HUDSON TECHNOLOGIES INC /NY — Director's Dealing 2008

May 15, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HUDSON TECHNOLOGIES INC /NY (HDSN)
CIK: 0000925528
Period of Report: 2008-05-13

Reporting Person: HARKINS CHARLES F (VP Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-05-15	Common Stock	M	9375	$0.83	Acquired	9375	Direct
2008-05-15	Common Stock	M	9375	$0.95	Acquired	18750	Direct
2008-05-15	Common Stock	M	7032	$0.87	Acquired	25782	Direct
2008-05-15	Common Stock	M	8204	$0.83	Acquired	33986	Direct
2008-05-13	Common Stock	S	33986	$2.57	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-05-15	Stock Option (Right to Buy)	$0.83	M	9375	Disposed	2014-09-17	Common Stock (9375)	Direct
2008-05-15	Stock Option (Right to Guy)	$0.95	M	9375	Disposed	2014-10-01	Common Stock (9375)	Direct
2008-05-15	Stock Option (Right to Buy)	$0.87	M	7032	Disposed	2015-04-01	Common Stock (7032)	Direct
2005-05-15	Stock Option (Right to Buy)	$0.83	M	8204	Disposed	2015-07-08	Common Stock (8204)	Direct

Footnotes

F1: Excludes Derivative Securities

F2: Represents average price per share for all shares sold in a series of transactions

F3: Options vested quarterly in eight equal installments commencing 10/1/2004

F4: Options vested quarterly in eight equal installments commencing 1/1/2005

F5: Options vested quarterly in eight installments commencing 7/1/2005

F6: Options vested quarterly in eight installments commencing 10/1/2005