Arcelor Board to Take a Decision on Sunday, June 25 and Set at June 28 the Deadline for Blocking Shares for Upcoming Shareholders' Meeting

The Board met to consider the improvements to the Severstaltransaction proposed by Mr Mordashov.

The Board also received a status report concerning ongoingdiscussions between Mittal Steel and Arcelor.

The Board decided to postpone to June 28 the deadline forshareholders to block shares and file proxies in connection with theirparticipation in person or by authorized representative at theshareholders' meeting of June 30, 2006.

Finally, the Board unanimously decided to meet again on Sunday,June 25 at 10 AM CET, in order to take a decision regarding the latestproposals from Mittal Steel and Mr Mordashov.

About Arcelor

Arcelor is the number one steel company in the world with aturnover of 32.6 billion euros in 2005. The company holds leadershippositions in its main markets: automotive, construction, householdappliances and packaging as well as general industry. The company -number one steel producer in Europe and Latin America - ambitions tofurther expand internationally in order to capture the growthpotential of developing economies and offer technologically advancedsteel solutions to its global customers. In 2006, Arcelor employs110,000 associates in over 60 countries. The company places itscommitment to sustainable development at the heart of its strategy andambitions to be a benchmark for economic performance, labour relationsand social responsibility.

For more information visit www.arcelor.com