STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Exhibit 12.1 Six Months ended June 30, ---------------- 1995 1994 1994 1993 1992 1991 1990 ---- ---- ---- ---- ---- ---- ---- Computation of Earnings: - ----------------------- Pretax income from continuing operations 137.0 144.6 182.7 279.8 254.7 208.8 178.7 Adjustments to income: Add: Distributed income from less than 50% owned companies 3.8 4.8 7.3 7.1 4.6 3.3 0.0 Add: Portion of rent expense representative of interest expense 0.0 0.0 0.0 0.0 .6 2.0 1.6 Add: Interest incurred net of amounts capitalized 73.5 43.7 98.8 89.5 77.4 76.6 59.9 Add: Amortization of interest previously capitalized .6 0.0 .6 0.0 0.0 0.0 0.0 Add: Amortization of debt issue costs and discount or premium on indebtedness .4 .2 .5 .3 0.0 0.0 0.0 ----- ----- ----- ----- ----- ----- ----- Earnings 215.3 193.3 289.9 376.7 337.3 290.7 240.2 ----- ----- ----- ----- ----- ----- ----- Computation of Fixed Charges: - ---------------------------- Interest incurred 76.5 46.9 104.4 89.5 77.4 76.6 59.9 Amortization of debt issue costs and discount or premium on indebtedness .4 .2 .5 .3 0.0 0.0 0.0 Portion of rental expense representative of interest 0.0 0.0 0.0 0.0 .6 2.0 1.6 ----- ----- ----- ----- ----- ----- ----- Fixed Charges 76.9 47.1 104.9 89.8 78.0 78.6 61.5 ----- ----- ----- ----- ----- ----- ----- Ratio of Earnings to Fixed Charges 2.8x 4.1x 2.8x 4.2x 4.3x 3.7x 3.9x - --------------------