INNOSPEC INC. — Director's Dealing 2010

Mar 5, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2010-03-05

Reporting Person: Williams Patrick (Exec VP & President, Fuel Spec)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-04	Common Stock	M	12080	—	Acquired	48215	Direct
2010-03-05	Common Stock	M	1500	—	Acquired	49715	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-04	Options	$0	M	20000	Disposed	2017-03-02	Common Stock (20000)	Direct
2010-03-05	Options	$0	M	1500	Disposed	2017-03-05	Common Stock (1500)	Direct

Footnotes

F1: Pursuant to Clause 12 of the Rules of the Innospec Inc Performance Related Stock Option Plan, a cash payment is being made to Patrick Williams in lieu of the transfer of the remaining 7920 shaers to enable him to pay US withholding tax obligations in respect of the exercise of options.