<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>5
<FILENAME>a2108555zex-99_3.txt
<DESCRIPTION>EXHIBIT 99.3
<TEXT>
<Page>

Exhibit 99.3

<Page>

FOR IMMEDIATE RELEASE                                    Tuesday, April 15, 2003

          CELESTICA TO INCREASE NORMAL COURSE ISSUER BID FOR UP TO 10%
                          OF SUBORDINATE VOTING SHARES

TORONTO, Canada - Celestica Inc. (NYSE, TSX: CLS), a world leader in electronics
manufacturing services (EMS), today announced that it has amended the terms of
its normal course issuer bid through the facilities of The Toronto Stock
Exchange, commenced August 1, 2002, to increase the number of subordinate voting
shares that may be purchased from approximately 9.6 million to 18,633,347.

The increase is from 5% of the outstanding subordinate voting shares to 10% of
the public float of the subordinate voting shares. To date, Celestica has
purchased 8.75 million subordinate voting shares.

ABOUT CELESTICA
Celestica is a world leader in the delivery of innovative electronics
manufacturing services (EMS). Celestica operates a highly sophisticated global
manufacturing network with operations in Asia, Europe and the Americas,
providing a broad range of services to leading OEMs (original equipment
manufacturers). A recognized leader in quality, technology and supply chain
management, Celestica provides competitive advantage to its customers by
improving time-to-market, scalability and manufacturing efficiency.

For further information on Celestica, visit its website at www.celestica.com.
The company's security filings can also be accessed at www.sedar.com and
www.sec.gov.

SAFE HARBOUR AND FAIR DISCLOSURE STATEMENT
THIS NEWS RELEASE CONTAINS FORWARD-LOOKING STATEMENTS RELATED TO OUR FUTURE
GROWTH, TRENDS IN OUR INDUSTRY AND OUR FINANCIAL AND OPERATIONAL RESULTS AND
PERFORMANCE THAT ARE BASED ON CURRENT EXPECTATIONS, FORECASTS AND ASSUMPTIONS
INVOLVING RISKS AND UNCERTAINTIES THAT COULD CAUSE ACTUAL OUTCOMES AND RESULTS
TO DIFFER MATERIALLY. THESE RISKS AND UNCERTAINTIES INCLUDE, BUT ARE NOT LIMITED
TO: THE CHALLENGES OF EFFECTIVELY MANAGING OUR OPERATIONS DURING UNCERTAIN
ECONOMIC CONDITIONS; THE CHALLENGE OF RESPONDING TO LOWER-THAN-EXPECTED CUSTOMER
DEMAND; THE EFFECTS OF PRICE COMPETITION AND OTHER BUSINESS AND COMPETITIVE
FACTORS GENERALLY AFFECTING THE EMS INDUSTRY; OUR DEPENDENCE ON THE INFORMATION
TECHNOLOGY AND COMMUNICATIONS INDUSTRIES; OUR DEPENDENCE ON A LIMITED NUMBER OF
CUSTOMERS AND ON INDUSTRIES AFFECTED BY RAPID TECHNOLOGICAL CHANGE; COMPONENT
CONSTRAINTS; VARIABILITY OF OPERATING RESULTS AMONG PERIODS; AND THE ABILITY TO
MANAGE OUR RESTRUCTURING AND THE SHIFT OF PRODUCTION TO LOWER COST GEOGRAPHIES.
THESE AND OTHER RISKS AND UNCERTAINTIES AND FACTORS ARE DISCUSSED IN THE
COMPANY'S VARIOUS PUBLIC FILINGS AT www.sedar.com AND http://www.sec.gov,
INCLUDING OUR ANNUAL REPORT ON FORM 20-F AND SUBSEQUENT REPORTS ON FORM 6-K
FILED WITH THE SECURITIES AND EXCHANGE COMMISSION.

WE DISCLAIM ANY INTENTION OR OBLIGATION TO UPDATE OR REVISE ANY FORWARD-LOOKING
STATEMENTS, WHETHER AS A RESULT OF NEW INFORMATION, FUTURE EVENTS OR OTHERWISE.

AS OF ITS DATE, THIS PRESS RELEASE CONTAINS ALL MATERIAL INFORMATION ASSOCIATED
WITH THIS EVENT.

                                      -30-

CONTACTS:
Laurie Flanagan                               Paul Carpino
Celestica Global Communications               Celestica Investor Relations
(416) 448-2200                                (416) 448-2211
media@celestica.com                           clsir@celestica.com

</TEXT>
</DOCUMENT>
