STEEL DYNAMICS INC — Director's Dealing 2015

May 27, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEEL DYNAMICS INC (STLD)
CIK: 0001022671
Period of Report: 2015-05-22

Reporting Person: BYRNE FRANK D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-22	Common Stock	A	473	—	Acquired	53492	Direct

Footnotes

F1: Issued as deferred stock units (DSUs) in connection with reporting person's retainer, as a director under the Steel Dynamics, Inc. Amended and Restated 2006 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). These DSUs are reportable, however, 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).

F2: 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 shares of common stock. (See Lincoln National Corp. (March 20, 1992) (Q.3).

F3: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.