Exhibit 23
Consent of Independent Registered Public Accounting Firm
Hecla Mining Company Capital Accumulation Plan
Coeur d’ Alene, Idaho
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 33-176364) of Hecla Mining Company of our report dated June 27, 2012, relating to the financial statements and supplemental schedule of the Hecla Mining Company Capital Accumulation Plan which appears in this Form 11-K for the years ended December 31, 2011 and 2010.
/s/ BDO USA, LLP
Spokane, WA
June 27, 2012
F-16