Fair Isaac Corporation (NYSE:FIC) today announced that eFunds Corporation, a leading provider of risk management, electronic payments and global outsourcing solutions, will deploy Fair Isaac's Falcon(TM) Fraud Manager 5.1 solution in its payment processing data centers. eFunds is the first client to implement the newest version of the industry-standard payment card fraud detection solution, which helps businesses streamline operations for even greater control over fraud losses.

Falcon Fraud Manager uses a combination of sophisticated neural network models, patented account profiling technologies, case management and flexible, user-definable intelligent rules to analyze payment card transactions for the most subtle signs of fraud, enabling financial institutions to take immediate measures to stop fraudulent transactions.

Version 5.1 features a complete redesign of the Falcon solution, including a new architecture and significant case and rules management technology enhancements. The new solution will allow eFunds to offer participating card issuers access to highly effective fraud prevention technology that enables them to streamline resources, achieve significant cost savings and maintain focus on card portfolio growth and enhanced customer service.

"Fair Isaac has been a valuable partner of eFunds in our ongoing efforts to provide reliable, advanced processing solutions that help financial institutions efficiently automate payment transactions and fraud prevention," said Rob Myhre, vice president of Electronic Funds Transfer (EFT) Processing at eFunds. "Our customers have expressed a strong interest in a solution that accurately scales with their increasing transaction volumes and provides more flexible rules capabilities, while continuing to deliver the highest level of cardholder fraud protection. Falcon 5.1 helps us to address these needs."

The latest version of Fair Isaac's Falcon Fraud Manager is built on a new modular platform that simplifies implementation, maintenance and future upgrades with less demand on eFunds' IT resources. Written in Java, with a Web-based workstation, Falcon 5.1 allows eFunds to offer its card issuers more flexibility for rules and case management in eFunds' multi-client environment. The enhanced solution also offers an expanded, configurable Application Program Interface (API), which provides users with more flexibility by enabling them to add their own custom variables.

"The fraud environment is constantly changing, and Falcon's adaptability to those changes ensures that it will continue to deliver great value to processors and card issuers around the world," said Sonja Schindeler, vice president of Fraud Solutions at Fair Isaac. "With Falcon 5.1, we have made the world's leading fraud detection solution even more powerful and adaptable. The highly flexible architecture will easily integrate with future fraud analytic technologies, allowing our clients to better leverage their investments while achieving all of their fraud control and growth objectives."

A key enhancement to Falcon 5.1 is the addition of the industry's leading rules management capabilities. A new Rules Editor feature, based on Fair Isaac Blaze Advisor, eliminates the limits on the number and length of rules. Rules can be easily tracked and modified to quickly react to changing market conditions and respond to new fraud trends.

New reporting technology with enhanced functionality also gives clients more ways to quickly and easily analyze data and monitor productivity. A redesigned case management system using an intuitive interface to the existing Falcon Scoring Engine -- which continues to provide the most effective fraud detection analytics -- allows users to streamline case handling and decisioning and process more cases per hour.

Fair Isaac's Falcon Fraud Manager is recognized as the leading global payment card fraud detection system, protecting more than 450 million active payment card accounts across six continents from fraud. Twenty of the top 25 financial institutions worldwide use Fair Isaac's fraud detection solutions.

About eFunds

eFunds Corporation is an industry leader with nearly 30 years of experience and expertise in electronic payments and risk management. eFunds offers electronic transaction processing, risk management and related outsourcing solutions to financial institutions, electronic funds transfer networks, government agencies and retailers around the world. Committed to providing excellent customer service and award-winning products, eFunds enables its clients to reduce transaction and infrastructure costs, detect potential fraud and enhance relationships with their customers. www.eFunds.com.

About Fair Isaac

Fair Isaac Corporation (NYSE:FIC) is the preeminent provider of creative analytics that unlock value for people, businesses and industries. The company's predictive modeling, decision analysis, intelligence management, decision management systems and consulting services power billions of mission-critical customer decisions a year. Founded in 1956, Fair Isaac helps thousands of companies in over 60 countries acquire customers more efficiently, increase customer value, reduce fraud and credit losses, lower operating expenses and enter new markets more profitably. Most leading banks and credit card issuers rely on Fair Isaac solutions, as do insurers, retailers, telecommunications providers, healthcare organizations and government agencies. Through the www.myfico.com Web site, consumers use the company's FICO(R) scores, the standard measure of credit risk, to manage their financial health. For more information, visit www.fairisaac.com.

Statements Regarding Forward-Looking Information

Except for historical information contained herein, the statements contained in this press release that relate to Fair Isaac, including statements regarding its Falcon Fraud Manager 5.1 product offering and the benefits to be derived from Falcon 5.1, are forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially, including any unforeseen technical difficulties related to the implementation, use and functionality of the offering, the risks that customers will not perceive material benefits from the offering, failure of the product to deliver the expected results, the possibility of errors or defects in the offering, regulatory changes applicable to the use of consumer credit and other data, and other risks described from time to time in Fair Isaac's SEC reports, including its Annual Report on Form 10-K for the year ended September 30, 2004, and quarterly report on Form 10-Q for the period ended December 31, 2004. Forward-looking statements should be considered with caution. If any of these risks or uncertainties materializes or any of these assumptions proves incorrect, Fair Isaac's results could differ materially from Fair Isaac's expectations in these statements. Fair Isaac disclaims any intent or obligation to update these forward-looking statements.

Fair Isaac, Falcon and FICO are trademarks or registered trademarks of Fair Isaac Corporation, in the United States and/or in other countries. Other product and company names herein may be trademarks of their respective owners.

Contacts
Fair Isaac Corporation
John Emerick, 800-213-5542 (Investors/Analysts)
investor@fairisaac.com
Angela Carlson, 415-492-5373 (Media)
acarlson@fairisaac.com