X0306 4 2013-04-12 0001022671 STEEL DYNAMICS INC STLD 0001027286 BATES JOHN C 640 LAVOY ROAD ERIE MI 48133 1 0 0 0 Common Stock 2013-04-12 4 A 0 8803 0 A 32655 D Common Stock 450000 I See footnote Deferred Stock Units 0 2013-04-12 2013-04-12 4 J 0 8739 0 D 2017-06-01 2017-06-01 Common Stock 8739 0 D Represents the number of additional shares of common stock underlying deferred stock units (DSUs) issued to the reporting person as a dividend equivalent reinvestment on existing DSUs, in connection with this person's retainer as a director under the Steel Dynamics, Inc. Amended and Restated 2006 Equity Incentive Plan. This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3). Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock. (See Lincoln National Corp. (March 20, 1992) (Q.3). Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total. Reflects the addition of DSUs previously reported in Table II of Form 4, and hereby moved from Table II to Table I, by virtue of footnote (2). The DSUs previously reported in Table II have now been moved to Table I and reported as directly owned shares of common stock and will be reported as such in the future until the underlying DSUs are settled at the end of their deferral period. Through control of Heidtman Steel Products, Inc., which holds these shares. Mr. Bates disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. John C. Bates 2013-04-15