1 Exhibit 12 HECLA MINING COMPANY FIXED CHARGE COVERAGE RATIO CALCULATION For the Nine Months Ended September 30, 1999 and 1998 (In thousands, except ratios) Nine Months Nine Months 1999 1998 ----------- ----------- Income (loss) before income taxes and cumulative effect of change in accounting principle $(31,542) $ 4,906 Add: Fixed Charges 9,469 9,061 Less: Capitalized Interest (19) (950) -------- -------- Adjusted income (loss) before income taxes and cumulative effect of change in accounting principle $(22,092) $ 13,017 ======== ======== Fixed charges: Preferred stock dividends $ 6,038 $ 6,038 Income tax effect on preferred stock dividends - - 285 Interest portion of rentals 315 331 Total interest cost 3,116 2,407 -------- -------- Total fixed charges $ 9,469 $ 9,061 ======== ======== Fixed Charge Ratio (a) 1.44 Inadequate coverage $ 31,561 $ - - ======== ======== Write-downs and other noncash charges: DD&A(b) (mining activity) $ 17,348 $ 15,852 DD&A(b) (corporate) 248 293 Provision for closed operations and environmental matters 28,533 463 Reduction in carrying value of mining properties 4,077 - - -------- -------- $ 50,206 $ 16,608 ======== ======== (a) Earnings for period inadequate to cover fixed charges. (b) "DD&A" is an abbreviation for "depreciation, depletion and amortization."