Hong Kong, 27 October 2026 – In a disclosure filed under Rule 22 of the Hong Kong Code on Takeovers and Mergers, UBS AG reported a series of on-market trades in the shares of Guotai Junan International Holdings Ltd on 26 October 2026, executed for its own account while the broker is acting as a Class (6) associate of the offeree in the ongoing privatisation by scheme of arrangement.

Transaction summary • Purchases: 1.44 million shares acquired at an average HK$2.86 per share, representing approximately HK$4.11 million. • Sales: 1.69 million shares disposed at an average HK$2.80 per share, generating roughly HK$4.74 million. • Net movement: a disposal of 0.25 million shares, equivalent to a 0.02 percentage-point reduction in equity interest.

Post-transaction position Following the dealings, UBS AG holds 692.80 million Guotai Junan International shares, equal to 7.27 % of the company’s issued share capital.

The disclosure confirms that UBS AG’s transactions were carried out solely for its own account. No other details regarding the privatisation scheme were provided in the filing.