| 789410Amendment | Aug 15, 2014 | Aug 15, 2014 | Chesapeake Operating, L.L.C. | La Salle | Rakowitz Unit IV Las #V 5HH | 9,000 | 28334938 |
| 791462Amendment | Aug 14, 2014 | Aug 14, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #F 5HH | 12,000 | 31136181 |
| 791271Amendment | Aug 12, 2014 | Aug 12, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #D 4HH | 12,000 | 12736522 |
| 791213Amendment | Aug 9, 2014 | Aug 9, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #G 1HH | 12,000 | 31136175 |
| 790071Amendment | Aug 7, 2014 | Aug 7, 2014 | Chesapeake Operating, L.L.C. | Johnson | Pegasus #5HH | 9,000 | 25134567 |
| 789406Amendment | Jul 25, 2014 | Jul 25, 2014 | Chesapeake Operating, L.L.C. | La Salle | Rakowitz Unit III Las #V 3HH | 9,000 | 28334936 |
| 789835Amendment | Jul 22, 2014 | Jul 22, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #M 5HH | 12,000 | 31136144 |
| 789833Amendment | Jul 22, 2014 | Jul 22, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #M 4HH | 12,000 | 31136145 |
| 789831Amendment | Jul 22, 2014 | Jul 22, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #M 3HH | 12,000 | 31136143 |
| 789830Amendment | Jul 22, 2014 | Jul 22, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #M 1HH | 12,000 | 31136142 |
| 789629Amendment | Jul 22, 2014 | Jul 22, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #A 3HH | 9,000 | 12736459 |
| 789150Amendment | Jul 19, 2014 | Jul 19, 2014 | Chesapeake Operating, L.L.C. | Tarrant | Welker #4HH | 9,000 | 43936989 |
| 788502Amendment | Jul 18, 2014 | Jul 18, 2014 | Chesapeake Operating, L.L.C. | Tarrant | Welker #9HH | 9,000 | 43936986 |
| 788921Amendment | Jul 12, 2014 | Jul 12, 2014 | Chesapeake Operating, L.L.C. | La Salle | J Tyler Unit II Las #V 2HH | 9,000 | 28334910 |
| 787686Amendment | Jun 28, 2014 | Jun 28, 2014 | Chesapeake Operating, L.L.C. | McMullen | Frances Dilworth #G 4HH | 12,000 | 31136110 |
| 787660Amendment | Jun 28, 2014 | Jun 28, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #N 2HH | 12,000 | 12736408 |
| 787517Amendment | Jun 24, 2014 | Jun 24, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #H 3HH | 12,000 | 31136102 |
| 787513Amendment | Jun 24, 2014 | Jun 24, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #H 2HH | 12,000 | 31136101 |
| 787511Amendment | Jun 24, 2014 | Jun 24, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #H 1HH | 12,000 | 31136100 |
| 787167Amendment | Jun 20, 2014 | Jun 20, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Big Wells South Unit 2 Dim #F 7HH | 9,000 | 12736386 |
| 787170Amendment | Jun 19, 2014 | Jun 19, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Big Wells South Unit a Dim #F 5HH | 9,000 | 12736388 |
| 787169Amendment | Jun 19, 2014 | Jun 19, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Big Wells South Unit a Dim #F 6HH | 9,000 | 12736387 |
| 787165Amendment | Jun 19, 2014 | Jun 19, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Big Wells South Unit I Dim #F 9HH | 9,000 | 12736384 |
| 787166Amendment | Jun 18, 2014 | Jun 18, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Big Wells South Unit 2 Dim #F 8HH | 9,000 | 12736385 |
| 786337Amendment | Jun 11, 2014 | Jun 11, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith San Pedro FF Unit #R 1HH | 9,000 | 12736370 |
| 786324Amendment | Jun 10, 2014 | Jun 10, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-San Pedro #R 2HH | 9,000 | 12736368 |
| 786317Amendment | Jun 10, 2014 | Jun 10, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-San Pedro #R 3HH | 9,000 | 12736366 |
| 786319Amendment | Jun 7, 2014 | Jun 7, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-San Pedro #R 1HH | 9,000 | 12736367 |
| 784352Amendment | May 23, 2014 | May 23, 2014 | Chesapeake Operating, L.L.C. | Tarrant | Aaron B #4HH | 9,000 | 43936960 |
| 784467Amendment | May 17, 2014 | May 17, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #F 4HH | 12,000 | 31136027 |
| 781998Amendment | Apr 21, 2014 | Apr 21, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #C 2HH | 12,000 | 31135974 |
| 781996Amendment | Apr 17, 2014 | Apr 17, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #C 3HH | 12,000 | 31135973 |
| 781994Amendment | Apr 17, 2014 | Apr 17, 2014 | Chesapeake Operating, L.L.C. | McMullen | Peeler MCM #C 4HH | 12,000 | 31135972 |
| 781099Amendment | Apr 4, 2014 | Apr 4, 2014 | Chesapeake Operating, L.L.C. | La Salle | Burns Ranch #N 3HH | 9,000 | 28334663 |
| 780948Amendment | Mar 28, 2014 | Mar 28, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 18 Dim #K 3HH | 9,000 | 12736222 |
| 780762Amendment | Mar 26, 2014 | Mar 26, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 18 Dim #K 2HH | 9,000 | 12736215 |
| 780590Amendment | Mar 22, 2014 | Mar 22, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith Sandy B Unit Dim #K 1HH | 9,000 | 12736205 |
| 780589Amendment | Mar 22, 2014 | Mar 22, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith Sandy Dim #K 3HH | 9,000 | 12736204 |
| 780520Amendment | Mar 22, 2014 | Mar 22, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith Sandy C Unit Dim #K 1HH | 9,000 | 12736195 |
| 780518Amendment | Mar 22, 2014 | Mar 22, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith Sandy a Unit Dim #K 1HH | 9,000 | 12736194 |
| 780456Amendment | Mar 22, 2014 | Mar 22, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 17 Dim #K 4HH | 9,000 | 12736192 |
| 780452Amendment | Mar 22, 2014 | Mar 22, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 17 Dim #K 1HH | 9,000 | 12736191 |
| 780373Amendment | Mar 20, 2014 | Mar 20, 2014 | Chesapeake Operating, L.L.C. | Dimmit | McRorey Unit III Dim #C 1HH | 9,000 | 12736190 |
| 780314Amendment | Mar 19, 2014 | Mar 19, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith Sandy Dim #K 2HH | 9,000 | 12736183 |
| 780313Amendment | Mar 19, 2014 | Mar 19, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith Sandy Dim #K 1HH | 9,000 | 12736182 |
| 780313Amendment | Mar 19, 2014 | Mar 19, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith Sandy Dim #K 1HH | 9,000 | 12736182 |
| 780273Amendment | Mar 19, 2014 | Mar 19, 2014 | Chesapeake Operating, L.L.C. | Dimmit | McRorey Unit II Dim #C 5HH | 9,000 | 12736181 |
| 779459Amendment | Mar 7, 2014 | Mar 7, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #H 8HH | 9,000 | 12736150 |
| 779214Amendment | Mar 3, 2014 | Mar 3, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Buntin Dim #J 1HH | 9,000 | 12736134 |
| 778963Amendment | Feb 27, 2014 | Feb 27, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #H 1HH | 9,000 | 12736104 |
| 778961Amendment | Feb 27, 2014 | Feb 27, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #H 2HH | 9,000 | 12736113 |
| 777414Amendment | Jan 31, 2014 | Jan 31, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Sako-Watson Unit II Dim #B 5HH | 9,000 | 12736009 |
| 775539Amendment | Jan 27, 2014 | Jan 27, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #C 8HH | 9,000 | 12735966 |
| 775529Amendment | Jan 21, 2014 | Jan 21, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #C 1HH | 9,000 | 12735959 |
| 776583Amendment | Jan 17, 2014 | Jan 17, 2014 | Chesapeake Operating, L.L.C. | La Salle | Burns Ranch #Q 5HH | 9,000 | 28334515 |
| 776582Amendment | Jan 17, 2014 | Jan 17, 2014 | Chesapeake Operating, L.L.C. | La Salle | Burns Ranch #Q 4HH | 9,000 | 28334507 |
| 775532Amendment | Jan 10, 2014 | Jan 10, 2014 | Chesapeake Operating, L.L.C. | Dimmit | Faith-Bonita #C 4HH | 9,000 | 12735962 |
| 776062Amendment | Jan 8, 2014 | Jan 8, 2014 | Chesapeake Operating, L.L.C. | La Salle | Burns Ranch #L 8HH | 9,000 | 28334483 |
| 774941Amendment | Dec 16, 2013 | Dec 16, 2013 | Chesapeake Operating, L.L.C. | Tarrant | Tccd South #6HH | 9,000 | 43936891 |
| 774939Amendment | Dec 16, 2013 | Dec 16, 2013 | Chesapeake Operating, L.L.C. | Tarrant | Tccd South #5HH | 9,000 | 43936890 |
| 774935Amendment | Dec 16, 2013 | Dec 16, 2013 | Chesapeake Operating, L.L.C. | Tarrant | Tccd South #4HH | 9,000 | 43936889 |
| 774135Amendment | Dec 6, 2013 | Dec 6, 2013 | Chesapeake Operating, L.L.C. | McMullen | JJ Henry IX #N 2HH | 12,000 | 31135749 |
| 774140Amendment | Dec 4, 2013 | Dec 4, 2013 | Chesapeake Operating, L.L.C. | McMullen | JJ Henry IX #N 1HH | 12,000 | 31135750 |
| 773998Amendment | Nov 27, 2013 | Nov 27, 2013 | Chesapeake Operating, L.L.C. | McMullen | JJ Henry Unit VII #K 5HH | 12,000 | 31135744 |
| 773997Amendment | Nov 27, 2013 | Nov 27, 2013 | Chesapeake Operating, L.L.C. | McMullen | JJ Henry Unit VII #K 4HH | 12,000 | 31135743 |
| 773996Amendment | Nov 27, 2013 | Nov 27, 2013 | Chesapeake Operating, L.L.C. | McMullen | JJ Henry Unit VII #K 3HH | 12,000 | 31135742 |
| 773995Amendment | Nov 27, 2013 | Nov 27, 2013 | Chesapeake Operating, L.L.C. | McMullen | JJ Henry Unit VII #K 2HH | 12,000 | 31135741 |
| 773325Amendment | Nov 19, 2013 | Nov 19, 2013 | Chesapeake Operating, L.L.C. | McMullen | JJ Henry Unit VII #K 1HH | 12,000 | 31135722 |
| 772810Amendment | Nov 8, 2013 | Nov 8, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Faith Toro Dim #C 7HH | 9,000 | 12735881 |
| 771201Amendment | Oct 11, 2013 | Oct 11, 2013 | Chesapeake Operating, L.L.C. | McMullen | Prince MCM #K 2HH | 12,000 | 31135675 |
| 771198Amendment | Oct 11, 2013 | Oct 11, 2013 | Chesapeake Operating, L.L.C. | McMullen | Prince MCM #K 1HH | 12,000 | 31135674 |
| 771017Amendment | Oct 10, 2013 | Oct 10, 2013 | Chesapeake Operating, L.L.C. | McMullen | Frances Dilworth #T 1HH | 12,000 | 31135669 |
| 771015Amendment | Oct 10, 2013 | Oct 10, 2013 | Chesapeake Operating, L.L.C. | Lipscomb | Colton 66 Lip #1HH | 9,500 | 29534041 |
| 771021Amendment | Oct 9, 2013 | Oct 9, 2013 | Chesapeake Operating, L.L.C. | McMullen | Frances Dilworth #T 5HH | 12,000 | 31135672 |
| 769591Amendment | Sep 12, 2013 | Sep 12, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 6 Dim #M 1HH | 9,000 | 12735778 |
| 769591Amendment | Sep 12, 2013 | Sep 12, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 6 Dim #M 1HH | 9,000 | 12735778 |
| 769591Amendment | Sep 12, 2013 | Sep 12, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 6 Dim #M 1HH | 9,000 | 12735778 |
| 769441Amendment | Sep 10, 2013 | Sep 10, 2013 | Chesapeake Operating, L.L.C. | McMullen | Prince MCM #I 1HH | 12,000 | 31135632 |
| 768168Amendment | Aug 15, 2013 | Aug 15, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 13 Dim #N 2HH | 9,000 | 12735741 |
| 768168Amendment | Aug 15, 2013 | Aug 15, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 13 Dim #N 2HH | 9,000 | 12735741 |
| 768167Amendment | Aug 15, 2013 | Aug 15, 2013 | Chesapeake Operating, L.L.C. | Tarrant | Pvi Unit #3HH | 9,000 | 43936842 |
| 767241Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 8 Dim #E 4HH | 9,000 | 12735705 |
| 767241Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 8 Dim #E 4HH | 9,000 | 12735705 |
| 767236Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 7 Dim #M 3HH | 9,000 | 12735704 |
| 767236Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 7 Dim #M 3HH | 9,000 | 12735704 |
| 767236Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 7 Dim #M 3HH | 9,000 | 12735704 |
| 767235Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 7 Dim #M 2HH | 9,000 | 12735702 |
| 767235Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 7 Dim #M 2HH | 9,000 | 12735702 |
| 767235Amendment | Jul 30, 2013 | Jul 30, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 7 Dim #M 2HH | 9,000 | 12735702 |
| 767000Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 10 Dim #E 3HH | 9,000 | 12735685 |
| 767000Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 10 Dim #E 3HH | 9,000 | 12735685 |
| 767000Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 10 Dim #E 3HH | 9,000 | 12735685 |
| 766999Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 10 Dim #E 2HH | 9,000 | 12735684 |
| 766999Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 10 Dim #E 2HH | 9,000 | 12735684 |
| 766999Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 10 Dim #E 2HH | 9,000 | 12735684 |
| 766998Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 9 Dim #E 1HH | 9,000 | 12735683 |
| 766998Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 9 Dim #E 1HH | 9,000 | 12735683 |
| 766998Amendment | Jul 26, 2013 | Jul 26, 2013 | Chesapeake Operating, L.L.C. | Dimmit | Gibson South Unit 9 Dim #E 1HH | 9,000 | 12735683 |
| 762168Amendment | May 9, 2013 | May 9, 2013 | Chesapeake Operating, L.L.C. | McMullen | Prince MCM #H 2HH | 12,000 | 31135426 |
| 762168Amendment | May 9, 2013 | May 9, 2013 | Chesapeake Operating, L.L.C. | McMullen | Prince MCM #H 2HH | 12,000 | 31135426 |