SCHEDULE 13G EXHIBIT B JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)(1)

SCHEDULE 13G

EXHIBIT B

JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)(1)

The undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13G in connection with their beneficial ownership of the Common Stock of Anheuser-Xxxxx Companies, Inc.

Dated: February 14, 2007		/S/ Xxxxxx X. Xxxxxxx
		Xxxxxx X. Xxxxxxx
		Berkshire Hathaway Inc.
Dated: February 14, 2007		/S/ Xxxxxx X. Xxxxxxx
		By:		Xxxxxx X. Xxxxxxx
		Title:		Chairman of the Board
		OBH, Inc.
Dated: February 14, 2007		/S/ Xxxxxx X. Xxxxxxx
		By:		Xxxxxx X. Xxxxxxx
		Title:		Chairman of the Board
		National Indemnity Company
Dated: February 14, 2007		/S/ Xxxx X. Hamburg
		By:		Xxxx X. Hamburg
		Title:		Chairman of the Board