144 0001807647 XXXXXXXX LIVE 0001030894 CELESTICA INC. 001-14832 5140 Yonge Street, Suite 1900 Toronto A6 M2N 6L7 416-448-5800 Etienvre Yann L Officer Common Shares Canaccord Genuity

40 Temperance Street Suite 2100 Toronto A6 M5H 0B4

86226 24228643.74 115036621 02/02/2026 NYSE Common Shares Canaccord Genuity

40 Temperance Street Suite 2100 Toronto A6 M5H 0B4

1142 320890.58 115036621 02/04/2026 NYSE Common Shares 02/02/2026 Performance share unit vesting Celestica Inc. N 82702 02/02/2026 N/A Common Shares 02/02/2026 Restricted share unit vesting Celestica Inc. N 3524 02/02/2026 N/A Common Shares 02/04/2026 Restricted share unit vesting Celestica Inc. N 1142 02/04/2026 N/A N Yann L Etienvre

5140 Yonge Street Suite 1900 Toronto A6 M2N 6L7

Common Shares 12/01/2025 9187 2970892.06 The filing of this Form 144 shall not be construed as an admission that the undersigned is an affiliate of the Issuer. 02/02/2026 /s/ Yann L. Etienvre