Hudson Technologies, Inc. Announces $5.5 Million Registered Direct Offering

PEARL RIVER, NY, July 1. 2010 –Hudson Technologies, Inc. (NASDAQ: HDSN), a leading distributor and reclaimer of refrigerants as well as a provider of proprietary on-site decontamination services for large comfort and process cooling systems, announced today that it has entered into definitive agreements to sell an aggregate of 2,737,500 shares of its common stock and warrants to purchase an aggregate of 1,368,750 shares of common stock in a registered direct offering. The warrants will be exercisable at an exercise price of $2.60 per share beginning six months after the date of issuance and will expire five years after they first become exercisable. Each unit, consisting of one share of common stock and a warrant to purchase 0.50 of a share of common stock, will be sold for a purchase price of $2.00.  The offering is expected to close on or about July 7, 2010, subject to customary closing conditions.

Hudson Technologies intends to use the net proceeds from this offering for working capital and general corporate purposes which may include, among other things, funding acquisitions, although the Company has no present commitments or agreements with respect to any such transactions. Hudson may also use a portion of the proceeds to reduce or repay indebtedness under its loan agreement with its existing commercial lender.

Canaccord Genuity Inc. is acting as the sole placement agent for the offering.

A shelf registration statement relating to these securities (File No. 333-151973) previously was filed and declared effective by the Securities and Exchange Commission. A prospectus supplement relating to the offering will be filed with the Securities and Exchange Commission. This press release does not constitute an offer to sell or the solicitation of an offer to buy any security, nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state. A copy of the base prospectus and prospectus supplement (once filed) can be obtained at the Securities and Exchange Commission’s website or by sending a request to the offices of Canaccord Genuity Inc., Attn: Syndicate Department, 99 High Street, 12th Floor, Boston, MA 02110, phone: (800) 225-6201.

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