HYZN 2023 Proxy Statement

What are the Board’s recommendations? Our Board recommends that you vote: • The election “FORALL” of the director nominees; and • “FOR” the ratification of the appointment of KPMG LLP as our independent registered public accounting firm for the year ending December 31, 2023. Will there be any other items of business on the agenda? We do not expect any other items of business because the deadline for stockholder proposals and nominations has already passed. Nonetheless, in case there is an unforeseen need, the accompanying proxy gives discretionary authority to the persons named on the proxy with respect to any other matters that might be properly brought before the meeting. Those persons intend to vote the proxy in accordance with their best judgment. Who is entitled to vote? Stockholders of record at the close of business on the Record Date, July 6, 2023, may vote at the Annual Meeting. Each stockholder is entitled to one vote for each share of the Company’s common stock held as of the Record Date. A list of stockholders of record entitled to vote at the Annual Meeting will be available for examination by any stockholder, for any purpose related to the Annual Meeting, for ten days prior to the Annual Meeting at our offices located at 475 Quaker Meeting House Road, Honeoye Falls, NY 14472. Please contact our Secretary by telephone at (502) 352-7578 if you wish to inspect the list of stockholders prior to the Annual Meeting. This list will also be available for examination during the Annual Meeting using the control number included in your proxy materials. What is the difference between holding shares as a stockholder of record and as a beneficial owner? Stockholder of Record. If your shares are registered directly in your name with our transfer agent, Continental Stock Transfer & Trust Company (“Continental”), you are considered, with respect to those shares, the stockholder of record. The Notice has been sent directly to youbyus. Beneficial Owner. If your shares are held in a brokerage account or by a bank or other nominee, you are considered the beneficial owner of shares held in street name. The Notice has been forwarded to you by your broker, bank or nominee who is considered, with respect to those shares, the stockholder of record. How do I vote? You may vote using any of the following methods: By Internet — Stockholders of record may submit proxies by following the Internet voting instructions on their proxy materials prior to the Annual Meeting. Most stockholders who hold shares beneficially in street name may provide voting instructions by accessing the website specified on the voting instruction form provided by their broker, bank, or nominee. Please check the voting instruction form for Internet voting availability. Please be aware that if you vote over the Internet, you may incur costs such as Internet access charges for which you will be responsible. By Telephone — Stockholders of record may submit proxies by following the telephone voting instructions on their proxy materials prior to the Annual Meeting. Most stockholders who hold shares beneficially in street name may provide voting instructions by telephone by calling the number specified on the voting instruction form provided by their broker, bank, or nominee. Please check the voting instruction form for telephone voting availability. Please be aware that if you submit voting instructions by telephone, you may incur costs such as telephone access charges for which you will be responsible. ByMail — If you would like to receive a paper copy of the proxy card, you must request one. Stockholders of record may submit paper proxies by completing, signing, and dating the proxy card and returning it in the prepaid envelope enclosed with the proxy card. Sign your name exactly as it appears on the proxy. If you return your signed proxy but do not indicate your voting preferences, your shares will be 2 | Hyzon Motors 2023 Proxy Statement

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