STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

Rock Point Advisors, LLC's Holding History (CIK: 0001301540)

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

Q4 2015

Shares 203,129 Value ($000) $3,630 Avg Close $14.45 Range $13.12 - $15.93

Q3 2015

Shares 200,810 Value ($000) $3,450 Avg Close $15.53 Range $13.35 - $17.42

Q2 2015

Shares 200,110 Value ($000) $4,145 Avg Close $17.16 Range $15.54 - $18.46

Q1 2015

Shares 208,260 Value ($000) $4,186 Avg Close $14.75 Range $13.06 - $16.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	203,129	$3,630	$14.45	$13.12 - $15.93
Q3 2015	200,810	$3,450	$15.53	$13.35 - $17.42
Q2 2015	200,110	$4,145	$17.16	$15.54 - $18.46
Q1 2015	208,260	$4,186	$14.75	$13.06 - $16.57