144 0002082884 XXXXXXXX LIVE 0001030894 CELESTICA INC. 001-14832 5140 Yonge Street, Suite 1900 Toronto A6 M2N 6L7 416-448-5800 Wilson Michael Max Director Common Shares Canaccord Genuity

40 Temperance Street Suite 2100 Toronto A6 M5H 0B4

4168 1428248.6 114973107 05/19/2026 NYSE Common Stock 05/19/2026 Restricted share unit vesting Celestica Inc. N 4168 05/19/2026 N/A Y Shares sold to satisfy tax withholding obligations arising out of the vesting of restricted share units. The filing of this Form 144 shall not be construed as an admission that the undersigned is an affiliate of the Issuer. 05/19/2026 /s/ Wilson Michael Max