HYZN 2023 Proxy Statement

Pursuant to the employment agreement between Mr. Griffin and Hyzon, upon a termination by Hyzon without cause or by the executive for good reason, Mr. Griffin will receive: (i) a lump sum payment equal to 18 months’ base salary (in the case of a qualifying change in control termination, as defined in the employment agreement) or 12 months’ base salary (if there is not a qualifying change in control termination), (ii) a pro-rata bonus for the year of termination, (iii) reimbursement for continued medical benefits for a period of up to 18 months in connection with a qualifying change in control termination or up to 12 months for a qualifying termination not in connection with a change in control and (iv) full vesting of outstanding equity awards under the 2021 Plan (in the case of a qualifying change in control termination) or 12 months’ accelerated vesting of outstanding equity awards under the 2021 Plan (if there is not a qualifying change in control termination). The award agreement evidencing Mr. Gu’s option grant provides that 50% of the option vests in the event of a Qualified HFCT Exit Event (as defined below). The award agreement also provides that if Mr. Gu experiences a termination of employment for any reason prior to the occurrence of a Qualified HFCT Exit Event, then the portion of the option related to the Qualified HFCT Exit Event immediately terminates. In the Letter Agreement between the Company and Mr. Gu from November 2022, the parties confirmed that Mr. Gu’s stock options will continue to be governed by their applicable terms and conditions, and unvested options remain eligible to vest during the period in which Mr. Gu continues to provide services to the Company as a director. For purposes of Mr. Gu’s option grant, “Qualified HFCT Exit Event” means the occurrence of (x) a bona fide and enforceable obligation or obligations, by one or more related buyers pursuant to a single agreement or multiple related agreements, to purchase all of the issued and outstanding shares of Horizon Fuel Cell Technology that are outstanding on the date of grant of the option; provided that such obligation(s) and agreement(s) shall not be subject to any conditions to closing other than those that are usual and customary for transactions under similar circumstances (including legally required regulatory approvals), but for the avoidance of doubt excluding discretionary termination rights such as satisfactory completion of due diligence; or (y) an initial public offering of the equity securities of Horizon Fuel Cell Technology, in either case, subject to the achievement of certain performance metrics related to the valuation of Horizon Fuel Cell Technology. Hyzon Motors 2023 Proxy Statement | 31

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