MITSUI MINING&SMELTING CO.,LTD

	2010/05/06		Mitsui Kinzoku to transfer automotive components operations to subsidiary Ohi Seisakusho
	2010/05/06		Flash Report for the Year Ended March 31, 2010
	2010/04/01		Metal Production Plan for the First Half of FY2010
	2010/03/30		Concerning the consolidation of the copper and copper alloy fabricated businesses of Mitsui Mining & Smelting Co., Ltd. and Sumitomo Metal Mining Co., Ltd. (by absorption-type split agreement)
	2010/02/26		Pan Pacific Copper to Make Final Decision of Full-Fledged Development of Caserones Copper and Molybdenum Deposits in Chile, and Mitsui & Company to Participate in the Project

	2010/07/28		Financial Data Book for Investor 2010
	2010/07/16		Updated IR Calendar
	2010/05/25		Meeting on Financial Results for Fiscal Year Ended March 2010
	2010/05/17		FY2009 Results & FY2010 Forecast