Arcelor Mittal: Annual General Meeting of Shareholders.

ROTTERDAM, Netherlands & LUXEMBOURG -- Regulatory News:

Mittal Steel Company N.V (Mittal Steel) today gives notice of the change of date of its Annual General Meeting of Shareholders (AGM) from 15 May 2007. The AGM will no longer be held on that date and will instead be held on 12th June at 2pm at Hotel Okura Amsterdam, Ferdinand Bolstraat 333, 1072 LH Amsterdam, The Netherlands.

The agenda for the Annual Meeting, containing proposals made by the Board of Directors, is as follows:

1. Opening by the Chairman of the Board of Directors.

2. Report of the Board of Directors on the course of the Company's business and the conduct of its affairs during, and the annual accounts for, the fiscal year ended December 31, 2006 ("fiscal 2006").

3. Proposal to adopt the annual accounts for fiscal 2006. (resolution)

4. Report on the policy of the Company concerning reserves and dividends.

5. Proposal to continue to pay a quarterly dividend of US$ 0.325 per share, subject to final determination by the Board of Directors. (resolution)

6. Proposal to approve the management performed by the Directors "A" of the Board of Directors during fiscal 2006, including discharge of the Directors "A" of the Board of Directors from liability in respect of the exercise of their duties during fiscal 2006. (resolution)

7. Proposal to approve the supervision performed by the Directors "C" of the Board of Directors during fiscal 2006, including discharge of the Directors "C" of the Board of Directors from liability in respect of the exercise of their duties during fiscal 2006. (resolution)

8. Proposal to ratify the decision of the Board of Directors to appoint Mr. Lakshmi N. Mittal as Chief Executive Officer of the Company as of 5 November 2006. (resolution)

9. Proposal to designate Mrs. Usha Mittal as the person referred to in Article 23 of the Articles of Association of the Company. (resolution)

10. Proposal to re-appoint Deloitte Accountants as the registered accountant of the Company. (resolution)

11. Proposal to change the remuneration of the Directors "C" of the Board of Directors. (resolution)

12. Proposal to designate the Board of Directors as authorized corporate body (orgaan) to repurchase Class A shares in the capital of the Company until 12 December 2008. (resolution)

13. Proposal to extend the authority of the Board of Directors for a period of one (1) year (until the Annual Meeting to be held in 2008) to issue and/or grant rights to subscribe for shares with respect to ten percent (10%) of the unissued Class A shares in which the authorized share capital is divided into at the time the resolution to issue and/or grant rights to subscribe for shares will be taken by the Board of Directors. (resolution)

14. Proposal to extend the authority of the Board of Directors for a period of one (1) year (until the Annual Meeting to be held in 2008) to limit or exclude the pre-emptive rights to Class A shares in the capital of the Company. (resolution)

15. Questions / any other item with permission of the Chairman.

16. Closing.

About Arcelor Mittal 

Arcelor Mittal is the world's number one steel company, with 320,000 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, as well as sizeable captive 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 2006 show combined revenues of USD 88.6 billions, with a crude steel production of 118 million tonnes, representing around 10 per cent of world steel output.

Arcelor Mittal 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 (MTS) and Valencia.