0001903596-26-000317 Sample Contracts

FORM OF SECURITIES PURCHASE AGREEMENT
Securities Purchase Agreement • August 24th, 2026 • Expion360 Inc. • Miscellaneous electrical machinery, equipment & supplies • New York

This Securities Purchase Agreement (this “Agreement”) is dated as of [__________], between Expion Energy, Inc., a Nevada corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively, the “Purchasers”).

Pursuant to Item 601(b)(10)(iv) of Regulation S-K, certain information marked with “[***]” has been omitted as it is (i) not material and (ii) is customarily and actually treated as private or confidential by the registrant.] EMPLOYMENT AGREEMENT
Employment Agreement • August 24th, 2026 • Expion360 Inc. • Miscellaneous electrical machinery, equipment & supplies • Texas

This EMPLOYMENT AGREEMENT (the “Agreement”) is entered into as of August 21, 2026 and made effective as of August 24, 2026 (the “Effective Date”), by and between Expion Energy, Inc., a Nevada corporation with its principal place of business at 2025 SW Deerhound Avenue, Redmond, OR (the “Company”), and Kevin Sellers (“Executive”).

FORM OF COMMON STOCK PURCHASE WARRANT expion ENERGY, inc.
Common Stock Purchase Agreement • August 24th, 2026 • Expion360 Inc. • Miscellaneous electrical machinery, equipment & supplies

THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [__________] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on August 21, 2031 (the “Termination Date”) but not thereafter, to subscribe for and purchase from Expion Energy, Inc., a Nevada corporation (the “Company”), up to [__________] shares (as subject to adjustment hereunder, the “Warrant Shares”) of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

FORM OF REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • August 24th, 2026 • Expion360 Inc. • Miscellaneous electrical machinery, equipment & supplies

This Registration Rights Agreement (this “Agreement”) is made and entered into as of [___________], between Expion Energy, Inc., a Nevada corporation (the “Company”), and each of the several purchasers signatory hereto (each such purchaser, a “Purchaser” and, collectively, the “Purchasers”).

8% CONVERTIBLE DEBENTURE DUE AUGUST 21, 2029
Convertible Security Agreement • August 24th, 2026 • Expion360 Inc. • Miscellaneous electrical machinery, equipment & supplies • New York

THIS 8% CONVERTIBLE DEBENTURE is one of a series of duly authorized and validly issued 8% Convertible Debentures issued by Expion Energy, Inc., a Nevada corporation (the “Company”), having its principal place of business at 2025 SW Deerhound Avenue, Redmond, Oregon, 97756, designated as its 8% Convertible Debenture due August 21, 2029 (this debenture, the “Debenture” and, collectively with the other debentures of such series, the “Debentures”).

Pursuant to Item 601(b)(10)(iv) of Regulation S-K, certain information marked with “[***]” has been omitted as it is (i) not material and (ii) is customarily and actually treated as private or confidential by the registrant.] MEMBERSHIP INTEREST...
Membership Interest Purchase Agreement • August 24th, 2026 • Expion360 Inc. • Miscellaneous electrical machinery, equipment & supplies • Texas

This Membership Interest Purchase Agreement (this “Agreement”), dated as of August 21, 2026, is entered into among [***] (each a “Seller” and, collectively, the “Sellers”), and Expion Energy, Inc., a Nevada corporation (“Buyer”). Capitalized terms used in this Agreement have the meanings given to such terms herein, as such definitions are identified by the cross-references set forth in the Exhibit A attached hereto. In this Agreement, Sellers and Buyer may be individually referred to as a “Party”, or collectively, “the Parties”.

Exploration Agreement by and between Expion Energy, Inc., [***], and Effective as of August 21, 2026
Exploration Agreement • August 24th, 2026 • Expion360 Inc. • Miscellaneous electrical machinery, equipment & supplies • Texas