ArcelorMittal: Declaration of Dividend

ArcelorMittal: Declaration of Dividend

ArcelorMittal (Mittal Steel Company N.V.) has declared a dividend of US$ 0.325 per share payable on 17 September 2007.

The cash dividend will be payable on 17 September 2007 to Euronext Amsterdam, Euronext Brussels, Euronext Paris, Luxembourg Stock Exchange and Spanish Exchanges shareholders of record on 4 September 2007 (”European Shareholders”) and to NYSE shareholders of record on 5 September 2007. The share will be trade ex-dividend starting 31 August 2007. European Shareholders will receive US$ 0.325 per share in Euros, based on the ECB US$/Euro exchange rate of 30 August 2007, and NYSE shareholders will receive US$ 0.325 per share, both payable from 17 September 2007 onwards.

Since Mittal Steel Company N.V. is expected to merge into ArcelorMittal S.A., a Luxembourg company (“first step merger”), on 3 September 2007, subject to effectiveness of this merger, the cash dividend will be paid by ArcelorMittal S.A., the legal successor of Mittal Steel Company N.V.

In the first step merger, a shareholder of Mittal Steel Company N.V. will receive one ArcelorMittal S.A. share for each Mittal Steel Company N.V share and the amount of this cash dividend per share will not change as a result of this merger. The record date 4 September 2007 for European Shareholders, the record date 5 September 2007 for NYSE shareholders and the date on which the share will start trading ex-dividend (31 August 2007) will not change as a result of this merger.

Assuming effectiveness of the first step merger, the payment will be subject to a 15% Luxembourg dividend withholding tax, since the payment will be made by ArcelorMittal S.A., a Luxembourg company.