X0306 4 2021-03-06 0 0001124198 FLUOR CORP FLR 0001840611 Breuer James R C/O FLUOR CORPORATION 6700 LAS COLINAS BLVD IRVING TX 75039 0 1 0 0 Group President Common Stock 2021-03-06 4 F 0 752 18.52 D 24026 D Common Stock 311.7497 I By 401(k) Plan In connection with the vesting of 3,081 restricted stock units held by the Reporting Person on 03/06/2021, the Issuer has withheld 752 shares of common stock to satisfy the resulting tax withholding obligation. The withholding of these shares occurred automatically upon the vesting of the restricted stock units, and as such, no investment decision was made by the Reporting Person in connection with this transfer. /s/ Eric P. Helm by Power of Attorney 2021-03-09