REPORTING ENTITY	3 Months Ended
Mar. 31, 2026
Accounting Changes and Error Corrections [Abstract]
REPORTING ENTITY	REPORTING ENTITY Celestica Inc. (referred to herein as Celestica, the Company, we, us, or our) is incorporated in Ontario with its corporate headquarters located in Toronto, Ontario, Canada. Celestica’s common shares (Common Shares) are listed on the New York Stock Exchange (NYSE) and Toronto Stock Exchange (TSX). Our operating and reportable segments consist of the Connectivity & Cloud Solutions (CCS) segment and the Advanced Technology Solutions (ATS) segment. See note 3 for further detail regarding segment information.

REPORTING ENTITY

3 Months Ended

Mar. 31, 2026

Accounting Changes and Error Corrections [Abstract]

Celestica Inc. (referred to herein as Celestica, the Company, we, us, or our) is incorporated in Ontario with its corporate headquarters located in Toronto, Ontario, Canada. Celestica’s common shares (Common Shares) are listed on the New York Stock Exchange (NYSE) and Toronto Stock Exchange (TSX). Our operating and reportable segments consist of the Connectivity & Cloud Solutions (CCS) segment and the Advanced Technology Solutions (ATS) segment. See note 3 for further detail regarding segment information.