HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

Cypress Capital Management LLC (WY)'s Holding History (CIK: 0001633896)

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

Q3 2017

Shares 400 Value ($000) $3 Avg Close $8.66 Range $7.58 - $10.40

Q2 2017

Shares 400 Value ($000) $3,380 Avg Close $7.65 Range $6.32 - $8.93

Q1 2017

Shares 400 Value ($000) $2,640 Avg Close $7.28 Range $6.02 - $8.28

Q4 2016

Shares 15,810 Value ($000) $126,626 Avg Close $7.06 Range $5.55 - $8.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	400	$3	$8.66	$7.58 - $10.40
Q2 2017	400	$3,380	$7.65	$6.32 - $8.93
Q1 2017	400	$2,640	$7.28	$6.02 - $8.28
Q4 2016	15,810	$126,626	$7.06	$5.55 - $8.50