Celestica Inc. (NYSE:CLS) Q4 2020 Earnings Conference Call January 27, 2021 8:00 AM ET Company Participants Craig Oberg - Vice President of Investor Relations & Corporate Development Rob Mionis - President & Chief Executive Officer Mandeep Chawla - Chief Financial Officer Conference Call Participants Paul Steep - Scotia Capital Todd Coupland - CIBC World Markets Robert Young - Canaccord Genuity Paul Treiber - RBC Capital Markets Thanos Moschopoulos - BMO Capital Markets Ruplu Bhattacharya - Bank of America ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ___________________________________________________________________ FORM 20-F o Registration statement pursuant to Section 12(b) or (g) of the Securities Exchange Act of 1934 or ý Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2019 or o Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to or ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ___________________________________________________________________ FORM 20-F o Registration statement pursuant to Section 12(b) or (g) of the Securities Exchange Act of 1934 or ý Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2018 or o Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to or ...