1 EXHIBIT 11 CABOT CORPORATION AND CONSOLIDATED SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS For the three month period ended June 30, 1995 (In thousands, except per share amounts) Primary Fully Diluted ------- ------------ Shares of common stock outstanding at April 1, 1995, less treasury stock 38,139 38,139 Plus net weighted shares of treasury stock purchased (34) (34) Plus common stock equivalents: Effect of convertible preferred stock conversion - 3,079 Effect of equity incentive awards 885 1,004 --------- --------- Weighted average shares outstanding 38,990 42,188 ========= ========= Income applicable to common shares $ 46,139 $ 46,139 Dividends on preferred stock - 886 Preferred stock conversion compensation shortfall - (599) --------- --------- Earnings applicable to common shares $ 46,139 $ 46,426 ========= ========= Earnings per common share $ 1.18 $ 1.10 ========= ========= 2 EXHIBIT 11 CABOT CORPORATION AND CONSOLIDATED SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS For the nine month period ended June 30, 1995 (In thousands, except per share amounts) Primary Fully Diluted ------- ------------- Shares of common stock outstanding at October 1, 1994, less treasury stock 37,991 37,991 Plus net weighted shares of treasury stock issued 81 81 Plus common stock equivalents: Effect of convertible preferred stock conversion - 3,079 Effect of equity incentive awards 767 1,004 ---------- ---------- Weighted average shares outstanding 38,839 42,155 ========== ========== Income applicable to common shares $ 124,647 $ 124,647 Dividends on preferred stock - 2,665 Preferred stock conversion compensation shortfall - (1,796) ---------- ---------- Earnings applicable to common shares $ 124,647 $ 125,516 ========== ========== Earnings per common share $ 3.21 $ 2.98 ========== ==========