<SEC-DOCUMENT>0001193125-18-091331-index.html : 20180322
<SEC-HEADER>0001193125-18-091331.hdr.sgml : 20180322
<ACCEPTANCE-DATETIME>20180322071033
ACCESSION NUMBER:		0001193125-18-091331
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20180322
DATE AS OF CHANGE:		20180322
EFFECTIVENESS DATE:		20180322

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INNOSPEC INC.
		CENTRAL INDEX KEY:			0001054905
		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
		IRS NUMBER:				981081725
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13879
		FILM NUMBER:		18705690

	BUSINESS ADDRESS:	
		STREET 1:		8310 SOUTH VALLEY HIGHWAY
		STREET 2:		SUITE 350
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		303-566-0528

	MAIL ADDRESS:	
		STREET 1:		8310 SOUTH VALLEY HIGHWAY
		STREET 2:		SUITE 350
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OCTEL CORP
		DATE OF NAME CHANGE:	19980209
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d518116ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d518116ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g518116img1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g518116img1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g518116img2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g518116img2.jpg

</DOCUMENT>
</SEC-DOCUMENT>