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<title>Prepared By R.R. Donnelley Financial -- Form 8-K</title>
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<b>UNITED STATES </b></font></div>

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<b>SECURITIES AND EXCHANGE COMMISSION </b></font></div>

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<b>Washington, D.C. 20549 </b></font></div>

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<b>Form 8-K </b></font></div> <div><font Size="1">&nbsp;</font></div>

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<b>Current Report </b></font></div>

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<b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 </b></font></div>

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<b>Date of Report (Date of earliest event reported):&nbsp;&nbsp;04/25/2006 </b></font></div>




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<b>Innospec Inc </b></font></div>

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<b>(Exact name of registrant as specified in its charter)</b></font></div>

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<b>Commission File Number:&nbsp;&nbsp;-</b></font></div>

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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>DE</b></font>
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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>981081725</b></font>
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<b>(State or other jurisdiction of</b></font>
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<div Align="center"><font Face="times New Roman" Size="2" Color="#000000"><b>(IRS Employer</b></font>
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<b>incorporation)</b></font>
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<b>Identification No.)</b></font>
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<b>Innospec Manufacturing Park</div><div Align="center">Oil Sites Road</div><div Align="center">Ellesmere Port</div><div Align="center">Cheshire </div><div Align="center">CH65 4EY</b></font></div>


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<b>(Address of principal executive offices, including zip code)</b></font>
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<b>44 151 350 6937 </b></font>
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<b>(Registrant&#146;s telephone number, including area code)</b></font>
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<b> </b></font>
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<b>(Former name or former address, if changed since last report) </b></font>
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<b>Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:<BR><BR>
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<b>[&nbsp;&nbsp;]&nbsp;&nbsp;
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>

[&nbsp;&nbsp;]&nbsp;&nbsp;
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>


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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR><BR>


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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Information to be included in the report</b>
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<b>Item 2.02.&nbsp;&nbsp;&nbsp;&nbsp;Results of Operations and Financial Condition</b></font>
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The press release dated April 24, 2006 announced Innospec Inc.'s results for the first quarter ended March 31, 2006.  The press release is furnished as Exhibit 99.1 to this report on Form 8-K and is incorporated herein by reference.  <p>The information contained in this Item 2.02, including the attached Exhibit 99.1, is being furnished and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.</font>
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<b>Signature(s) </b></font>
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Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized. </font>
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	Innospec Inc</font>
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	Date: April 25, 2006</font>
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	By:</font>
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	<div Style="margin-left:2%; Text-indent:-2%"><font Face="times New Roman" Size="2" Color="#000000">
	/s/&nbsp;&nbsp;&nbsp;&nbsp;Andrew Hartley</font>
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	Andrew Hartley</font>
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	<div><font Face="times New Roman" Size="2" Color="#000000">Vice President & General Counsel</font>
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<b>Exhibit Index </b></font>
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	<b>Exhibit&nbsp;No.</b></font>
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	<b>Description</b></font>
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	EX-99.1</font>
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	Q1 2006 Financial Results</font>
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Prepared By R.R. Donnelley Financial -- Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 8-K
Current Report
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):  04/25/2006
Innospec Inc
(Exact name of registrant as specified in its charter)
Commission File Number:  -
DE
981081725
(State or other jurisdiction of
(IRS Employer
incorporation)
Identification No.)
Innospec Manufacturing Park
Oil Sites Road
Ellesmere Port
Cheshire
CH65 4EY
(Address of principal executive offices, including zip code)
44 151 350 6937
(Registrant's telephone number, including area code)
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
[  ]  
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[  ]  
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[  ]  
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[  ]  
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Information to be included in the report
Item 2.02.    Results of Operations and Financial Condition
The press release dated April 24, 2006 announced Innospec Inc.'s results for the first quarter ended March 31, 2006.  The press release is furnished as Exhibit 99.1 to this report on Form 8-K and is incorporated herein by reference.
The information contained in this Item 2.02, including the attached Exhibit 99.1, is being furnished and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
Signature(s)
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.
Innospec Inc
Date: April 25, 2006
By:
/s/    Andrew Hartley
Andrew Hartley
Vice President & General Counsel
Exhibit Index
Exhibit No.
Description
EX-99.1
Q1 2006 Financial Results