Xyplex Networks unveils summer promotion for remote access servers.

LITTLETON, Mass.--(BUSINESS WIRE)--July 8, 1997--

Users can save up to $3,600 with purchase of select MAXserver

multiprotocol remote access servers and receive free software,

documentation and protocol options

Xyplex Networks, a wholly-owned division of Whittaker Corporation (NYSE: WKR) and leading provider of network access solutions for the enterprise edge, today announced the beginning of a summer promotion for its standalone MAXserver remote access servers.

The summer promotion offers North American customers a way to "bridge the gap" in their networking capabilities by integrating their legacy remote access technology with new technology and applications. Until August 31st, customers can purchase an 8-, 20- or 40-port standalone MAXserver access server with 4 MB memory and automatically receive a CD-ROM kit containing access server software and documentation, a Series 2 flash card and XRemote, IPX printing and TN3270 option keys.

"As organizations migrate from terminal-to-host to client server architectures in order to support newer applications such as the Internet, they require a solution that supports both older terminal servers and newer remote access technology. This promotion provides a low-cost, easy-to-order process for purchasing these feature-rich access servers and leverages our strength in the remote access space," said Michael Thurk, CEO, Xyplex Networks.

Special Promotion Pricing-(a)

Customers can save up to $3,600 depending on the package they order. All specials include CD-ROM kit with access server software and documentation.

-- MAXserver 1608 including one 8-port access server with 4 MB memory and XRemote, IPX printing and TN3270 option keys for eight users is available today for $2,599, compared to U.S. list price of $3,935. -- MAXserver 1620 including one 20-port access server with 4 MB memory and XRemote, IPX printing and TN3270 option keys for 20 users is available today for $3,599, compared to U.S. list price of $5,535. -- MAXserver 1640 including one 40-port access server with 4 MB memory and XRemote, IPX printing and TN3270 option keys for 40 users is available today for $5,399, compared to U.S. list price of $9,085.

Xyplex Networks has been a leader in the remote access category since 1981. The company has consistently appeared in market research reports of highly respected firms, such as International Data Corporation, as one of the top five leading providers of remote access ports shipped. Since its inception, the company has shipped over 5 million access server ports and has provided thousands of customers with access solutions to connect to corporate networks and the Internet.

Xyplex's access servers are available in a modular version-(a) for the Network 9000 Edge Hub and in 8-, 20-, 40-port standalone versions. The access servers allow packet traffic over a dial-up connection at port speeds up to 115 kbps. and support a variety of protocols: TCP/IP, DECnet LAT, DECnet multisessions, IPX and IPX printing, TN3270, PPP, ARAP, SLIP, CSLIP and XRemote.

The access servers offer autoconnect features and Automatic Protocol Detection (APD), which automatically senses the protocol utilized and sets up the link appropriately without user intervention required. Security features provided include RADIUS, RADIUS Accounting, dynamic filtering for IP and IPX, Kerberos and SecurID.

Ordering information

Xyplex Networks products are sold via a direct sales force and sales partners. For more information on this summer promotion, please call 800-338-5316 x4777. All customers requesting information on this promotion will receive a free CD wallet holding up to six CD-ROMs. A copy of the Xyplex Networks corporate presentation on CD-ROM describing the company's new focus and corporate strategy as an edge player will also be included in the CD wallet.

About Xyplex Networks

Xyplex Networks is a leading provider of network access solutions for the enterprise edge, the seam where corporate networks meet the wide area public network and the service provider edge. The company provides customers with network access solutions based on the WANScape(tm) software architecture and a range of cost-effective modular and standalone platforms. Headquartered in Littleton, Mass., Xyplex Networks is a wholly-owned subsidiary of Whittaker Corporation. The company operates offices throughout North America, South America, Latin America, Europe, South Africa, and the Pacific Rim.

Whittaker Corporation (NYSE: WKR) based in Simi Valley, Calif., provides products and services with a high technology and engineering component to the aerospace and communications industries through its three principal operating segments: Whittaker Aerospace Group, Xyplex Networks and Aviant Information.

For more information on Xyplex Networks' product portfolio, please contact 508-952-4700 or the toll-free sales line at 800-338-5316, send electronic mail through the Internet to [e-mail] or visit our web site at http://www.xyplex.com. Xyplex Networks is headquartered at 295 Foster Street, Littleton, MA 01460 USA. -0-

WANScape is a trademark of Whittaker Corporation. MAXserver is a registered trademark of Whittaker Corporation. All other trademarks are property of their respective companies.

-(a) Special promotion is valid for North American orders that are shipped until August 31, 1997. This promotion applies to the standalone access servers not the modular version for the Network 9000 Edge Hub.

CONTACT: Copithorne & Bellows Xyplex Networks

Bill Brikiatis Rachel Winett Lamont

617-450-4300 508-952-5702

[e-mail] [e-mail]