HUDSON TECHNOLOGIES INC Business Finance Contracts & Agreements

Form of Stock Appreciation Rights Award Agreement (Filed With SEC on March 24, 2022)

Guaranty and Security Agreement dated March 2, 2022 by and among the Grantors named therein and TCW Asset Management Company LLC, as Agent (Filed With SEC on March 3, 2022)

Credit Agreement dated March 2, 2022 by and among TCW Asset Management Company LLC, as Agent, Hudson Technologies, Inc., and the Borrowers and Lenders party thereto (Filed With SEC on March 3, 2022)

First Amendment to Credit Agreement dated April 23, 2020 with Wells Fargo Bank, National Association (Filed With SEC on May 15, 2020)

Fifth Amendment to Term Loan and Credit and Security Agreement dated April 23, 2020 (Filed With SEC on May 15, 2020)

Joinder to Term Loan Credit and Security Agreement and Other Documents dated April 17, 2019 (Filed With SEC on May 2, 2019)

Third Amendment and Joinder to Amended and Restated Revolving Credit and Security Agreement and Waiver dated April 17, 2019 (Filed With SEC on May 2, 2019)

Second Amendment to Amended and Restated Revolving Credit and Security Agreement, Consent and Waiver (Filed With SEC on December 3, 2018)

Waiver and Third Amendment to Term Loan Credit and Security Agreement (Filed With SEC on December 3, 2018)

Limited Waiver and First Amendment to the Term Loan Credit and Security Agreement and certain other documents (Filed With SEC on November 30, 2018)

Waiver and Second Amendment to Term Loan Credit and Security Agreement (Filed With SEC on August 15, 2018)

First Amendment to Amended and Restated Revolving Credit and Security Agreement with PNC Bank, National Association (Filed With SEC on December 7, 2017)

Amended and Restated Revolving Credit and Security Agreement dated October 10, 2017 with PNC Bank, National Association (Filed With SEC on October 11, 2017)

Amended and Restated Guaranty and Suretyship Agreement dated October 10, 2017 by Hudson Technologies, Inc (Filed With SEC on October 11, 2017)

Term Loan Credit and Security Agreement dated October 10, 2017 with U.S. Bank National Association as Administrative Agent and Collateral Agent for the Term Lenders (Filed With SEC on October 11, 2017)

Guaranty and Suretyship Agreement dated October 10, 2017 by Hudson Technologies, Inc (Filed With SEC on October 11, 2017)

STOCK PURCHASE AGREEMENT by and among AIRGAS, INC., HUDSON HOLDINGS, INC. and HUDSON TECHNOLOGIES, INC. dated as of August 9, 2017 (Filed With SEC on August 9, 2017)

HUDSONTECHNOLOGIES, INC. 6,428,571Shares of Common Stock UnderwritingAgreement (Filed With SEC on December 9, 2016)

SECOND AMENDED AND RESTATED REVOLVINGCREDIT NOTE PNC Bank, National Association (Filed With SEC on April 14, 2016)

FIFTH AMENDMENT TO REVOLVING CREDIT,TERM LOAN AND SECURITY AGREEMENT (Filed With SEC on April 14, 2016)

FOURTH AMENDMENT TO REVOLVING CREDIT,TERM LOAN AND SECURITY AGREEMENT (Filed With SEC on July 8, 2015)

NON-QUALIFIED STOCK OPTION AGREEMENT(BARRIER OPTION) HUDSON TECHNOLOGIES, INC. (Filed With SEC on October 29, 2014)

NON-QUALIFIED STOCK OPTION AGREEMENT HUDSON TECHNOLOGIES, INC. (Filed With SEC on October 29, 2014)

THIRD AMENDMENT TO REVOLVING CREDIT,TERM LOAN AND SECURITY AGREEMENT (Filed With SEC on July 7, 2014)

HUDSONTECHNOLOGIES, INC. 6,000,000Shares of Common Stock UnderwritingAgreement (Filed With SEC on June 6, 2014)

SECOND AMENDMENT TO REVOLVING CREDIT,TERM LOAN AND SECURITY AGREEMENT (Filed With SEC on October 31, 2013)

FIRST AMENDMENT TO REVOLVING CREDIT,TERM LOAN AND SECURITY AGREEMENT (Filed With SEC on February 20, 2013)

3,870,000Shares of Common Stock HUDSONTECHNOLOGIES, INC. PLACEMENT AGENTAGREEMENT (Filed With SEC on August 3, 2009)

HUDSONTECHNOLOGIES, INC. WARRANT (Filed With SEC on August 3, 2009)