Initiative To Provide Industry-Wide Security Product Interoperability

NASHUA, New Hampshire (April 21, 1997) - White Pine Software, Inc. (NASDAQ: WPNE), a leading provider of web-based internetworking software solutions for the Internet, Intranets and Extranets, today announced its membership in Check Point Software Technologies' OPSEC (Open Platform for Secure Enterprise Connectivity) Alliance.

Designed to guarantee interoperability at the policy level between best-of-class, leading edge security products, the OPSEC Alliance covers a wide variety of security technologies such as encryption, anti-virus support and content screening. Check Point's OPSEC is a single platform that integrates and manages all aspects of enterprise security through an open, extensible management framework, using a combination of published application programming interfaces (APIs), support for industry-standard protocols and a high-level scripting language. All facets of enterprise security are defined and driven by a single, central enterprise-wide security policy, ensuring that corporate security is safer, simpler to maintain and more comprehensive than ever before.

"The OPSEC Alliance provides a level of assurance to customers that any combination of network security technologies they need works in concert to provide them a solid enterprise security solution," said Asheem Chandna, director of business development for Check Point Software Technologies, Inc. "As a leading provider of client/server conferencing software, we are pleased White Pine has joined the OPSEC Alliance and are confident that customers will benefit with integrated secure conferencing."

"We want our customers to have the assurance that their conferencing experience is the most secure possible," stated Brian Lichorowic, Vice President of Marketing at White Pine. "Our Reflector server software currently provides password and conference identification security for real-time group videoconferencing. With OPSEC, customers will also be able to choose the security components that best meet their enterprise conferencing needs."

About Check Point Software Technologies Ltd.
Check Point Software Technologies Ltd. is the global network security software market share leader and inventor of the patented "Stateful Inspection" technology. According to a December 1996 report by the Yankee Group, the company's flagship product, Check Point(tm) FireWall-1(tm), commanded 44% of the worldwide firewall market in the first half of 1996. FireWall-1 protects internal and external network communications for thousands of organizations of all sizes. Its products are sold worldwide through OEM partners, distributors, VARs, systems and network integrators and Internet Service Providers. The company has U.S. headquarters in Redwood City, California and international headquarters in Ramat-Gan, Israel. For product information, please visit http://www.checkpoint.com, e-mail info@checkpoint.com, or call (800) 429-4391.

About White Pine Software, Inc.
White Pine develops, markets and supports multiplatform browser-based internetworking software that facilitates worldwide video and audio communication and data collaboration across the Internet, Intranets, Extranets and other networks that use the Internet Protocol. White Pine's videoconferencing software products, Enhanced CU-SeeMe(TM) and the White Pine Reflector, create a client-server solution that allows users to participate in real-time, multipoint video, audio and data conferences over the Internet and Intranets. Enhanced CU-SeeMe has won a number of industry awards, including PC Computing's 1997 "5-Star Editor's Choice Award, Web Conferencing," NetGuide Magazine's 1997 "Best Internet Conferencing Award," Popular Science Magazine's "Best of What's New Award," New Media Magazine's "1996 Hyper Award for Best Conferencing Software" and Byte Magazine's "Best of PC Expo ‘96 Winner." WebTerm Toolbox(TM) is a new product line providing Advanced Intranet Solutions to corporations, educational organizations and government agencies. WebTerm Toolbox allows enterprise users to access legacy applications and data from within a Navigator or Explorer browser on a Windows PC or Macintosh. WebTerm Toolbox was recently named "Best Intranet Solution" at the Internet & Electronic Commerce Conference. Additional information about White Pine is available on the Web at http://www.wpine.com, or via e-mail at info@wpine.com or by calling (603) 886-9050.

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