Symantec Completes Brightmail Acquisition

Hong Kong -- 23 June 2004 - Symantec Corp. (Nasdaq: SYMC), the global leader in information security, today announced the acquisition of Brightmail, originally announced on 19 May 2004, has cleared the customary regulatory approvals and the transaction has been completed ahead of schedule.

This acquisition will position Symantec to provide customers with the most comprehensive messaging security solution in the industry. Symantec will now focus on integrating Brightmail's industry-leading anti-spam solutions into Symantec's gateway offerings to create a new class of protection. In addition, the company will look to leverage the huge volume of email traffic passing through the Brightmail filtering process as a new source of early warning on impending threats.

About Symantec
Symantec is the global leader in information security providing a broad range of software, appliances and services designed to help individuals, small and mid-sized businesses, and large enterprises secure and manage their IT infrastructure. Symantec's Norton brand of products is the worldwide leader in consumer security and problem-solving solutions. Headquartered in Cupertino, California, Symantec has operations in more than 35 countries. More information is available at http://www.symantec.com.

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FORWARD LOOKING STATEMENT: This press release contains forward-looking statements, including the effectiveness of the combined companies upon completion of the merger, that involve known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to differ materially from results expressed or implied by this press release. Such risk factors include, among others: the sustainability of recent growth rates, particularly in consumer products; whether certain market segments, particularly enterprise security, grow as anticipated; the positioning of Symantec's products in those segments; the competitive environment in the software industry; ability to integrate acquired companies and technology; ability to successfully combine product offerings and customer acceptance of combined products; general market conditions, fluctuations in currency exchange rates, changes to operating systems and product strategy by vendors of operating systems; and whether Symantec can successfully develop new products and the degree to which these gain market acceptance. Actual results may differ materially from those contained in the forward-looking statements in this press release. Additional information concerning these and other risk factors is contained in the Risk Factors sections of Symantec's previously filed Form 10-K and Form 10-Q.