Sybase, Inc. Hosts Webcast to Discuss Completion of Private Placement of Convertible Subordinated Notes Investors, Analysts and Press Are Invited to Listen to a Live Audio Webcast Discussion With Sybase Senior Executives Discussing the Completion of Company's Convertible Subordinated Notes Offering DUBLIN, Calif., Feb. 17 /PRNewswire-FirstCall/ -- WHAT: Sybase, Inc. Chairman, CEO and President John Chen and Senior Vice President and CFO Pieter Van der Vorst will discuss completion of the company's convertible subordinated notes offering via live audio Webcast. WHEN: Tuesday, February 22, 2005 at 4:30 p.m. ET (1:30 p.m. PT). WHERE: Go to the Sybase, Inc. homepage at http://www.sybase.com/ and use the Webcast icon. The Webcast can also be accessed from http://www.fulldisclosure.com/ , and enter the ticker symbol, "SY" in the ticker search box. Participants will be prompted for name and company affiliation. Participants must have Windows Media Player installed on their systems to participate. Please allow for time to download and prepare system prior to the Webcast. The Webcast will also be archived at http://www.fulldisclosure.com/ . About Sybase, Inc. Celebrating 20 years of innovation, Sybase enables the Unwired Enterprise for customers and partners by delivering enterprise and mobile solutions for information management, development and integration. The world's most critical data in commerce, communications, finance, government, and healthcare runs on Sybase. For more information, visit the Sybase Web site: http://www.sybase.com/ . NOTE: Sybase is trademark or registered trademarks of Sybase, Inc. (R) indicates registration in the United States. DATASOURCE: Sybase, Inc. CONTACT: investors, Lynne Farris, +1-925-236-8797, or , or media, Heather Peterson, +1-925-236-6517, or , both of Sybase, Inc. Web site: http://www.sybase.com/

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