1 EXHIBIT 12 CABOT CORPORATION AND CONSOLIDATED SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Dollars in thousands) Six Months Ended Years ended September 30 March 31 ---------------------------------------------------- 1995 1994 1993 1992 1991 1990 ---------- ---- ---- ---- ---- ---- Earnings: Pre-tax income from continuing operations $116,060 $118,325 $ 67,900 $116,599 $ 62,362 $ 63,983 Distributed income of affiliated companies 5,906 5,638 5,988 5,766 4,688 3,607 Add fixed charges: Interest on indebtedness 18,908 41,668 44,043 41,714 38,661 41,145 Portion of rents representative of the interest factor 2,674 5,879 4,838 4,933 5,715 5,226 ------- -------- -------- -------- -------- -------- Income as adjusted $143,548 $171,510 $122,769 $169,012 $111,426 $113,961 Fixed charges: Interest on indebtedness $ 18,098 $ 41,668 $ 44,043 $ 41,714 $ 38,661 $ 41,145 Capitalized interest _ _ _ 3,963 8,745 _ Portion of rents representative of the interest factor 2,674 5,879 4,838 4,933 5,715 5,226 ------- -------- -------- -------- -------- -------- Total fixed charges $20,772 $ 47,547 $ 48,881 $ 50,610 $ 53,121 $ 46,371 Ratio of earnings to fixed charges 6.91 3.61 2.51 3.34 2.10 2.46 ======= ======== ======== ======== ======== ========