003 | Harrison Interests, Ltd. | Crockett | University Land 30-30A #54 | 9,000 | 10539096 |
| 534352 | Jul 24, 2003 | Jul 24, 2003 | Harrison Interests, Ltd. | Crockett | University 18-33 Gas Unit North #56 | 8,600 | 10539087 |
| 534352Amendment | Jul 24, 2003 | Jul 24, 2003 | Harrison Interests, Ltd. | Crockett | University 18-33 Gas Unit North #56 | 9,000 | 10539087 |
| 533942 | Jul 9, 2003 | Jul 9, 2003 | Harrison Interests, Ltd. | Crockett | University Lands 19-33 #57 | 8,600 | 10539082 |
| 533942Amendment | Jul 9, 2003 | Jul 9, 2003 | Harrison Interests, Ltd. | Crockett | University Lands 19-33 #57 | 8,800 | 10539082 |
| 533487 | Jun 26, 2003 | Jun 26, 2003 | Harrison Interests, Ltd. | Crockett | Perry 21 #3 | 9,500 | 10539075 |
| 533328 | Jun 23, 2003 | Jun 23, 2003 | Harrison Interests, Ltd. | Crockett | Perry 21 #4 | 9,500 | 10539074 |
| 533255 | Jun 19, 2003 | Jun 19, 2003 | Harrison Interests, Ltd. | Crockett | Perry 21 #2 | 9,500 | 10539072 |
| 533000 | Jun 12, 2003 | Jun 12, 2003 | Harrison Interests, Ltd. | Crockett | University Land 17-33 #53 | 6,800 | 10539065 |
| 532984 | Jun 12, 2003 | Jun 12, 2003 | Harrison Interests, Ltd. | Crockett | University Lands 17-33 #52 | 6,800 | 10539064 |
| 532944 | Jun 10, 2003 | Jun 10, 2003 | Harrison Interests, Ltd. | Crockett | University Lands 19-33 #51 | 8,900 | 10539061 |
| 531634 | May 15, 2003 | May 15, 2003 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie "A" #11 | 9,600 | 10539033 |
| 531633 | May 15, 2003 | May 15, 2003 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie "A" #12 | 9,600 | 10539035 |
| 531632 | May 15, 2003 | May 15, 2003 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie "A" #13 | 9,600 | 10539034 |
| 531478 | May 5, 2003 | May 5, 2003 | Harrison Interests, Ltd. | Crockett | Perry 21 #1 | 9,500 | 10539029 |
| 531380 | May 5, 2003 | May 5, 2003 | Harrison Interests, Ltd. | Crockett | McMullan, Joe Wylie "A" #14 | 9,600 | 10539028 |
| 530227 | Apr 3, 2003 | Apr 3, 2003 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #8 | 10,000 | 10539014 |
| 529913 | Mar 28, 2003 | Mar 28, 2003 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #38 | 10,000 | 10539007 |
| 529093 | Mar 4, 2003 | Mar 4, 2003 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #36 | 10,000 | 10538993 |
| 529093Amendment | Mar 4, 2003 | Mar 4, 2003 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "A" #36 | 10,000 | 10538993 |
| 528731 | Mar 4, 2003 | Mar 4, 2003 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #9 | 10,000 | 10538988 |
| 528860 | Feb 27, 2003 | Feb 27, 2003 | Harrison Interests, Ltd. | Crockett | Joe Tom Davidson, Jr. "F" #37 | 10,000 | 10538992 |
| 528850 | Feb 26, 2003 | Feb 26, 2003 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "C" #34 | 10,000 | 10538991 |
| 528848 | Feb 26, 2003 | Feb 26, 2003 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "C" #33 | 10,000 | 10538990 |
| 528725 | Feb 21, 2003 | Feb 21, 2003 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #27 | 9,400 | 10537744 |
| 528464 | Feb 17, 2003 | Feb 17, 2003 | Harrison Interests, Ltd. | Crockett | Norman Dudley Johnson #10 | 10,000 | 10538979 |
| 527505 | Feb 3, 2003 | Feb 3, 2003 | Harrison Interests, Ltd. | Crockett | Davidson, Joe Tom Jr. "F" #13 | 9,300 | 10536739 |
| 527818 | Jan 29, 2003 | Jan 29, 2003 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #11 | 10,000 | 10538970 |
| 527817 | Jan 29, 2003 | Jan 29, 2003 | Harrison Interests, Ltd. | Crockett | Johnson, Norman Dudley #7 | 10,000 | 10538969 |
| 527387 | Jan 17, 2003 | Jan 17, 2003 | Harrison Interests, Ltd. | Crockett | W.A. Thomason #6 | 10,000 | 10538958 |
| 527320 | Jan 15, 2003 | Jan 15, 2003 | Harrison Interests, Ltd. | Crockett | Thomason, W. A. #5 | 10,000 | 10538957 |
| 524370 | Oct 7, 2002 | Oct 7, 2002 | Harrison Interests, Ltd. | Crockett | University Land 19-30S #50 | 6,950 | 10538920 |