An anonymous director reports

CELESTICA ANNOUNCES PRICING OF SECONDARY OFFERING OF SUBORDINATE VOTING SHARES BY ONEX CORPORATION

Celestica Inc. has priced the previously announced offering by Onex Corp., its controlling shareholder, of 12 million of Celestica's subordinate voting shares (SVS) at a price to the public of $12.40 (U.S.) per SVS. Celestica is not selling any shares and will not receive any proceeds from the offering. RBC Capital Markets is acting as the underwriter for the offering. The offering is expected to close on June 8, 2023, subject to the satisfaction of customary closing conditions.

The offering is being made in the United States only by means of a prospectus supplement to a base prospectus forming a part of an effective registration statement on Form F-3ASR (file No. 333-241513) filed with the U.S. Securities and Exchange Commission. Prospective investors in the United States should read the base prospectus, registration statement, the prospectus supplement related to this offering and the documents incorporated by reference therein. You may obtain these documents at no charge on EDGAR on the SEC website. Alternatively, copies of the base prospectus and, when available, the prospectus supplement relating to this offering may also be obtained from RBC Capital Markets LLC, attention: equity capital markets, 200 Vesey St., New York, N.Y., 10281, by telephone at 877-822-4089 or by e-mail at equityprospectus@rbccm.com.

This offering is being made in Canada only by means of a prospectus supplement, together with a short form base shelf prospectus for the province of Quebec and an amended and restated short form base shelf prospectus for all other provinces and territories of Canada. Prospective investors in Canada should read the short form base shelf prospectus and the amended and restated base shelf prospectus of the company filed with the Canadian securities regulatory authorities on May 30, 2023, the prospectus supplement thereto relating to the offering and the documents incorporated by reference therein. You may obtain these documents at no charge on SEDAR.

About Celestica Inc.

Celestica enables the world's best brands. Through its recognized customer-centric approach, it partners with leading companies in aerospace and defence, communications, enterprise, healthtech, industrial, and capital equipment to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development -- from the drawing board to full-scale production and aftermarket services. With talented teams across North America, Europe and Asia, it imagines, develops and delivers a better future with its customers.

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