Trading Arrangement Notices
BYD COMPANY-R<81211> - Change in Board Lot Size & Parallel Trading

With effect from Friday, 19/09/2025, the board lots for trading in the
H shares (HKD counter: 1211 and RMB counter: 81211) of BYD Company Limited
("BYD Company") will be changed from 500 H shares to 100 H shares, new
share certificate will have the same format and colour as the existing
share certificate.  Accordingly, the parallel trading in the H shares of
BYD Company will commence on Friday, 19/09/2025 under the following
particulars:

Stock Code      Stock Short Name        Board Lot
-----------     -----------------       ---------
1211            BYD COMPANY-100         100 H shares
81211           BYD CO-R-100            100 H shares
2944            BYD COMPANY-500         500 H shares
82944           BYD CO-R-500            500 H shares

Settlement of trading at each counter shall be in respect of the shares
traded at the respective counters.