Exhibit 12.1 M.A. Hanna Company Ratio of Earnings to Fixed Charges (in thousands) Six Months Ended June 30 Year Ended December 31 1996 1995 1995 1994 1993 1992 1991 Consolidated pre-tax income from continuing operations $50,896 $54,387 $ 98,821 $ 66,222 $37,654 $27,005 $(16,195) Adjustments Fixed charges - excluding capitalized interest Consolidated interest expense 11,231 14,153 26,278 28,549 32,258 32,509 23,221 Interest portion of rental expense 3,144 2,909 5,942 5,624 5,281 4,729 4,905 Total fixed charges 14,375 17,062 32,220 34,173 37,539 37,238 28,126 Adjusted earnings $65,271 $71,449 $131,041 $100,395 $75,193 $64,243 $11,931 Ratio of earnings to fixed charges 4.54 4.19 4.07 2.94 2.00 1.73 0.42