X0508 4 2025-12-31 0001030894 CELESTICA INC CLS 0002082884 Wilson Michael Max 5140 YONGE STREET SUITE 1900 TORONTO A6 M2N 6L7 ONTARIO, CANADA true false false false false Common Shares 2025-12-31 4 M false 4266 0 A 20596 D Common Shares 2025-12-31 4 F false 2049 299.45 D 18547 D Restricted Share Units 2025-12-31 4 M false 2736 0 D Common Shares 2736 0 D Restricted Share Units 2025-12-31 4 M false 1166 0 D Common Shares 1166 1167 D Restricted Share Units 2025-12-31 4 M false 364 0 D Common Shares 364 728 D Director Share Units 2025-12-31 4 A false 342 0 A Common Shares 342 1429 D Shares withheld to satisfy tax withholding obligations arising out of the vesting of restricted share units ("RSUs"). The price reported was converted from Canadian dollars to U.S. dollars using the Bank of Canada exchange rate on the transaction date. Each RSU represents a contingent right to receive one common share or an equivalent value in cash at the holder's election. On December 31, 2022, the reporting person was granted 8,207 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. On December 31, 2023, the reporting person was granted 3,500 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. On December 31, 2024, the reporting person was granted 1,092 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. Each director share unit represents a contingent right to receive one common share or an equivalent value in cash at the Issuer's discretion when the holder ceases to serve the Issuer as any of a director, consultant or other service provider. /s/ Tracy Connelly McGilley, attorney-in-fact 2026-01-05