RSA Security Notice of Q2 2002 Earnings Release, Conference Call and Webcast

BEDFORD, Mass., July 1, 2002 —RSA Security Inc. (NASDAQ: RSAS), will announce its Q2 2002 financial results after the U.S. financial markets close on Wednesday, July 24, 2002. The company’s news release will be available on July 24 at approximately 4:05 p.m. E.D.T on PR Newswire, First Call and the RSA Security Web site (www.rsasecurity.com).

RSA Security will hold a conference call on July 24, 2002, to discuss its Q2 02 results at approximately 4:30 p.m. E.D.T. The dial-in number for this conference call in the United States is 888-942-8132 and the number for international calls is 630-395-0022; both numbers have a pass code of “RSAS.” A replay of this conference call will be available for two days at 402-220-4120. In addition, a live Webcast of this conference call will be available on the “Investor” page of the company’s Web site. Webcast participants should register approximately 15 minutes before the event to download and install any necessary software. A replay of this Webcast will be available for two business days.

About RSA Security Inc.
RSA Security Inc., the most trusted name in e-security, helps organizations build trusted e-business processes through its RSA SecurID® two-factor authentication, RSA ClearTrust Web access management, RSA BSAFE encryption and RSA Keon® digital certificate management product families. With approximately one billion RSA BSAFE-enabled applications in use worldwide, more than 12 million RSA SecurID authentication users and almost 20 years of industry experience, RSA Security has the proven leadership and innovative technology to address the changing security needs of e-business and bring trust to the online economy. RSA Security can be reached at www.rsasecurity.com.

RSA, BSAFE, ClearTrust, Keon, SecurID and The Most Trusted Name in e-Security are registered trademarks of RSA Security Inc. All other products and services mentioned are trademarks of their respective companies.