Power of Attorney for David Reeder

This filing documents a Power of Attorney granted by David Reeder, an officer and/or director of Celestica Inc., to Tracy Connelly McGilley, Samantha Graff, and Douglas Parker. The attorneys-in-fact are authorized to execute and file Forms 3, 4, and 5 with the SEC and any stock exchange on behalf of Mr. Reeder, as required by Section 16(a) of the Securities Exchange Act of 1934. This authorization includes making any necessary amendments and taking any actions deemed beneficial or legally required. The Power of Attorney remains in effect until Mr. Reeder is no longer required to file these forms, or until earlier revoked in writing. The filing is dated May 1, 2026.