6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

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FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

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Dated June 11, 2010

Commission File Number: 333-146371

ARCELORMITTAL

(Translation of registrant’s name into English)

19 Avenue de la Liberté

L-2930 Luxembourg

Luxembourg

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  x                               Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): _____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): _____

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes   o                                        No x

If “Yes” marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):  82-________

On June 11, 2010, ArcelorMittal issued the press release attached hereto as Exhibit 99.1 hereby incorporated by reference into this report on Form 6-K.

Exhibit List

Exhibit No.		Description
Exhibit 99.1	Press release dated June 11, 2010 announcing that ArcelorMittal launches offer to acquire minority shareholding in ArcelorMittal Ostrava a.s.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: June 11, 2010

By:	/s/ Henk Scheffer
	Name:	Henk Scheffer
	Title:	Company Secretary

Exhibit Index

Exhibit No.		Description
Exhibit 99.1	Press release dated June 11, 2010 announcing that ArcelorMittal launches offer to acquire minority shareholding in ArcelorMittal Ostrava a.s.

EX-99.1

news release

ArcelorMittal launches offer to acquire minority shareholding in ArcelorMittal Ostrava a.s.

Luxembourg, 11 June 2010 (16:00 CET) - The shareholders of ArcelorMittal Ostrava a.s. today agreed at an Extraordinary General Meeting in Ostrava that ArcelorMittal would acquire the 3.57% of the company's shares that it does not already own.

The price per share of 4,000 CZK offered by ArcelorMittal is based on an independent expert valuation of ArcelorMittal Ostrava a.s. conducted by PriceWaterhouseCoopers Ceska republika and was agreed to be fair by theBoard of Directors of ArcelorMittal Ostrava a.s. The total consideration for the minority share will be 1,769,648,000 CZK (approximately 82 million USD) and will be paid to the relevant shareholders later this year.

In January 2010, ArcelorMittal increased its stake in ArcelorMittal Ostrava a.s. to 96.43% thereby enabling it to exercise its right to acquire all outstanding shares in ArcelorMittal Ostrava a.s., as provided under the Czech Commercial Code.

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