The board of CanSino Biologics Inc. announced that on February 22, 2023, the company entered into the CBHB Structured Deposit Agreement XIV with China Bohai Bank Co., Ltd. (CBHB), pursuant to which the company agreed to purchase structured deposit in the principal amount of RMB 60 million from CBHB. The principal terms of the CBHB Structured Deposit Agreement XIV are set out as follows: Agreement: CBHB Structured Deposit Agreement XIV; Date of purchase: February 22, 2023; Parties: (a) The Company; and (b) CBHB. Name of the product: CBHB WBS230267 Structured Deposit; Type of return: Principal-guaranteed with variable return; Term of deposit: From February 24, 2023 to August 28, 2023.

Payment of principal and return: The principal and the return of the product will be paid within two working days after the maturity date of the product; Extension rights: In the event that financial instruments underlying the product fail to pay the principal and return in a timely manner, the term of the product will be extended.