Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 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 June 30,					For the Six Months Ended June 30,
	2016		2015			2016		2015
	(In thousands, except per share data)
Net income attributable to Amkor	$	4,713	$	7,327		$	3,838	$	33,925
Income allocated to participating securities	—		(16		)	—		(75		)
Net income available to Amkor common stockholders	$	4,713	$	7,311		$	3,838	$	33,850

Weighted average shares outstanding — basic	237,090		236,840			237,058		236,774
Effect of dilutive securities:
Stock options and restricted share awards	344		481			239		592
Weighted average shares outstanding — diluted	237,434		237,321			237,297		237,366
Net income attributable to Amkor per common share:
Basic	$	0.02	$	0.03		$	0.02	$	0.14
Diluted	0.02		0.03			0.02		0.14

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 June 30,		For the Six Months Ended June 30,
	2016	2015	2016	2015
	(In thousands)
Stock options and restricted share awards	2,005	1,718	2,025	1,594