Industry Analyst Report Cites Fair Isaac as Revenue Leader in Analytic Applications Market

According to the recent IDC report "Worldwide Business AnalyticsSoftware 2004 Vendor Shares" (IDC #33756), Fair Isaac led theworldwide Analytic Applications revenue category in 2004 with revenuesof $384.5 million. These results represent an increase of more than 25percent in revenues from 2003. According to the IDC report, theanalytic applications market includes financial and businessperformance management applications, customer relationship management(CRM) analytic applications, and supply chain and operational analyticapplications.

"Fair Isaac continues to successfully deliver analyticapplications that support critical business process and overallperformance improvements," said Henry Morris, group vice president forapplications and information access software research at IDC. "FairIsaac's solutions for vital processes such as customer management,risk management and fraud control are well-established in thefinancial services industry, and the company continues to focus onexpanding the relevance and impact of its analytics acrossindustries."

"The IDC ranking reflects our ongoing success in deliveringworld-class analytic technologies that drive smarter, faster, moreprofitable decisions," said Michael Chiappetta, vice president ofproduct development at Fair Isaac. "We are advancing our goal ofequipping more businesses with solutions and tools that give theirdecisions unmatched precision and consistency, and we believe that weare well-positioned to build upon that momentum as we continue to pushthe potential of analytics to new levels of innovation."

Fair Isaac's analytic applications include predictive models andstrategy optimization that result in more targeted and successfuldecisions; data management and data analysis services that bringcomplete customer transactional information to every decision; andbusiness rules management software that implements decisions in areal-time environment for faster, more consistent and more accuratedecisions. Fair Isaac also provides tools and services that helpbusinesses develop and deploy their own systems for EnterpriseDecision Management. For more information, visit www.fairisaac.com.

About Fair Isaac

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

Statement Concerning Forward-Looking Information

Except for historical information contained herein, the statementscontained in this press release that relate to Fair Isaac areforward-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 anduncertainties that may cause actual results to differ materially,including any unforeseen technical difficulties related to theimplementation, use and functionality of the offerings, the risks thatcustomers will not perceive material benefits from the offerings,failure of the products to deliver the expected results, thepossibility of errors or defects in the offerings, regulatory changesapplicable to the use of consumer credit and other data, and otherrisks described from time to time in Fair Isaac's SEC reports,including its Annual Report on Form 10-K for the year ended September30, 2004, and quarterly report on Form 10-Q for the period ended June30, 2005. Forward-looking statements should be considered withcaution. If any of these risks or uncertainties materializes or any ofthese assumptions proves incorrect, Fair Isaac's results could differmaterially from Fair Isaac's expectations in these statements. FairIsaac disclaims any intent or obligation to update theseforward-looking statements.

Fair Isaac and FICO are trademarks or registered trademarks ofFair Isaac Corporation, in the United States and/or in othercountries. Other product and company names herein may be trademarks oftheir respective owners.