VOLUNTARY ANNOUNCEMENT IN RELATION TO THE SALE AND PURCHASE OF THE ENTIRE INTEREST IN HERO BOOM INTERNATIONAL LIMITED Post date July 6, 2017 ← DISCLOSEABLE TRANSACTION – PROVISION OF CORPORATE GUARANTEE → PROPOSALS INVOLVING (I) RE-ELECTION OF RETIRING DIRECTOR AND CONTINUOUS APPOINTMENT OF AN INDEPENDENT NON-EXECUTIVE DIRECTOR WHO HAS SERVED MORE THAN NINE YEARS AND (II) GRANT OF GENERAL MANDATE TO REPURCHASE SHARES