INFORMATICA TO PRESENT AT THE FIRST ANALYSIS INVESTMENT CONFERENCE ON NOVEMBER 5, 2003

REDWOOD CITY, Calif., November 3 , 2003 - Informatica Corporation (NASDAQ: INFA), a leading provider of data integration and business intelligence software, today announced that Girish Pancha, executive vice president of products, will present a company overview at the First Analysis Investment Conference in New York on Wednesday, November 5th at 8:50 a.m. EST. A live audio Web cast of the presentation will be available at http://www.informatica.com/investor until 12:00 p.m. PDT on November 12, 2003.

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.