EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DIVIDENDS (in thousands of dollars except ratios) YEAR ENDED DECEMBER 31, ------------------------------------------------------- 1994 1993 1992 1991 1990 ------- ------ ------- ------ ------- (EXPRESSED IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) EARNINGS COMPUTATION USING CONSOLIDATED INCOME STATEMENT DATA Income (loss) before income taxes and minority interest $16,478 $(3,785) $(46,000) $(5,525) $14,056 Minority interest in income of majority-owned subsidiaries (4,978) (4,709) (1,182) - - ------- ------- -------- ------- ------- Income (loss) before income taxes and cumulative effects of accounting changes 11,500 (8,494) (47,182) (5,525) 14,056 ------- ------- -------- ------- ------- Add fixed charges included in income (loss): Interest expense 7,369 8,406 1,375 2,290 774 Amortization of deferred financing costs 204 1,073 269 269 262 Interest portion of rental expenses (33%) 1,744 468 528 429 396 ------- ------- -------- ------- ------- Sub-total fixed charges Included in income (loss) 9,317 9,947 2,172 2,988 1,432 ------- ------- -------- ------- ------- Earnings (loss) $20,817 $ 1,453 $(45,011) $(2,537) $15,488 ------- ------- -------- ------- ------- Fixed Charges Included in income (loss) $ 9,317 $ 9,947 $ 2,172 $ 2,988 $ 1,432 Capitalized interest 6,353 6,655 8,885 6,000 6,015 ------- ------- -------- ------- ------- Total fixed charges 15,670 16,602 11,057 8,988 7,447 ------- ------- -------- ------- ------- Preferred dividends 9,442 7,208 - - - ------- ------- -------- ------- ------- Combined fixed charges and preferred dividends $25,112 $23,810 $ 11,057 $ 8,988 $ 7,447 ------- ------- -------- ------- ------- Ratio of earnings to fixed charges 1.33 - (1) (1) 2.08 Amount by which fixed charges exceed earnings - $15,149 $ 56,067 $11,525 - Ratio of earnings to combined fixed charges and preferred dividends - - (1) (1) 2.08 Amount by which combined fixed charges and preferred dividends exceed earnings $ 4,295 $22,357 $ 56,067 $11,525 - <FN> (1) Earnings were inadequate to cover fixed charges in these periods as a result of asset writedowns and other non-cash charges.