1 EXHIBIT 11 CABOT CORPORATION AND CONSOLIDATED SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS For the three month period ended March 31, 1995 (In thousands, except per share amounts) Primary Fully Diluted ------- ------------- Shares of common stock outstanding at January 1, 1995, less treasury stock 38,077 38,077 Plus net weighted shares of treasury stock issued 36 36 Plus common stock equivalents: Effect of convertible preferred stock conversion - 3,086 Effect of equity incentive awards 752 814 ------- ------- Weighted average shares outstanding 38,865 42,013 ======= ======= Income applicable to common shares $45,491 $45,491 Dividends on preferred stock - 889 Preferred stock conversion compensation shortfall - (598) ------- ------- Earnings applicable to common shares $45,491 $45,782 ======= ======= Earnings per common share $ 1.17 $ 1.09 ======= ======= 2 EXHIBIT 11 CABOT CORPORATION AND CONSOLIDATED SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS For the six month period ended March 31, 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 64 64 Plus common stock equivalents: Effect of convertible preferred stock conversion - 3,086 Effect of equity incentive awards 685 814 ------- ------- Weighted average shares outstanding 38,740 41,955 ======= ======= Income applicable to common shares $78,509 $78,509 Dividends on preferred stock - 1,778 Preferred stock conversion compensation shortfall - (1,198) ------- ------- Earnings applicable to common shares $78,509 $79,089 ======= ======= Earnings per common share $ 2.03 $ 1.89 ======= =======