0627 Major Transaction - Main Contractor Construction Contract 0614 List of Directors and their Role and Function 0614 Poll Results of Annual General Meeting Held on 14 June 2022 and Retirement of Executive Director 0531 Supplementary Notice of Annual General Meeting 0428 Notice of Annual General Meeting 0401 Clarification Announcement Regarding Final Results for the Year Ended 31 December 2021 and Proposed Amendments to Existing Bye-laws 0401 Final Results for the Year Ended 31 December 2021 and Proposed Amendments to Existing Bye-laws 0331 Final Dividend for the year ended 31 December 2021

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

0831 Interim Results for the Six Months ended 30 June 2020 0819 Date of Board Meeting 0817 Profit Warning 0813 Supplemental Announcement - Discloseable Transaction - Entering into Construction Contract 0810 Discloseable Transaction - Entering into Construction Contract 0731 Change of Address of Principal Place of Business in Hong Kong 0727 Change of Company Secretary 0624 Poll Results of Annual General Meeting held on 24 June 2020