Vialog Corporation Selected as an Application Service Partner by Brio Technology; Vialog's Conferencing Services To Be Included in Brio's Advanced Portal Solution.

Business/Technology Editors

BEDFORD, Mass. and SANTA CLARA, Calif.--(BUSINESS WIRE)--Nov. 15, 2000

Vialog Corporation (AMEX: VX), a leading provider of audio, video and Internet conferencing services, today announced its selection as an application partner by Brio Technology (Nasdaq: BRIO), a leading provider of complete business analytic software solutions that enable companies to achieve enterprise-wide intelligence. Vialog's WebConferencing.com(SM) portal will be included in Brio's portal infrastructure to give Brio customers immediate access to Vialog's complete suite of collaboration tools and group communications services.

"Vialog and Brio share a common vision - to improve business performance by providing the tools to enhance productivity and communication," said Kim Mayyasi, Vialog's president and chief executive officer.

Vialog, as an application service partner, gives Brio ONE users instant access to a wide range of group communications services through Vialog's WebConferencing.com portal. Live links on enterprise information portals to WebConferencing.com enable users to collaborate as a team and respond to actionable information in real-time. In addition to instantly holding ad hoc Vialog Web Conferencing(SM) meetings, users can schedule and manage audio, video and Web conferences, notify participants of upcoming meetings and broadcast voicemail, e-mail, or fax messages to a large audience.

Brio Technology equips businesses with a complete, integrated intelligence infrastructure that brings together vast amounts of data regardless of where it is stored and translates it into useful, actionable information. The Brio ONE solution is specifically designed to enable everyone in the extended enterprise with easy access to dynamic, reliable, real-time business information through a unique browser-driven interface, to close the gap between opportunity recognition, decision-making and execution.

"Brio is about identifying opportunities and driving communication and action between employees, partners and customers," said Yorgen Edholm, Brio's president and chief executive officer. "Vialog will add value to Brio ONE by providing communication tools to enable businesses to take immediate action on the opportunities identified."

"It's through relationships with leading companies such as Brio Technology that Vialog aims to continue to identify new, highly-qualified business customers with a clear need for our services," added Kim Mayyasi.

About Vialog Corporation

Headquartered in Bedford, Massachusetts, Vialog is a leading provider of teleconferencing and messaging services, including audio conferencing, video conferencing, web conferencing, voicemail broadcast, e-mail broadcast and fax broadcast. Vialog helps its more than 6,000 corporate customers communicate more professionally, efficiently and effectively by delivering superior customer service and an extensive range of enhanced and customized conferencing solutions. Vialog's common stock (symbol: VX) is quoted on AMEX. To get in touch with Vialog, visit www.vialog.com. Also visit www.webconferencing.com, for direct, online access to Vialog's conferencing and messaging services.

About Brio Technology

Brio Technology, Inc. (Nasdaq: BRIO) delivers a complete business solution that enables companies to use information to be more competitive, customer-centric and responsive to the increasing demands of business. With Brio ONE, organizations have one integrated, scalable and easy-to-use solution to deliver business intelligence, enterprise reporting, information portals, and packaged analytic applications across the extended enterprise. Brio ONE helps companies derive higher business value from all of their enterprise information sources, including ERP, SFA and CRM applications, as well as data marts, data warehouses, and the Web. Brio products and services are available through direct sales and professional service organizations located in North and South America, Asia Pacific and Europe, and through worldwide VARs, resellers and distributors. Brio has commercial relationships with companies such as Hewlett Packard, IBM, Microsoft, Oracle, PeopleSoft, SAP and Sun Microsystems. Brio Technology headquarters is located in Santa Clara, California. More information can be found on our Web site: www.brio.com or by calling 408-496-7400 or 1-877-289-BRIO.

WebConferencing.com and Vialog Web Conferencing are service marks of Vialog Corporation.

Brio and BrioQuery are registered trademarks of Brio Technology. BrioQuery.Server, Brio.Insight, Brio.Quickview, Brio.Report and Brio.Portal are trademarks of Brio Technology. Other products or company names may be trademarks of their respective owners.

The statements in this press release regarding Brio's future product development and commercialization, as well as partner opportunities and alliance agreements pertaining to Vialog Corporation are "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities and Exchange Act of 1934, as amended. Such statements are subject to risks and uncertainties that could cause actual results to differ materially from those anticipated. Such risks and uncertainties include, but are not limited to, Brio's future product direction, partner and alliance programs, and future product integration with the Vialog Web Conferencing(SM) and WebConferencing.com portal. For a more complete discussion of risk factors that could affect the Company's current and future operating results, see the discussions in the Company's reports filed with the SEC from time to time, including but not limited to the Company's Annual Report on Form 10-K for the year ended March 31, 2000 filed with the SEC on June 29, 2000, as amended on July 28, 2000, and the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2000 filed with the SEC on August 14, 2000.