Announcements and Circulars

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PROPOSED ADOPTION OF NEW ARTICLES OF ASSOCIATION

ANNUAL RESULTS ANNOUNCEMENT FOR THE YEAR ENDED 31 DECEMBER 2021

APPOINTMENT OF JOINT COMPANY SECRETARY

DATE OF BOARD MEETING

MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDED 28 FEBRUARY 2022

MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDE 31 JANUARY 2022

RESIGNATION OF JOINT COMPANY SECRETARY

ELECTION OF MEANS OF RECEIPT AND LANGUAGE OF CORPORATE COMMUNICATIONS AND REPLY FORM

ELECTION OF MEANS OF RECEIPT AND LANGUAGE OF CORPORATE COMMUNICATIONS

DISCLOSEABLE TRANSACTION - PATENT AND KNOW-HOW LICENSE AGREEMENT WITH A*CCELERATE

MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDED 31 DECEMBER 2021

MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDED NOVEMBER 30, 2021

VOLUNTARY ANNOUNCEMENT BUSINESS UPDATE ON PHASE 2B STUDY OF SACITUZUMAB GOVITECAN CONDUCTED IN CHINA OF PATIENTS WITH METASTATIC TRIPLE-NEGATIVE BREAST CANCER MEETS PRIMARY OVERALL RESPONSE RATE ENDPOINT

(1) VOLUNTARY ANNOUNCEMENT INTENTION TO CONDUCT ON-MARKET SHARE REPURCHASE; and (2) SUPPLEMENTAL INFORMATION IN RELATION TO THE ANNUAL REPORT FOR THE YEAR ENDED 31 DECEMBER 2020

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MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDED OCTOBER 30, 2021

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