UNION MINIERE HAS CHANGED ITS NAME TO UMICORE

[Translation] Ref. PDI.B.02.55/2001 6 September 2001 To : President The Stock Exchange of Thailand Re. : Union Miniere has changed its name to Umicore Padaeng Industry Public Company Limited would like to inform that n.v.Union Miniere s.a.- UM, the shareholder of PDI has changed the name of the company to "n.v. Umicore s.a." as of 3 September 2001. Please be notified accordingly. Yours truly, - Signature - (Pinit Vongmasa) Chief Executive Officer Board Secretary Division Tel. 661 9900 Ext. 1402, 1501 Page 1 of 1