STEEL DYNAMICS INC — Director's Dealing 2014

May 20, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEEL DYNAMICS INC (STLD)
CIK: 0001022671
Period of Report: 2014-05-16

Reporting Person: BUSSE KEITH E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-05-16	Common Stock	M	3552	$14.08	Acquired	1098377	Direct
2014-05-16	Common Stock	S	600	$18.16	Disposed	1097777	Direct
2014-05-16	Common Stock	S	1500	$18.17	Disposed	1096277	Direct
2014-05-16	Common Stock	S	1.352	$18.18	Disposed	1094925	Direct
2014-05-16	Common Stock	S	100	$18.19	Disposed	1094825	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-05-16	Employee Stock Option (right to buy)	$14.08	M	3552	Disposed	2014-05-21	Common Stock (3552)	Direct

Footnotes

F1: Acquisition of stock pursuant to exercise of employee stock option, exempt from Section 16(b) under Rule 16b-3(d) and Rule 16b-6.

F2: Disposition to issuer of option, exempt from Section 16(b) under Rule 16b-3(e).