On May 24, 2024, Plug Power Inc. announced the filing of a prospectus supplement with the Securities and Exchange Commission. This filing pertains to the resale of up to 3,461,371 shares of common stock by certain selling stockholders. These shares are issuable upon the exercise of warrants that were part of an Agreement and Plan of Merger dated June 22, 2020, involving Plug Power Inc. and several entities including Giner ELX Sub, LLC, Giner ELX Merger Sub, Inc., Giner ELX, Inc., and Giner, Inc. Additionally, the company has filed an opinion of its counsel, Goodwin Procter LLP, regarding the legality of the common stock issuable upon the exercise of the warrants. This opinion is attached as Exhibit 5.1 to the current report on Form 8-K.

On May 24, 2024, Plug Power Inc. announced the filing of a prospectus supplement with the Securities and Exchange Commission. This filing pertains to the resale of up to 3,461,371 shares of common stock by certain selling stockholders. These shares are issuable upon the exercise of warrants that were part of an Agreement and Plan of Merger dated June 22, 2020, involving Plug Power Inc. and several entities including Giner ELX Sub, LLC, Giner ELX Merger Sub, Inc., Giner ELX, Inc., and Giner, Inc. Additionally, the company has filed an opinion of its counsel, Goodwin Procter LLP, regarding the legality of the common stock issuable upon the exercise of the warrants. This opinion is attached as Exhibit 5.1 to the current report on Form 8-K.