Arcelor Mittal increases European flat carbon steel prices

Rotterdam/Luxembourg, February 13, 2007 - Arcelor Mittal announces an average price increase of 5% on its flat carbon products for general industry sales in Europe in the context of a favourable overall market environment. Arcelor Mittal will also launch a unified and modified price list of extras for qualities and dimensions as part of the ongoing commercial integration of its European flat carbon steel division. The price increase and the new price list will be applicable as of April 1, 2007.

About Arcelor Mittal

Arcelor Mittal is the world's number one steel company, with 330,000 employees in more than 60 countries. The company brings together the world's number one and number two steel companies, Arcelor and Mittal Steel.

Arcelor Mittal is the leader in all major global markets, including automotive, construction, household appliances and packaging, with leading R&D and technology, supplies of raw materials and outstanding distribution networks. An industrial presence in 27 European, Asian, African and American countries exposes the company to all the key steel markets, from emerging to mature, positions it will be looking to develop in the high-growth Chinese and Indian markets.

Arcelor Mittal key pro forma financials for the first nine months of 2006 show combined revenues of USD 65.4 billions, with approximate production capacity of 130 million tonnes a year, representing around 10 per cent of world steel output.

Arcelor Mittal is currently listed under the legal entity Mittal Steel NV on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MTP), Brussels (MTBL), Luxembourg (MT) and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid (MTS) and Valencia.