Supplemental announcement

VOLUNTARY ANNOUNCEMENT IN RELATION TO THE STRATEGIC COOPERATION IN A NEW BUSINESS

Interim results announcement for the six months ended 30 June 2019

Discloseable transaction: Disposal of the entire equity interests of Grand Athena Limited and Polaris Spark Limited

Clarification announcement

List of Directors and their roles and function

Change of Directors

Profit warning

Announcement

Date of Board meeting

List of Directors and their roles and function

Re-designation of Director

List of Directors and their roles and function

(1) Resignation of Directors; and (2) Re-designation of Directors

Memorandum of understanding in relation to possible acquisition of not more than 10% equity interest in a company holding coal mine exploration right

List of Directors and their roles and function

Resignation of Director

List of Directors and their roles and function

(1) Appointment of Directors; and (2)Re-designation of Directors

List of directors and their roles and function

Appointment of Directors

Supplemental Announcement - Discloseable Transaction

Discloseable Transaction: Disposal of the Entire Equity Interests of Cosmo Soar Limited

Change of Address of Hong Kong Branch Share Registrar and Transfer Office

List of directors and their role and function

Appointment of Non-executive Director

Poll Results of Annual General Meeting

Notice of Annual General Meeting

Annual Results Announcement for the year ended 31 December 2018

Postponement of Board Meeting

Profit Warning

Adjustments to Conversion Price and Number of Conversion Shares of Convertible Bonds

Notification of Board Meeting

Grant of Share Options

Completion of Placing of New Shares Under General Mandate