1 Exhibit 12 HARSCO CORPORATION Computation of Ratios of Earnings to Fixed Charges (In Thousands of Dollars) YEARS ENDED DECEMBER 31 ----------------------------------------------------------------------------- 1996 1995 1994 1993 1992 --------- --------- --------- --------- --------- Consolidated Earnings: Pre-tax income from continuing operations (1) $ 195,345 $ 161,231 $ 146,089 $ 137,151 $ 140,576 Add fixed charges computed below 26,181 33,121 37,982 23,879 22,425 Net adjustments for equity companies (9,410) (4,320) (134) (363) (454) Net adjustments for capitalized interest -- -- (274) (172) (134) --------- --------- --------- --------- --------- Consolidated Earnings Available for Fixed Charges $ 212,116 $ 190,032 $ 183,663 $ 160,495 $ 162,413 ========= ========= ========= ========= ========= Consolidated Fixed Charges: Interest expense per financial statements (2) $ 21,483 $ 28,921 $ 34,048 $ 19,974 $ 18,882 Interest expense capitalized 131 134 338 332 355 Portion of rentals (1/3) representing an interest factor 4,567 4,066 3,596 3,573 3,188 Interest expense for equity companies whose debt is guaranteed (3) -- -- -- -- -- --------- --------- --------- --------- --------- Consolidated Fixed Charges $ 26,181 $ 33,121 $ 37,982 $ 23,879 $ 22,425 ========= ========= ========= ========= ========= Consolidated Ratio of Earnings to Fixed Charges 8.10 5.74 4.84 6.72 7.24 ========= ========= ========= ========= ========= (1) 1992 excludes the cumulative effect of change in accounting method for postretirement benefits other than pensions. (2) Includes amortization of debt discount and expense. (3) No fixed charges were associated with debt of less than fifty percent owned companies guaranteed by the Company during the five year period 1992 through 1996.