1 Exhibit 12.1 M.A. Hanna Company Ratio of Earnings to Fixed Charges Six Months Ended June 30 Year Ended December 31 ----------------------------------------------------------------------------------------- 1997 1996 1996 1995 1994 1993 1992 ----------------------------------------------------------------------------------------- Consolidated pretax income from continuing operations 55,745 50,896 102,891 98,821 66,222 37,654 27,005 Adjustments Fixed charges - excluding capitalized interest: Consolidated interest expense 10,531 11,231 20,033 26,278 28,549 32,258 32,509 Interest portion of rental expense 3,001 3,122 6,215 5,942 5,624 5,281 4,729 Total fixed charges 13,532 14,353 26,248 32,220 34,173 37,539 37,238 Adjusted earnings 69,277 65,249 129,139 131,041 100,395 75,193 64,243 Ratio of earnings to fixed charges 5.12 4.55 4.92 4.07 2.94 2.00 1.73