Attachment to Form 4

JOINT FILER INFORMATION

Name and Address:	Third Point LLC
	390 Park Avenue
	New York, NY 10022
Date of Event Requiring Statement:	01/31/13
Issuer and Ticker Symbol:	Yahoo! Inc. (YHOO)
Relationship to Issuer:	Director
Designated Filer:	Daniel S. Loeb
TABLE II INFORMATION
Title of Security:	Common Stock
Transaction Date:	01/31/13
Transaction Code:	S
Amount of Securities and Price:	7,500,000 at $19.7048 per share
Securities Acquired (A) or Disposed of (D):	D
Amount of Securities Beneficially Owned Following Reported Transactions:	65,500,400
Ownership Form:	I
Nature of Indirect Beneficial Ownership:	(1)
Title of Security:	Common Stock
Transaction Date:	02/01/13
Transaction Code:	S
Amount of Securities and Price:	3,500,400 at $19.6769 per share
Securities Acquired (A) or Disposed of (D):	D
Amount of Securities Beneficially Owned Following Reported Transactions:	62,000,000
Ownership Form:	I
Nature of Indirect Beneficial Ownership:	(1)

Signature	THIRD POINT LLC
	By:  DANIEL S. LOEB, Chief Executive Officer
	By:	/s/ William Song
	Name:	William Song
	Title:	Attorney-in-Fact