Corporate Data

Corporate Data (As of March 31, 2009)

1.Corporate Name	Sumitomo Metal Mining Co., Ltd.
2.Address of Head Office	11-3, Shimbashi 5-chome Minato-ku, Tokyo 105-8716, Japan (Shimbashi Sumitomo Building)
3.Year of Foundation	1590
4.Year of Incorporation	1950
5.Paid-In Capital	93.2 billion yen
6.Number of Employees	Consolidated subsidiaries included: 9,312; SMM only: 2,154
7.Net Sales	Consolidated net sales: 793.8 billion yen; SMM only: 643.4 billion yen (fiscal 2008)
8.Recurring Profit	Consolidated:32.6 billion yen SMM only: 9.1 billion yen (fiscal 2008)
9.Operations	Mining, Smelting and Refining, Manufacturing of Semiconductor and Advanced Materials, and others

April 1, 2009