Proxy Form for use at the Annual General Meeting to be held on 8 June 2022 (or any adjournment thereof)

(1) PROPOSED GRANT OF GENERAL MANDATES TO ISSUE SHARES AND REPURCHASE SHARES; (2) PROPOSED EXTENSION OF ISSUE MANDATE; (3) PROPOSED RE-ELECTION OF RETIRING DIRECTORS; (4) PROPOSED RE-APPOINTMENT OF AUDITORS; (5) PROPOSED ADOPTION OF AMENDED AND RESTATED ARTICLES OF ASSOCIATION; AND NOTICE OF ANNUAL

Annual Report 2021

GRANT OF SHARE OPTIONS

NOTICE OF ANNUAL GENERAL MEETING

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 March 2022

ANNUAL RESULTS ANNOUNCEMENT FOR THE YEAR ENDED 31 DECEMBER 2021

POSITIVE PROFIT ALERT

NOTICE OF BOARD MEETING

Monthly Return of Equity Issuer on Movements in Securities for the month ended 28 February 2022