INNOSPEC INC. — Director's Dealing 2011

Feb 23, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2011-02-23

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-18	Common Stock	P	4780	$27.3550	Acquired	54695	Direct
2011-02-18	Common Stock	P	2465	$27.3550	Acquired	57160	Direct

Footnotes

F1: Co-Investment

F2: This price represents the average purchase prices for multiple transactions reported on this line. The prices of the transactions ranged from $26.9500 to $27.5500. Upon request by the SEC, the Issuer, or a security holder of the Issuer, the Reporting Person will undertake to provide full information regarding the number of shares and prices at which the transactions were affected.

F3: Special Bonus

F4: This price represents the average purchase prices for multiple transactions reported on this line. The prices of the transactions ranged from $26.500 to $27.5500. Upon request by the SEC, the Issuer, or a security holder of the Issuer, the Reporting Person will undertake to provide full information regarding the number of shares and prices at which the transactions were affected.