Earning Per Share (EPS)

12 Months Ended

Dec. 31, 2014

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)	2014	2013	2012
Basic earnings per share—Weighted common shares outstanding	139,311	138,950	137,306
Weighted common shares assumed upon exercise of options and vesting of restricted stock units	751	668	1,106
Diluted earnings per share—Weighted common shares outstanding	140,062	139,618	138,412

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, 2014, 2013 and 2012:

(In thousands)	2014	2013	2012
Shares excluded from calculations of diluted EPS	1,183	1,248	1,431