HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q2 2018

Shares 58,900 Value ($000) $118 Avg Close $3.24 Range $1.93 - $4.97

Q1 2018

Shares 58,900 Value ($000) $291 Avg Close $5.89 Range $4.39 - $6.98

Q4 2017

Shares 58,900 Value ($000) $358 Avg Close $6.09 Range $5.40 - $8.02

Q3 2017

Shares 40,070 Value ($000) $313 Avg Close $8.66 Range $7.58 - $10.40

Q2 2017

Shares 40,070 Value ($000) $339 Avg Close $7.65 Range $6.32 - $8.93

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	58,900	$118	$3.24	$1.93 - $4.97
Q1 2018	58,900	$291	$5.89	$4.39 - $6.98
Q4 2017	58,900	$358	$6.09	$5.40 - $8.02
Q3 2017	40,070	$313	$8.66	$7.58 - $10.40
Q2 2017	40,070	$339	$7.65	$6.32 - $8.93