INNOSPEC INC. — Director's Dealing 2012

May 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2012-05-14

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-11	Common Stock	M	4577	$31.10	Acquired	33237	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-11	Stock Options	$0	M	9536	Disposed	2019-03-24	Common Stock (9536)	Direct

Footnotes

F1: Pursuant to Class 11 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 4959 share to enable him to pay UK withholding tax obligations in respect of the exercise of the options.