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VeriSign-Branded Digital Signatures Provide Adobe(R) PDF Documents With an Additional Layer of Trust

MOUNTAIN VIEW, CA (Marketwire) - Government agencies, health care providers and others wishing to protect their PDF documents with independently authenticated digital signatures now have the option of relying on the most trusted brand on the Internet.

VeriSign, Inc. (NASDAQ: VRSN), the leading provider of Internet infrastructure for the networked world, today announced it is an anchor member of the new Adobe Approved Trust List from Adobe Systems Incorporated in addition to being a long-standing member of the Adobe Certified Document Services (CDS) program. The Adobe Approved Trust List (AATL) is a roster of independent Public Key Infrastructure (PKI) Certificate Authorities (CAs) trusted to verify digital signatures for users of the latest Adobe family of document creation and management applications. Adobe applications will now automatically recognize VeriSign's Non-Federal Shared Service Provider (SSP) CA as a trusted certificate authority and accept VeriSign's Federal SSP CA.

Today's announcement also means that VeriSign and Adobe are making it easier for federal agencies and enterprises to protect their PDF documents with digital signatures validated by the VeriSign® Federal and Non-Federal SSP PKI services. The VeriSign Non-Federal SSP PKI service facilitates trusted collaboration between federal and state governments and the public and private sector by enabling enterprises to operate at the assurance levels mandated by the federal government. The managed service, which is offered for free to VeriSign Federal and Non-Federal SSP PKI customers, simplifies the task of managing digital certificates for authentication, encryption and digital signing.

"As a VeriSign Non-Federal SSP-PKI customer, we are excited to now have the ability to use the certificates we've already issued to digitally sign Adobe documents as part of the AATL program," said Mike Stewart, CIO, Kansas Secretary of State. "VeriSign and Adobe have made it easy to deploy and use. It's another reason we trust VeriSign for our PKI services."

Digital signatures are increasingly used for PDF documents that may contain sensitive or confidential information, for example, engineering drawings, invoices, medical records, financial statements, legal agreements and project bids. Validation from VeriSign enables recipients of these documents to:

                --  Visually establish that the document comes from a trusted source;
                --  Confirm that the digital signature is valid; and
                --  Establish that the document's contents have not been subject to
                tampering.
                

"Organizations of all kinds are opening their previously closed networks to customers, partners and others with whom a pre-existing trust relationship may not exist," said John B. Harris, product manager for electronic signatures and security alliances at Adobe. "That makes leveraging trust in digital signatures more important than ever. By naming VeriSign as an anchor member of the new Adobe Approved Trust List, we're ensuring that enterprise users can digitally sign their PDF documents via a leading solution that provides automatic, independent verification while meeting the needs of their PKI implementation."

VeriSign Federal and Non-Federal SSP PKI services are comprehensive enterprise PKI services that enable organizations to issue both client and device certificates, while leveraging both a public directory and Online Certificate Status Protocol validation services. These services are hosted in the same facilities and data centers from which VeriSign provides mission-critical security and infrastructure services for the Internet and thousands of commercial and government organizations. It enables businesses, universities, health care providers and governments to establish a robust PKI and CA system without the cost and time-to-market burden of in-house PKI deployment or the limitations of a proprietary software based solution.

"VeriSign is delighted to be an anchor member of the new Adobe Approved Trust List, ensuring that VeriSign's Non-Federal SSP automatically appears as a trusted CA within the latest Adobe applications," said Michael Yatsko, product manager at VeriSign. "For enterprises looking to protect their sensitive documents with a brand that is recognized and trusted the world over, the VeriSign Federal and Non-Federal Shared Service Provider PKI services offer an easy, scalable platform for deploying and managing digital signatures on a truly enterprise level."

About VeriSign

VeriSign, Inc. (NASDAQ: VRSN) is the trusted provider of Internet infrastructure services for the networked world. Billions of times each day, VeriSign helps companies and consumers all over the world engage in communications and commerce with confidence. Additional news and information about the company is available at www.verisign.com.

Statements in this announcement other than historical data and information constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements involve risks and uncertainties that could cause VeriSign's actual results to differ materially from those stated or implied by such forward-looking statements. The potential risks and uncertainties include, among others, the uncertainty of future revenue and profitability and potential fluctuations in quarterly operating results due to such factors as the inability of VeriSign to successfully develop and market new products and services and customer acceptance of any new products or services, including the VeriSign Non-Federal Shared Service Provider (SSP) PKI service; the possibility that VeriSign's announced new services may not result in additional customers, profits or revenues; and increased competition and pricing pressures. More information about potential factors that could affect the company's business and financial results is included in VeriSign's filings with the Securities and Exchange Commission, including in the company's Annual Report on Form 10-K for the year ended December 31, 2007 and quarterly reports on Form 10-Q. VeriSign undertakes no obligation to update any of the forward-looking statements after the date of this press release.

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