WuXi AppTec Co., Ltd. disclosed that on 5 June 2026 it repurchased 843,200 H-shares on the Hong Kong Stock Exchange, spending HKD 105.71 million. The shares were acquired at prices ranging from HKD 123.50 to HKD 129.30, with a volume-weighted average cost of HKD 125.37 per share.

The transaction reduced the company’s outstanding H-share float (excluding treasury shares) by 0.17%, from 502.30 million to 501.45 million shares. All repurchased shares were retained as treasury stock, lifting the treasury balance from 8.18 million to 9.02 million shares. Total issued shares remain unchanged at 510.48 million.

The buyback forms part of a mandate approved on 28 April 2026 that authorises the repurchase of up to 298.38 million shares. Including the latest transaction, WuXi AppTec has repurchased 9.02 million shares under this mandate, representing 0.30% of the company’s issued share capital at the date the authorisation was granted.

Under Hong Kong listing rules, the company is restricted from issuing new shares or disposing of treasury shares until 5 July 2026. All procedures related to the repurchase complied with applicable regulations and board authorisations.