Nexsan Corp Watch

from S-1/A 1 page Ncc Nexsan Corporation Incorporated Under the Laws of the State of Delaware This Is to Certify That Is the Owner of Cusip 65334s 20 7 See Reverse for Certain Definitions and Restrictions Fully Paid and Non-Assessable Shares of the Common Stock of the Par Value of $0.001 Per Share, of Nexsan Corporation Transferable Only on the Books of the Corporation by the Holder Hereof in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate and the Shares Represented Hereby Are Issued and Shall Be Held Subject to All of the Provisions of the Certificate of Incorporation of the Corporation and Any Amendments Thereto, to All of Which the Holder, by Acceptance Hereof, Assents. This Certificate Is Not Valid Unless Countersigned and Registered by the Transfer Agent and Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Nexsan Corporation Corporate Seal 2000 Delaware Countersigned and Registered: American Stock Transfer & Trust Company, LLC (New York, N.Y.) Transfer Agent and Registrar by Authorized Signature Chief Executive Officer Chief Financial Officer

from S-1/A 92 pages Article 1 Definitions; Rules of Construction

from S-1/A 9 pages Amendment to Amended and Restated Stockholders’ Agreement

from S-1 32 pages Article 1 Definitions; Rules of Construction

from S-1 17 pages Exchange Agreement

from S-1 71 pages Nexsan Corporation Third Amended and Restated Registration Rights Agreement Dated as of March 29, 2007

from SB-2 ~20 pages Restricted Stock Purchase Agreement

from SB-2 ~20 pages Restricted Stock Purchase Agreement

from SB-2 ~10 pages Restricted Stock Purchase Agreement

from SB-2 ~20 pages Restricted Stock Purchase Agreement

from SB-2 ~20 pages Restricted Stock Purchase Agreement

from SB-2 ~10 pages Indenture or similar

from SB-2 ~10 pages Indenture or similar

from SB-2 ~10 pages Indenture or similar

from SB-2 ~10 pages 2001 Stock Option Plan

from SB-2 ~20 pages Form of Registration Rights Agreement

from SB-2 ~50 pages Form of Stock Purchase Agreement

from SB-2 ~50 pages Form of Stock Purchase Agreement