-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 En/yoUexQMt+Fl3fBK6QCWZd8JTb1wLHH1yKfmdWNkl+7SYeFXtUBTybkk3qqr/o
 nWdwFdi+uXLCPKt+jkpDkw==

<SEC-DOCUMENT>0001047469-07-006197.txt : 20070808
<SEC-HEADER>0001047469-07-006197.hdr.sgml : 20070808
<ACCEPTANCE-DATETIME>20070808155915
ACCESSION NUMBER:		0001047469-07-006197
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20070808
FILED AS OF DATE:		20070808
DATE AS OF CHANGE:		20070808

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CELESTICA INC
		CENTRAL INDEX KEY:			0001030894
		STANDARD INDUSTRIAL CLASSIFICATION:	PRINTED CIRCUIT BOARDS [3672]
		IRS NUMBER:				980185558
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14832
		FILM NUMBER:		071035670

	BUSINESS ADDRESS:	
		STREET 1:		12 CONCORDE PLACE
		STREET 2:		5TH FLOOR
		CITY:			TORONTO
		STATE:			A6
		ZIP:			MC3 3R8
		BUSINESS PHONE:		416-448-5800

	MAIL ADDRESS:	
		STREET 1:		12 CONCORDE PLACE
		STREET 2:		5TH FLOOR
		CITY:			TORONTO
		STATE:			A6
		ZIP:			MC3 3R8
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>a2179281z6-k.htm
<DESCRIPTION>FORM 6-K
<TEXT>
<HTML>
<HEAD>
</HEAD>
<BODY BGCOLOR="#FFFFFF" LINK=BLUE  VLINK=PURPLE>
<BR>
<FONT SIZE=3 ><A HREF="#07ZCQ13901_1">QuickLinks</A></FONT>
<font size=3> -- Click here to rapidly navigate through this document</font>

<P><FONT SIZE=2>
<hr noshade width=100% align=left size=4>
<hr noshade width=100% align=left size=1> </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=5><B>FORM 6-K<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>  </B></FONT><FONT SIZE=2><B>Washington,&nbsp;D.C. 20549  </B></FONT></P>

<BR>
<P ALIGN="CENTER"><FONT SIZE=3><B>Report of Foreign Private Issuer<BR>
Pursuant to Rule&nbsp;13a-16 or&nbsp;15d-16 of<BR>
the Securities Exchange Act of 1934  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>For the month of August&nbsp;2007 </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>001-14832<BR>
(</FONT><FONT SIZE=2><I>Commission File Number</I></FONT><FONT SIZE=2>) </FONT></P>

<HR NOSHADE>
<P ALIGN="CENTER"><BR><FONT SIZE=4><B>CELESTICA&nbsp;INC.<BR>  </B></FONT><FONT SIZE=2>(</FONT><FONT SIZE=2><I>Translation of registrant's name into English</I></FONT><FONT SIZE=2>) </FONT></P>

<HR NOSHADE>
<P ALIGN="CENTER"><BR><FONT SIZE=2><B>12&nbsp;Concorde Place, 5th&nbsp;Floor<BR>
Toronto, Ontario<BR>
Canada M3C&nbsp;3R8<BR>
(416)&nbsp;448-5800<BR>
(</B></FONT><FONT SIZE=2><I>Address of principal executive offices</I></FONT><FONT SIZE=2>) </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether the registrant files or will file annual reports under cover of Form&nbsp;20-F or Form&nbsp;40-F: </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>Form&nbsp;20-F
<FONT FACE="WINGDINGS">&#253;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Form&nbsp;40-F <FONT
FACE="WINGDINGS">&#111;</FONT> </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate by check mark whether the registrant is submitting the Form&nbsp;6-K in paper as permitted by
Regulation&nbsp;S-T&nbsp;Rule&nbsp;101(b)(1):&nbsp;<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether the registrant is submitting the Form&nbsp;6-K in paper as permitted by
Regulation&nbsp;S-T&nbsp;Rule&nbsp;101(b)(7):&nbsp;<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> </FONT></P>


<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether by furnishing the information contained in this Form, is the registrant also thereby furnishing the information to the Commission pursuant to
Rule&nbsp;12g3-2(b) under the Securities Exchange Act of&nbsp;1934. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>Yes
<FONT FACE="WINGDINGS">&#111;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;No <FONT
FACE="WINGDINGS">&#253;</FONT> </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If "Yes" is marked, indicate below the file number assigned to the registrant in connection with
Rule&nbsp;12g3-2(b):&nbsp;82-<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> </FONT></P>

<P><FONT SIZE=2><hr
noshade width=100% align=left size=1>
<hr noshade width=100% align=left size=4> </FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=1,EFW="2179281",CP="CELESTICA",DN="1",CHK=411405,FOLIO='blank',FILE='DISK125:[07ZCQ1.07ZCQ13901]BE13901A.;4',USER='STOTHA',CD=';8-AUG-2007;12:36' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<P ALIGN="CENTER"><FONT SIZE=2><B>Celestica&nbsp;Inc.<BR>
Form&nbsp;6-K<BR>
Month of August&nbsp;2007  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following information filed with this Form&nbsp;6-K is incorporated by reference in Celestica's registration statements, the prospectuses
included therein, and any registration statement subsequently filed by Celestica with the Securities and Exchange Commission: </FONT></P>

<UL>
<DL compact>
<DT style='margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD><FONT SIZE=2>Press
Release, dated August&nbsp;8, 2007, the text of which is attached hereto as Exhibit&nbsp;99.1. </FONT></DD></DL>
</UL>

<P><FONT SIZE=2><U>Exhibits</U> </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="91%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD COLSPAN=3><FONT SIZE=2> 99.1 &#151; Press Release, dated August&nbsp;8, 2007</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=2,EFW="2179281",CP="CELESTICA",DN="1",CHK=306631,FOLIO='blank',FILE='DISK125:[07ZCQ1.07ZCQ13901]DE13901A.;6',USER='STOTHA',CD=';8-AUG-2007;12:40' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<!-- TOC_END -->
<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="jc13901_signatures"> </A>
<A NAME="toc_jc13901_1"> </A>
<BR></FONT><FONT SIZE=2><B>SIGNATURES    <BR>    </B></FONT></P>

<P><FONT SIZE=2>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, thereunto duly authorized. </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="40%"><BR><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD COLSPAN=2><FONT SIZE=2><BR>
CELESTICA&nbsp;INC.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="40%"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="54%"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="40%"><BR><FONT SIZE=2> Date: August&nbsp;8, 2007</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2><BR>
By:</FONT></TD>
<TD WIDTH="54%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>ELIZABETH L. DELBIANCO</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="40%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="54%"><FONT SIZE=2>Elizabeth L. DelBianco<BR>
Chief Legal Officer</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=3,EFW="2179281",CP="CELESTICA",DN="1",CHK=73964,FOLIO='blank',FILE='DISK125:[07ZCQ1.07ZCQ13901]JC13901A.;7',USER='STOTHA',CD=';8-AUG-2007;12:40' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->

<!-- TOC_END -->
<!-- TOC_END -->
<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="je13901_exhibit_index"> </A>
<A NAME="toc_je13901_1"> </A>
<BR></FONT><FONT SIZE=2><B>EXHIBIT INDEX    <BR>    </B></FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD COLSPAN=3><FONT SIZE=2> 99.1 &#151; Press Release, dated August&nbsp;8, 2007</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=4,EFW="2179281",CP="CELESTICA",DN="1",CHK=398866,FOLIO='blank',FILE='DISK125:[07ZCQ1.07ZCQ13901]JE13901A.;3',USER='JDAY',CD=';8-AUG-2007;14:21' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<BR>
<P><br><A NAME="07ZCQ13901_1">QuickLinks</A><br></P><!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_jc13901_1">SIGNATURES</A></FONT><BR>
<!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_je13901_1">EXHIBIT INDEX</A></FONT><BR>
<!-- SEQ=,FILE='QUICKLINK',USER=JDAY,SEQ=,EFW="2179281",CP="CELESTICA",DN="1" -->
<!-- TOCEXISTFLAG -->
</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a2179281zex-99_1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<HTML>
<HEAD>
</HEAD>
<BODY BGCOLOR="#FFFFFF" LINK=BLUE  VLINK=PURPLE>
<BR>
<FONT SIZE=3 ><A HREF="#07ZCQ13901_2">QuickLinks</A></FONT>
<font size=3> -- Click here to rapidly navigate through this document</font>
<!-- TOC_END -->
<P ALIGN="RIGHT"><FONT SIZE=2><A
NAME="ka13901_exhibit_99.1"> </A>
<A NAME="toc_ka13901_1"> </A>
<BR></FONT><FONT SIZE=2><B>Exhibit 99.1    <BR>    </B></FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="49%"><FONT SIZE=2><B>For Immediate Release</B></FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="49%" ALIGN="RIGHT"><FONT SIZE=2><B>Wednesday, August&nbsp;8th,&nbsp;2007</B></FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<P ALIGN="CENTER"><FONT SIZE=2><B>Craig Muhlhauser Appointed to Celestica's Board of Directors  </B></FONT></P>

<P><FONT SIZE=2>TORONTO,
Ontario&nbsp;&#151;&nbsp;Celestica&nbsp;Inc. (NYSE, TSX: CLS), a global provider of innovative electronics manufacturing services (EMS), today announced that Craig
Muhlhauser, President and Chief Executive Officer, has been appointed to the company's Board of Directors, effective immediately. </FONT></P>

<P><FONT SIZE=2>Mr.&nbsp;Muhlhauser
has served as Celestica's President and Chief Executive Officer since November&nbsp;2006. Prior to that, he was the company's President and Executive Vice President of
Worldwide Sales and Business Development. Throughout his career, Mr.&nbsp;Muhlhauser has worked in a range of industries spanning the consumer, industrial, communications, automotive and aerospace
and defense sectors. </FONT></P>

<P><FONT SIZE=2><B>About Celestica  </B></FONT></P>

<P><FONT SIZE=2>Celestica
is dedicated to providing innovative electronics manufacturing services that accelerate our customers' success. Through our efficient global manufacturing and supply chain network in Asia,
Europe and the Americas, we deliver competitive advantage to companies in the computing, communications, consumer, industrial, and aerospace and defense sectors. Our 42,000&nbsp;employees share a
proud history of proven expertise and creativity that provides our customers with the flexibility to overcome any&nbsp;challenge. </FONT></P>

<P><FONT SIZE=2>For
further information on Celestica, visit its website at <U>http://www.celestica.com</U>. The company's security filings can also be accessed at
<U>http://www.sedar.com</U> and <U>http://www.sec.gov</U>. </FONT></P>

<P><FONT SIZE=2><I>Celestica Safe Harbour and Fair Disclosure Statement  </I></FONT></P>

<P><FONT SIZE=1><I>This news release contains forward-looking statements related to our future growth, trends in our industry, our financial and or
operational results, and our financial or operational performance. Such forward-looking statements are predictive in nature, and may be based on current expectations, forecasts or assumptions
involving risks and uncertainties that could cause actual outcomes and results to differ materially from the forward-looking statements themselves. Such forward-looking statements may, without
limitation, be preceded by, followed by, or include words such as "believes," "expects," "anticipates," "estimates," "intends," "plans," or similar expressions, or may employ such future or
conditional verbs as "may", "will", "should," or "would," or may otherwise be indicated as forward-looking statements by grammatical construction, phrasing or context. The risks and uncertainties
referred to above include, but are not limited to: variability of operating results among periods; inability to retain or grow our business due to execution problems resulting from significant
headcount reductions, plant closures and product transfer associated with major restructuring activities; the effects of price competition and other business and competitive factors generally
affecting the EMS industry; the challenges of effectively managing our operations during uncertain economic conditions; our dependence on a limited number of customers; our dependence on industries
affected by rapid technological change; the challenge of responding to lower-than-expected customer demand; our ability to successfully manage our international operations; and
delays in the delivery and/or general availability of various components used in the manufacturing process. These and other risks and uncertainties and factors are discussed in the Company's various
public filings at www.sedar.com and www.sec.gov, including our Form&nbsp;20-F and&nbsp;subsequent reports on Form&nbsp;6-K filed with the Securities and Exchange
Commission.</I></FONT></P>

<P><FONT SIZE=1><I>We disclaim any intention or obligation to update or revise any forward-looking statements,
whether as a result of new information, future events or&nbsp;otherwise.</I></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>-30- </FONT></P>

<P ALIGN="RIGHT"><FONT SIZE=2>More...
</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=1,EFW="2179281",CP="CELESTICA",DN="2",CHK=614545,FOLIO='blank',FILE='DISK125:[07ZCQ1.07ZCQ13901]KA13901A.;4',USER='STOTHA',CD=';8-AUG-2007;12:18' -->
<A NAME="page_ka13901_1_2"> </A>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="65%"><FONT SIZE=2><B>Investor Relations Contact</B></FONT><FONT SIZE=2><BR>
Paul Carpino<BR>
<U>clsir@celestica.com</U><BR>
416-448-2211</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="33%"><FONT SIZE=2><B>Media Contact</B></FONT><FONT SIZE=2><BR>
Laurie Flanagan<BR>
<U>media@celestica.com</U><BR>
416-448-2200<BR></FONT>
</TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<P ALIGN="CENTER"><FONT SIZE=2>2</FONT></P>

<HR NOSHADE>
<P style='page-break-before:always'></p>
<!-- ZEQ.=2,SEQ=2,EFW="2179281",CP="CELESTICA",DN="2",CHK=333086,FOLIO='2',FILE='DISK125:[07ZCQ1.07ZCQ13901]KA13901A.;4',USER='STOTHA',CD=';8-AUG-2007;12:18' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<BR>
<P><br><A NAME="07ZCQ13901_2">QuickLinks</A><br></P><!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_ka13901_1">Exhibit 99.1</A></FONT><BR>
<!-- SEQ=,FILE='QUICKLINK',USER=JDAY,SEQ=,EFW="2179281",CP="CELESTICA",DN="2" -->
<!-- TOCEXISTFLAG -->
</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
