Barclays Bank Reaffirms Commitment to Fraud Protection Using Fair Isaac's Falcon Fraud Manager.

Business Editors/High-Tech Writers

SAN RAFAEL, Calif.--(BUSINESS WIRE)--Dec. 10, 2003

World's leading payment card fraud detection system will protect

Europe's largest card issuer from transaction fraud

through the next five years

Fair Isaac Corporation (NYSE: FIC), the leading provider of analytics and decision technology, announced today that UK-based Barclays Bank PLC ("Barclays") agreed to continue its successful utilization of Fair Isaac's industry-leading fraud management solution, Falcon(TM) Fraud Manager, to protect its credit, debit and corporate card portfolios from payment card fraud.

Barclays, Europe's largest card issuer with more than 19.5 million debit and credit cards, extended its commitment to Falcon as its exclusive fraud protection solution for an additional five years. The bank has been successfully using Falcon since 1997. Falcon currently protects more than 450 million payment card accounts worldwide, detecting a wide range of payment card fraud with the highest level of accuracy via sophisticated neural network models and other predictive technologies.

Barclays also extended its commitment to use Falcon as the exclusive fraud protection solution for its Monument credit card portfolio. In addition to Fair Isaac's fraud detection solution, the issuer is currently utilizing Fair Isaac's TRIAD(TM) adaptive control system for both customer and account management.

"Fair Isaac has been a valuable partner of Barclays in our ongoing efforts to manage risk and control fraud for many years," said Ian Spencer, Head of Fraud at Barclaycard. "Our fraudulent activity reduced by 30 percent last year. The solid results we've achieved with Falcon in addressing fraud across all of our card products made continuing the use of Falcon a natural choice. We are proud to offer best-in-class fraud protection to our customers."

Falcon Fraud Manager's patented profiling technology and broad-based consortium models deliver reliable fraud detection by identifying abnormal spending patterns at the lowest false positives in the industry, resulting in significantly reduced fraud losses. An advanced rules management system allows clients to develop fraud management rules representing industry best practices and their unique business strategy, workflow processes and requirements. A user-friendly case management system improves efficiency, automates and streamlines case handling, and maintains a case audit trail.

"We are pleased that Barclays has achieved measurable success using Falcon as its solution for fraud control," said Tim Grace, vice president of business management in Fair Isaac's Global Fraud Solutions unit. "Leading financial institutions worldwide trust the proven fraud detection and prevention capabilities of Falcon and the excellent results the solution delivers to their bottom line. Falcon enables Barclays to provide valuable service and protection to its cardholders while realizing significant operational efficiencies."

Falcon Fraud Manager is recognized as the leading global payment card fraud detection system, protecting 85 percent of credit card transactions in the U.S. and 65 percent of credit card transactions worldwide. 20 of the top 25 financial institutions worldwide use Fair Isaac's fraud detection solutions.

About Barclays

Barclays is an international financial services group engaged primarily in banking, investment banking and asset management. In terms of assets employed, Barclays is one of the largest financial services groups in the UK. The Group also operates in many other countries around the world and is a leading provider of co-ordinated global services to multinational corporations and financial institutions in the world's main financial centres. Worldwide, the Barclays Group has 2,579 branches. Barclaycard is Europe's leading issuer of credit cards with 10.4 million customers and 12 million cards in circulation worldwide. Barclaycard operates in 62 countries across Europe and Africa. In the UK, Barclaycard has over 9 million customers.

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 more than 25 billion 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.

Statement Concerning 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 software offering and the relationship described herein, and the benefits to be derived from this offering, 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, the company's ability to recruit and retain key technical and managerial personnel, the maintenance of its existing relationships with key alliance partners, 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, 2003. 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, TRIAD 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 the trademarks of their respective owners.