HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

BROWN ADVISORY INC's Holding History (CIK: 0001345929)

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

Q3 2018

Shares 10,000 Value ($000) $13 Avg Close $1.77 Range $1.22 - $2.39

Q2 2018

Shares 10,000 Value ($000) $20 Avg Close $3.24 Range $1.93 - $4.97

Q4 2016

Shares 10,000 Value ($000) $80 Avg Close $7.06 Range $5.55 - $8.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	10,000	$13	$1.77	$1.22 - $2.39
Q2 2018	10,000	$20	$3.24	$1.93 - $4.97
Q4 2016	10,000	$80	$7.06	$5.55 - $8.50