X0306 4 2022-11-21 0001022671 STEEL DYNAMICS INC STLD 0001921061 Anderson James Stanley 203 E BERRY STREET AWB SUITE 804 FORT WAYNE IN 46802 0 1 0 0 Senior Vice President Common Stock 2022-11-21 4 A 0 519 0 A 72327 D Common Stock 2022-11-21 4 F 0 228 100.64 D 72099 D Represents grant of restricted stock, in lieu of restricted stock units because of reporting person's age, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3), subject, however, to a two year holding period. Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3. James Stanley Anderson 2022-11-22