1 EXHIBIT 11 The Geon Company Earnings Per Share (EPS) (In millions, except per share data) Three Months Ended March 31, ------------------------ 1998 1997 ---------- ---------- BASIC EARNINGS PER COMMON SHARE: Number of Shares: ----------------- Average shares of common stock outstanding 23.3 23.4 Less: Average shares of contingently issuable restricted stock outstanding (0.4) (0.4) ---------- ---------- Total common shares outstanding for basic EPS 22.9 23.0 ========== ========== DILUTED EARNINGS PER COMMON SHARE: Number of Shares: ----------------- Average shares of common stock outstanding 23.3 23.4 Net effect of dilutive stock options - based on treasury stock method using average market price .2 .3 Net effect of unearned restricted stock and other stock-based compensation - (.1) ---------- ---------- Total common and common equivalent shares outstanding for diluted EPS 23.5 23.6 ========== ========== Net income per share of common stock $ .25 $ .10 ========== ========== Basic $ .25 $ .10 ========== ========== Diluted