Earning Per Share (EPS)

12 Months Ended

Dec. 31, 2013

Earning Per Share (EPS)

EARNINGS PER SHARE (EPS)

Basic EPS is computed by dividing net income attributable to Entegris, Inc. by the weighted average number of shares of common stock outstanding during each period. The following table presents a reconciliation of the share amounts used in the computation of basic and diluted earnings per share:

(In thousands)	2013	2012	2011
Basic earnings per share—Weighted common shares outstanding	138,950	137,306	134,685
Weighted common shares assumed upon exercise of options and vesting of restricted stock units	668	1,106	1,538
Diluted earnings per share—Weighted common shares outstanding	139,618	138,412	136,223

The Company excluded the following shares underlying stock-based awards from the calculations of diluted EPS because their inclusion would have been anti-dilutive for the years ended December 31, 2013, 2012 and 2011:

(In thousands)	2013	2012	2011
Shares excluded from calculations of diluted EPS	1,248	1,431	1,471