Transaction Details

Footnotes

Pro rata distributions from Yorktown Energy Partners VIII, L.P. ("Yorktown VIII"), Yorktown VIII Company LP ("Yorktown VIII Company") and Yorktown VIII Associates LLC ("Yorktown VIII Associates"). | The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose. | These securities were owned directly by Yorktown VIII. The reporting person is a member and a manager of Yorktown VIII Associates, the general partner of Yorktown VIII Company, the general partner of Yorktown VIII. | These securities are owned directly by Yorktown Energy Partners X, L.P. ("Yorktown X"). The reporting person is a member and a manager of Yorktown X Associates LLC, the general partner of Yorktown X Company LP, the general partner of Yorktown X. | These securities are owned directly by Yorktown Energy Partners XI, L.P. ("Yorktown XI"). The reporting person is a member and a manager of Yorktown XI Associates LLC, the general partner of Yorktown XI Company LP, the general partner of Yorktown XI. | These securities are owned directly by Riley Exploration Group, LLC ("REG"). Yorktown Energy Partners IX, L.P. ("Yorktown IX") and Yorktown Energy Partners X, L.P. ("Yorktown X") are members who together control REG. The reporting person is a member and a manager of Yorktown IX Associates LLC, the general partner of Yorktown IX Company LP, the general partner of Yorktown IX. The reporting person is a member and a manager of Yorktown X Associates LLC, the general partner of Yorktown X Company LP, the general partner of Yorktown X.