JOINT ANNOUNCEMENT POSSIBLE MANDATORY UNCONDITIONAL CASH OFFERS BY OCTAL CAPITAL LIMITED AND FORTUNE ORIGIN SECURITIES LIMITED FOR AND ON BEHALF OF THE OFFEROR TO ACQUIRE ALL THE ISSUED SHARES OF LFG INVESTMENT HOLDINGS LIMITED (OTHER THAN THOSE ALREADY OWNED AND/OR AGREED TO BE ACQUIRED BY IT AND THE OFFEROR CONCERT PARTIES) AND THE CANCELLATION OF ALL OUTSTANDING OPTIONS OF LFG INVESTMENT HOLDINGS LIMITED (1) EXTENSION OF LONG STOP DATE ; AND (2) FURTHER DELAY IN DESPATCH OF COMPOSITE DOCUMENT