Mittal Steel Co. has announced on 26 July 2006 the final results of its offer for Arcelor securities, which expired on 13 July in Belgium, France, Luxembourg, Spain and the USA. As of such date, in the aggregate: 594,549,753 Arcelor shares have been tendered (including Arcelor shares underlying Arcelor ADSs tendered in the US offer); and 19,858,533 Arcelor convertible bonds (OCEANEs 2017) have been tendered; which represent, on a fully-diluted basis, 91.88% of Arcelor’s share capital and 91.97% of Arcelor’s voting rights. Pursuant to Luxembourg and Belgian laws as disclosed in the offer prospectus, as supplemented, there will be a subsequent offering period of the offer in Belgium, France, Luxembourg, Spain and the USA from 27 July 2006 to 17 August 2006. The subsequent offering period will have the same terms and conditions as the initial offering period that ended on 13 July 2006 (except for the minimum tender condition, which has already been met), as provided in the offer prospectus, as supplemented. Pursuant to Luxembourg law, after the end of the subsequent offering period, Arcelor’s remaining shareholders will be entitled to initiate proceedings to sell their shares to Mittal Steel, either for the same consideration as offered in the offer, or at a price of EUR 40.40 per Arcelor share. This sell-out right must be exercised during the three-month period starting on 18 August 2006 and ending on 17 November 2006.