| 696167Amendment | May 24, 2010 | May 24, 2010 | King Operating Corporation | Scurry | Ernest 34 #1HH | 7,000 | 41534617 |
| 690383 | Jan 28, 2010 | Jan 28, 2010 | King Operating Corporation | Scurry | Ernest "H" #10HH | 7,500 | 41534429 |
| 686695 | Oct 28, 2009 | Oct 28, 2009 | King Operating Corporation | Scurry | Ernest "Q" #19HH | 7,500 | 41534561 |
| 686344 | Oct 20, 2009 | Oct 20, 2009 | King Operating Corporation | Scurry | Ernest SWD #1 | 2,500 | 41534558 |
| 685186 | Sep 17, 2009 | Sep 17, 2009 | King Operating Corporation | Scurry | Ernest "P" #18HH | 7,300 | 41534557 |
| 671314Amendment | Jun 3, 2009 | Jun 3, 2009 | King Operating Corporation | Scurry | Ernest "M" #15HH | 7,500 | 41534467 |
| 671314Amendment | Jun 3, 2009 | Jun 3, 2009 | King Operating Corporation | Scurry | Ernest "M" #15HH | 7,500 | 41534467 |
| 680198 | May 18, 2009 | May 18, 2009 | King Operating Corporation | Scurry | Ernest "O" #17HH | 7,500 | 41534537 |
| 680198Amendment | May 18, 2009 | May 18, 2009 | King Operating Corporation | Scurry | Ernest "O" #17HH | 7,500 | 41534537 |
| 681210 | May 14, 2009 | May 14, 2009 | King Operating Corporation | Scurry | King-Hermleigh "B" #2HH | 7,400 | 41534536 |
| 680190 | Apr 8, 2009 | Apr 8, 2009 | King Operating Corporation | Scurry | Ernest "N" #16HH | 7,500 | 41534527 |
| 680190Amendment | Apr 8, 2009 | Apr 8, 2009 | King Operating Corporation | Scurry | Ernest "N" #16HH | 7,500 | 41534527 |
| 680190Amendment | Apr 8, 2009 | Apr 8, 2009 | King Operating Corporation | Scurry | Ernest "N" #16HH | 7,500 | 41534527 |
| 672539 | Oct 14, 2008 | Oct 14, 2008 | King Operating Corporation | Scurry | Ernest "L" #14HH | 7,500 | 41534473 |
| 671316 | Oct 2, 2008 | Oct 2, 2008 | King Operating Corporation | Scurry | Ernest "K" #13HH | 7,500 | 41534468 |
| 671314 | Oct 2, 2008 | Oct 2, 2008 | King Operating Corporation | Scurry | Ernest "M" #15HH | 7,500 | 41534467 |
| 671314Amendment | Oct 2, 2008 | Oct 2, 2008 | King Operating Corporation | Scurry | Ernest "M" #15HH | 7,500 | 41534467 |
| 671314Amendment | Oct 2, 2008 | Oct 2, 2008 | King Operating Corporation | Scurry | Ernest "M" #15HH | 7,500 | 41534467 |
| 667015Amendment | Aug 27, 2008 | Aug 27, 2008 | King Operating Corporation | Scurry | Ernest "J" #12HH | 7,500 | 41534451 |
| 667015 | Aug 6, 2008 | Aug 6, 2008 | King Operating Corporation | Scurry | Ernest "J" #12HH | 7,500 | 41534451 |
| 665599 | Jul 18, 2008 | Jul 18, 2008 | King Operating Corporation | Scurry | Ernest "I" #11HH | 7,500 | 41534444 |
| 665113 | Jun 26, 2008 | Jun 26, 2008 | King Operating Corporation | Scurry | Ernest "H" #10HH | 7,500 | 41534429 |
| 654839 | Feb 15, 2008 | Feb 15, 2008 | King Operating Corporation | Scurry | Ernest "G" #9HH | 7,500 | 41534386 |
| 652169 | Jan 7, 2008 | Jan 7, 2008 | King Operating Corporation | Scurry | Ernest F #8HH | 7,050 | 41534373 |
| 650673 | Dec 11, 2007 | Dec 11, 2007 | King Operating Corporation | Scurry | Earnest E #7HH | 7,000 | 41534366 |
| 650673Amendment | Dec 11, 2007 | Dec 11, 2007 | King Operating Corporation | Scurry | Earnest E #7HH | 7,000 | 41534366 |
| 649074 | Nov 12, 2007 | Nov 12, 2007 | King Operating Corporation | Scurry | Earnest D #6HH | 7,000 | 41534353 |
| 645501 | Sep 10, 2007 | Sep 10, 2007 | King Operating Corporation | Scurry | Earnest C #5HH | 7,000 | 41534346 |
| 633273 | Feb 12, 2007 | Feb 12, 2007 | King Operating Corporation | Scurry | King-Ernest -B- #4HH | 7,000 | 41534307 |
| 633273Amendment | Feb 12, 2007 | Feb 12, 2007 | King Operating Corporation | Scurry | King-Ernest -B- #4HH | 7,000 | 41534307 |
| 631748 | Jan 11, 2007 | Jan 11, 2007 | King Operating Corporation | Willacy | Pinnell, H P #1 | 6,500 | 48931167 |
| 631334 | Jan 4, 2007 | Jan 4, 2007 | King Operating Corporation | Scurry | King-Ernest #3HH | 9,000 | 41534298 |
| 631334Amendment | Jan 4, 2007 | Jan 4, 2007 | King Operating Corporation | Scurry | King-Ernest #3HH | 9,000 | 41534298 |
| 612827 | Jan 23, 2006 | Jan 23, 2006 | King Operating Corporation | Rusk | Laird Family Partnership #1 | 11,200 | 40133815 |
| 612827Amendment | Jan 23, 2006 | Jan 23, 2006 | King Operating Corporation | Rusk | Laird Family Partnership #1 | 11,200 | 40133815 |
| 553541 | Nov 12, 2004 | Nov 12, 2004 | King Operating Corporation | Martin | Mabee #2 | 10,200 | 31734495 |
| 552975 | Oct 29, 2004 | Oct 29, 2004 | King Operating Corporation | Martin | Mabee #1 | 10,200 | 31734493 |
| 548206 | Jul 14, 2004 | Jul 14, 2004 | King Operating Corporation | Martin | King-Holt 7 #7 | 10,200 | 31734465 |
| 548204 | Jul 14, 2004 | Jul 14, 2004 | King Operating Corporation | Martin | King-Holt 13 #8 | 10,200 | 31734466 |
| 545642 | May 13, 2004 | May 13, 2004 | King Operating Corporation | Martin | King-Holt 10 #5 | 10,200 | 31734459 |
| 545642Amendment | May 13, 2004 | May 13, 2004 | King Operating Corporation | Martin | King-Holt 10 #5 | 10,200 | 31734459 |
| 545641 | May 13, 2004 | May 13, 2004 | King Operating Corporation | Martin | King-Holt 2 #6 | 10,200 | 31734458 |
| 545641Amendment | May 13, 2004 | May 13, 2004 | King Operating Corporation | Martin | King-Holt 2 #6 | 10,200 | 31734458 |
| 543410 | Mar 18, 2004 | Mar 18, 2004 | King Operating Corporation | Martin | King-Holt III #4 | 10,200 | 31734451 |
| 543410Amendment | Mar 18, 2004 | Mar 18, 2004 | King Operating Corporation | Martin | King-Holt III #4 | 10,200 | 31734451 |
| 542621 | Mar 1, 2004 | Mar 1, 2004 | King Operating Corporation | Martin | King-Holt 8 #3 | 10,200 | 31734447 |
| 542621Amendment | Mar 1, 2004 | Mar 1, 2004 | King Operating Corporation | Martin | King-Holt 8 #3 | 10,200 | 31734447 |
| 541804 | Feb 6, 2004 | Feb 6, 2004 | King Operating Corporation | Martin | King-Holt 11 #2 | 10,200 | 31734445 |
| 541804Amendment | Feb 6, 2004 | Feb 6, 2004 | King Operating Corporation | Martin | King-Holt 11 #2 | 10,200 | 31734445 |
| 539410 | Dec 8, 2003 | Dec 8, 2003 | King Operating Corporation | Martin | King-Holt #1 | 10,200 | 31734431 |
| 539410Amendment | Dec 8, 2003 | Dec 8, 2003 | King Operating Corporation | Martin | King-Holt #1 | 10,200 | 31734431 |
| 533994 | Jul 10, 2003 | Jul 10, 2003 | King Operating Corporation | Hardeman | Johnson Unit #1 | 8,500 | 19731199 |
| 533994Amendment | Jul 10, 2003 | Jul 10, 2003 | King Operating Corporation | Hardeman | Johnson Unit #1 | 8,500 | 19731199 |
| 529816 | Mar 20, 2003 | Mar 20, 2003 | King Operating Corporation | Eastland | Eberhart 'D' #12 | 3,500 | 13337846 |
| 528800 | Feb 24, 2003 | Feb 24, 2003 | King Operating Corporation | Eastland | Eberhart #11 | 4,000 | 13337844 |
| 528800Amendment | Feb 24, 2003 | Feb 24, 2003 | King Operating Corporation | Eastland | Eberhart #11 | 4,000 | 13337844 |
| 525562 | Nov 15, 2002 | Nov 15, 2002 | King Operating Corporation | Eastland | Eberhart "C" #10 | 3,650 | 13337842 |
| 524105 | Sep 27, 2002 | Sep 27, 2002 | King Operating Corporation | Eastland | Eberhart #9 | 3,650 | 13337838 |
| 523582 | Sep 11, 2002 | Sep 11, 2002 | King Operating Corporation | Eastland | Eberhart Ranch "B" #8 | 3,650 | 13337836 |
| 522474 | Aug 2, 2002 | Aug 2, 2002 | King Operating Corporation | Eastland | Eberhart Ranch "A" #7 | 3,600 | 13337832 |
| 519722 | May 6, 2002 | May 6, 2002 | King Operating Corporation | Eastland | Eberhart #5 | 3,600 | 13337828 |
| 519384 | Apr 24, 2002 | Apr 24, 2002 | King Operating Corporation | Eastland | Eberhart Ranch #6 | 3,600 | 13337827 |
| 519146 | Apr 16, 2002 | Apr 16, 2002 | King Operating Corporation | Eastland | Eberhart #4 | 3,600 | 13337826 |
| 518155 | Mar 7, 2002 | Mar 7, 2002 | King Operating Corporation | Eastland | Eberhart Ranch #3 | 3,600 | 13337825 |
| 517575 | Feb 13, 2002 | Feb 13, 2002 | King Operating Corporation | Eastland | Eberhart Ranch #2 | 3,600 | 13337824 |
| 517575Amendment | Feb 13, 2002 | Feb 13, 2002 | King Operating Corporation | Eastland | Eberhart Ranch #2 | 3,600 | 13337824 |
| 516081 | Dec 12, 2001 | Dec 12, 2001 | King Operating Corporation | Eastland | Eberhart #1 | 3,600 | 13337822 |
| 508693 | May 8, 2001 | May 8, 2001 | King Operating Corporation | Scurry | King-Ernest #2 | 7,100 | 41533857 |
| 502506 | Nov 30, 2000 | Nov 30, 2000 | King Operating Corporation | Scurry | King-Earnest #1 | 7,200 | 41533835 |
| 500644 | Oct 11, 2000 | Oct 11, 2000 | King Operating Corporation | Taylor | Saddle Creek #1 | 5,000 | 44133978 |
| 494439 | Apr 25, 2000 | Apr 25, 2000 | King Operating Corporation | Wood | Lake Hawkins #1 | 8,000 | 49931948 |
| 489502 | Nov 15, 1999 | Nov 15, 1999 | King Operating Corporation | Robertson | Cazey Unit #2HH | 7,000 | 39530596 |
| 485996 | Jul 19, 1999 | Jul 19, 1999 | King Operating Corporation | Knox | Ratliff #1 | 5,900 | 27532139 |
| 485996Amendment | Jul 19, 1999 | Jul 19, 1999 | King Operating Corporation | Knox | Ratliff #1 | 6,500 | 27532139 |
| 483819 | Apr 13, 1999 | Apr 13, 1999 | King Operating Corporation | Robertson | Cannae #1HH | 6,500 | 39530582 |
| 483819Amendment | Apr 13, 1999 | Apr 13, 1999 | King Operating Corporation | Robertson | Cannae #1HH | 6,500 | 39530582 |
| 480591 | Nov 2, 1998 | Nov 2, 1998 | King Operating Corporation | Robertson | Cazey Unit #1HH | 6,500 | 39530444 |
| 475674 | Apr 27, 1998 | Apr 27, 1998 | King Operating Corporation | Montague | Montague #9801 | 6,200 | 33733236 |
| 472460 | Feb 10, 1998 | Feb 10, 1998 | King Operating Corporation | Montague | Montague #9705 | 6,500 | 33733226 |
| 466655 | Aug 22, 1997 | Aug 22, 1997 | King Operating Corporation | Montague | Montague #9704 | 7,500 | 33733180 |