Exhibit 12 MASCO CORPORATION AND CONSOLIDATED SUBSIDIARIES Computation of Ratio of Earnings to Fixed Charges (Thousands of Dollars) Nine Months Ended September 30, Year Ended December 31, 1994 1993 1992 1991 1990 1989 Earnings Before Income Taxes And Fixed Charges: Income before income taxes $345,800 $362,600 $304,800 $ 97,600 $235,900 $327,100 Deduct/add equity in undistributed (earnings) losses of fifty-percent- or-less-owned companies (26,850) (18,740) (17,290) 12,640 8,760 (29,060) Add dividends received from fifty-percent-or-less- owned companies 4,800 4,940 4,100 25,450 1,780 1,990 Add interest on indebtedness, net 80,530 104,080 100,490 124,950 125,770 112,830 Add amortization of debt expense 1,670 2,650 2,710 1,630 1,420 1,460 Add one-third of rentals 8,980 10,970 10,800 12,530 9,610 8,830 Earnings before income taxes and fixed charges $414,930 $466,500 $405,610 $274,800 $383,240 $423,150 Fixed charges: Interest on indebtedness $ 80,540 $105,420 $113,670 $128,450 $125,770 $112,830 Amortization of debt expense 1,670 2,650 2,710 1,630 1,420 1,460 One-third of rentals 8,980 10,970 10,800 12,530 9,610 8,830 Fixed charges $ 91,190 $119,040 $127,180 $142,610 $136,800 $123,120 Ratio of earnings to fixed charges 4.6 3.9 3.2 1.9 2.8 3.4