Zhuhai Keyu Biological Engineering Co., Ltd. disclosed the "Announcement on Restricted Share Grant under Share Incentive Plan" (Announcement No. 2023-036) on May 5, 2023 on the information disclosure designated by National Small and Medium-sized Enterprises Stock Transfer System (www.neeq.com.cn). (Announcement No. 2023-036) on the information disclosure platform designated by the National Small and Medium Enterprises Stock Transfer System () on 5 May 2023, in which it disclosed the "Announcement of Restricted Share Award under the Share Incentive Scheme" (Announcement No. 2023-036), which stipulated the restricted share award in "V. Payment Arrangement". The "Announcement of Restricted Share Grant under Share Incentive Scheme" (Announcement No. 2023-036) was disclosed on the information disclosure platform designated by the National Small and Medium Enterprises Stock Transfer System , in which it was stipulated in "V. Payment Arrangement" that the subscription and payment dates for the Restricted Shares would be from 5 May 2023 to 19 May 2023.

Due to the failure of individual subscribers to deposit the subscription funds into the designated account of the Company within the specified period, upon the Company's discussion, the Company is now extending the payment deadline specified in the Announcement of Restricted Stock Grant under the Equity Incentive Plan to The extended payment deadline is May 24, 2023 (inclusive).

Except for the matters mentioned above, there are no other changes in the Announcement on Grant of Restricted Shares under the Share Incentive Scheme of the Company. Please refer to the relevant documents announced by the Company on the information disclosure platform designated by the National Small and Medium-sized Enterprises Stock Transfer System for other matters relating to the Share Incentive Scheme. For other contents related to the Share Incentive, please refer to the relevant documents announced by the Company on the information disclosure platform designated by the National SME Stock Transfer System.