INFORMATICA TO HOST FINANCIAL ANALYST MEETING AND WEBCAST

REDWOOD CITY, Calif., October 17, 2003 - Informatica Corporation (NASDAQ: INFA), a leading provider of data integration and business intelligence software, today announced that its executive management team will host a financial analyst meeting at Informatica World 2003, Informatica's fifth-annual user conference, on Monday, October 20 at 1:15 p.m. PT. A live audio Webcast of the presentation will be available at http://www.informatica.com/investor. An audio archive of the event will also be available online for one week.

About Informatica

Informatica Corporation (NASDAQ: INFA) is a leading provider of data integration and business intelligence software. Using Informatica products, Global 2000 companies can leverage their existing information assets for enterprise insight that helps them improve business performance, increase customer profitability, streamline supply chain operations and proactively manage regulatory compliance. More than 1,800 companies worldwide rely on Informatica to meet their end-to-end needs for enterprise data integration and business intelligence. For more information, call 1.650.385.5000 (1.800.970.1179 in the U.S.), or visit the Informatica Web site at http://www.informatica.com/

Note: Informatica is a registered trademark of Informatica Corporation in the United States and in jurisdictions throughout the world. All other company and product names may be trade names or trademarks of their respective owners.