RSA & Sec. Dyn.

It's true: FOR IMMEDIATE RELEASE Security Dynamics to Acquire RSA in Transaction Valued at Approximately $200 Million Cambridge MA and Redwood City, CA -- April 15, 1996 -- Security Dynamics Technologies, Inc. (NASDAQ: SDTI) and RSA Data Security, Inc. today announced that they have signed a definitive agreement for Security Dynamics to acquire RSA, a Redwood City, California vendor of encryption software. The transaction is intended to be carried out by the merger of RSA and a wholly-owned subsidiary of Security Dynamics in a tax-free transaction accounted for as a pooling of interests. For the year ended December 31, 1995, RSA had revenues and net income of approximately $11,6000,000 and $950,000, respectively. Ben