WuXi XDC Cayman Inc. has authorised the issue of 4.85 million restricted shares on 8 April 2026 under its 2024 Share Scheme. The grant covers 425 participants, comprising three executive directors and 422 other employees of the Group.

Key terms • Grant size: 4.85 million restricted shares at a nil purchase price. • Market reference: HK$60.65 per share on the grant date, implying a notional market value of HK$294.37 million. • Vesting: 25 % of the award will vest on each anniversary of the grant date over four years, subject to annual performance assessments. • Claw-back: Unvested or vested shares are subject to forfeiture and reimbursement if a grantee is dismissed for cause or convicted of an integrity-related offence.

Director participation • Dr. Jincai Li (CEO) – 155,300 shares. • Mr. Jerry Jingwei Zhang (COO) – 80,200 shares. • Mr. Xiaojie Xi (CFO & Company Secretary) – 128,700 shares. Total to directors: 364,200 shares (7.51 % of the overall grant). All three directors abstained from voting on their respective awards; the full Board, including independent non-executive directors, approved the grant.

Scheme capacity Following this issuance, 21.04 million shares remain available under the overall scheme mandate limit of 35.94 million shares. For the Service Provider sub-limit, 3.59 million shares are still unallocated.

Regulatory position The grant does not require separate shareholder approval, and no individual award exceeds 1 % of the company’s issued share capital within any 12-month period, consistent with Hong Kong Listing Rules.