Item 1.01 Entry into a Material Definitive Agreement.

On August 12, 2009, Hudson Technologies, Inc. (the "Registrant"), through its subsidiary, Hudson Technologies Company ("HTC"), entered into a Fifth Amendment to the Amended and Restated Loan Agreement (the "Amendment") with Keltic Financial Partners II, LP, successor-in-interest to Keltic Financial Partners, LP ("Keltic") and Bridge Healthcare Finance, LLC ("Bridge"), which amended HTC's existing credit facility with Keltic and Bridge (the "Facility"). As a result of the Amendment, the Facility will bear interest at a rate equal to the greater of
(i) the prime rate plus 0.875%, (ii) LIBOR plus 3.375%, (iii) or 6.5%. The Amendment also modified the minimum EBITDA that HTC is required to achieve each fiscal quarter through the fiscal quarter ended March 31, 2011. As of August 12, 2009 the Facility bore interest at 6.5%. At August 12, 2009, the total borrowings under the Facility were approximately $8,341,000. The description of the Amendment in this report does not purport to be complete and is qualified in its entirety by reference to the Amendment which is filed as Exhibit 10.1 to this report and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit 10.1 Fifth Amendment to Amended and Restated Loan Agreement between Hudson Technologies Company, Keltic Financial Partners, L.P and Bridge Healthcare Finance, LLC, dated August 12, 2009;