Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

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,
	2016			2015
	(In thousands, except per share data)
Net income (loss) attributable to Amkor	$	(875	)	$	28,781
Income allocated to participating securities	—			(68		)
Net income (loss) available to Amkor common stockholders	$	(875	)	$	28,713

Weighted average shares outstanding — basic	237,025			236,708
Effect of dilutive securities:
Stock options and restricted share awards	—			716
Weighted average shares outstanding — diluted	237,025			237,424
Net income (loss) attributable to Amkor per common share:
Basic	$	—		$	0.12
Diluted	—			0.12

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 anti-dilutive:



	For the Three Months Ended March 31,
	2016	2015
	(In thousands)
Stock options and restricted share awards	4,033	1,400