Exhibit 10.4 INDEMNIFICATION AGREEMENT DIRECTORS AND OFFICERS THIS AGREEMENT made and entered into this 14th day of December 2004, by and between HECLA MINING COMPANY, a Delaware corporation (the "Corporation"), and ARTHUR BROWN (the "Indemnitee")....Indemnification Agreement Directors and Officers • March 16th, 2005 • Hecla Mining Co/De/ • Mining & quarrying of nonmetallic minerals (no fuels) • Delaware
