0001894954 1 2026-10-23 2026-10-23 0001894954 2 2026-10-23 2026-10-23 0001894954 3 2026-10-23 2026-10-23 0001894954 4 2026-10-23 2026-10-23 0001894954 1 2026-10-23 2026-10-23 0001894954 2 2026-10-23 2026-10-23 0001894954 2026-10-23 2026-10-23 iso4217:USD pure shares S-3 EX-FILING FEES 0001894954 333-272956 true false N/A S-3 Expion Energy, Inc. false Equity Common stock, par value $0.001 per share true 0 0.00 0.00 0.000087 0.00 false Debt Debt securities true 0 0.00 0.00 0.000087 0.00 false Other Warrants true 0 0.00 0.00 0.000087 0.00 false Unallocated (Universal) Shelf true 50000000.00 0.000087 4350.00 50000000.00 4350.00 4350.00 0.00 In accordance with Rule 416 under the Securities Act of 1933, as amended (the “Securities Act”), the securities being registered hereunder shall be deemed to include an indeterminate number of shares of common stock, shares of preferred stock, warrants, and units to be issued or issuable with respect to the securities registered hereunder as a result of any stock splits, stock dividends or similar transactions. Pursuant to Instruction 2.A.iii.b. of Item 16(b) of Form S-3, this information is not specified as to each class of securities to be registered. There is being registered hereby such indeterminate number of the securities of each identified class as may from time to time be issued at indeterminate prices. Securities registered hereunder may be sold separately, or in combination with other securities registered hereunder. See Table 2 for the calculation of the total fee offsets. The proposed maximum aggregate offering price has been estimated solely to calculate the registration fee in accordance with Rule 457(o) under the Securities Act. true Expion360 Inc. S-3 333-272956 2023-06-27 4350.00 Unallocated (Universal) Shelf Common Stock, Preferred Stock, Warrants, Units 0 48678497.00 true Expion360 Inc. S-3 333-272956 2023-06-27 4350.00 In accordance with Rule 457(p) under the Securities Act, the registrant is offsetting $5,364.37 of the fee associated with this registration statement from the fee previously paid by the registrant associated with the unsold securities registered under the registrant's prior unallocated (universal) shelf registration statement on Form S-3 originally filed on June 27, 2023 (File No. 333-272956) (the “Prior Registration Statement”), which has expired because more than three years have elapsed since the initial effective date of the Prior Registration Statement and all offerings thereunder have been completed or terminated. $48,678,4 of aggregate maximum amount remain unsold as of the time the Prior Registration Statement expired. 2) In accordance with Rule 457(p) under the Securities Act, the registrant is offsetting $5,364.37 of the fee associated with this registration statement from the fee previously paid by the registrant associated with the unsold securities registered under the Prior Registration Statement, which has expired because more than three years have elapsed since the initial effective date of the Prior Registration Statement and all offerings thereunder have been completed or terminated. $48,678,497 of aggregate maximum amount remain unsold as of the time the Prior Registration Statement expired.