Hudson Technologies, Inc. Completes Sale of 1,470,000 Shares of Common Stock at $1.15 Per Share

Pearl River, NY – August 6, 2009 – Hudson Technologies, Inc. (NASDAQ: HDSN), a distributor and reclaimer of refrigerants as well as a provider of proprietary on-site decontamination services for large comfort and process cooling systems, announced that it has completed the sale of 1,470,000 shares of its common stock to two institutional investors as part of a registered direct offering to sell up to 3,870,000 shares of its common stock.   

Under the terms of the subscription agreements with the initial two investors, Hudson Technologies sold an aggregate of 1,470,000 shares of its common stock at a price of $1.15 per share, and received net proceeds, after deducting placement agent fees and other estimated offering expenses, of approximately $1.5 million. 

Proceeds from the initial closing and from any future sales under the offering, will be used for working capital, as well as for other general corporate purposes including sales and marketing programs. Hudson may also use a portion of the proceeds to fund acquisitions, although it has no present commitments or agreements with respect to any such transactions.  Hudson may also, at its discretion, apply the proceeds of the offering to pay down a portion of its revolving credit facility.

Roth Capital Partners, LLC, is acting as the placement agent for the offering on a “best efforts” basis.  

A shelf registration statement relating to these securities (File No. 333-151973) has been declared effective by the Securities and Exchange Commission, and a prospectus supplement relating to the offering has been filed with the Securities and Exchange Commission.  This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. Any offer of these securities will be solely by means of a prospectus included in the registration statement and the prospectus supplement. Copies of the final prospectus and the prospectus supplement can be obtained at the Securities and Exchange Commission’s website, www.sec.gov, or from Hudson Technologies at PO Box 1541, 1 Blue Hill Plaza, Pearl River, NY 10965, Attention: Secretary.

About Hudson Technologies

Hudson Technologies, Inc. is a 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 savings to customers due to their ability to be completed rapidly and at higher purity levels, and can be utilized while the customer's system continues to operate. In addition, the Company sells refrigerants and provides traditional reclamation services to the commercial and industrial air conditioning and refrigeration markets. 

Safe Harbor Statement under the Private Securities Litigation Act of 1995:

Statements contained herein, which are not historical facts, constitute forward-looking statements and involve a number of known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements.  Such factors include, but are not limited to, whether or not the Company consummates any additional sales of its common stock in the offering referred to in this press release and other risks detailed in the Company's periodic reports filed with the  Securities and Exchange Commission.  The words "believe", "expect", "anticipate", "may",  and similar expressions identify forward-looking statements.  Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date the statement was made.

Investor Relations Contact: John Nesbett/Jennifer Belodeau Institutional Marketing Services (IMS) (203) 972-9200 jnesbett@institutionalms.com   Investor contact: BPC Financial Marketing John Baldissera 800-368-1217

Company Contact: Brian F. Coleman, President & COO Hudson Technologies, Inc. (845) 735-6000 bcoleman@hudsontech.com