Announcements and Circulars

Notification Letter with Request Form to Non-registered Holders

Notification Letter with Change Request Form to Registered Shareholders

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 March 2024

(1) GRANT OF OPTIONS (2) GRANT OF AWARDS (3) NON-EXEMPTED CONNECTED TRANSACTIONS - PROPOSED AWARD GRANTS TO CONNECTED PERSONS

ANNUAL RESULTS ANNOUNCEMENT FOR THE YEAR ENDED 31 DECEMBER 2023

VOLUNTARY ANNOUNCEMENT VOLUNTARY LOCK-UP UNDERTAKING BY CONTROLLING SHAREHOLDER AND CERTAIN SENIOR MANAGEMENT

DATE OF BOARD MEETING

Monthly Return of Equity Issuer on Movements in Securities for the month ended 29 February 2024

UPDATE IN RELATION TO DISCLOSEABLE TRANSACTION - (1) COLLABORATION AND LICENSE AGREEMENT; AND (2) SHARE ISSUANCE AGREEMENT IN RESPECT OF THE MANUFACTURE, DEVELOPMENT AND COMMERCIALIZATION OF COVID-19 VACCINES AND CERTAIN LICENSED PRODUCTS

LIST OF DIRECTORS AND THEIR ROLES AND FUNCTIONS

CHANGE OF NON-EXECUTIVE DIRECTOR

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 January 2024

VOLUNTARY ANNOUNCEMENT BUSINESS UPDATE

LIST OF DIRECTORS AND THEIR ROLES AND FUNCTIONS

CHANGE OF NON-EXECUTIVE DIRECTOR

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 December 2023

Monthly Return of Equity Issuer on Movements in Securities for the month ended 30 November 2023

VOLUNTARY ANNOUNCEMENT BUSINESS UPDATE ON THE APPROVAL OF NEW DRUG APPLICATION IN CHINA FOR NEFECON FOR THE TREATMENT OF PRIMARY IMMUNOGLOBULIN A NEPHROPATHY IN ADULTS AT RISK OF DISEASE PROGRESSION

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 October 2023

Next Day Disclosure Return