INNOSPEC INC. — Director's Dealing 2013

Feb 21, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2013-02-21

Reporting Person: Cleminson Ian (Exec VP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-02-19	Common Stock	M	10000	$0.00	Acquired	29789	Direct
2013-02-19	Common Stock	F	5200	$40.99	Disposed	24589	Direct
2013-02-19	Common Stock	S	12291	$41.29	Disposed	24589	Direct
2013-02-19	Common Stock	S	3213	$41.29	Disposed	24589	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-02-19	Stock Option (PRSOP)	$0.00	M	10000	Disposed	2019-09-01	Common Stock (10000)	Direct
2013-02-19	Stock Option (PRSOP)	$0.00	M	12291	Disposed	2020-02-17	Common Stock (12291)	Direct
2013-02-19	Stock Option (CSOP B)	$10.38	M	3213	Disposed	2020-02-17	Common Stock (3213)	Direct

Footnotes

F1: Shares of Common Stock withheld to pay tax liability.

F2: The shares of Common Stock sold by the Reporting Person and reported herein were sold at a range of between $41.10 and $41.48 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent.

F3: The shares of Common Stock sold by the Reporting Person and reported herein were sold at a range of between $41.10 and $41.48 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent.

F4: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F5: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F6: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.