1 Exhibit 12 HECLA MINING COMPANY FIXED CHARGE COVERAGE RATIO CALCULATION For the Three Months Ended March 31, 1998 and 1997 (In thousands, except ratios) Three Months Three Months 1998 1997 ------------ ------------ Income before income taxes $ 2,960 $ 643 Add: Fixed Charges 2,795 3,004 Less: Capitalized Interest (271) (361) -------- -------- Net income before income taxes $ 5,484 $ 3,286 ======== ======== Fixed charges: Preferred stock dividends $ 2,012 $ 2,012 Interest portion of rentals 43 157 Interest expense 740 835 -------- -------- Total fixed charges $ 2,795 $ 3,004 ======== ======== Fixed Charge Ratio 1.96 1.09 Write-downs and other noncash charges: DD&A(a) (mining activity) $ 5,126 $ 4,352 DD&A(a) (corporate) 94 79 Provision for closed operations and environmental matters 59 189 -------- -------- $ 5,279 $ 4,620 ========= ======== (a)"DD&A" is an abbreviation for "depreciation, depletion and amortization."