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Stock-Based Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2016

Additional Exceptional Long-Term Incentive Plan [Member]

Summary of Fair Value of Balance Sheet Dates

The fair values at each of the balance sheet dates are summarized as follows:

(in millions)		2016				2015
Balance at January 1		$	1.0			$	0.1
Compensation charge for the period			0.6				0.4
Balance at September 30		$	1.6			$	0.5

Assumptions Used in the Monte Carlo Model

The following assumptions were used in the Monte Carlo model at September 30:

		2016				2015
Dividend yield			1.05	%			1.25	%
Volatility of Innospec’s share price			25.55	%			24.47	%
Risk free interest rate			0.88	%			0.92	%

Stock Options Plan [Member]

Summary of Transactions of Company's Stock Option Plans

The following table summarizes the transactions of the Company’s stock option plans for the nine months ended September 30, 2016:

		Number of Options				Weighted Average Exercise Price				Weighted Average Grant-Date Fair Value
Outstanding at December 31, 2015			667,439			$	19.87			$	20.19
Granted - at discount			67,546			$	0.00			$	38.13
- at market value			24,794			$	44.34			$	9.17
Exercised			(58,125	)		$	5.42			$	28.50
Forfeited			(24,273	)		$	21.15			$	21.12
Outstanding at September 30, 2016			677,381			$	19.97			$	20.83

Stock Equivalent Units [Member]

Summarizes Transactions of SEUs

The following table summarizes the transactions of the Company’s SEUs for the nine months ended September 30, 2016:

		Number of SEUs				Weighted Average Exercise Price				Weighted Average Grant-Date Fair Value
Outstanding at December 31, 2015			279,750			$	3.79			$	31.72
Granted - at discount			70,153			$	0.00			$	36.56
- at market value			7,316			$	44.18			$	9.11
Exercised			(49,623	)		$	1.74			$	27.79
Forfeited			(8,980	)		$	4.41			$	30.73
Outstanding at September 30, 2016			298,616			$	4.21			$	32.99

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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