Robert Garrigan Joins Avistar as New Vice President of Sales; Executiv

    Business Editors/High-Tech Writers

    REDWOOD SHORES, Calif.--(BUSINESS WIRE)--April 19, 2005--Avistar Communications Corp. (Nasdaq:AVSR), a video collaboration provider, has named Robert Garrigan, a veteran of more than 20 years in sales and sales management, as its new vice president of sales.
    It is expected that Mr. Garrigan's background, which includes deep experience directing sales groups in established organizations as well as evolving sales teams in small, high-growth start-ups, will enable him to further strengthen Avistar's sales team and management.
    "I am looking forward to building upon Avistar's tremendous success to date with leading financial institutions," said Garrigan, who will be based in New York. "With exciting new developments in both our product and technology, I plan to make Avistar the 'go-to partner' for all video-enabled business. Leveraging Avistar's technology, our clients can create competitive differention in the global market like never before. I am proud to be working for our world-class clients and to be a part of our exceptional team of executives."
    Mr. Garrigan, 44, started his career as an institutional equity sales trader at Morgan Stanley and then Shearson Lehman Brothers. He worked for Thomson Financial from 1990-1998, holding a number of sales and executive management positions in New York and London. In 2003, Mr. Garrigan returned to Thomson as senior vice president of global sales, responsible for overall management of the firm's third-largest client.
    Mr. Garrigan also has recent experience managing sales teams at several start-up Internet companies, including IntraLinks, Incorporated, a provider of secure websites for large financial transactions, and Streampipe/TEN-TV, a provider of on-demand webcasting for corporations and government agencies.
    Prior to joining Avistar, Mr. Garrigan was senior vice president of sales at The NewsMarket, Incorporated, a broadcast news distribution service delivering video content to Fortune 500 companies, and government and non-government organizations via an Internet-based platform.

    About Avistar Communications Corporation

    Avistar Communications Corporation develops, markets, and supports a video collaboration platform for the enterprise, all powered by the AvistarVOS(TM) software. From the desktop, Avistar delivers TV-quality video calling, recording, publishing to web and emails, video-on-demand, broadcast origination and distribution, and document sharing. Avistar video-enables business processes by integrating visual communications into the daily workflow and connecting communities of users within and across enterprises. Founded in 1993, Avistar is headquartered in Redwood Shores, California, with sales offices in New York and London. Avistar's technology is used in more than 35 countries.
    Collaboration Properties, Inc. (CPI), a wholly owned subsidiary of Avistar, holds a current portfolio of 66 patents for inventions in the primary areas of video and network technology. CPI pursues patents for presence-based interactions, desktop video, recorded and live media at the desktop, multimedia documents, data sharing, and a rich-service network video architecture to support Avistar's product suite and customers. CPI offers this intellectual property by licensing its patent portfolio and Avistar's video-enabling technologies to companies in the video conferencing, rich-media services, public networking, and related industries.
    For more information, visit www.avistar.com.

    Copyright (c) 2005 Avistar Communications Corporation. All rights reserved. Avistar, AvistarVOS, and the Avistar logo are trademarks or registered trademarks of Avistar Communications Corporation. All other trademarks and registered trademarks are the property of their respective owners.

    Forward Looking Statements

    Statements made in this news release that are not purely historical, including but not limited to statements regarding Garrigan's impact on Avistar's sales team and management, Avistar's continued success with leading banks and future developments in our products and technology, are forward-looking statements within the meaning of Section 21E of the Securities Exchange Act. Such statements are subject to risks and uncertainties that could cause actual results to differ materially, including such factors, among others, as general economic conditions in the financial services industry, increased competition in the video collaboration industry, technical challenges associated with product development and market acceptance of our products, services and intellectual property. These and other risk factors are discussed in Avistar's Annual Report on Form 10-K and Quarterly Reports on Form 10-Q filed with the Securities and Exchange Commission from time to time. Avistar disclaims any intent or obligation to update these forward-looking statements.

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CONTACT: Avistar John Carlson, 650-610-2965 jcarlson@avistar.com or SIPR Leslie McCarthy, 650-400-4547 Leslie@SIPR.com

KEYWORD: CALIFORNIA INDUSTRY KEYWORD: HARDWARE TELECOMMUNICATIONS SOFTWARE INTERNET E-COMMERCE MANAGEMENT CHANGES SOURCE: Avistar Communications Corp.

Copyright Business Wire 2005