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| 01YUJC Fold Fold Have questions about this notice? Call the Toll Free Number below or scan the QR code to find out more. Toll Free – 1-866 964-0492 www.computershare.com/ noticeandaccess Notice of Availability of Meeting Materials for Celestica Inc. Annual and Special Meeting of Shareholders (Meeting) Meeting Date and Location: When: Thursday, April 25, 2024 Where: Celestica’s headquarters at 9:30 a.m. (EDT) 5140 Yonge Street, Suite 1900, Toronto, Ontario and online via audio-only webcast at https://meetnow.global/MUGXJDC You are receiving this notice because Celestica Inc. is using the notice-and-access procedures permitted under applicable Canadian securities laws to deliver to you its management information circular (Circular) and other Meeting materials (Meeting Materials). We remind you to access and review all of the important information contained in the Circular and the Meeting Materials before voting. Enclosed with this notice is a form of proxy for registered shareholders or a voting instruction form for non-registered shareholders with instructions on how to vote. The Circular and the Meeting Materials are available at: www.celestica.com/shareholder-documents OR www.sedarplus.com OR www.sec.gov How to Obtain a Paper Copy of the Circular and the Meeting Materials Shareholders may request to receive a paper copy of the Circular and the Meeting Materials by mail at no cost. Requests for a paper copy may be made using your Control Number as it appears on your enclosed form of proxy or voting instruction form. To ensure you receive the Circular and the Meeting Materials in advance of the Meeting, all requests must be received no later than April 15, 2024. If you do request the Circular and the Meeting Materials, please note that another form of proxy or voting instruction form will not be sent; please retain your current one for voting purposes. For Holders with a 15 digit Control Number: Request a paper copy of the Circular and the Meeting Materials by calling Toll Free, within North America - 1-866-962-0498 or direct, from outside of North America - (514) 982-8716 and entering your Control Number as indicated on your form of proxy or voting instruction form. To obtain a paper copy of the Circular and the Meeting Materials after the Meeting, please contact 1-877-907-7643 within North America, or direct, from outside of North America - English: 303-562-9305 or French: 303-562-9306. For Holders with a 16 digit Control Number: Request a paper copy of the Circular and the Meeting Materials by calling Toll Free, within North America - 1-877-907-7643 or direct, from outside of North America - English: 303-562-9305 or French: 303-562-9306 and entering your Control Number as indicated on your voting instruction form. To obtain a paper copy of the Circular and the Meeting Materials after the Meeting, please contact 1-877-907-7643 within North America, or direct, from outside of North America - English: 303-562-9305 or French: 303-562-9306 |