Antengene Corporation Limited (Antengene-B) has issued the formal proxy circular for its annual general meeting (AGM) scheduled for 10 June 2026 at 10:30 a.m., to be held both online and at the company’s Shanghai office, Suites 1206-1209, Block B, Zhongshan SOHO Plaza.

Key ordinary resolutions to be put to shareholders include:

• Financial Statements: Approval of the audited consolidated financial statements for the year ended 31 December 2025, together with the directors’ and auditor’s reports.

• Board Composition: Re-election of Ms. Jing Qian and Mr. Sheng Tang as independent non-executive directors, and authorisation for the board to determine directors’ remuneration.

• Auditor: Re-appointment of Ernst & Young as external auditor, with the board authorised to set its remuneration.

• Capital Management: – A general mandate permitting the board to issue new shares, including the sale or transfer of any treasury shares. – A separate mandate to repurchase the company’s shares. – An extension of the issuance mandate by the number of shares repurchased under the buy-back mandate.

One special resolution will ask shareholders to approve amendments to the company’s Articles of Association and adopt a new Memorandum and Articles of Association.

Shareholders wishing to vote by proxy must lodge completed forms with Computershare Hong Kong Investor Services Limited no later than 48 hours before the meeting. Attendance and voting rights remain available to shareholders who choose to join the meeting in person or online.