Exhibit 11 MASCO CORPORATION AND CONSOLIDATED SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Primary and Fully Diluted Earnings Per Share For the Three Months Ended March 31, 1995 and 1994 (Amounts in thousands except per share amounts) Three Months Ended March 31 1995 1994 Shares for computation of primary and fully diluted earnings per share: Average number of shares outstanding 158,400 156,500 Common stock equivalents: Shares issuable assuming conversion of debentures 4,200 4,200 Stock options 700 1,400 163,300 162,100 Net income, adjusted to basis of earnings per share: Net income $74,400 $65,300 Add interest on convertible debentures, net of tax 1,500 1,500 $75,900 $66,800 Primary and fully diluted earnings per share $.47 $.42 Earnings per share as reported $.47 $.42 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 either period was less than 3 percent.