GD-HKGBA HLDGS (01396) announced that the board lot size for trading its shares with a par value of HK$0.10 each on the Main Board of The Stock Exchange of Hong Kong Limited (SEHK) will be changed from 8,000 shares to 2,000 shares. The adjustment will take effect from 9:00 a.m. on Monday, November 24, 2025.