ORLANDO, Fla., Informatique 2000, October 5, 2000 -- Informatica Corporation (NASDAQ: INFA), a leading provider of e-business analytic solutions, today announced it signed American Airlines, bringing the company's total number of customers to 1,000 by the end of the third quarter. With nearly half of Informatica's entire customer base signed within the last 12 months, this latest agreement reinforces not only the continued confidence leading global companies place in Informatica's data-integration platform but also its growing adoption as a market standard. American Airlines will use Informatica's software to help analyze historical crew, flight and maintenance information.

Informatica’s powerful business intelligence platform helps provide companies in every industry with the critical information they need to compete and win," said Clive Harrison, executive vice president of worldwide field operations at Informatica. "Informatica's rapidly expanding customer base and strong repeat business from current customers is a welcome market endorsement of the strength of our products and the services we offer. We are very pleased to welcome American Airlines to the Informatica family.

• Financial Services - In today's financial markets, accurate information in near real time is essential for success. Customer segmentation and profitability analysis are central to helping financial institutions enhance their service offerings and grow market share. Informatica's analytic platform provides financial organizations with the power to consolidate and analyze large volumes of data, enabling them to develop new services and drive new revenue streams. To maximize business performance, companies such as First Union, Salomon Smith Barney, Deutsche Bank, Merrill Lynch, Providian Financial and Credit Suisse First Boston rely on Informatica's analytic platform.
• Telecommunications - In the fast-changing telecommunications industry, new companies continue to enter the competitive battlefield driving new analytic requirements. Consolidation through mergers, acquisitions and global expansion are also driving demand for Informatica's products. Customers such as AT&T, Alltel Communications, Lucent Technologies, GTE, Ericsson Mobile Communications, Motorola, Bell Atlantic, Sprint and Qualcomm leverage Informatica to integrate a broad range of mission-critical data for analysis.
• Manufacturing - Achieving an integrated view of the entire supply chain is driving high demand for Informatica's data-integration platform. Such integration enables companies to identify opportunities to reduce inventory, and streamline manufacturing and supply chain operations. Leading manufacturing companies such as Avery Dennison, Bose Corporation, General Electric, Boeing, Toyota and Honeywell use Informatica to help achieve faster and more efficient manufacturing operations.
• Insurance - Informatica has taken an active role in streamlining insurance companies' operations by providing a robust, scalable platform for integrating large amounts of data from across the enterprise. Customers include Allstate Insurance, John Hancock, Zurich Insurance, Aetna, Liberty Mutual, Prudential, Equitable Life Insurance, MetLife, The Hartford and Mutual of Omaha.

About Informatica

This press release contains forward-looking statements as defined under The Securities Litigation Reform act of 1995. Forward-looking statements in this release include statements regarding the adoption of Informatica's platform products as a market standard, Informatica's ability to provide companies with information that will enable them to compete and win, as well as to help companies develop new services and drive new revenue streams. Factors that could cause actual results to differ materially include risks and uncertainties such as implementation and integration of Informatica's software, Informatica's ability to continue to maintain demand for its products, and to develop new products, as well as additional risk factors outlined in our Annual Report on Form 10-K for the year ended December 31, 1999 and updated in our report on Form 10-Q for our quarter ended June 30, 2000 and also in our prospectus dated September 27, 2000. Informatica assumes no duty to update any of the forward-looking statements in this release.

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