STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

Calamos Advisors LLC's Holding History (CIK: 0001316507)

Note: Option positions (PUT/CALL) are excluded.

Q2 2017

Shares 59,178 Value ($000) $2,119 Avg Close $28.97 Range $26.88 - $31.37

Q1 2017

Shares 452,348 Value ($000) $15,724 Avg Close $29.67 Range $27.09 - $32.02

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	59,178	$2,119	$28.97	$26.88 - $31.37
Q1 2017	452,348	$15,724	$29.67	$27.09 - $32.02