MISSION STATEMENT Contact Us Hudson Technologies is committed to providing products and services that reduce greenhouse gas emissions, increase energy efficiency, and promote sustainability to encourage understanding and ensure future generations inherit a healthy planet. Find your nearest Hudson contact Select Your Location ABOUT US Company Overview Executive Officers Mission Statement Careers Contact Us Customer Service LITERATURE Safety Data Sheets Case Studies Brochures NEWS Industry News Financial Press Releases One Blue Hill Plaza, Pearl River, NY10965 © 2017 Hudson Technologies, All Rights Reserved PRIVACY POLICY | TERMS & CONDITIONS

CONTACT US Contact Us Wholesaler Sales & Buyback Customer Service: 800-277-3490 On-Site Refrigerant Services Contractor Sales & Buyback See our location map SF6 Sales, Service & Buyback Kate Houghton Phone: 508-481-0710 Customer Service Tammie Roundy Phone: 800-277-3490 603-329-4021 Fax: 603-329-4527 Global Energy Services Email: energy@hudsontech.com Phone: 845-359-4717 ext. 0 Federal Agency Sales, Service and Reclaim Daniel Ehret Phone/Fax: 800-610-4571 Sustainability Jon Stack Phone: 845-735-6000 ext 6403 Corporate Headquarters Hudson Technologies, Inc. One Blue Hill Plaza Pearl River, NY10965 For general inquiries information@hudsontech.com Find your nearest Hudson contact Select Your Location ABOUT US Company Overview Executive Officers Mission Statement Careers Contact Us Customer Service LITERATURE Safety Data Sheets Case Studies Brochures NEWS Industry News Financial Press Releases One Blue Hill Plaza, Pearl River, NY10965 © 2017 Hudson Technologies, All Rights Reserved PRIVACY POLICY | TERMS & CONDITIONS

INVESTOR RELATIONS Contact Us MISSION Hudson Technologies is committed to employing its engineering and chemistry know-how to provide our customers with economic solutions that also provide significant environmental benefits to all. Our solutions include, but are not limited to: capturing and recycling refrigerants and other ozone depleting and global warming gases; optimizing energy systems to reduce energy consumption and increase operating efficiency thereby lowering their overall carbon footprint; development and support of best practices to enable equipment operators to lower their footprint on the environment. Our mission is global in scope and our solutions are designed to serve the US as well as other developed nations and developing economies throughout the world. For best PDF viewing experience please use the latest Acrobat Reader. Hudson Presentation PDF Sustainability PDF 2021 Annual Shareholder Report REQUEST INVESTOR KIT Your Name* Email* Company Message Add to distribution list Do not add to distribution list Find your nearest Hudson contact Select Your Location ABOUT US Company Overview Executive Officers Mission Statement Careers Contact Us Customer Service LITERATURE Safety Data Sheets Case Studies Brochures NEWS Industry News Financial Press Releases One Blue Hill Plaza, Pearl River, NY10965 © 2017 Hudson Technologies, All Rights Reserved PRIVACY POLICY | TERMS & CONDITIONS