Fair Isaac's Business Rules Technology Wins Readers' Choice Award from Intelligent Enterprise

Fair Isaac Blaze Advisor is a complete software solution for defining, executing and managing business rules in an automated business environment. As the industry standard among business rules solutions, Blaze Advisor has hundreds of customers worldwide across multiple industries, including financial services, insurance, healthcare, government and telecommunications.

"Intelligent Enterprise polls its readers annually to find out which technologies best meet their needs for developing, implementing and managing strategic business applications," said David Stodder, editor-in-chief of Intelligent Enterprise. "We believe that Fair Isaac taking the top spot in the business rules engine category indicates that its Blaze Advisor software delivers the best value to the greatest spectrum of users. We congratulate Fair Isaac on that achievement."

"We are very pleased that our continued investment in bringing the most innovative rules management capabilities to our customers is making such a significant impact in the marketplace," said James Taylor, vice president of product marketing, Enterprise Decision Management, at Fair Isaac. "This recognition confirms that Blaze Advisor is leading the way in helping businesses manage highly complex decisioning processes, allowing them to improve both time to market and execution agility throughout the organization."

Blaze Advisor is part of Fair Isaac's software and solutions for enterprise decision management, which combines data analytics, modeling, and policy-level control to let companies define and manage their automated business systems for improved efficiency and greater profitability. The solution supports Web Services, Enterprise Java Beans (EJB), Java 2 Enterprise Edition (J2EE) platforms, Microsoft .NET, Transaction Server and Component Object Model (COM), IBM mainframes, and legacy systems.

Fair Isaac recently announced that it has acquired assets of RulesPower, Inc., a provider of high-performance business rules management systems. The addition of RulesPower's rules execution technology will complement and enhance Blaze Advisor's existing performance optimization capabilities, powerful rules repository, developer tools and templates for business user rules management.

Published 18 times annually by CMP Media, Intelligent Enterprise is the only magazine dedicated to the strategic business applications that turn information into intelligence. It serves an exclusive audience of 80,000 business and IT professionals who plan and deploy the strategic applications their companies depend on to improve decision making, enhance business performance and maximize the value of customer relationships.

For the complete list of the 2005 Intelligent Enterprise Readers' Choice Awards, please see www.intelligententerprise.com. For more information on Fair Isaac Blaze Advisor, visit www.fico.com/rules.

About Intelligent Enterprise
Intelligent Enterprise is the only magazine dedicated to helping organizations plan and deploy strategic business applications that turn information into intelligence. Intelligent Enterprise empowers 80,000 Business Application Strategists charged with unlocking the value of strategic information, setting, managing and running their enterprise business processes to provide collaborative information delivery that drives strategic decision-making. In addition to its print reach, IntelligentEnterprise.com provides the latest news and information along with several vertical channels and infocenters.

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^® scores, the standard measure of credit risk, to manage their financial health.

Statement Concerning Forward-Looking Information
Except for historical information contained herein, the statements contained in this press release that relate to Fair Isaac 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 products 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 June 30, 2005. 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.