Arcelor S.A. - Dofasco Inc.

Market Wire, March, 2006

                                 PRESS RELEASE

            Arcelor announces that 98.5% of Dofasco's Common Shares
                        have been deposited to its offer

Luxembourg, March 8, 2006 - Arcelor S.A. announces that an additional 7,967,623 common shares of Dofasco Inc. (TSX: DFS), including shares deposited by guaranteed delivery, were deposited to Arcelor's offer to acquire all of the outstanding common shares of Dofasco for CAD$71.00 in cash per Dofasco common share between February 20, 2006, the previous expiry date of the offer, and 8:00 p.m. on March 7, 2006, the latest expiry date of the offer. To date, a total of 77,530,766 common shares of Dofasco, representing 98.5% of all outstanding Dofasco common shares, have been deposited to Arcelor's offer. Payment for all deposited Dofasco common shares, for which payment has not already been made, is expected to be made on or prior to March 10, 2006.

Its offer for Dofasco having expired, Arcelor intends, as soon as permitted, to acquire the remaining Dofasco common shares by means of a statutory compulsory acquisition procedure under the applicable provisions of the Canada Business Corporations Act at the same price as the offer price.

Arcelor also intends, upon acquiring a sufficient number of Dofasco common shares, to de-list the common shares from the Toronto Stock Exchange.

About Dofasco

Established in 1912, Dofasco is a leading North American steel solutions provider. Product lines include hot rolled, cold rolled, galvanized, Extragal (TM), Galvalume(TM), and tinplate flat rolled steels, as well as tubular products, laser-welded blanks and Zyplex(TM), a proprietary laminate. Dofasco's wide range of steel products is sold to customers in the automotive, construction, energy, manufacturing, pipe and tube, appliance, packaging and steel distribution industries. The company has additional operations in Canada, the United States and Mexico. Dofasco also owns 98.7% of Quebec Cartier Mining (QCM). QCM owns and operates the Mont-Wright open pit mine and a pellet plant at Port-Cartier.

About Arcelor

Arcelor is the number one steel company in the world with a turnover of 32.6 billion euros in 2005. The company holds leadership positions in its main markets: automotive, construction, household appliances and packaging as well as general industry. The company - number one steel producer in Europe and Latin America - ambitions to further expand internationally in order to capture the growth potential of developing economies and offer technologically advanced steel solutions to its global customers. Arcelor employs 96,000 associates in over 60 countries. The company places its commitment to sustainable development at the heart of its strategy and ambitions to be a benchmark for economic performance, labour relations and social responsibility.

Corporate Communications              Investor relations
Tel.:  352 4792 5000                  E-mail:
E-mail:  press@arcelor.com               investor.relations@arcelor.com 
                                      Martine Hue:  352 4792 2151
Patrick Seyler:  352 4792 2360        00 800 4792 4792 (toll-free, from
Luc Scheer:  352 4792 4455            the EU and  Switzerland)
Jean Lasar:  352 4792 2359             33 1 41 25 9898

(USA and Canada)
Ian Blair (Hill & Knowlton Canada)
 1 (416) 522-0717
 ian.blair@hillandknowlton.ca 

(Spain)
Ignacio Agreda:  34 94 489 4162
Oscar Fleites:  34 98 512 60 29

(France)
Sandra Luneau  33 1 41 25 65 04

Dofasco
Gordon Forstner :  1 905 548 7200







                      This information is provided by RNS
            The company news service from the London Stock Exchange