JOINT ANNOUNCEMENT UNCONDITIONAL MANDATORY CASH OFFERS BY HALCYON SECURITIES LIMITED FOR AND ON BEHALF OF THE OFFEROR TO ACQUIRE ALL THE ISSUED SHARES IN AND TO CANCEL ALL OUTSTANDING SHARE OPTIONS OF i-CABLE COMMUNICATIONS LIMITED (OTHER THAN THOSE ALREADY OWNED ORAGREED TO BE ACQUIRED BY THE OFFEROR AND PARTIES ACTING IN CONCERT WITH IT) PRIOR NOTICE PURSUANT TO RULE 21.2 OF THE TAKEOVERS CODE