REDWOOD CITY, Calif., September 20, 2001 - Informatica Corporation (NASDAQ: INFA), the leading provider of enterprise analytic software, today announced it was named the 22nd fastest-growing technology company in Deloitte & Touche's “Silicon Valley Technology Fast 50” program, a ranking of the fastest-growing technology companies in the area. Rankings were based on companies' revenue growth percentages from 1996 to 2000, during which period Informatica reported 7,739 percent revenue growth.

"We take great pride in our placement within the Deloitte & Touche Technology Fast 50," said Gaurav Dhillon, CEO of Informatica. "Informatica's growth as an organization reflects the continued adoption of its enterprise analytic platform as the global standard for companies looking to maximize the effectiveness of their business."

“Making the Deloitte & Touche 'Fast 50' is a significant achievement that confirms a company's success within its industry,” said Roy Avondet, partner in charge of Technology & Communications for Northern California at Deloitte & Touche. “While the current state of the economy has been challenging for many companies in the Valley, Informatica has continued to maintain its prominent position in the analytics space. We at Deloitte & Touche congratulate Informatica for its ongoing success.”

The average growth for companies in the '2001 Silicon Valley Fast 50' is 16,522 percent, which more than doubled the last year's average of 7,142 percent for all 'Fast 50' companies in the region.

To qualify for the Fast 50, companies must have had operating revenues of at least $50,000 in 1996 and at least $1 million in 2000, must be public or private companies headquartered in Silicon Valley, and must be “technology companies,” defined as companies that manufacture a technology-related product and/or devote a high percentage of effort to research and development of technology.

Deloitte & Touche, one of the nation's leading professional services firms, provides assurance and advisory, tax, and management consulting services through 30,000 people in more than 100 U.S. cities. For more information on the Deloitte & Touche Fast 50 or Fast 500 programs, visit www.fast500.com.

About Informatica

Informatica provides enterprise analytic software that enables decision makers to transform business insight into competitive advantage. Informatica provides the industry's only integrated set of analytic products, including a powerful data integration platform, a suite of cross value chain analytic applications, and soon the real-time delivery of personalized analytics via web, wireless and voice. More than 1,300 customers, including 60 percent of the Fortune 100, rely on Informatica software to integrate, analyze and deliver critical information to managers, executives and other decision-makers to optimize business performance. The company's list of global customers includes 3Com, AMD, American Airlines, BMW, Borders Group, Chevron, Cisco, CNET, the Department of Justice, Deutsche Bank, eBay, General Electric, Hewlett-Packard, MetLife, Motorola, Philips, Polo Ralph Lauren, Sprint, UBS and the U.S. Postal Service. For more information, call +1-800-970-1179, or visit the Informatica Web site at http://www.informatica.com/.

Contact:

Samantha Moore
Informatica Corporation
650.687.6361
pr@informatica.com

Colleen Haikes
TSI Communications
650.635.0200
chaikes@tsicomm.com