SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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FORM 6-K
Report of Foreign Issuer
Pursuant to Rule 13a-16 or 15d-16
under the Securities Exchange Act of 1934
Dated December 20, 2006
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Commission File Number: 001-14666
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MITTAL STEEL COMPANY N.V.
(Translation of registrant's name into English)
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15th Floor, Hofplein 20
3032 AC Rotterdam
The Netherlands
(Address of registrant's principal executive offices)
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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
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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 by furnishing the information contained
in this Form, the registrant is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.
Yes No X
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If "Yes, is marked, indicate below the file number assigned to the registrant in
connection with Rule 12g3-2(b): 82-_________.
INDEX
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Exhibit 99.1 Press release announcing the acquisition by Arcelor Mittal of
Sicartsa, the leading Mexican long steel producer.
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.
MITTAL STEEL COMPANY N.V.
Date: December 20, 2006 By: /s/ Henk Scheffer
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Name: Henk Scheffer
Title: Company Secretary
EXHIBIT INDEX
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Exhibit 99.1 Press release announcing the acquisition by Arcelor Mittal of
Sicartsa, the leading Mexican long steel producer.