| 1 | SALAS PETER E SSB Ventures LLC Director 10% Owner | 2015-01-15 08:49:08 | 20,638,652 0 | 20,638,652 | Form 13D |
| 2 | SALAS PETER E DOLPHIN OFFSHORE PARTNERS LP Director 10% Owner | 2021-01-05 16:35:18 | 10,750 5,288,241 | 5,298,991 | Form 4 |
| 3 | Lawrence Bryan H. Director | 2026-04-15 16:55:17 | 46,877 4,054,889 | 4,101,766 | Form 4 |
| 4 | Libin Alvin Gerald Balmon Investments Ltd. 2624063 Alberta Ltd. 10% Owner | 2025-07-17 16:53:31 | 0 2,236,921 | 2,236,921 | Form 4 |
| 5 | Libin Alvin Gerald Balmon Investments Ltd. Balmon California Inc. 10% Owner | 2023-09-21 14:22:40 | 0 2,119,921 | 2,119,921 | Form 4 |
| 6 | SC Fundamental Value Fund L.P. SC FUNDAMENTAL LLC SC Fundamental Value BVI Ltd. SC Fundamental BVI Inc. SC BVI PARTNERS PMC-BVI Inc. COLLERY PETER M KOFFLER NEIL H Bird John T Member of 13G Group (1) | 2006-05-04 16:03:47 | 2,070,400 0 | 2,070,400 | Form 13G |
| 7 | Yorktown Energy Partners XI L.P. Yorktown XI Associates LLC 10% Owner | 2026-05-28 21:33:15 | 1,784,113 0 | 1,784,113 | Form 13D |
| 8 | Riley Exploration Group LLC Yorktown VIII Associates LLC Yorktown Energy Partners IX L.P. Yorktown IX Associates LLC Yorktown Energy Partners X L.P. Yorktown X Associates LLC 10% Owner | 2026-04-09 21:38:09 | 1,611,498 0 | 1,611,498 | Form 13D |
| 9 | Riley Exploration Group LLC YORKTOWN ENERGY PARTNERS IV LP Yorktown IV CO LLC YORKTOWN ENERGY PARTNERS V LP Yorktown V CO LLC Yorktown Energy Partners VI LP Yorktown VI Associates LLC Yorktown Energy Partners VII L.P. Yorktown VII Associates LLC Yorktown Energy Partners VIII L.P. 10% Owner | 2026-04-09 21:38:09 | 1,611,498 0 | 1,611,498 | Form 13D |
| 10 | Riley Exploration Group LLC Yorktown Energy Partners IX L.P. Yorktown IX Associates LLC Yorktown Energy Partners X L.P. Yorktown X Associates LLC 10% Owner | 2026-04-09 21:38:09 | 1,611,498 0 | 1,611,498 | Form 13D |
| 11 | Bluescape Riley Exploration Holdings LLC Bluescape Energy Recapitalization & Restructuring Fund III LP Bluescape Energy Partners III GP LLC Bluescape Resources GP Holdings LLC Bluescape Resources Co LLC WILDER C JOHN 10% Owner | 2026-03-26 20:02:24 | 1,050,000 0 | 1,050,000 | Form 13D |
| 12 | Bluescape Riley Exploration Holdings LLC Bluescape Riley Exploration Acquisition LLC Bluescape Energy Recapitalization & Restructuring Fund III LP Bluescape Energy Partners III GP LLC Bluescape Resources GP Holdings LLC Bluescape Resources Co LLC WILDER C JOHN 10% Owner | 2026-03-26 20:02:24 | 1,050,000 0 | 1,050,000 | Form 13D |
| 13 | HARBERT BILL LEBOLD Director | 2005-01-04 13:47:46 | 958,693 0 | 958,693 | Form 4 |
| 14 | DEVEREUX ROBERT L Director | 2004-04-06 14:45:51 | 777,436 127,705 | 905,141 | Form 4 |
| 15 | Boomer Petroleum LLC Balmon California Inc. Balmon Investments Ltd. Libin Alvin Gerald Texel Resources Inc. Estate of Antonie VandenBrink 10% Owner | 2023-10-16 16:37:37 | 807,894 0 | 807,894 | Form 13D |
| 16 | Harding Neal Former Director Resign 4/24/06 | 2006-06-02 14:58:28 | 780,180 0 | 780,180 | Form 4 |
| 17 | Riley Bobby CEO | 2026-10-02 09:17:27 | 475,050 0 | 475,050 | Form 4 |
| 18 | WILLIAMS RICHARD T CEO | 2004-04-02 11:08:28 | 440,001 0 | 440,001 | Form 4 |
| 19 | CLENDENING JOHN A Director | 2012-04-03 15:52:35 | 406,509 0 | 406,509 | Form 4 |
| 20 | BAILEY JEFFREY R CEO | 2013-01-03 15:22:52 | 249,495 0 | 249,495 | Form 4 |
| 21 | SORENSEN CARY V Vice President | 2014-04-29 17:56:10 | 236,227 0 | 236,227 | Form 4 |
| 22 | Riley Philip A CFO & EVP STRATEGY | 2026-10-02 09:17:21 | 228,549 0 | 228,549 | Form 4 |
| 23 | Riley Corey Neil CIO & CCO | 2026-10-02 09:17:32 | 203,385 0 | 203,385 | Form 4 |
| 24 | Riley Kevin PRESIDENT | 2024-01-02 15:27:03 | 202,726 0 | 202,726 | Form 4 |
| 25 | SUTER JOHN PATRICK Chief Operating Officer | 2026-07-06 09:23:59 | 134,198 0 | 134,198 | Form 4 |
| 26 | BAILEY CLARKE H Former Director Director | 2007-04-12 15:46:57 | 119,751 0 | 119,751 | Form 4 |
| 27 | Gutman Jeffrey CAO & EVP Commercial Risk | 2026-07-06 09:22:46 | 98,130 0 | 98,130 | Form 4 |
| 28 | Bonney Amber Chief Accounting Officer | 2024-06-04 16:27:54 | 75,626 0 | 75,626 | Form 4 |
| 29 | Behrent Matthew K Director | 2020-10-05 19:20:11 | 64,900 0 | 64,900 | Form 4 |
| 30 | Salas Carlos P Director | 2011-04-05 12:55:12 | 64,006 0 | 64,006 | Form 4 |
| 31 | di Santo Beth A Secretary & General Counsel | 2026-04-03 17:16:59 | 61,112 0 | 61,112 | Form 4 |
| 32 | RUTH MARK A Chief Financial Officer | 2007-02-05 16:21:07 | 60,102 0 | 60,102 | Form 5 |
| 33 | Thon Richard M Director | 2020-10-05 19:24:42 | 33,000 0 | 33,000 | Form 4 |
| 34 | Bayless Rebecca L Director | 2026-05-19 11:10:02 | 31,744 0 | 31,744 | Form 4 |
| 35 | NORDBERG E WAYNE Director | 2026-05-19 11:10:14 | 31,694 0 | 31,694 | Form 4 |
| 36 | Arriaga Brent Alexander Director | 2026-05-19 11:09:41 | 23,776 0 | 23,776 | Form 4 |
| 37 | Palmer Michael H EVP CORPORATE LAND | 2023-02-01 16:39:45 | 23,432 0 | 23,432 | Form 4 |
| 38 | AKOS STEPHEN W Director | 2004-04-05 10:46:17 | 23,081 0 | 23,081 | Form 4 |
| 39 | Rugen Michael J. CHIEF FINANCIAL OFFICER | 2021-04-02 12:45:38 | 17,582 0 | 17,582 | Form 4 |
| 40 | Saadati Bobby Director | 2026-05-19 11:09:46 | 9,021 0 | 9,021 | Form 4 |
| 41 | CARTER ROBERT M Pres. Tengasco Pipeline Corp. | 2007-01-30 16:36:09 | 7,697 0 | 7,697 | Form 4 |
| 42 | Brooks Hughree Fennon Former Director Director | 2018-01-04 15:49:48 | 7,294 0 | 7,294 | Form 4 |
| 43 | SLOAN SHEILA F Treasurer | 2004-01-30 15:43:40 | 2,101 0 | 2,101 | Form 4 |
| 44 | STIVERS CHARLES M Director | 2004-01-28 15:22:57 | 1 0 | 1 | Form 5 |
| 45 | McInturff Charles Patrick Vice President | 2008-02-05 12:47:31 | 1 0 | 1 | Form 4 |