Information regarding these market condition based stock options outstanding at December 31, 2016 and 2015 is summarized below:



	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value (In millions)
December 31, 2014
Options outstanding	50,000	$	11.94	6.15	$	—
Options vested and expected to vest using estimated forfeiture rates	45,430	11.94		6.15	—
Options exercisable	—	—		0.0	—
December 31, 2015
Options outstanding	200,000	$	9.05	5.92	$	0.5
Options vested and expected to vest using estimated forfeiture rates	184,125	9.12		5.90	0.5
Options exercisable	—	—		0.0	—
December 31, 2016
Options outstanding	225,000	$	8.39	5.50	$	0.5
Options vested and expected to vest using estimated forfeiture rates	209,141	8.38		5.49	0.5
Options exercisable	65,625	8.09		5.17	0.2

Information regarding standard stock options outstanding at December 31, 2016, 2015, and 2014 is summarized below:



	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value (In millions)
December 31, 2014
Options outstanding	3,486,157	$	8.30	4.85	$	6.6
Options vested and expected to vest using estimated forfeiture rates	3,319,308	8.21		4.80	6.6
Options exercisable	2,023,024	7.18		4.26	6.0
December 31, 2015
Options outstanding	3,596,533	$	8.45	4.23	$	12.5
Options vested and expected to vest using estimated forfeiture rates	3,452,487	8.36		4.16	12.3
Options exercisable	2,252,744	7.59		3.56	9.9
December 31, 2016
Options outstanding	3,421,121	$	8.44	3.99	$	9.0
Options vested and expected to vest using estimated forfeiture rates	3,223,919	8.43		3.87	8.5
Options exercisable	2,131,268	8.22		3.10	6.4

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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