X0508 4 2025-11-14 0001726126 Epsilon Energy Ltd. EPSN 0001705248 Vaughn Jack E. 1910 MAIN AVENUE DURANGO CO 81301 true false Common Shares 2025-11-14 4 A 0 29886 A 29886 D Common Shares 2025-11-14 4 A 0 2148 A 2148 I See footnote Pursuant to the Membership Interest Purchase Agreement dated August 11, 2025, among the Sellers party thereto, Peak Exploration & Production, LLC ("Peak E&P"), Epsilon Energy USA, Inc., Epsilon Energy Ltd., and Yorktown Energy Partners XI, L.P. (as Sellers' Representative), the existing owners of Peak E&P received, as consideration, the Issuer's Common Shares, with such Common Shares allocated among the existing owners pro rata based on their relative ownership of Peak E&P. These securities are owned directly by Vaughn Capital, LLC. The reporting person owns 93% of the ownership interest of Vaughn Capital, LLC and is a manager of Vaughn Capital, LLC with sole voting power with respect to the Common Shares owned by Vaughn Capital, LLC. /s/ Jack E. Vaughn 2025-11-18