PROPOSALS FOR GENERAL MANDATES TO REPURCHASE SHARES AND ISSUE SHARES, RE-ELECTION OF RETIRING DIRECTORS AND CONTINUOUS APPOINTMENT OF INDEPENDENT NON-EXECUTIVE DIRECTOR WHO HAS SERVED FOR MORE THAN NINE YEARS, ADOPTION OF THE AMENDED AND RESTATED MEMORANDUM AND ARTICLES OF ASSOCIATION, ADOPTION OF NEW SHARE OPTION SCHEME AND NEW SHARE AWARD SCHEME, TERMINATION OF EXISTING SHARE OPTION SCHEME AND EXISTING SHARE AWARD SCHEME AND NOTICE OF ANNUAL GENERAL MEETING