HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

BlueCrest Capital Management Ltd's Holding History (CIK: 0001610880)

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

Q3 2018

Shares 56,820 Value ($000) $73 Avg Close $1.77 Range $1.22 - $2.39

Q2 2018

Shares 197,650 Value ($000) $397 Avg Close $3.24 Range $1.93 - $4.97

Q4 2017

Shares 10,400 Value ($000) $63 Avg Close $6.09 Range $5.40 - $8.02

Q1 2017

Shares 21,570 Value ($000) $142 Avg Close $7.28 Range $6.02 - $8.28

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	56,820	$73	$1.77	$1.22 - $2.39
Q2 2018	197,650	$397	$3.24	$1.93 - $4.97
Q4 2017	10,400	$63	$6.09	$5.40 - $8.02
Q1 2017	21,570	$142	$7.28	$6.02 - $8.28