Expion360 (XPON) S-1/AIPO registration (amended)

Exhibit 4.1

The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations.

Additional abbreviations may also be used though not in the above list.

of the capital stock represented by the within Certificate, and do hereby irrevocably constitute and appoint

to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises.

THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THIS CERTIFICATE. THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (Banks, Stockbrokers, Savings and Loan Associations and Credit Unions)

SIGNATURE GUARANTEED:

TRANSFER FEE WILL APPLY