| 634609 | Mar 15, 2007 | Mar 15, 2007 | Newfield Exploration Company | Poulter #3701 | 15,000 | 44331230 |
| 634166 | Mar 2, 2007 | Mar 2, 2007 | Encore Operating, L.P. | Brown Bassett Goode Unit #5HRH | 12,900 | 44331228 |
| 632698 | Feb 28, 2007 | Feb 28, 2007 | Encore Operating, L.P. | Brown Bassett #15 | 7,000 | 44331220 |
| 633581 | Feb 16, 2007 | Feb 16, 2007 | Encore Operating, L.P. | Brown McNinch #15 | 6,700 | 44331227 |
| 632643 | Feb 10, 2007 | Feb 10, 2007 | Fasken Oil and Ranch, Ltd. | Brown SE "202" #67 | 7,500 | 44331226 |
| 632642 | Feb 10, 2007 | Feb 10, 2007 | Fasken Oil and Ranch, Ltd. | Brown SW "213" #66 | 7,500 | 44331225 |
| 632641 | Feb 10, 2007 | Feb 10, 2007 | Fasken Oil and Ranch, Ltd. | Brown NW "212" #64 | 7,500 | 44331224 |
| 632640 | Feb 10, 2007 | Feb 10, 2007 | Fasken Oil and Ranch, Ltd. | Brown NE "203" #65 | 7,500 | 44331223 |
| 633159 | Feb 9, 2007 | Feb 9, 2007 | Encore Operating, L.P. | Brown Bassett Goode Unit #6 | 6,700 | 44331222 |
| 632703 | Feb 1, 2007 | Feb 1, 2007 | Encore Operating, L.P. | Banner Estate #60R | 6,700 | 44331221 |
| 632703Amendment | Feb 1, 2007 | Feb 1, 2007 | Encore Operating, L.P. | Banner Estate #60R | 6,700 | 44331221 |
| 632519 | Jan 29, 2007 | Jan 29, 2007 | Encore Operating, L.P. | Bassett Goode #11 | 7,000 | 44331219 |
| 631006 | Jan 9, 2007 | Jan 9, 2007 | Fasken Oil and Ranch, Ltd. | Brown SW "201" #63 | 7,500 | 44331218 |
| 631005 | Jan 9, 2007 | Jan 9, 2007 | Fasken Oil and Ranch, Ltd. | Brown SW "226" #62 | 7,500 | 44331217 |
| 630684 | Dec 19, 2006 | Dec 19, 2006 | Encore Operating, L.P. | Banner Estate #80 | 6,500 | 44331216 |
| 629650 | Dec 14, 2006 | Dec 14, 2006 | Encana Oil & Gas(usa) Inc. | Acu '46' #2 | 11,300 | 44331104 |
| 630488 | Dec 13, 2006 | Dec 13, 2006 | Encore Operating, L.P. | Banner Estate #88 | 6,700 | 44331215 |
| 629283 | Dec 13, 2006 | Dec 13, 2006 | Encore Operating, L.P. | Brown Bassett Goode Unit #5HH | 12,900 | 44331210 |
| 629283Amendment | Dec 13, 2006 | Dec 13, 2006 | Encore Operating, L.P. | Brown Bassett Goode Unit #5HH | 12,900 | 44331210 |
| 630304 | Dec 12, 2006 | Dec 12, 2006 | Encore Operating, L.P. | Banner Estate #49HH | 12,600 | 44331214 |
| 629999 | Dec 5, 2006 | Dec 5, 2006 | Encore Operating, L.P. | Goode Estate #13 | 6,700 | 44331213 |
| 629803 | Dec 4, 2006 | Dec 4, 2006 | BP America Production Company | Banner Estate #37HH | 12,500 | 44331212 |
| 629478 | Nov 27, 2006 | Nov 27, 2006 | Newfield Exploration Company | Poulter #3404 | 15,000 | 44331211 |
| 629478Amendment | Nov 27, 2006 | Nov 27, 2006 | Newfield Exploration Company | Poulter 34 #4 | 13,000 | 44331211 |
| 629059 | Nov 16, 2006 | Nov 16, 2006 | Encore Operating, L.P. | Bassett Goode #10 | 6,600 | 44331209 |
| 628222 | Oct 27, 2006 | Oct 27, 2006 | Encore Operating, L.P. | Banner Estate #73 | 6,500 | 44331208 |
| 627798 | Oct 19, 2006 | Oct 19, 2006 | Encore Operating, L.P. | Bassett Goode #7HH | 12,200 | 44331207 |
| 627197 | Oct 18, 2006 | Oct 18, 2006 | Fasken Oil and Ranch, Ltd. | Brown NW "220" #59 | 7,500 | 44331202 |
| 627195 | Oct 18, 2006 | Oct 18, 2006 | Fasken Oil and Ranch, Ltd. | Brown NE "220" #58 | 7,500 | 44331206 |
| 627163 | Oct 18, 2006 | Oct 18, 2006 | Fasken Oil and Ranch, Ltd. | Geaslin NW "187" #70 | 7,500 | 44331204 |
| 627163Amendment | Oct 18, 2006 | Oct 18, 2006 | Fasken Oil and Ranch, Ltd. | Geaslin NW "187" #70H | 7,500 | 44331204 |
| 627164 | Oct 17, 2006 | Oct 17, 2006 | Fasken Oil and Ranch, Ltd. | Monroe SE "180" #24 | 7,500 | 44331205 |
| 627162 | Oct 17, 2006 | Oct 17, 2006 | Fasken Oil and Ranch, Ltd. | Brown NW "213" #61 | 7,500 | 44331203 |
| 627160 | Oct 17, 2006 | Oct 17, 2006 | Fasken Oil and Ranch, Ltd. | Brown SW "221" #60 | 7,500 | 44331201 |
| 625957 | Oct 11, 2006 | Oct 11, 2006 | Encore Operating, L.P. | Banner Estate #55 | 6,500 | 44331195 |
| 626690 | Sep 28, 2006 | Sep 28, 2006 | BP America Production Company | Banner Estate #44HH | 12,000 | 44331200 |
| 626338 | Sep 28, 2006 | Sep 28, 2006 | WTG Exploration | Aunt Josie #4 | 7,000 | 44331198 |
| 626319 | Sep 28, 2006 | Sep 28, 2006 | WTG Exploration | Aunt Josie "C" #1 | 7,000 | 44331197 |
| 626603 | Sep 27, 2006 | Sep 27, 2006 | Encore Operating, L.P. | Bassett Goode #9 | 6,600 | 44331199 |
| 626415 | Sep 22, 2006 | Sep 22, 2006 | Encore Operating, L.P. | Banner Estate #53R | 6,500 | 44331196 |
| 624360 | Sep 14, 2006 | Sep 14, 2006 | Conocophillips Company | Culbertson 16 #5 | 12,500 | 44331192 |
| 625328 | Sep 1, 2006 | Sep 1, 2006 | Encore Operating, L.P. | Banner Estate #60 | 6,500 | 44331194 |
| 625328Amendment | Sep 1, 2006 | Sep 1, 2006 | Encore Operating, L.P. | Banner Estate #60 | 6,500 | 44331194 |
| 623356 | Aug 30, 2006 | Aug 30, 2006 | Newfield Exploration Company | Poulter #3403 | 15,000 | 44331182 |
| 623356Amendment | Aug 30, 2006 | Aug 30, 2006 | Newfield Exploration Company | Poulter #3403 | 15,000 | 44331182 |
| 623422 | Aug 29, 2006 | Aug 29, 2006 | Fasken Oil and Ranch, Ltd. | Brown SE "220" #53 | 7,500 | 44331188 |
| 623455 | Aug 23, 2006 | Aug 23, 2006 | Encore Operating, L.P. | Hoge #5 | 6,500 | 44331181 |
| 624696 | Aug 21, 2006 | Aug 21, 2006 | Encore Operating, L.P. | Banner Estate #71 | 6,500 | 44331193 |
| 624274 | Aug 16, 2006 | Aug 16, 2006 | BP America Production Company | Banner State #5HH | 11,200 | 44331191 |
| 624274Amendment | Aug 16, 2006 | Aug 16, 2006 | BP America Production Company | Banner State #5HH | 12,000 | 44331191 |
| 623406 | Aug 3, 2006 | Aug 3, 2006 | Fasken Oil and Ranch, Ltd. | Brown NE "185" #57 | 7,500 | 44331190 |
| 623405 | Aug 3, 2006 | Aug 3, 2006 | Fasken Oil and Ranch, Ltd. | Brown NW "226" #56 | 7,500 | 44331189 |
| 623404 | Aug 3, 2006 | Aug 3, 2006 | Fasken Oil and Ranch, Ltd. | Brown NE "221" #55 | 7,500 | 44331187 |
| 623403 | Aug 3, 2006 | Aug 3, 2006 | Fasken Oil and Ranch, Ltd. | Brown SW "220" #54 | 7,500 | 44331186 |
| 623402 | Aug 3, 2006 | Aug 3, 2006 | Fasken Oil and Ranch, Ltd. | Brown SE "220" #52 | 7,500 | 44331185 |
| 623401 | Aug 3, 2006 | Aug 3, 2006 | Fasken Oil and Ranch, Ltd. | Brown SE "213" #50 | 7,500 | 44331184 |
| 623400 | Aug 3, 2006 | Aug 3, 2006 | Fasken Oil and Ranch, Ltd. | Brown SE "213" #49 | 7,500 | 44331183 |
| 623321 | Aug 3, 2006 | Aug 3, 2006 | Conocophillips Company | University 4 #2 | 14,000 | 44330571 |
| 621503 | Aug 2, 2006 | Aug 2, 2006 | Encore Operating, L.P. | Hoge #4 | 6,500 | 44331176 |
| 621502 | Aug 2, 2006 | Aug 2, 2006 | Encore Operating, L.P. | Banner #5 | 6,500 | 44331177 |
| 621500 | Aug 2, 2006 | Aug 2, 2006 | Encore Operating, L.P. | Hoge #3 | 6,500 | 44331175 |
| 621479 | Aug 2, 2006 | Aug 2, 2006 | Encore Operating, L.P. | Banner #4 | 6,300 | 44331301 |
| 621479Amendment | Aug 2, 2006 | Aug 2, 2006 | Encore Operating, L.P. | Banner #4 | 6,300 | 44331301 |
| 622966 | Jul 24, 2006 | Jul 24, 2006 | Encana Oil & Gas(usa) Inc. | Culbertson "18" #5 | 12,500 | 44331180 |
| 622966Amendment | Jul 24, 2006 | Jul 24, 2006 | Encana Oil & Gas(usa) Inc. | Culbertson "18" #5 | 12,500 | 44331180 |
| 622813 | Jul 18, 2006 | Jul 18, 2006 | PXP Texas Inc. | Mitchell 11 #6 | 10,076 | 44330490 |
| 622549 | Jul 18, 2006 | Jul 18, 2006 | 2 W Petroleum | Ward #1 | 2,900 | 44330878 |
| 622606 | Jul 14, 2006 | Jul 14, 2006 | Newfield Exploration Company | Poulter #3505 | 15,000 | 44331179 |
| 621837 | Jun 29, 2006 | Jun 29, 2006 | Encore Operating, L.P. | Goode Estate #10 | 6,500 | 44331178 |
| 621439 | Jun 27, 2006 | Jun 27, 2006 | Encore Operating, L.P. | Banner Estate #54 | 6,500 | 44331173 |
| 621347 | Jun 26, 2006 | Jun 26, 2006 | Conocophillips Company | Creek Ranch 12 #7 | 13,100 | 44331172 |
| 621220 | Jun 19, 2006 | Jun 19, 2006 | Marshall & Winston, Inc. | Allison #2 | 6,500 | 44331171 |
| 621182 | Jun 19, 2006 | Jun 19, 2006 | Encore Operating, L.P. | Brown Bassett #11 | 6,700 | 44331170 |
| 620747 | Jun 13, 2006 | Jun 13, 2006 | Encore Operating, L.P. | Banner Estate #53 | 6,200 | 44331168 |
| 620817 | Jun 12, 2006 | Jun 12, 2006 | Encore Operating, L.P. | Bassett Goode #6HH | 12,300 | 44331169 |
| 620817Amendment | Jun 12, 2006 | Jun 12, 2006 | Encore Operating, L.P. | Bassett Goode #6HH | 12,300 | 44331169 |
| 620624 | Jun 9, 2006 | Jun 9, 2006 | Occidental Permian Ltd. | Turk -A- #1A | 14,500 | 44300068 |
| 620213 | May 31, 2006 | May 31, 2006 | Encore Operating, L.P. | Bassett Goode #8 | 6,500 | 44331167 |
| 619395 | May 18, 2006 | May 18, 2006 | Encore Operating, L.P. | Brown McNinch Estate Unit #12 | 6,400 | 44331166 |
| 618819 | May 8, 2006 | May 8, 2006 | Encore Operating, L.P. | Banner Estate #51 | 6,100 | 44331165 |
| 617525 | Apr 18, 2006 | Apr 18, 2006 | Encore Operating, L.P. | Banner Estate #50HH | 12,200 | 44331164 |
| 617275 | Apr 14, 2006 | Apr 14, 2006 | Encore Operating, L.P. | Goode Estate Unit "B" #9 | 6,300 | 44331162 |
| 617088 | Apr 14, 2006 | Apr 14, 2006 | BP America Production Company | Banner Estate #43HH | 11,500 | 44331163 |
| 617088Amendment | Apr 14, 2006 | Apr 14, 2006 | Mobil Producing TX. & N.M. Inc. | Banner Estate #43 | 11,699 | 44331163 |
| 617058 | Apr 11, 2006 | Apr 11, 2006 | Fasken Oil and Ranch, Ltd. | Brown SE "203" #48 | 7,500 | 44331161 |
| 617057 | Apr 11, 2006 | Apr 11, 2006 | Fasken Oil and Ranch, Ltd. | Brown NW "203" #47 | 7,500 | 44331160 |
| 617056 | Apr 11, 2006 | Apr 11, 2006 | Fasken Oil and Ranch, Ltd. | Geaslin NE "199" #69 | 7,500 | 44331159 |
| 617055 | Apr 11, 2006 | Apr 11, 2006 | Fasken Oil and Ranch, Ltd. | Geaslin SW "199" #68 | 7,500 | 44331158 |
| 617141 | Apr 6, 2006 | Apr 6, 2006 | Encore Operating, L.P. | Banner Estate #48 | 14,700 | 44331157 |
| 616665 | Apr 3, 2006 | Apr 3, 2006 | EOG Resources, Inc. | Noelke A #2602 | 10,190 | 44331009 |
| 616325 | Mar 28, 2006 | Mar 28, 2006 | Rio-Tex, Inc. | University #3104 | 9,000 | 44331156 |
| 616240 | Mar 28, 2006 | Mar 28, 2006 | Encana Oil & Gas(usa) Inc. | Culbertson "17" #9 | 12,200 | 44331155 |
| 616212 | Mar 28, 2006 | Mar 28, 2006 | Encana Oil & Gas(usa) Inc. | Acu "48" #7 | 12,100 | 44331154 |
| 615803 | Mar 20, 2006 | Mar 20, 2006 | Fasken Oil and Ranch, Ltd. | Brown SE "221" #39 | 7,500 | 44331153 |
| 615550 | Mar 15, 2006 | Mar 15, 2006 | PXP Texas Inc. | Mitchell 7 #8 | 10,232 | 44331082 |
| 615126 | Mar 8, 2006 | Mar 8, 2006 | Conocophillips Company | Creek Ranch -12- #1 | 11,881 | 44330552 |
| 614790 | Mar 2, 2006 | Mar 2, 2006 | Fasken Oil and Ranch, Ltd. | Brown SE "211" #45 | 7,500 | 44331151 |
| 614791 | Mar 1, 2006 | Mar 1, 2006 | Fasken Oil and Ranch, Ltd. | Brown SW "212" #46 | 7,500 | 44331152 |
| 614789 | Mar 1, 2006 | Mar 1, 2006 | Fasken Oil and Ranch, Ltd. | Brown SW "211" #44 | 7,500 | 44331150 |
| 614788 | Mar 1, 2006 | Mar 1, 2006 | Fasken Oil and Ranch, Ltd. | Brown SW "211" #43 | 7,500 | 44331149 |