Case: 21-10840 Doc: 95 Filed: 04/28/21 Page: 1 of 65 Case: 21-10840 Doc: 95 Filed: 04/28/21 Page: 2 of 65 EXHIBIT A Case: 21-10840 Doc: 95 Filed: 04/28/21 Page: 3 of 65 EXHIBIT A Master Service List Served as stated below Description Creditor Address1 Address2 Address3 Address4 Email Method of Service Trade Payable Amplify Energy Operating LLC 500 Dallas St, Ste 1700 Houston, TX 77002 First Class Mail Trade Payable Arkoma Operations LLC 425 W Capital, Ste 3550 Little Rock, AR 72201 First Class Mail Trade Payable Blue Water Resources, LLC 2508 E 71St St, Ste B Tulsa, OK 74136 First Class Mail Trade Payable Casillas Petroleum Resource Partners, LLC 401 S Boston Ave, Ste 2400 Tulsa, OK 74103 First Class Mail Trade Payable Chesapeake Operating, Inc 6100 N Western Ave Oklahoma City, OK 73118 First Class Mail *NOA - Proposed Debtor's Counsel Christensen Law Group, PLLC Brock Z. Pittman
[email protected] Email *NOA - Proposed Debtor's Counsel Christensen Law Group, PLLC J. Clay Christensen
[email protected] Email *NOA - Proposed Debtor's Counsel Christensen Law Group, PLLC Emily J. Irwin
[email protected] Email *NOA - Proposed Debtor's Counsel Christensen Law Group, PLLC Jeffrey E. Tate
[email protected] Email *NOA - Proposed Debtor's Counsel Christensen Law Group, PLLC Jonathan M. Miles
[email protected] Email Trade Payable Cimarex Energy Co 1700 Lincoln St, Ste 3700 Denver, CO 80203 First Class Mail Trade Payable Citizen Energy Iii LLC 320 S Boston Ave, Ste 900 Tulsa, OK 74103 First Class Mail Trade Payable Conocophillips Company 925 N Eldridge Pkwy Houston, TX 77079 First Class Mail Trade Payable Contango Resources, Inc 717 Texas Avebue, Ste 2900 Houston, TX 77002 First Class Mail Trade Payable Continental Resources, Inc 20 N Broadway Oklahoma City, OK 73102 First Class Mail *NOA - Counsel for Simmons Bank Crowe & Dunlevy Margaret M.