BIOHITECH GLOBAL, INC. Stock Agreements

Amended and Restated Certificate of Designations of Series I Convertible Preferred Stock (Filed With SEC on September 13, 2022)

Amended and Restated Certificate of Designations of Series H Convertible Preferred Stock (Filed With SEC on September 13, 2022)

Amended and Restated Certificate of Designations of Series G Convertible Preferred Stock (Filed With SEC on September 13, 2022)

Certificate of Designations of Series C-1 Redeemable Preferred Stock (Filed With SEC on September 13, 2022)

Form of Common Stock Purchase Warrants (Filed With SEC on January 26, 2022)

Common Stock Purchase Agreement by and between the Company and Keystone dated September 23, 2021 (Filed With SEC on September 24, 2021)

Certificate of Designation of Series F Redeemable, Convertible Preferred Stock of BioHiTech Global, Inc (Filed With SEC on March 18, 2020)

Form of Investor Subscription Agreement Series D Convertible Preferred Stock (Filed With SEC on May 15, 2019)

Certificate of Amendment of Certificate of Designation of Series D Convertible Preferred Stock (Filed With SEC on May 15, 2019)

Certificate of Designation of Series D Convertible Preferred Stock (Filed With SEC on May 15, 2019)

Certificate of Designation, BioHiTech Global, Inc. Series E Convertible Preferred Stock (Filed With SEC on December 18, 2018)

Certificate of Designation of Series C Convertible Preferred Stock (Filed With SEC on February 6, 2018)

Certificate of Designation of Series B Convertible Preferred Stock (Filed With SEC on January 4, 2018)

Certificate of Designation of Series A Convertible Preferred Stock (Filed With SEC on November 3, 2017)