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, 1996 and 1995 (Amounts in thousands except per share amounts) Three Months Ended March 31 1996 1995 Shares for computation of primary and fully diluted earnings per share: Weighted average number of shares outstanding 160,400 158,400 Common stock equivalents: Shares issuable assuming conversion of debentures 4,200 4,200 Stock options 790 700 Total shares for primary and fully diluted earnings per share computation 165,390 163,300 Income from continuing operations $62,000 $69,920 Add back of debenture interest, net 1,500 1,500 Adjusted earnings from continuing operations 63,500 71,420 Income from operations of discontinued segment --- 4,480 Earnings attributable to common stock $63,500 $75,900 Primary and fully diluted earnings per share: Continuing operations $.38 $.44 Discontinued operations -- .03 Primary and fully diluted earnings per share $.38 $.47 Earnings per share as reported $.39 $.47 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.