Standard Nuclear Inc. – Indentures Watch

from S-1/A 2 pages Seal J Uly 15, 2024 This Certifies That Is the Record Holder of Fully Paid and Nonassessable Shares of Class a Common Stock, $0.00001 Par Value Per Share, of S Tandard N Uclear , I Nc . Transferable on the Books of the Corporation in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned by the Transfer Agent and Registered by the Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Incorporated Under the Laws of the State of Delaware Cusip 853678 10 0 See Reverse for Certain Definitions and Legends Countersigned and Registered: Equiniti Trust Company, LLC Transfer Agent and Registrar By: Authorized Signature Chief Executive Officer Chief Financial Officer

from S-1 30 pages Form of Amended and Restated Investors’ Rights Agreement