DOUGLAS DYNAMICS INC

Ticker: PLOW CUSIP: 25960R105 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q1 2016

Shares 39,473 Value ($000) $904 Avg Close $20.10 Range $16.89 - $23.38

Q4 2015

Shares 32,694 Value ($000) $689 Avg Close $21.90 Range $19.38 - $24.48

Q3 2015

Shares 29,007 Value ($000) $576 Avg Close $21.25 Range $19.56 - $23.59

Q2 2015

Shares 25,817 Value ($000) $555 Avg Close $21.72 Range $20.06 - $23.45

Q1 2015

Shares 21,625 Value ($000) $494 Avg Close $21.63 Range $18.68 - $23.86

Q4 2014

Shares 14,584 Value ($000) $313 Avg Close $21.46 Range $18.40 - $24.90

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	39,473	$904	$20.10	$16.89 - $23.38
Q4 2015	32,694	$689	$21.90	$19.38 - $24.48
Q3 2015	29,007	$576	$21.25	$19.56 - $23.59
Q2 2015	25,817	$555	$21.72	$20.06 - $23.45
Q1 2015	21,625	$494	$21.63	$18.68 - $23.86
Q4 2014	14,584	$313	$21.46	$18.40 - $24.90