1 EXHIBIT 12 CABOT CORPORATION AND CONSOLIDATED SUBSIDIARIES Statement Re Computation of Ratio of Earnings to Fixed Charges (Dollar amounts in thousands) Years ended September 30 ------------------------------------------------------ 1994 1993 1992 1991 1990 ---- ----- ---- ---- ---- Earnings: Pre-tax income from continuing operations $118,325 $ 67,900 $116,599 $ 62,362 $ 63,983 Distributed income of affiliated companies 5,638 5,988 5,766 4,688 3,607 Add fixed charges: Interest on indebtedness 41,668 44,043 41,714 38,661 41,145 Portion of rents representative of the interest factor 5,879 4,838 4,933 5,715 5,226 ------- ------- ------- ------- -------- Income as adjusted $171,510 $122,769 $169,012 $111,426 $113,961 Fixed Charges: Interest on indebtedness $ 41,668 $ 44,043 $ 41,714 $ 38,661 $ 41,145 Capitalized interest -- -- 3,963 8,745 -- Portion of rents representative of the interest factor 5,879 4,838 4,933 5,715 5,226 ------- ------- ------- ------- -------- Total fixed charges $ 47,547 $ 48,881 $ 50,610 $ 53,121 $ 46,371 Ratio of earnings to fixed charges 3.61 2.51 3.34 2.10 2.46 ======== ======== ======== ======== ========