On 3 September 2026, UBS AG—classified as a Class (6) associate of Guotai Junan International Holdings Ltd under the Hong Kong Code on Takeovers and Mergers—executed a series of on-market transactions that marginally adjusted its shareholding in the offeree company.

• Purchases: 155,392 shares at HK$2.8850 per share.

• Sales: 1,000 shares at HK$2.8850 and 102,000 shares at HK$2.8829 per share.

Following these dealings, UBS AG’s aggregate holding stands at 686.63 million shares, representing 7.20 % of Guotai Junan International’s issued share capital. All transactions were carried out for UBS AG’s own account.

The disclosure was filed under Rule 22 of the Hong Kong Code in connection with the proposed privatisation of Guotai Junan International by way of scheme of arrangement. No other parties or transaction terms were reported.