X0306 4 2021-03-06 0 0001124198 FLUOR CORP FLR 0001777669 Reynolds John R C/O FLUOR CORPORATION 6700 LAS COLINAS BLVD IRVING TX 75039 0 1 0 0 Chief Legal Officer Common Stock 2021-03-06 4 F 0 4963 18.52 D 84642 D Common Stock 581.5072 I By 401(k) Plan In connection with the vesting of 19,105 restricted stock units held by the Reporting Person on 03/06/2021, the Issuer has withheld 4,963 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