EXHIBIT 10.31 FOURTH ADDENDUM TO OVERTURE SEARCH SERVICES AGREEMENT

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Exhibit 10.31

FOURTH ADDENDUM TO OVERTURE SEARCH SERVICES AGREEMENT

This Fourth Addendum (the "Fourth Addendum") is effective as of March 28, 2005 (the "Fourth Addendum Effective Date") and entered into by and between Overture Services, Inc. ("Overture"), a wholly owned subsidiary of Yahoo!, Inc. ("Yahoo"), with offices at 74 North Pasadena Avenue, 3d Floor, Pasadena, CA 91103, and Yahoo, a Delaware corporation with offices at 701 First Avenue, Sunnyvale, CA 94089, in connection with the Overture Search Services Agreement effective as of May 1, 2002 and entered into by and between Overture and Yahoo, as amended by the First Addendum to Overture Search Services Agreement effective as of October 1, 2002, the Second Addendum to Overture Search Services Agreement effective as of January 10, 2003, and the Third Addendum to Overture Search Services Agreement effective as of April 25, 2003 (collectively referred to as the "Agreement").

RECITALS

WHEREAS, the Agreement provides that, among other things, Yahoo has two options to extend the Term of the Agreement by an additional two or three years.

WHEREAS, Yahoo is now exercising its first option to extend the Term for a period commencing on May 1, 2005 and continuing to April 30, 2008 (an "Extension Term") pursuant to its right to do so as provided in Sectio