DOUGLAS DYNAMICS INC

Ticker: PLOW CUSIP: 25960R105 Class: Common Stock

Boston Trust Walden Corp's Holding History (CIK: 0001534866)

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

Q1 2021

Shares 324,175 Value ($000) $14,961 Avg Close $46.08 Range $39.50 - $51.44

Q4 2020

Shares 327,438 Value ($000) $14,005 Avg Close $38.42 Range $33.31 - $44.20

Q3 2020

Shares 331,254 Value ($000) $11,329 Avg Close $36.93 Range $31.37 - $42.32

Q2 2020

Shares 316,217 Value ($000) $11,105 Avg Close $34.67 Range $25.63 - $40.99

Q1 2020

Shares 143,649 Value ($000) $5,101 Avg Close $46.87 Range $24.12 - $56.89

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	324,175	$14,961	$46.08	$39.50 - $51.44
Q4 2020	327,438	$14,005	$38.42	$33.31 - $44.20
Q3 2020	331,254	$11,329	$36.93	$31.37 - $42.32
Q2 2020	316,217	$11,105	$34.67	$25.63 - $40.99
Q1 2020	143,649	$5,101	$46.87	$24.12 - $56.89