On July 26, 2022, Kimberly A. Harriman, a Class III director of the Board of Directors of Plug Power Inc., and a member of the Company's Audit Committee of the Board, notified the Company of her decision to resign from the Board effective immediately. Ms. Harriman has served on the Board since February 2021. Ms. Harriman's decision to resign from the Board is due to her professional commitments as Senior Vice President - State Government Affairs & Communications of Avangrid Inc. and not the result of a disagreement with the Company on any matter relating to the Company's operations, policies or practices.