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: BOON PHILIP JOHN (Exec VP, Business Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-18	Common Stock	P	415	$26.8206	Acquired	10596	Direct
2011-02-18	Common Stock	P	1410	$26.8206	Acquired	12006	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 $26.8100 to $26.8300. 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 $26.8100 to $26.8300. 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.