DESPATCH OF CIRCULAR IN RELATION TO (1) PROPOSED RIGHTS ISSUE OF RIGHTS SHARES ON THE BASIS OF ONE RIGHTS SHARE FOR EVERY ONE EXISTING SHARE OF THE COMPANY AT HK$0.109 PER RIGHTS SHARE; (2) APPLICATION FOR WHITEWASH WAIVER; (3) PROPOSED CHANGE IN BOARD LOT SIZE; (4) CLOSURE OF REGISTER OF MEMBERS; AND (5) NOTICE OF GENERAL MEETING