JST Group Corporation Limited (06687.HK) filed a Next Day Disclosure Return on 03 June 2026, detailing the latest share buyback conducted on the same date.

On-market repurchase details • Volume: 245,000 ordinary shares • Price range: HKD 17.79–18.30 per share • Volume-weighted average price: HKD 18.07 per share • Aggregate consideration: HKD 4.43 million • Shares repurchased for cancellation: 0; all repurchased shares are held as treasury stock.

Capital structure after the transaction • Issued shares (excluding treasury): reduced from 425.84 million to 425.60 million, a 0.058% decrease. • Treasury shares: increased from 10.42 million to 10.67 million. • Total issued shares remain unchanged at 436.26 million.

Repurchase mandate status • Mandate granted on 29 May 2026 authorises the company to buy back up to 42.66 million shares. • Cumulative repurchases under the mandate now total 1.05 million shares, representing 0.246% of the issued share base on the mandate date. • A moratorium on new share issues or disposal of treasury shares is in effect until 03 July 2026.

The company confirms that the repurchase complied with the Listing Rules of The Stock Exchange of Hong Kong Limited.