Symantec added to NASDAQ-100 Index

MUMBAI -- December 17, 2001 - Symantec Corp. (Nasdaq: SYMC), the world leader in Internet security, today announced that it has been added to the Nasdaq-100 Index®, effective with the market open on Monday, Dec. 24, 2001. Shares of SYMC will also be included in the Nasdaq-100 Index Tracking StockSM (AMEX: QQQ).

"Being named to the Nasdaq-100 Index is a reflection of the consistent and sustained performance Symantec has been able to achieve over the past few years," said John W. Thompson, Symantec chairman, president and CEO. "We are pleased to be a part of this elite group."

Launched in January 1985, the Nasdaq-100 Index represents the largest and most active non-financial domestic and international issues listed on The Nasdaq Stock Market based on market capitalization. The Nasdaq-100 Index Tracking Stock was launched in March 1999 and represents ownership in the Nasdaq-100 Trust. The Trust holds a portfolio of equity securities that compose the Nasdaq-100 Index and aims to provide investment results that generally correspond with the Nasdaq-100 Index performance.

About Symantec
Symantec, the world leader in Internet security technology, provides a broad range of content and network security software and appliance solutions to individuals, enterprises and service providers. The company is a leading provider of client, gateway and server security solutions for virus protection, firewall and virtual private network, vulnerability management, intrusion detection, Internet content and e-mail filtering, remote management technologies and security services to enterprises and service providers around the world. Symantec's Norton brand of consumer security products is a leader in worldwide retail sales and industry awards. Headquartered in Cupertino, Calif., Symantec has worldwide operations in 37 countries. For more information, please visit www.symantec.com.

NOTE TO EDITORS: If you would like additional information on Symantec Corporation and its products, please view the Symantec Press Center at http://www.symantec.com/PressCenter/ on Symantec's Web site. All prices noted are in US dollars and are valid only in the United States. Symantec and the Symantec logo are trademarks or registered trademarks, in the United States and certain other countries, of Symantec Corporation. Additional company and product names may be trademarks or registered trademarks of the individual companies and are respectfully acknowledged.

FORWARD LOOKING STATEMENT: This press release contains forward-looking statements, including statements regarding anticipated activities and results, 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 risks that current global adverse economic conditions and reduced spending will continue or worsen; currency exchange fluctuations will adversely affect our results; the difficulty of developing and marketing products that compete effectively with others; new security threats and other economic, business, competitive and/or regulatory factors affecting Symantec's business generally. 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 the Company's previously filed Form 10-K for the year ending March 30, 2001 and the Form 10-Q for the quarter ended Sept. 28, 2001.