Exhibit 11 MASCO CORPORATION AND CONSOLIDATED SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Primary and Fully Diluted Earnings Per Share For the Three Months and Nine Months Ended September 30, 1995 and 1994 (Amounts in thousands except per share data) Three Months Ended Nine Months Ended September 30 September 30 1995 1994 1995 1994 Shares for computation of primary and fully diluted earnings per share: Average number of shares outstanding 159,300 158,600 159,300 158,600 Common stock equivalents: Shares issuable assuming conversion of debentures 4,200 4,200 4,200 4,200 Stock options 700 900 700 900 164,200 163,700 164,200 163,700 Net income, adjusted to basis of earnings per share: Net income $67,100 $72,100 $204,900 $207,500 Add interest on convertible debentures, net of tax 1,500 1,500 4,400 4,400 $68,600 $73,600 $209,300 $211,900 Primary and fully diluted earnings per share $.42 $.45 $1.29 $1.31 Earnings per share as reported $.42 $.45 $1.29 $1.31 This calculation is submitted in accordance with Regulation S-K Item 601(b)(11), although not required by APB Opinion No. 15, inasmuch as dilution for any period was less than 3 percent.