HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000922127)

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

Q2 2018

Shares 21,250 Value ($000) $43 Avg Close $3.24 Range $1.93 - $4.97

Q1 2018

Shares 15,250 Value ($000) $75 Avg Close $5.89 Range $4.39 - $6.98

Q4 2017

Shares 13,250 Value ($000) $80 Avg Close $6.09 Range $5.40 - $8.02

Q3 2017

Shares 7,500 Value ($000) $59 Avg Close $8.66 Range $7.58 - $10.40

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	21,250	$43	$3.24	$1.93 - $4.97
Q1 2018	15,250	$75	$5.89	$4.39 - $6.98
Q4 2017	13,250	$80	$6.09	$5.40 - $8.02
Q3 2017	7,500	$59	$8.66	$7.58 - $10.40