China BlueChemical Ltd. (the “Company”, HKEX: 3983) cordially invites you or your representative to an investor presentation to be held on27August2007(Monday)in respect of the Company’s half year results for the six months ended 30 June 2007.

　　Subject:　　　　2007 Interim Results AnnouncementSpeakers:　　Mr. Wu Mengfei, Chairman　　Mr. Yang Yexin, CEO & President　　& Senior ManagementDate:　　27 August 2007 (Monday)Time:　　9:30amVenue:　　TaiShan Room, 5/F, 　Island Shangri-La Hong Kong　　Admiralty, Hong KongLanguage:　　EnglishEnquiries:　　Ms. Arlene Wong at (852) 2864 4899 or arlene.wong@sprg.com.hk　　Ms. Annie Choi at (852) 2864 4837 or annie.choi@sprg.com.hk

　　　

　　About China BlueChemical Ltd.

　　China BlueChemical Ltd. is one of the largest and most efficient nitrogenous fertilizer producers in China in terms of production volume and energy consumption. It is the only company in the CNOOC family that engages in the production of downstream mineral fertilizers and synthetic chemical products. Its production facilities are located in Hainan and Inner Mongolia, China, with a total designed annual production capacity of 1,840,000 tonnes of urea and 800,000 tonnes of methanol. China BlueChemical Ltd. has secured long-term natural gas supply for its Hainan Plant.

　　　　 　　

　　Reply Slip　　 To　　 : Strategic Financial Relations (China) Limited

　　By fax : (852) 2527 1271

　

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