| 610852Amendment | Dec 12, 2005 | Dec 12, 2005 | Cabot Oil & Gas Corporation | Shelby | Sustainable Forrest, LLC #141931046 | 9,500 |
| 610852Amendment | Dec 12, 2005 | Dec 12, 2005 | Cabot Oil & Gas Corporation | Shelby | Sustainable Forrest, LLC #141931046 | 9,500 |
| 610852Amendment | Dec 12, 2005 | Dec 12, 2005 | Cabot Oil & Gas Corporation | Shelby | Sustainable Forrest, LLC #141931046 | 9,500 |
| 609666 | Nov 17, 2005 | Nov 17, 2005 | Cabot Oil & Gas Corporation | Rusk | Pinkerton #140133741 | 12,000 |
| 607803 | Oct 13, 2005 | Oct 13, 2005 | Cabot Oil & Gas Corporation | Rusk | Rogers #140133699 | 12,000 |
| 607130 | Sep 29, 2005 | Sep 29, 2005 | Cabot Oil & Gas Corporation | Rusk | J.R. Harrell #140133694 | 12,000 |
| 607130Amendment | Sep 29, 2005 | Sep 29, 2005 | Cabot Oil & Gas Corporation | Rusk | Harrell Gas Unit #140133694 | 12,000 |
| 603942 | Jul 26, 2005 | Jul 26, 2005 | Cabot Oil & Gas Corporation | San Patricio | McCampbell #140932801 | 13,500 |
| 558852 | Mar 10, 2005 | Mar 10, 2005 | Cabot Oil & Gas Corporation | Nueces | State Tract 277 #335533581 | 12,650 |
| 557582Amendment | Feb 11, 2005 | Feb 11, 2005 | Cabot Oil & Gas Corporation | Aransas | Roark #100730866 | 9,000 |
| 556741 | Jan 25, 2005 | Jan 25, 2005 | Cabot Oil & Gas Corporation | Nueces | State Tract 277 #135533408 | 11,000 |
| 555030 | Dec 17, 2004 | Dec 17, 2004 | Cabot Oil & Gas Corporation | Nueces | State Tract 277 #335533581 | 12,650 |
| 554263Amendment | Dec 1, 2004 | Dec 1, 2004 | Cabot Oil & Gas Corporation | Liberty | Hazeltine Unit #129132578 | 18,000 |
| 554263Amendment | Dec 1, 2004 | Dec 1, 2004 | Cabot Oil & Gas Corporation | Liberty | Hazeltine Unit #129132578 | 18,000 |
| 550836 | Sep 10, 2004 | Sep 10, 2004 | Cabot Oil & Gas Corporation | San Patricio | State Tract 352 #140932685 | 12,995 |
| 546054 | May 24, 2004 | May 24, 2004 | Cabot Oil & Gas Corporation | Aransas | State Tract 281 #100730863 | 11,050 |
| 545517 | May 10, 2004 | May 10, 2004 | Cabot Oil & Gas Corporation | Nueces | State Tract 277 #335533581 | 12,650 |
| 544379 | Apr 13, 2004 | Apr 13, 2004 | Cabot Oil & Gas Corporation | Nueces | State Tract 277 #235533549 | 11,000 |
| 543723 | Mar 26, 2004 | Mar 26, 2004 | Cabot Oil & Gas Corporation | San Patricio | State Tract 352 #240932715 | 15,000 |
| 543156 | Mar 12, 2004 | Mar 12, 2004 | Cabot Oil & Gas Corporation | Aransas | State Tract 282 #100730862 | 11,500 |
| 542562 | Feb 26, 2004 | Feb 26, 2004 | Cabot Oil & Gas Corporation | Nueces | State Tract 287 #135533614 | 14,500 |
| 542562Amendment | Feb 26, 2004 | Feb 26, 2004 | Cabot Oil & Gas Corporation | Nueces | State Tract 287 & 288 #135533614 | 14,500 |
| 541605 | Feb 3, 2004 | Feb 3, 2004 | Cabot Oil & Gas Corporation | Aransas | Burke #100730861 | 13,000 |
| 541605Amendment | Feb 3, 2004 | Feb 3, 2004 | Cabot Oil & Gas Corporation | Aransas | Burke #100730861 | 13,000 |
| 536504 | Oct 13, 2003 | Oct 13, 2003 | Cabot Oil & Gas Corporation | Nueces | State Tract 277 #335533581 | 12,650 |
| 532354 | May 23, 2003 | May 23, 2003 | Cabot Oil & Gas Corporation | Nueces | Stated Tract 277 #235533549 | 11,000 |
| 530462 | Apr 8, 2003 | Apr 8, 2003 | Cabot Oil & Gas Corporation | San Patricio | State Tract 352 #140932685 | 14,390 |
| 528884 | Feb 26, 2003 | Feb 26, 2003 | Cabot Oil & Gas Corporation | San Patricio | State Tract 340 #140932727 | 10,200 |
| 528884Amendment | Feb 26, 2003 | Feb 26, 2003 | Cabot Oil & Gas Corporation | San Patricio | State Tract 340 #140932727 | 12,000 |
| 528320 | Feb 10, 2003 | Feb 10, 2003 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline. A. W. #1921533081 | 12,200 |
| 523908 | Oct 17, 2002 | Oct 17, 2002 | Cabot Oil & Gas Corporation | San Patricio | State Tract 352 #240932715 | 15,000 |
| 524136 | Sep 27, 2002 | Sep 27, 2002 | Cabot Oil & Gas Corporation | San Patricio | State Tract 324 #140932675 | 10,300 |
| 520302 | Jul 22, 2002 | Jul 22, 2002 | Cabot Oil & Gas Corporation | Lipscomb | Kelln, David #229532652 | 11,400 |
| 515690 | Nov 30, 2001 | Nov 30, 2001 | Cabot Oil & Gas Corporation | Nueces | State Tract 288 #135533434 | 14,100 |
| 512444 | Aug 21, 2001 | Aug 21, 2001 | Cabot Oil & Gas Corporation | Nueces | State Tract 285 #135533408 | 11,000 |
| 512444Amendment | Aug 21, 2001 | Aug 21, 2001 | Cabot Oil & Gas Corporation | Nueces | State Tract 285 #135533408 | 11,000 |
| 512444Amendment | Aug 21, 2001 | Aug 21, 2001 | Cabot Oil & Gas Corporation | Nueces | State Tract 285 #135533408 | 11,000 |
| 512528 | Aug 13, 2001 | Aug 13, 2001 | Cabot Oil & Gas Corporation | San Patricio | State Tract 352 #140932685 | 10,900 |
| 512528Amendment | Aug 13, 2001 | Aug 13, 2001 | Cabot Oil & Gas Corporation | San Patricio | State Tract 352 #140932685 | 11,500 |
| 511492 | Jul 16, 2001 | Jul 16, 2001 | Cabot Oil & Gas Corporation | Aransas | State Tract 228 #100730850 | 10,000 |
| 511492Amendment | Jul 16, 2001 | Jul 16, 2001 | Cabot Oil & Gas Corporation | Aransas | State Tract 228 #100730850 | 10,000 |
| 508017 | Apr 25, 2001 | Apr 25, 2001 | Cabot Oil & Gas Corporation | San Patricio | State Tract 324 #140932675 | 10,300 |
| 508017Amendment | Apr 25, 2001 | Apr 25, 2001 | Cabot Oil & Gas Corporation | San Patricio | State Tract 324 #140932675 | 10,300 |
| 499827 | Oct 31, 2000 | Oct 31, 2000 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1921532803 | 12,200 |
| 494461 | Apr 26, 2000 | Apr 26, 2000 | Cabot Oil & Gas Corporation | Duval | Weil Heirs #113138396 | 12,100 |
| 494461Amendment | Apr 26, 2000 | Apr 26, 2000 | Cabot Oil & Gas Corporation | Duval | Weil Heirs #113138396 | 12,100 |
| 490258 | Dec 10, 1999 | Dec 10, 1999 | Cabot Oil & Gas Corporation | Colorado | E. P. Cooper Gas Unit No. 2 #5L08932194 | 10,650 |
| 490258Amendment | Dec 10, 1999 | Dec 10, 1999 | Cabot Oil & Gas Corporation | Colorado | E. P. Cooper Gas Unit No. 2 #5L08932194 | 10,650 |
| 488362 | Oct 11, 1999 | Oct 11, 1999 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #14R21532693 | 13,000 |
| 487191 | Sep 1, 1999 | Sep 1, 1999 | Cabot Oil & Gas Corporation | Colorado | E. P. Cooper Gas Unit 2 #4L08932167 | 10,650 |
| 485569 | Jun 30, 1999 | Jun 30, 1999 | Cabot Oil & Gas Corporation | Chambers | Middleton #1 320.136 Acre Unit #107132161 | 12,800 |
| 485569Amendment | Jun 30, 1999 | Jun 30, 1999 | Cabot Oil & Gas Corporation | Chambers | Middleton #1 320.136 Acre Unit #107132161 | 12,800 |
| 484828 | May 27, 1999 | May 27, 1999 | Cabot Oil & Gas Corporation | Wheeler | Firestone #10848331570 | 16,300 |
| 484398 | May 7, 1999 | May 7, 1999 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #521532131 | 12,000 |
| 483038 | Mar 2, 1999 | Mar 2, 1999 | Cabot Oil & Gas Corporation | Chambers | Broussard-Middleton #1R07132132 | 11,840 |
| 482635 | Feb 10, 1999 | Feb 10, 1999 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1321532541 | 12,390 |
| 482635Amendment | Feb 10, 1999 | Feb 10, 1999 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1321532541 | 12,390 |
| 482410 | Feb 2, 1999 | Feb 2, 1999 | Cabot Oil & Gas Corporation | Colorado | E. P. Cooper Gas Unit 2 #308932118 | 12,700 |
| 481729 | Dec 28, 1998 | Dec 28, 1998 | Cabot Oil & Gas Corporation | Colorado | Kaiser, J. Estate #108932110 | 12,200 |
| 481729Amendment | Dec 28, 1998 | Dec 28, 1998 | Cabot Oil & Gas Corporation | Colorado | Kaiser, J. Estate #108932110 | 12,200 |
| 481398 | Dec 10, 1998 | Dec 10, 1998 | Cabot Oil & Gas Corporation | Lavaca | Hancock, et al G. U. #328532519 | 13,192 |
| 481394 | Dec 9, 1998 | Dec 9, 1998 | Cabot Oil & Gas Corporation | McMullen | Penn, Stella #831133460 | 11,100 |
| 480777 | Nov 12, 1998 | Nov 12, 1998 | Cabot Oil & Gas Corporation | Duval | Marshall Gas Unit 38 #113138305 | 10,500 |
| 480777Amendment | Nov 12, 1998 | Nov 12, 1998 | Cabot Oil & Gas Corporation | Duval | Marshall Gas Unit 38 #113138305 | 11,000 |
| 480776 | Nov 12, 1998 | Nov 12, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #9R21532603 | 13,000 |
| 480752 | Nov 10, 1998 | Nov 10, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #11R21532601 | 13,000 |
| 480751 | Nov 10, 1998 | Nov 10, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #12R21532602 | 13,000 |
| 480606 | Nov 2, 1998 | Nov 2, 1998 | Cabot Oil & Gas Corporation | Colorado | E. P. Cooper Gas Unit 2 #208932100 | 12,200 |
| 480606Amendment | Nov 2, 1998 | Nov 2, 1998 | Cabot Oil & Gas Corporation | Colorado | E. P. Cooper Gas Unit 2 #208932100 | 12,700 |
| 480349 | Oct 27, 1998 | Oct 27, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Lockhart 184 #329532468 | 11,600 |
| 480349Amendment | Oct 27, 1998 | Oct 27, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Lockhart 184 #329532468 | 11,600 |
| 480348 | Oct 27, 1998 | Oct 27, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Lockhart 184 #429532467 | 11,600 |
| 480347 | Oct 27, 1998 | Oct 27, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Loackhart 184 #529532466 | 11,600 |
| 480330 | Oct 23, 1998 | Oct 23, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Dorsey -6- #18529532469 | 11,600 |
| 480329 | Oct 23, 1998 | Oct 23, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Lockhart -2- #18429532470 | 11,600 |
| 480257 | Oct 19, 1998 | Oct 19, 1998 | Cabot Oil & Gas Corporation | McMullen | Lindholm Gas Unit 45 #231133529 | 13,250 |
| 480113 | Oct 13, 1998 | Oct 13, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1121532346 | 13,000 |
| 480112 | Oct 13, 1998 | Oct 13, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Dorsey #529532465 | 11,600 |
| 480112Amendment | Oct 13, 1998 | Oct 13, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Dorsey #529532465 | 11,600 |
| 479544 | Sep 18, 1998 | Sep 18, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1221532367 | 13,000 |
| 479328 | Sep 10, 1998 | Sep 10, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Gracie #129532457 | 9,000 |
| 479187 | Sep 1, 1998 | Sep 1, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Walter #329532455 | 11,600 |
| 479065 | Aug 27, 1998 | Aug 27, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Dorsey #329532450 | 11,600 |
| 479064 | Aug 27, 1998 | Aug 27, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Dorsey #429532451 | 11,600 |
| 478781 | Aug 24, 1998 | Aug 24, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Dorsey "2" #18529532429 | 11,407 |
| 478460 | Aug 5, 1998 | Aug 5, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Walter "2" #25629532379 | 11,400 |
| 478062 | Jul 17, 1998 | Jul 17, 1998 | Cabot Oil & Gas Corporation | Colorado | E. P. Cooper Gas Unit 2 #108932083 | 11,700 |
| 478062Amendment | Jul 17, 1998 | Jul 17, 1998 | Cabot Oil & Gas Corporation | Colorado | E. P. Cooper Gas Unit 2 #108932083 | 12,000 |
| 476705 | May 28, 1998 | May 28, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1821532557 | 13,500 |
| 476351 | May 18, 1998 | May 18, 1998 | Cabot Oil & Gas Corporation | Chambers | Broussard-Middleton #1R07132132 | 12,500 |
| 476351Amendment | May 18, 1998 | May 18, 1998 | Cabot Oil & Gas Corporation | Chambers | Broussard-Middleton #1R07132132 | 12,500 |
| 476152 | May 11, 1998 | May 11, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1621532542 | 13,500 |
| 476152Amendment | May 11, 1998 | May 11, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1621532542 | 13,500 |
| 476150 | May 11, 1998 | May 11, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1321532541 | 13,500 |
| 476150Amendment | May 11, 1998 | May 11, 1998 | Cabot Oil & Gas Corporation | Hidalgo | Beaurline, A. W. #1321532541 | 13,500 |
| 475746 | Apr 28, 1998 | Apr 28, 1998 | Cabot Oil & Gas Corporation | McMullen | Lindholm Gas Unit 45 #131133518 | 12,500 |
| 475635 | Apr 24, 1998 | Apr 24, 1998 | Cabot Oil & Gas Corporation | McMullen | Cole Gas Unit #131133517 | 12,800 |
| 475312 | Apr 14, 1998 | Apr 14, 1998 | Cabot Oil & Gas Corporation | Chambers | E. Moss Unit #107132128 | 12,000 |
| 475068 | Apr 14, 1998 | Apr 14, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Halbrook, Phillip #103229532434 | 8,900 |
| 474120 | Mar 12, 1998 | Mar 12, 1998 | Cabot Oil & Gas Corporation | Lipscomb | Dorsey #218529532429 | 11,500 |