1 Exhibit 12 HECLA MINING COMPANY FIXED CHARGE COVERAGE RATIO CALCULATION For the Six Months Ended June 30, 1998 and 1997 (In thousands, except ratios) Six Months Six Months 1998 1997 ------------ ------------ Income before income taxes $ 5,553 $ 4,333 Add: Fixed Charges 5,857 6,630 Less: Capitalized Interest (588) (477) -------- -------- Net income before income taxes $ 10,822 $ 10,486 ======== ======== Fixed charges: Preferred stock dividends $ 4,025 $ 4,025 Income tax effect on preferred stock dividends 172 857 Interest portion of rentals 55 328 Interest expense 1,605 1,420 -------- -------- Total fixed charges $ 5,857 $ 6,630 ======== ======== Fixed Charge Ratio 1.85 1.60 Write-downs and other noncash charges: DD&A(a) (mining activity) $ 10,174 $ 9,403 DD&A(a) (corporate) 193 157 Provision for closed operations and environmental matters 131 148 -------- -------- $ 10,498 $ 9,708 ======== ======== (a)"DD&A" is an abbreviation for "depreciation, depletion and amortization."