Earnings Per Share Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Computation of basic and diluted earnings per share

The following table summarizes the computation of basic and diluted EPS:



	For the Three Months Ended March 31,
	2015			2014
	(In thousands, except per share data)
Net income attributable to Amkor	$	28,781		$	20,633
Income allocated to participating securities	(68		)	(105		)
Net income available to Amkor common stockholders — basic	28,713			20,528
Adjustment for dilutive securities on net income:
Net income reallocated to participating securities	—			3
Interest on 6.0% convertible notes due 2014, net of tax	—			907
Net income attributable to Amkor — diluted	$	28,713		$	21,438

Weighted average shares outstanding — basic	236,708			216,757
Effect of dilutive securities:
Stock options	716			109
6.0% convertible notes due 2014	—			18,631
Weighted average shares outstanding — diluted	237,424			235,497
Net income attributable to Amkor per common share:
Basic	$	0.12		$	0.09
Diluted	0.12			0.09

Antidilutive effect of potential shares of common stock that were excluded from diluted earnings per share

The following table summarizes the potential shares of common stock that were excluded from diluted EPS, because the effect of including these potential shares was antidilutive:



	For the Three Months Ended March 31,
	2015	2014
	(In thousands)
Stock options and restricted share awards	1,400	4,265