FAIR ISAAC CORP — Director's Dealing 2011

Feb 2, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FAIR ISAAC CORP (FICO)
CIK: 0000814547
Period of Report: 2011-01-31

Reporting Person: BATTLE A GEORGE (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-31	Common Stock	M	20250	$17.7778	Acquired	63111	Direct
2011-01-31	Common Stock	S	19460	$25.7625	Disposed	43651	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-01-31	Non-Qualified Stock Option (right to buy)	$17.7778	M	20250	Disposed	2011-02-06	Common Stock (20250)	Direct
2011-02-01	Non-Qualified Stock Option (right to buy)	$25.87	A	11250	Acquired	2021-01-31	Common Stock (11250)	Direct

Footnotes

F1: Sold pursuant to insider's 10b5-1 plan.

F2: This transaction was executed in multiple trades at prices ranging from $25.60 to $25.91. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

F3: 31,263 shares are held directly; 8,388 shares are held by adult son and 4,000 shares are held by adult daughter; neither of who share the reporting person's household. Reporting person has authority to make investement decisions on behalf of both adult children's accounts. The reporting person disclaims beneficial ownership of his adult children's securities and this categorization shall not be deemed an admission that the reporting person is the beneficial owner of the securities for puposes of Section 16 or any other purpose.