HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q2 2013

Shares 219,300 Value ($000) $700 Avg Close $3.65 Range $3.11 - $4.45

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2013	219,300	$700	$3.65	$3.11 - $4.45