| 658242 | Apr 11, 2008 | Apr 11, 2008 | Neg Operating LLC | Rusk | Cherokee Water Company Unit #10 | 12,000 | 40134720 |
| 658197 | Apr 10, 2008 | Apr 10, 2008 | Neg Operating LLC | Harrison | Carolynn Bell Gas Unit No. 1 #11 | 12,000 | 20334378 |
| 658125 | Apr 9, 2008 | Apr 9, 2008 | Neg Operating LLC | Harrison | Ava Porter Gas Unit #2 | 12,000 | 20334383 |
| 658080 | Apr 8, 2008 | Apr 8, 2008 | Neg Operating LLC | Harrison | Bonner Gas Unit #3 | 12,000 | 20334375 |
| 658077 | Apr 8, 2008 | Apr 8, 2008 | Neg Operating LLC | Harrison | Mattie Dixon Gas Unit #12 | 12,000 | 20334374 |
| 656903 | Mar 25, 2008 | Mar 25, 2008 | Neg Operating LLC | Gregg | Cherokee Water Company Unit #12 | 12,000 | 18332030 |
| 656758 | Mar 14, 2008 | Mar 14, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd, et al "11" #17 | 12,000 | 13539470 |
| 656655 | Mar 14, 2008 | Mar 14, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd, et al "18" #4 | 12,000 | 13539469 |
| 656654 | Mar 13, 2008 | Mar 13, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd, et al "7" #11 | 12,000 | 13539468 |
| 656652 | Mar 13, 2008 | Mar 13, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd, et al "7" #10 | 12,000 | 13539467 |
| 656642 | Mar 13, 2008 | Mar 13, 2008 | Neg Operating LLC | Harrison | Carolynn Bell Gas Unit 1 #10 | 12,000 | 20334356 |
| 656255 | Mar 7, 2008 | Mar 7, 2008 | Neg Operating LLC | Harrison | Hallsville Isd Gas Unit #4 | 12,000 | 20334351 |
| 655310 | Feb 23, 2008 | Feb 23, 2008 | Neg Operating LLC | Rusk | McHaney Gas Unit NO 1 #10 | 14,000 | 40134662 |
| 654476 | Feb 22, 2008 | Feb 22, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd et al 18 #2 | 12,000 | 13539454 |
| 654808 | Feb 20, 2008 | Feb 20, 2008 | Neg Operating LLC | Harrison | Grimsinger #2 | 12,000 | 20334308 |
| 653857 | Feb 19, 2008 | Feb 19, 2008 | Neg Operating LLC | Harrison | Holloway Gas Unit #6 | 12,000 | 20334320 |
| 654695 | Feb 14, 2008 | Feb 14, 2008 | Neg Operating LLC | Harrison | Vann-McElroy Gas Unit #2 | 14,000 | 20334305 |
| 654621 | Feb 14, 2008 | Feb 14, 2008 | Neg Operating LLC | Harrison | Carolynn Bell Unit No. 1 #14 | 12,000 | 20334299 |
| 654621Amendment | Feb 14, 2008 | Feb 14, 2008 | Neg Operating LLC | Harrison | Carolynn Bell Unit No. 1 #14 | 12,000 | 20334299 |
| 654303 | Feb 11, 2008 | Feb 11, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al "7" #7 | 12,000 | 13539452 |
| 654300 | Feb 8, 2008 | Feb 8, 2008 | Neg Operating LLC | Harrison | Lockhart #2 | 14,000 | 20334294 |
| 653902 | Feb 4, 2008 | Feb 4, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd et al "11" #16 | 12,000 | 13539451 |
| 653780 | Feb 2, 2008 | Feb 2, 2008 | Neg Operating LLC | Harrison | Bonner Gas Unit #6 | 12,000 | 20334285 |
| 653800 | Feb 1, 2008 | Feb 1, 2008 | Neg Operating LLC | Rusk | Gladney Gas Unit #11 | 14,000 | 40134633 |
| 653507 | Jan 30, 2008 | Jan 30, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 7 #9 | 12,000 | 13539437 |
| 653286 | Jan 25, 2008 | Jan 25, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et Al #705 | 12,000 | 13539435 |
| 652813 | Jan 16, 2008 | Jan 16, 2008 | Neg Operating LLC | Harrison | Lowry Gas Unit #4 | 12,000 | 20334261 |
| 651962 | Jan 3, 2008 | Jan 3, 2008 | Neg Operating LLC | Harrison | Faron Cain Gas Unit #12 | 10,700 | 20334242 |
| 651883 | Jan 2, 2008 | Jan 2, 2008 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et Al #704 | 12,000 | 13539421 |
| 651759 | Dec 21, 2007 | Dec 21, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1801 | 12,000 | 13539419 |
| 650062 | Dec 21, 2007 | Dec 21, 2007 | Neg Operating LLC | Rusk | Shelton Gas Unit No. 1 #4 | 14,000 | 40134582 |
| 651199 | Dec 19, 2007 | Dec 19, 2007 | Neg Operating LLC | Harrison | Bonner Gas Unit #5 | 12,000 | 20334227 |
| 651141 | Dec 17, 2007 | Dec 17, 2007 | Neg Operating LLC | Harrison | Magrill #2 | 12,000 | 20334224 |
| 650045 | Nov 30, 2007 | Nov 30, 2007 | Neg Operating LLC | Gregg | Cherokee Water Company Unit #11 | 12,000 | 18332001 |
| 649624 | Nov 20, 2007 | Nov 20, 2007 | Neg Operating LLC | Harrison | Rollie C. Sims Gas Unit #9 | 12,000 | 20334193 |
| 649519 | Nov 16, 2007 | Nov 16, 2007 | Neg Operating LLC | Harrison | Rollie C. Sims Gas Unit #8 | 12,000 | 20334191 |
| 649025 | Nov 12, 2007 | Nov 12, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1114 | 12,000 | 13539391 |
| 648969 | Nov 9, 2007 | Nov 9, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 7 #6 | 9,000 | 13539390 |
| 648675 | Nov 5, 2007 | Nov 5, 2007 | Neg Operating LLC | Harrison | Swepco Gas Unit #11 | 12,000 | 20334177 |
| 648721 | Nov 2, 2007 | Nov 2, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 7 #8 | 9,000 | 13539388 |
| 647967 | Oct 19, 2007 | Oct 19, 2007 | Neg Operating LLC | Harrison | Welch Gas Unit No. 1 #10 | 12,000 | 20334162 |
| 647528 | Oct 15, 2007 | Oct 15, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1113 | 12,000 | 13539384 |
| 647527 | Oct 15, 2007 | Oct 15, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1112 | 12,000 | 13539383 |
| 647512 | Oct 15, 2007 | Oct 15, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1111 | 12,000 | 13539382 |
| 647229 | Oct 9, 2007 | Oct 9, 2007 | Neg Operating LLC | Harrison | Mary Louise Waldron Gas Unit #11 | 12,000 | 20334150 |
| 645473 | Sep 10, 2007 | Sep 10, 2007 | Neg Operating LLC | Harrison | Mary Louise Waldron Gas Unit #10 | 12,000 | 20334116 |
| 644825 | Aug 23, 2007 | Aug 23, 2007 | Neg Operating LLC | Harrison | Bell, Carolynn Unit No. 1 #6 | 12,000 | 20334104 |
| 643631 | Aug 20, 2007 | Aug 20, 2007 | Neg Operating LLC | Harrison | Mary Louise Waldron Gas Unit #9 | 12,000 | 20334098 |
| 644199 | Aug 14, 2007 | Aug 14, 2007 | Neg Operating LLC | Harrison | Mattie Dixon Gas Unit #13 | 12,000 | 20334081 |
| 644151 | Aug 14, 2007 | Aug 14, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1110 | 12,000 | 13539357 |
| 644150 | Aug 13, 2007 | Aug 13, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1109 | 12,000 | 13539356 |
| 643601 | Aug 8, 2007 | Aug 8, 2007 | Neg Operating LLC | Ector | Parker Minerals Ltd et Al #4801 | 9,000 | 13538778 |
| 637671Amendment | Aug 8, 2007 | Aug 8, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 7 #2 | 9,000 | 13539316 |
| 637670Amendment | Aug 7, 2007 | Aug 7, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 11 #5 | 9,000 | 13539315 |
| 642389 | Jul 21, 2007 | Jul 21, 2007 | Neg Operating LLC | Harrison | Loftis Gas Unit #3 | 12,000 | 20334040 |
| 641599 | Jul 11, 2007 | Jul 11, 2007 | Neg Operating LLC | Harrison | Young, Thelma #1 | 12,000 | 20334018 |
| 641596 | Jul 11, 2007 | Jul 11, 2007 | Neg Operating LLC | Harrison | Resch Gas Unit #3 | 12,000 | 20334017 |
| 641103 | Jul 2, 2007 | Jul 2, 2007 | Neg Operating LLC | Harrison | Cal Farley Boys Ranch #2 | 12,000 | 20334006 |
| 640178 | Jun 13, 2007 | Jun 13, 2007 | Neg Operating LLC | Harrison | Magrill #1 | 12,000 | 20333993 |
| 639902 | Jun 8, 2007 | Jun 8, 2007 | Neg Operating LLC | Harrison | Mattie Dixon Gas Unit #10 | 12,000 | 20333988 |
| 639510 | May 29, 2007 | May 29, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1108 | 9,000 | 13539327 |
| 639508 | May 29, 2007 | May 29, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1107 | 9,000 | 13539326 |
| 639507 | May 29, 2007 | May 29, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd et Al #1106 | 9,000 | 13539325 |
| 638914 | May 19, 2007 | May 19, 2007 | Neg Operating LLC | Ector | Parker Minerals Ltd et al 7 #3 | 9,000 | 13539318 |
| 637671 | May 1, 2007 | May 1, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 7 #2 | 6,450 | 13539316 |
| 637670 | May 1, 2007 | May 1, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 11 #5 | 6,425 | 13539315 |
| 637668 | May 1, 2007 | May 1, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 11 #4 | 6,425 | 13539314 |
| 637667 | May 1, 2007 | May 1, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et al 7 #1 | 6,425 | 13539313 |
| 637372 | Apr 27, 2007 | Apr 27, 2007 | Neg Operating LLC | Harrison | Mc Natt #1 | 11,000 | 20333934 |
| 637371 | Apr 27, 2007 | Apr 27, 2007 | Neg Operating LLC | Harrison | Carolynn Bell Gas Unit No. 1 #9 | 11,100 | 20333933 |
| 637377 | Apr 25, 2007 | Apr 25, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et Al #1103 | 6,425 | 13539312 |
| 636547 | Apr 13, 2007 | Apr 13, 2007 | Neg Operating LLC | Harrison | Swepco Gas Unit #12 | 11,450 | 20333904 |
| 636545 | Apr 13, 2007 | Apr 13, 2007 | Neg Operating LLC | Ector | Parker Minerals, Ltd, et Al #207 | 6,850 | 13539307 |
| 636540 | Apr 13, 2007 | Apr 13, 2007 | Neg Operating LLC | Harrison | Hardt Gas Unit #1 | 11,025 | 20333903 |
| 636533 | Apr 13, 2007 | Apr 13, 2007 | Neg Operating LLC | Harrison | Porter, Ava #1 | 11,225 | 20333901 |
| 635680 | Mar 29, 2007 | Mar 29, 2007 | Neg Operating LLC | Harrison | Killingsworth #1 | 11,425 | 20333881 |
| 633668 | Feb 22, 2007 | Feb 22, 2007 | Neg Operating LLC | Harrison | Salmon #1 | 11,175 | 20333844 |
| 632656 | Jan 31, 2007 | Jan 31, 2007 | Neg Operating LLC | Harrison | Hallsville I. S. D. #1 | 11,330 | 20333817 |
| 630125 | Dec 27, 2006 | Dec 27, 2006 | Neg Operating LLC | Harrison | Justice Gas Unit #5 | 11,300 | 20333775 |
| 628518 | Nov 17, 2006 | Nov 17, 2006 | Neg Operating LLC | Harrison | Cecil B. Greer Gas Unit #4 | 10,850 | 20333725 |
| 629019 | Nov 14, 2006 | Nov 14, 2006 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et Al #1102 | 6,400 | 13539234 |
| 629019Amendment | Nov 14, 2006 | Nov 14, 2006 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et Al #1102 | 6,400 | 13539234 |
| 628090 | Oct 26, 2006 | Oct 26, 2006 | Neg Operating LLC | Harrison | Cal Farley Boys Ranch #1 | 11,000 | 20333714 |
| 628019 | Oct 25, 2006 | Oct 25, 2006 | Neg Operating LLC | Harrison | Justice Gas Unit #4 | 10,900 | 20333712 |
| 628018 | Oct 25, 2006 | Oct 25, 2006 | Neg Operating LLC | Harrison | Amis Gas Unit #5 | 10,825 | 20333713 |
| 627825 | Oct 19, 2006 | Oct 19, 2006 | Neg Operating LLC | Harrison | Amis Gas Unit #4 | 10,875 | 20333705 |
| 627170 | Oct 6, 2006 | Oct 6, 2006 | Neg Operating LLC | Ector | Goldsmith Adobe Unit #4909 | 6,100 | 13539215 |
| 627170Amendment | Oct 6, 2006 | Oct 6, 2006 | Neg Operating LLC | Ector | Goldsmith Adobe Unit #4909 | 9,000 | 13539215 |
| 627169 | Oct 6, 2006 | Oct 6, 2006 | Neg Operating LLC | Ector | Goldsmith Adobe Unit #5008 | 6,100 | 13539214 |
| 626360 | Sep 22, 2006 | Sep 22, 2006 | Neg Operating LLC | Harrison | Carolynn Bell Gas Unit No. 1 #7 | 11,000 | 20333673 |
| 624543 | Aug 17, 2006 | Aug 17, 2006 | Neg Operating LLC | Rusk | Gladney Gas Unit #10 | 14,000 | 40134036 |
| 616845 | Aug 15, 2006 | Aug 15, 2006 | Neg Operating LLC | Lavaca | Steinman #6 | 4,200 | 28533257 |
| 623373 | Aug 3, 2006 | Aug 3, 2006 | Neg Operating LLC | Lavaca | Neuhaus-Sandra #4 | 10,000 | 28533302 |
| 623495 | Jul 31, 2006 | Jul 31, 2006 | Neg Operating LLC | Harrison | Jolin Gas Unit #1 | 11,000 | 20333188 |
| 623298 | Jul 26, 2006 | Jul 26, 2006 | Neg Operating LLC | Harrison | Resch Gas Unit #2 | 10,875 | 20333599 |
| 623298Amendment | Jul 26, 2006 | Jul 26, 2006 | Neg Operating LLC | Harrison | Resch Gas Unit #2 | 11,400 | 20333599 |
| 622555 | Jul 13, 2006 | Jul 13, 2006 | Neg Operating LLC | Harrison | Loftis Gas Unit #2 | 10,875 | 20333582 |
| 622555Amendment | Jul 13, 2006 | Jul 13, 2006 | Neg Operating LLC | Harrison | Loftis Gas Unit #2 | 11,400 | 20333582 |
| 621588 | Jun 27, 2006 | Jun 27, 2006 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et Al #1101 | 6,400 | 13539139 |
| 621587 | Jun 27, 2006 | Jun 27, 2006 | Neg Operating LLC | Ector | Parker Minerals, Ltd., et Al #2003 | 6,700 | 13539138 |