Certain H Shares of Beijing SinoHytec Co., Ltd. are subject to a Lock-Up Agreement Ending on 12-JUL-2023. These H Shares will be under lockup for 182 days starting from 11-JAN-2023 to 12-JUL-2023.

Details:
Our Company has undertaken to each of the Joint Sponsors, the Joint Global
Coordinators, the Joint Bookrunners, the Joint Lead Managers and the Hong Kong
Underwriters that except: (a) pursuant to the Global Offering (including the Over-allotment
Option); or (b) with the prior written consent of the Joint Sponsors and the Joint Global
Coordinators (for themselves and on behalf of the Hong Kong Underwriters); and unless in
compliance with the Listing Rules, we shall not, during a period of six months from the
Listing Date (the ‘‘First Six-Month Period’’)

In the event that, during the period of six months commencing on the date on which
the First Six-Month Period expires (the ‘‘Second Six-Month Period’’), our Company enters
into any of the transactions specified in paragraph (a), (b) or (c) above or offers to or agrees
to or announces any intention to effect any such transaction, our Company shall take all
reasonable steps to ensure that such transaction, agreement or, as the case may be, such
announcement will not create a disorderly or false market in the securities of our Company.