On 6 October 2026, Hong Kong’s Executive received a Rule 22 disclosure indicating that UBS AG, classified as a Class (6) associate of Guotai Junan International Holdings Ltd, executed multiple on-market transactions in the offeree’s shares on 5 October 2026, during the company’s privatisation by scheme of arrangement.

Transaction details: • Purchases: 45,000 shares at an average price close to HK$2.91 per share. • Sales: 539,000 shares at an average price near HK$2.90 per share.

Net outcome: • Net disposal of 494,000 shares on the day. • Post-transaction holding: 700.73 million shares, representing 7.35 % of Guotai Junan International’s issued share capital.

All trades were conducted for UBS AG’s own account, and the bank remains an associate of the offeree through its shareholdings. The disclosure forms part of the ongoing monitoring process related to the proposed privatisation of Guotai Junan International via a scheme of arrangement.