Form of Proxy for use at the Extraordinary General Meeting to be held on 23 November 2006

(1) Discloseable transaction relating to the establishment of a joint venture enterprise and allotment of consideration shares; (2) placing of redeemable convertible preference shares; and (3) connected transaction relating to the issue of redeemable convertible preference shares to the Directors of the Company

Form of Proxy for use at the Annual General Meeting to be held on 31 August 2006

(1) Re-election of Directors; (2) general mandate to issue new shares; (3) general mandate to repurchase the Company's own shares; (4) amendment of Articles of Association; and (5) Annual General Meeting for Year 2006

Form of Proxy for use at the Extraordinary General Meeting to be held on 16 June 2006

(1) US$20 million 12% guaranteed convertible bond due 2009; (2) proposed grant of options; (3) renewal of the scheme mandate limit; and (4) change of auditors

Form of Proxy for use at the Extraordinary General Meeting to be held on 8 February 2006

(1) Proposed formation of a joint venture company; (2) allotment of the Consideration Shares; (3) possible very substantial disposal resulting from proposed disposal of an interest in the Target Company; and (4) proposed adoption of the Target Company Scheme