Pursuant to the Investor Agreement, on February 24, 2021, the Board of Directors of Plug Power Inc. appointed Kyungyeol Song as a director of the Company, effective immediately. Mr. Song has been designated as a Class III director to serve until the Company's 2023 Annual Meeting of Stockholders or until his successor has been duly elected and qualified, or until his earlier death, removal or resignation. The Board has determined that Mr. Song is an independent director as defined in the NASDAQ Stock Market listing standards.