Regulatory News:

Following changes in the composition of its Board of Directors at its Annual General Meeting on May 2009, ArcelorMittal announces that its Board of Directors has decided to update the composition of its Committees at Board level and create a new Risk Committee.

ArcelorMittal’s Audit Committee is now composed as follows:

Mr. Narayanan Vaghul, Chairman

Mr. José Ramón Álvarez Rendueles

Mr. Wilbur L. Ross Jr.

Mr. Antoine Spillman

ArcelorMittal’s Appointments, Remuneration & Corporate Governance Committee is now composed as follows:

Mr. Lewis B. Kaden, Chairman

H.R.H. Prince Guillaume de Luxembourg

Mr. Narayanan Vaghul

The ArcelorMittal Board decided to install a new Risk Committee at Board level in line with recent developments in best practice corporate governance. The Risk Committee is composed as follows:

Mr. Georges Schmit

Mr. Antoine Spillmann

The Risk Committee is responsible for advising the Board of Directors on risk management and ensuring that ArcelorMittal maintains an effective risk management process to support daily management and decision-making.

Sudhir Maheshwari, member of ArcelorMittal’s Group Management Board, becomes Chairman of the newly formed Group Risk Management Committee. He will represent the management during Risk Committee meetings.

About ArcelorMittal

ArcelorMittal is the world's leading steel company, with operations in more than 60 countries.

ArcelorMittal is the leader in all major global steel 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. With an industrial presence in over 20 countries spanning four continents, the Company covers all of the key steel markets, from emerging to mature.

Through its core values of sustainability, quality and leadership, ArcelorMittal commits to operating in a responsible way with respect to the health, safety and wellbeing of its employees, contractors and the communities in which it operates. It is also committed to the sustainable management of the environment and of finite resources. ArcelorMittal recognises that it has a significant responsibility to tackle the global climate change challenge; it takes a leading role in the industry's efforts to develop breakthrough steelmaking technologies and is actively researching and developing steel-based technologies and solutions that contribute to combat climate change.

In 2008, ArcelorMittal had revenues of $124.9 billion and crude steel production of 103.3 million tonnes, representing approximately 10 per cent of world steel output.

ArcelorMittal is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MT), Brussels (MT), Luxembourg (MT) and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid and Valencia (MTS).

For more information about ArcelorMittal visit: www.arcelormittal.com

Contact information ArcelorMittal Investor Relations
Europe +352 4792 2652
Americas +1 312 899 3569
Retail +352 4792 2434
SRI +44 203 214 2854
Bonds/Credit +33 1 71 92 10 26
or
Contact information ArcelorMittal Corporate Communications
E-mail:
press@arcelormittal.com
Phone: +352 4792 5000
or
ArcelorMittal Corporate Communications
Giles Read (Head of Media Relations) +44 20 3214 2845
Arne Langner +352 4792 3120
Jean Lasar +352 4792 2359
Lynn Robbroeckx +352 4792 3193
or
ArcelorMittal (Americas)
Bill Steers +1 312 899 3817
Adam Warrington +1 312 899 3596
or
United Kingdom
Maitland Consultancy:
David Sturken / Martin Leeburn + 44 20 7379 5151
or
France
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Tiphaine Hecketsweiler / Grégoire Lucas +33 1 5370 7470
or
Spain
Ignacio Agreda +34 94 489 4162
Oscar Fleites +34 98 512 60 29
or
India
Abhinav Kanchan +91 11 467 594 05
Sunanda Sanganeria +91 11 467 594 24