HUDSON TECHNOLOGIES OBTAINS CONDITIONAL LISTING FROM NASDAQ

Stock Symbol Changed to HDSNC for Duration of Exception 

PEARL RIVER, N.Y. – November 4, 2003 – Hudson Technologies, Inc. (Nasdaq: HDSNC), announced today that its common stock will continue to be listed on The Nasdaq SmallCap Market via an exception granted to the Company by the Nasdaq Listing Qualification Panel for the stockholders’ equity/market value of listed securities requirement as set forth in Nasdaq MarketPlace Rule 4310(c)(2)(B).

Based on the information that Hudson submitted to the Nasdaq Listing Qualifications Panel, among other information, the Company was granted a temporary exception from this standard subject to its meeting certain conditions, including a demonstration of its achieving shareholders’ equity of at least $4 million by December 5, 2003 and the filing, by March 31, 2004, of its Form 10-KSB for the fiscal year ending December 31, 2003 evidencing that it had shareholders’ equity of at least $2.5 million.  The exception will expire if the Company does not meet either of the two conditions stated above by the requisite time periods or if the Company does not satisfy any of the remaining criteria for continued listing.

In the event the Company is deemed to have met the terms of the exception, its common stock shall continue to be listed on The Nasdaq SmallCap Market.  If, at some future date, the Company's securities should cease to be listed in the Nasdaq SmallCap Market, they may continue to be listed in the OTC Bulletin Board. 

For the duration of the exception, the Company's Nasdaq symbol will be HDSNC.

Hudson Technologies, Inc. is a leading provider of innovative solutions to recurring problems within the refrigeration industry.  Hudson’s proprietary RefrigerantSide® Services increase operating efficiency and energy savings, and remove moisture, oils and other contaminants frequently found in the refrigeration circuits of large comfort cooling and process refrigeration systems.  Performed at a customer’s site as an integral part of an effective scheduled maintenance program or in response to emergencies, RefrigerantSide® Services offer significant savings to customers due to their ability to be completed rapidly, and can be utilized while the customer’s system continues to operate.  In addition, the Company sells refrigerants and provides traditional recovery and reclamation services to the commercial and industrial air conditioning and refrigeration markets.

Investor Relations Contacts:                                                      Company Contact:
Harriet Fried/John Heilshorn                                                        Brian F. Coleman, President & COO
Lippert/Heilshorn & Associates                                                    Hudson Technologies, Inc.
(212) 838-3777                                                                       (845) 735-6000
hfried@lhai.com                                                                       bcoleman@hudsontech.com

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