INNOSPEC INC. — Director's Dealing 2011

Mar 2, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2011-03-02

Reporting Person: HESSNER CATHERINE (Senior VP - Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-01	Common Stock	M	1200	—	Acquired	23352	Direct
2011-03-01	Common Stock	M	986	—	Acquired	24338	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-01	Stock Options	$0	M	1200	Disposed	2018-03-01	Common Stock (1200)	Direct
2011-03-01	Stock Options	$0	M	8049	Disposed	2018-02-20	Common Stock (8049)	Direct

Footnotes

F1: 25% of the 8046 vested = 2013

F2: Pursuant to Clause 12 of the Rules of the Innospec Inc Performance Related Stock Option Plan, a cash payment is being made to Cathy Hessner in lieu of the transfer of the remaining 1027 shares to enable her to pay UK withholding tax obligations in respect of the exercise of options.