WuXi AppTec Co., Ltd. (WuXi AppTec) disclosed that it repurchased 978,400 A-shares on 18 June 2026 via the Shanghai Stock Exchange. The transaction, executed to fund the company’s employee stock ownership plan, represents 0.04% of the group’s outstanding share capital prior to the buyback.

The shares were acquired at prices ranging between RMB 97.89 and RMB 104.09 apiece, resulting in an aggregate outlay of RMB 100.01 million. The volume-weighted average price reported in Section I of the filing was HKD 102.22 per share, reflecting currency translation under Hong Kong reporting requirements.

Following the repurchase: • Issued shares outstanding (excluding treasury stock) declined from 2,468.18 million to 2,467.20 million. • Treasury shares increased from 5.10 million to 6.08 million. • Total issued share count, including treasury shares, remained unchanged at 2,473.28 million.

The board confirmed that the repurchase was conducted in accordance with all applicable regulations of both the Shanghai and Hong Kong stock exchanges and that the acquired shares will be held as treasury stock for subsequent allocation to employees. No shares were cancelled as of the reporting date.