STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

GUARDIAN CAPITAL LP's Holding History (CIK: 0001224324)

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

Q1 2015

Shares 10,119 Value ($000) $203 Avg Close $14.75 Range $13.06 - $16.57

Q4 2014

Shares 13,120 Value ($000) $259 Avg Close $16.97 Range $14.81 - $18.55

Q3 2014

Shares 19,109 Value ($000) $432 Avg Close $17.12 Range $13.89 - $19.97

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	10,119	$203	$14.75	$13.06 - $16.57
Q4 2014	13,120	$259	$16.97	$14.81 - $18.55
Q3 2014	19,109	$432	$17.12	$13.89 - $19.97