0428 Notice of Annual General Meeting 0330 Final Dividend for the year ended 31 December 2022 0330 Final Results for the Year Ended 31 December 2022 2003 Date of Board Meeting 2402 INSIDE INFORMATION

1512 LIST OF DIRECTORS AND THEIR ROLE AND FUNCTION 1512 APPOINTMENT OF INDEPENDENT NON-EXECUTIVE DIRECTOR 0901 Major Transaction - Main Contractor Construction Contract 0818 Interim Dividend for the Six Months Ended 30 June 2022 0818 Interim Results for the Six Months Ended 30 June 2022 0808 Date of Board Meeting 0801 Change of Address of Hong Kong Branch Share Registrar and Transfer Office 0718 MAJOR TRANSACTION - MAIN CONTRACTOR CONSTRUCTION CONTRACT - GRANT OF WAIVER FROM STRICT COMPLIANCE WITH RULE 14.41(A) OF THE LISTING RULES AND DELAY IN DESPATCH OF CIRCULAR

0901 Clarification Announcement Regarding Interim Results for the Six Months Ended 30 June 2021 0830 Interim Dividend for the Six Months Ended 30 June 2021 0830 Interim Results for the Six Months Ended 30 June 2021 0818 Date of Board Meeting 0817 Positive Profit Alert 0720 Changes of Authorised Representatives and Agents for the Service of Process in Hong Kong 0604 List of Directors and their Role and Function 0604 Poll Results of Annual General Meeting held on 4 June 2021; Retirement of Independent Non-executive Director; Re-designation of Director ; and Changes of Composition of Board Committees