Mines Management Stock Information

Markets:
	American Stock Exchange -	Common:	MGN
	Toronto Stock Exchange -	Common:	MGT
		Warrants:	MGT.WT
		Currency Quoted:	US Dollars
		Exercise Price:	US $5.75
		Expiration:	April 20, 2012
Share Structure (as of December 31, 2011):
		Shares Outstanding:	28,739,110
		Warrants:	5,524,048
		Options:	3,601,000
		Fully Diluted:	37,864,158
Transfer Agent & Registrar:
(Change of address, stock ownership transfers, lost certificate recovery, etc.)
		Telephone:	(800) 962-4284 (both U.S. & Canada)

		U.S. Transfer Agent:	Computershare Trust Company
			PO Box 1596
			Denver, Colorado 80201

		Canadian Transfer Agent:	Computershare Investor Services, Inc.
			100 University Avenue, 9th Floor
			Toronto, Ontario M5J 2Y1, Canada

* NOTE: ALL INFORMATION ON THIS PAGE IS SUBJECT TO CHANGE WITHOUT NOTICE.