X0306 4 2023-03-06 0 0001124198 FLUOR CORP FLR 0001339727 Constable David E C/O FLUOR CORPORATION 6700 LAS COLINAS BOULEVARD IRVING TX 75039 1 1 0 0 Chairman and CEO Common Stock 2023-03-06 4 F 0 40005 36.87 D 520073 D In connection with the vesting of 111,879 restricted stock units held by the Reporting Person on March 6, 2023, the Issuer has withheld 40,005 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 2023-03-08