Exhibit 12 MASCO CORPORATION AND CONSOLIDATED SUBSIDIARIES Computation of Ratio of Earnings to Fixed Charges (Thousands of Dollars) Six Months Ended June 30, Year Ended December 31, 1995 1994 1993 1992 1991 1990 Earnings Before Income Taxes And Fixed Charges: Income before income taxes $229,700 $322,600 $362,600 $304,800 $ 97,600 $235,900 Deduct/add equity in undistributed (earnings) losses of fifty-percent- or-less-owned companies (8,070) 108,030 (13,800) (13,190) 38,090 10,540 Add interest on indebtedness, net 57,060 103,800 104,080 100,490 124,950 125,770 Add amortization of debt expense 1,080 2,220 2,650 2,710 1,630 1,420 Add one-third of rentals 6,340 11,180 10,970 10,800 12,530 9,610 Earnings before income taxes and fixed charges $286,110 $547,830 $466,500 $405,610 $274,800 $383,240 Fixed charges: Interest on indebtedness $ 58,720 $107,510 $105,420 $113,670 $128,450 $125,770 Amortization of debt expense 1,080 2,220 2,650 2,710 1,630 1,420 One-third of rentals 6,340 11,180 10,970 10,800 12,530 9,610 Fixed charges $ 66,140 $120,910 $119,040 $127,180 $142,610 $136,800 Ratio of earnings to fixed charges 4.3 4.5 3.9 3.2 1.9 2.8