Celestica, Inc.

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. The Board of Directors (the “Board”) of Celestica Inc. (the “Company”) appointed Chris Colpitts as a member of the Board, effective July 28, 2025. A copy of the press release announcing the appointment is attached as Exhibit 99.1 to this report. The Board has determined that Mr. Colpitts qualifies as an independent director under Canadian securities laws and NYSE listing standards. Mr. Colpitts has been appointed to the Company’s Audit Committee, Human Resources and Compensation Committee and Nominating and Corporate Governance Committee. He will be compensated in accordance with the director compensation policies and principles applicable to the Board. Mr. Colpitts brings 20 years of extensive experience in the technology, media, and telecommunications sectors, spanning both investment banking and private equity. His deep understanding of market dynamics, strategic transactions, and corporate development will be invaluable as Celestica continues its growth trajectory. Mr. Colpitts is currently a Founder at Granite Peak Capital Group. Prior to this, he served as a Senior Managing Director and Head of Telecommunications, Media and Technology (TMT) in the US at CVC Capital Partners, a global private equity firm. Before his tenure at CVC, he was Global Co-Head of TMT Investment Banking at Deutsche Bank, and previously held the position of Managing Director and Global Head of Electronics Investment Banking at Lehman Brothers. Throughout his career, he has advised on numerous significant transactions within the technology sector. There are no arrangements or understandings between Mr. Colpitts and any other person pursuant to which Mr. Colpitts was selected as a director, and there are no transactions in which the Company is a participant and in which Mr. Colpitts has a material interest subject to disclosure under Item 404(a) of Regulation S-K.