PGP Introduces Freeware Version of PGP for Personal Privacy 5.5

SAN MATEO (Dec. 4, 1997) - In keeping with its commitment to protection of individual privacy with strong encryption, Pretty Good Privacy, Inc. (PGP), today announced the release of the freeware version, PGPfreeware 5.5.

PGPfreeware uses the same strong encryption technology as PGP for Personal Privacy and PGP for Business Security products - no less than 128-bit minimum - and allows individuals to encrypt, decrypt, sign and verify e-mail messages, file attachments and stored folders. PGPfreeware is available for non-commercial use.

"PGP is dedicated to providing freeware versions of products to protect digital communications and stored data," said Phil Zimmermann, chief technology officer of PGP. "Freeware users are the heritage of our company and we will continue to support their use of PGP products."

PGPfreeware uses the Diffie-Hellman algorithm and is available on Windows 95/NT and Macintosh platforms. Free downloads (by users in the US and Canada) are available from the World Wide Web at www.pgp.com. PGP does not provide technical support for freeware products.

About PGP
Pretty Good Privacy, Inc. based in San Mateo, California, is the pioneer and leading provider of applied cryptographic solutions for securing corporate digital assets and protecting individual privacy. PGP is committed to providing the most advanced security products for the digital age, safeguarding the communication and storage of information. With over four million users in 50 countries, and translations into 25 languages, PGP is the worldwide de facto standard for Internet e-mail and file encryption. For more information, visit our web site at http://www.pgp.com.

Copyright (c) 1997 Pretty Good Privacy, Inc. All rights reserved. PGP and Pretty Good Privacy are registered trademarks of Pretty Good Privacy, Inc. This software uses public key algorithms described in U.S. patent numbers 4,200,770, 4,218,582, 4,405,829, and 4,424,414, licensed exclusively by Public Key Partners; the IDEA cryptographic cipher described in U.S. patent number 5,214,703, licensed from Ascom Tech AG; and the Northern Telecom Ltd. CAST Encryption Algorithm, licensed from Northern Telecom, Ltd. IDEA is a trademark of Ascom Tech AG. Other product names are trademarks of their respective owners.

With headquarters in Santa Clara, Calif., Network Associates, Inc., (Nasdaq: NETA), formerly McAfee Associates, is a leading supplier of enterprise network security and management solutions. Network Associates' product offering includes four individual software suites: Total Virus Defense, Total Network Security, Total Network Visibility and Total ServiceDesk, which can be centrally managed from within the Network Associates' NetTools unified management environment. For more information, Network Associates can be reached at (408) 988-3832 or on the Web at http://www.networkassociates.com.