AGREEMENT TO FILE SCHEDULE 13D JOINTLY (as required by Item 7 of Schedule 13D)

Exhibit E

AGREEMENT TO FILE SCHEDULE 13D JOINTLY

(as required by Item 7 of Schedule 13D)

               The undersigned persons hereby agree that reports on Schedule 13D, and any amendments thereto, may be filed in a single statement on behalf of all such persons, and further, each such person designates Xxxx X. Hamburg as its agent and attorney-in-fact for the purpose of executing any and all such reports required to be made by it with the Securities and Exchange Commission.

Dated:     March 14, 0000

XXXXXXXXX XXXXXXXX INC.					OBH, INC.
By:			/s/ XXXX X. HAMBURG		By:		/s/ XXXX X. HAMBURG
			Name: Xxxx X. Hamburg				Name: Xxxx X. Hamburg
			Title:   Vice President				Title:   Vice President
NATIONAL INDEMNITY COMPANY					NATIONAL FIRE AND MARINE INSURANCE COMPANY
By:			/s/ XXXX X. HAMBURG		By:		/s/ XXXX X. HAMBURG
			Name: Xxxx X. Hamburg				Name: Xxxx X. Hamburg
			Title:   Treasurer				Title:   Treasurer
CYPRESS INSURANCE COMPANY					COLUMBIA INSURANCE COMPANY
By:			/s/ XXXXXX XXXXXX		By:			/s/ XXXX X. HAMBURG
			Name: Xxxxxx Xxxxxx					Name: Xxxx X. Hamburg
			Title:   Vice President					Title:   Treasurer
BH COLUMBIA INC.					NATIONAL LIABILITY & FIRE INSURANCE COMPANY
By:			/s/ XXXX X. HAMBURG		By:				/s/ XXXX X. HAMBURG
			Name: Xxxx X. Hamburg						Name: Xxxx X. Hamburg
			Title:   President						Title:   Treasurer
BLUE CHIP STAMPS					WESCO FINANCIAL CORPORATION
By:			/s/ XXXXXXX X. XXXXXXXX		By:				/s/ XXXXXXX X. XXXXXXXX
			Name: Xxxxxxx X. Xxxxxxxx						Name: Xxxxxxx X. Xxxxxxxx
			Title:   Vice President						Title:   Vice President
WESCO HOLDINGS MIDWEST, INC.					WESCO-FINANCIAL INSURANCE COMPANY
By:			/s/ XXXX X. HAMBURG		By:				/s/ XXXX X. HAMBURG
			Name: Xxxx X. Hamburg						Name: Xxxx X. Hamburg
			Title:   Treasurer						Title:   Assistant Secretary
XXXXXX X. XXXXXXX
	/s/ XXXXXX X. XXXXXXX