Trading Arrangement Notices
GENSCRIPT BIO<01548> - Change in Board Lot Size & Parallel Trading

With effect from Wednesday, 14/10/2026, the board lots for trading in
the ordinary shares (stock code: 1548) of Genscript Biotech Corporation
("Genscript Biotech") will be changed from 2,000 shares to 1,000 shares,
new share certificate will have the same format and colour as the existing
share certificate.  Accordingly, the parallel trading in the ordinary
shares of Genscript Biotech will commence on Wednesday, 14/10/2026 under
the following particulars:

Stock Code      Stock Short Name        Board Lot
-----------     -----------------       ---------
1548            GENSCRIPT B-1K          1,000 shares
2945            GENSCRIPT B-2K          2,000 shares

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