On 17 January 2023, Pengbo (Hainan) and Sumitomo Heavy Industries, Ltd. entered into the Sales Contract, pursuant to which Pengbo (Hainan) agreed to acquire, and SHI agreed to sell, the BNCT Parts, at the initial Sales Contract Price of JPY 436,000,000 (equivalent to approximately HKD 26,502,000) (excluding any withholding tax which shall be borne by Pengbo (Hainan) and subject to any Adjustment). MAINTENANCE SERVICE CONTRACT: On 17 January 2023 (after trading hours), the Company, Pengbo (Hainan) and SHI entered into the Maintenance Service Contract, pursuant to which Pengbo (Hainan) agreed to procure, and SHI agreed to provide, maintenance services for the BNCT Equipment at the consideration of JPY 360,600,000 (equivalent to approximately HKD 21,919,000) (excluding any withholding tax which shall be borne by Pengbo (Hainan)).