1 Exhibit 12 HECLA MINING COMPANY FIXED CHARGE COVERAGE RATIO CALCULATION For the Three Months Ended March 31, 2000 and 1999 (In thousands, except ratios) Three Months Three Months 2000 1999 ------------ ------------ Loss before income taxes, extraordinary item and cumulative effect of change in accounting principle $ (6,597) $ (49) Add: Fixed Charges 3,979 3,267 ---------- ---------- Adjusted income (loss) before income taxes, extraordinary item and cumulative effect of change in accounting principle $ (2,618) $ 3,218 ========== ========== Fixed charges: Preferred stock dividends $ 2,012 $ 2,012 Income tax effect on preferred stock dividends 23 - - Interest portion of rentals 276 331 Total interest costs 1,668 924 ---------- ---------- Total fixed charges $ 3,979 $ 3,267 ========== ========== Fixed Charge Ratio (a) (a) Inadequate coverage $ 6,597 $ 49 ========== ========== Write-downs and other noncash charges: DD&A(b) (mining activity) $ 5,820 $ 6,052 DD&A(b) (corporate) 73 92 Provision for closed operations and environmental matters 866 267 ---------- ---------- $ 6,759 $ 6,411 ========== ========== (a) Earnings for period are inadequate to cover fixed charges. (b)"DD&A" is an abbreviation for "depreciation, depletion and amortization."