ArcelorMittal Reports the Number of Its Equity Shares and the Relating Number of Voting Rights According to Luxembourg Law of 11 January 2008

Regulatory News:

ArcelorMittal (New York: MT; Amsterdam: MT; Madrid: MTS; Paris: MTP; Brussels: MTBL; Luxembourg: MT), the world’s largest and most global steel company, publishes today, in accordance with the requirements of the Luxembourg law of January 11, 2008 implementing Directive 2004/109/CE (the Transparency Directive) and article 9 of regulation (CE) no. 1606/2002, the following information regarding its issued and outstanding equity shares and voting share capital:

• Number of ordinary shares outstanding at January 31, 2008: 1,448,826,347.
• Number of ordinary shares held as treasury shares at January 31, 2008 for which the right to vote is suspended as required by Luxembourg law: 32,156,835.

The difference between the two above numbers yields the number of voting ordinary shares outstanding at January 31, 2008: 1,416,669,512. Each ordinary share gives right to one vote.

This information will be available starting today on www.arcelormittal.com under “Shareholders & Investors – Share Information” and will be updated as necessary.

About ArcelorMittal

ArcelorMittal is the world's largest and most global steel company, with 310,000 employees in more than 60 countries. The company brings together the world's number one and number two steel companies, Arcelor and Mittal Steel.

ArcelorMittal is the leader in all major global markets, including automotive, construction, household appliances and packaging, with leading R&D and technology, as well as sizeable captive supplies of raw materials and outstanding distribution networks. An industrial presence in 28 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.

ArcelorMittal key pro forma financials for 2007 show revenues of USD 105.2 billion, with a crude steel production of 116 million tonnes, representing around 10 per cent of world steel output.

ArcelorMittal is listed 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 and Valencia (MTS).