Hong Kong, 20 August 2026—According to the public disclosure filed under Rule 22 of the Hong Kong Code on Takeovers and Mergers, UBS AG increased its equity stake in Guotai Junan International Holdings Ltd by 1.60 million shares on 19 August 2026.

Key transaction data • Net acquisition: 1.60 million shares (1.63 million bought; 0.02 million sold) • Price range: HK$2.8640–HK$2.8693 per share • Net cash outlay: approximately HK$4.60 million • Resultant holding: 672.59 million shares, representing 7.06% of Guotai Junan International’s issued share capital

UBS AG is classified as a Class (6) associate of Guotai Junan International due to its shareholding in the offeree company and confirmed that all trades were executed for its own account. The disclosure forms part of the ongoing privatisation process of Guotai Junan International by way of a scheme of arrangement.