1 Exhibit 12 HECLA MINING COMPANY FIXED CHARGE COVERAGE RATIO CALCULATION For the Nine Months Ended September 30, 1997 and 1998 (In thousands, except ratios) Nine Months Nine Months 1997 1998 ----------- ----------- Income before income taxes $ 5,893 $ 4,906 Add: Fixed Charges 10,327 8,794 Less: Capitalized Interest (609) (950) --------- --------- Income before income taxes $ 15,611 $ 12,750 ========= ========= Fixed charges: Preferred stock dividends $ 6,038 $ 6,038 Income tax effect on preferred stock dividends 1,857 285 Interest portion of rentals 502 64 Interest expense 1,930 2,407 --------- --------- Total fixed charges $ 10,327 $ 8,794 ========= ========= Fixed Charge Ratio 1.51 1.45 Inadequate coverage - - - - ========= ========= Write-downs and other noncash charges: Depreciation, depletion and amortization (mining activity) 15,137 15,852 Depreciation, depletion and amortization (corporate) 233 293 Provision for closed operations 239 463 Reduction in carrying value of mining properties - - - - --------- --------- $ 15,609 $ 16,608 ========= =========