VeriSign (VRSN)

FORM OF ACCESSION AGREEMENT

Ladies and Gentlemen:

This Accession Agreement is made and delivered pursuant to Section 27 of that certain Guaranty dated as of June 7, 2006 (as amended, modified, renewed or extended from time to time, the “Guaranty”), made by each Guarantor named in the signature pages thereof (each a “Guarantor”), in favor of the Lenders party to the Credit Agreement referred to below, the L/C Issuer, the Swing Line Lender and Bank of America, N.A., as Administrative Agent (in such capacity, the “Administrative Agent”). All capitalized terms used in this Accession Agreement and not otherwise defined herein shall have the meanings assigned to them in either the Guaranty or the Credit Agreement.

VeriSign, Inc. (the “Company”) is party to that certain Credit Agreement dated as of June 7, 2006 (the “Credit Agreement”) by and among the Company, certain Subsidiaries of the Company from time to time party thereto as Designated Borrowers, the Lenders from time to time party thereto (the “Lenders”), the L/C Issuer, the Swing Line Lender and the Administrative Agent.

The undersigned,                                                   [insert name of acceding Guarantor], a                                                   [corporation, partnership, limited liability company, etc.], is a Subsidiary of the Company and hereby acknowledges for the benefit of the Guaranteed Parties that it shall be a “Guarantor” for all purposes of the Guaranty effective from the date hereof. The undersigned confirms that the representations and warranties set forth in Section 10 of the Guaranty are true and correct as to the undersigned as of the date hereof.

Without limiting the foregoing, the undersigned hereby agrees to perform all of the obligations of a Guarantor under, and to be bound in all respects by the terms of, the Guaranty, including Sections 11, 12, 15 and 16 thereof, to the same extent and with the same force and effect as if the undersigned were an original signatory thereto.

This Accession Agreement shall constitute a Loan Document under the Credit Agreement.

THIS ACCESSION AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK.

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IN WITNESS WHEREOF, the undersigned has executed this Accession Agreement, as of the date first above written.

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