X0306 4 2023-03-14 0000073309 NUCOR CORP NUE 0001706490 Topalian Leon J 1915 REXFORD ROAD CHARLOTTE NC 28211 1 Chair, President and CEO Common Stock 2023-03-14 4 F 0 1651 155.07 D 161206.13 D Common Stock 2023-03-14 4 F 0 8377 155.07 D 152829.13 D Common Stock 2023-03-14 4 F 0 14137 155.07 D 138692.13 D Common Stock 1298.871 I In Profit Sharing Plan Represents shares withheld by the Issuer for payment of the tax liability incurred upon the vesting of previously awarded restricted shares as reported on Form 4 dated February 24, 2021. Represents shares withheld by the Issuer for payment of the tax liability incurred upon the vesting of previously awarded restricted shares as reported on Form 4 dated February 23, 2022. Represents shares withheld by the Issuer for payment of the tax liability incurred upon the vesting of previously awarded restricted shares as reported on Form 4 dated February 22, 2023. As of March 13, 2023, the reporting person had a balance of $201,883.47 in the Nucor Stock Fund in the Nucor Profit Sharing Plan. The number of shares has been calculated by the plan administrator of such plan. /s/ Caitlin A. Kelly, attorney-in-fact for Mr. Topalian 2023-03-15