Contacting Celestica Investor Relations

Celestica Investor Relations

5140 Yonge

Toronto, Ontario.

M2N 6L7, Suite 1900, PO Box 42

tel: 416-448-2211

email: clsir@celestica.com

Registrar & Transfer Agents

To request a copy of a share certificate, or to report a change of address, please contact our transfer agent:

Canada:

Computershare Trust Company of Canada

100 University Ave, 9th Floor

Toronto, Ontario, M5J 2Y1

tel: 1-800-564-6253

United States:

Computershare Trust Company Inc.

350 Indiana Street Suite 800

Golden, CO 80401

tel: 303-262-0600

Auditor

KPMG LLP

4100 Yonge St, Suite 200

Toronto, ON M2P 2H3.