INNOSPEC INC. — Director's Dealing 2013

May 10, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2013-05-10

Reporting Person: Watt Brian (VP, Strategic Planning)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-09	Common Stock	M	442	$27.085	Acquired	14109	Direct
2013-05-09	Common Stock	F	213	$42.2433	Disposed	13896	Direct
2013-05-09	Common Stock	M	536	$4.62	Acquired	14432	Direct
2013-05-09	Common Stock	F	258	$42.2433	Disposed	14174	Direct
2013-05-09	Common Stock	M	2434	$10.38	Acquired	16608	Direct
2013-05-09	Common Stock	F	1173	$42.2433	Disposed	15435	Direct
2013-05-09	Common Stock	M	158	$27.085	Acquired	15593	Direct
2013-05-09	Common Stock	F	76	$42.2433	Disposed	15517	Direct
2013-05-09	Common Stock	M	1731	$4.62	Acquired	17248	Direct
2013-05-09	Common Stock	F	834	$42.2433	Disposed	16414	Direct
2013-05-09	Common Stock	M	10000	$0.00	Acquired	26414	Direct
2013-05-09	Common Stock	F	4821	$42.2433	Disposed	21593	Direct
2013-05-09	Common Stock	M	9311	$0.00	Acquired	30904	Direct
2013-05-09	Common Stock	F	4489	$42.2433	Acquired	26415	Direct
2013-05-09	Common Stock	M	4535	$0.00	Acquired	30950	Direct
2013-05-09	Common Stock	F	2187	$42.2433	Disposed	28763	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-09	Stock Options	$27.085	M	442	Disposed	2017-02-21	Common Stock (442)	Direct
2013-05-09	Stock Options	$4.62	M	536	Disposed	2019-03-24	Common Stock (536)	Direct
2013-05-09	Stock Options	$10.38	M	2434	Disposed	2020-03-17	Common Stock (2434)	Direct
2013-05-09	Stock Options	$27.085	M	158	Disposed	2017-02-21	Common Stock (158)	Direct
2013-05-09	Stock Options	$4.62	M	1731	Disposed	2019-03-24	Common Stock (1731)	Direct
2013-05-09	Stock Options	$0.00	M	10000	Disposed	2019-09-01	Common Stock (10000)	Direct
2013-05-09	Stock Options	$0.00	M	9311	Disposed	2020-03-17	Common Stock (9311)	Direct
2013-05-09	Stock Options	$0.00	M	4535	Disposed	2019-03-24	Common Stock (4535)	Direct

Footnotes

F1: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F2: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F3: Shares of Common Stock withheld to meet tax liability and acquisition price.

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

F5: Shares of Common Stock withheld to meet tax liability and acquisition price.

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

F7: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates

F8: Shares of Common Stock withheld to meet tax liability and acquisition price.

F9: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F10: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F11: Shares of Common Stock withheld to meet tax liability and acquisition price.

F12: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F13: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F14: Shares of Common Stock withheld to meet tax liability and acquisition price.

F15: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F16: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F17: Shares of Common Stock withheld to meet tax liability.

F18: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F19: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F20: Shares of Common Stock withheld to meet tax liability.

F21: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F22: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F23: Shares of Common Stock withheld to meet tax liability.

F24: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F25: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F26: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F27: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F28: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F29: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F30: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F31: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.

F32: Total includes options from other tranches with different exercise prices, vesting dates and expiration dates.