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 hereby agree that reports on Schedule 13G, and amendments thereto, with respect to the Common Stock of Xxxxx Fargo & Company may be filed in a single statement on behalf of each of such persons, and further, each of such persons designates Xxxxxx X. Xxxxxxx as its agent and Attorney-in-Fact for the purpose of executing any and all Schedule 13G filings required to be made by it with the Securities and Exchange Commission.

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
				National Fire & Marine Insurance Company
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Chairman of the Board
				Nebraska Furniture Mart, Inc.
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Assistant Secretary

				The Fechheimer Brothers Company
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Assistant Secretary
				Columbia Insurance Company
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Chairman of the Board
				Blue Chip Stamps
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Assistant Secretary
				Wesco Holdings Midwest, Inc.
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Assistant Secretary
				Wesco Financial Corporation
Dated: February 14, 2007				/S/ Xxxxxxx X. Xxxxxxxx
				By: Xxxxxxx X. Xxxxxxxx
				Title: Vice President
				Wesco-Financial Insurance Co.
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Chairman of the Board
				Precision Steel Warehouse, Inc.
Dated: February 14, 2007				/S/ Xxxxxxx Xxxxxxxx
				By: Xxxxxxx Xxxxxxxx
				Title: Treasurer

				National Liability & Fire Insurance Company
Dated: February 14, 2007				/S/ Xxxxxxx X. Xxxxxxx
				By: Xxxxxxx X. Xxxxxxx
				Title: Secretary
				Cypress Insurance Company
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Assistant Secretary
				National Indemnity Company of the South
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Chairman of the Board
				Redwood Fire and Casualty Insurance Company
Dated: February 14, 2007				/S/ Xxxx X. Hamburg
				By: Xxxx X. Hamburg
				Title: Assistant Secretary
				GEICO Corporation
Dated: February 14, 2007				/S/ Xxxxxxx X. Xxxxxxxx
				By: Xxxxxxx X. Xxxxxxxx
				Title: Vice President
				Government Employees Insurance Company
Dated: February 14, 2007				/S/ Xxxxxxx X. Xxxxxxxx
				By: Xxxxxxx X. Xxxxxxxx
				Title: Vice President

				General Re Corporation
Dated: February 14, 2007				/S/ Xxxxxxx Xxxxxxxx
				By: Xxxxxxx Xxxxxxxx
				Title: Vice President
				General Reinsurance Corporation
Dated: February 14, 2007				/S/ Xxxxxxx Xxxxxxxx
				By: Xxxxxxx Xxxxxxxx
				Title: Vice President
				U.S. Investment Corporation
Dated: February 14, 2007				/S/ Xxxxx X. Xxxxxxxx
				By: Xxxxx X. Xxxxxxxx
				Title: Treasurer
				Mount Xxxxxx Fire Insurance Company
Dated: February 14, 2007				/S/ Xxxxx X. Xxxxxxxx
				By: Xxxxx X. Xxxxxxxx
				Title: Treasurer
				U.S. Underwriters Insurance Company
Dated: February 14, 2007				/S/ Xxxxx X. Xxxxxxxx
				By: Xxxxx X. Xxxxxxxx
				Title: Treasurer
				United States Liability Insurance Company
Dated: February 14, 2007				/S/ Xxxxx X. Xxxxxxxx
				By: Xxxxx X. Xxxxxxxx
				Title: Treasurer
				The Medical Protective Company
Dated: February 14, 2007				/S/ Xxxxxx Xxxxxx
				By: Xxxxxx Xxxxxx
				Title: Senior Vice President
				Medical Protective Corporation
Dated: February 14, 2007				/S/ Xxxxxx Xxxxxx
				By: Xxxxxx Xxxxxx
				Title: Senior Vice President

				The Kansas Bankers Surety Company
Dated: February 14, 2007				/S/ Xxxxxxx X. Xxxxx
				By: Xxxxxxx X. Xxxxx
				Title: Senior Vice President
				Central States of Omaha Companies, Inc.
Dated: February 14, 2007				/S/ Xxxx X. Xxxxxxxxxxx
				By: Xxxx X. Xxxxxxxxxxx
				Title: Vice President
				Central States Indemnity Co. of Omaha
Dated: February 14, 2007				/S/ Xxxx X. Xxxxxxxxxxx
				By: Xxxx X. Xxxxxxxxxxx
				Title: Vice President