1 Item 14(c) Exhibit #12 Corning Incorporated and Subsidiary Companies Computation of Ratio of Earnings to Fixed Charges: (Dollars in millions, except ratios) Fiscal Year Ended Jan. 2, Jan. 3, Dec. 29, Dec. 30, Dec. 31, 1994 1993 1991 1990 1989 Income before taxes on income $156.7 $336.6 $327.4 $328.1 $253.8 Adjustments: Share of earnings (losses) before taxes of 50% owned companies (137.0) 103.2 165.4 175.9 206.9 Loss before taxes of greater than 50% owned unconsolidated subsidiaries (3.1) (2.1) (2.2) (2.0) (1.3) Distributed income of less than 50% owned companies and share of loss if debt is guaranteed 4.5 (4.3) 6.6 0.9 3.3 Amortization of capitalized interest 13.0 11.8 10.2 8.8 7.2 Fixed charges net of capitalized interest 155.8 130.3 126.4 112.5 91.2 Earnings before taxes and fixed charges as adjusted $189.9 $575.5 $633.8 $624.2 $561.1 Fixed charges $176.6 $150.2 $141.3 $132.7 $111.2 Ratio of earnings to fixed charges 1.1x 3.8x 4.5x 4.7x 5.0x Fixed charges: Interest incurred $ 94.0 $ 68.9 $ 60.4 $ 58.6 $ 53.0 Share of interest incurred of 50% owned companies and interest on guaranteed debt of less than 50% owned companies 40.9 42.0 47.5 45.3 33.9 Interest incurred by greater than 50% owned unconsolidated subsidiaries 0.8 0.9 0.9 1.0 1.2 Portion of rent expense which represents interest factor 29.9 27.6 23.0 19.7 15.8 Share of portion of rent expense which represents interest factor for 50% owned companies 9.1 9.2 9.0 7.6 6.9 Portion of rent expense which represents interest factor for greater than 50% owned unconsolidated subsidiaries 0.1 0.1 0.1 0.1 0.1 Amortization of debt costs 1.8 1.5 0.4 0.4 0.3 Total fixed charges 176.6 150.2 141.3 132.7 111.2 Capitalized interest (20.8) (19.9) (14.9) (20.2) (20.0) Total fixed charges net of capitalized interest $155.8 $130.3 $126.4 $112.5 $91.2