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Mittal Steel Co N.V. – ‘20-F’ for 12/31/05 – EX-13.1

On:  Monday, 3/20/06, at 3:27pm ET   ·   For:  12/31/05   ·   Accession #:  1047469-6-3724   ·   File #:  1-14666

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  As Of                Filer                Filing    For·On·As Docs:Size              Issuer               Agent

 3/20/06  Mittal Steel Co N.V.              20-F       12/31/05    7:1.9M                                   Merrill Corp/New/FA

Annual Report of a Foreign Private Issuer   —   Form 20-F
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 20-F        Annual Report of a Foreign Private Issuer           HTML   1.88M 
 2: EX-8.1      Opinion re: Tax Matters                             HTML     10K 
 3: EX-12.1     Statement re: Computation of Ratios                 HTML     17K 
 4: EX-13.1     Annual or Quarterly Report to Security Holders      HTML     10K 
 5: EX-14.1     Code of Ethics                                      HTML      8K 
 6: EX-14.2     Code of Ethics                                      HTML      8K 
 7: EX-14.3     Code of Ethics                                      HTML     10K

EX-13.1   —   Annual or Quarterly Report to Security Holders
Exhibit Table of Contents

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Exhibit 13.1


CERTIFICATIONS OF MITTAL STEEL COMPANY N.V.'S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13(a)-14(b)
UNDER THE EXCHANGE ACT AND SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE UNITED STATES CODE

        In connection with the Annual Report on Form 20-F of Mittal Steel Company N.V. (the "Company") for the year ended December 31, 2005 as filed with the Securities and Exchange Commission (the "Report"), Mr. Lakshmi N. Mittal, as Chief Executive Officer of the Company, and Mr. Aditya Mittal, as Chief Financial Officer of the Company, each hereby certifies that, to the best of his knowledge and belief:


/s/  LAKSHMI N. MITTAL      
Mr. Lakshmi N. Mittal
 Chairman of the Board of Directors and Chief Executive Officer of Mittal Steel Company N.V.
March 17, 2006		    

 
 
 
/s/  ADITYA MITTAL      
Mr. Aditya Mittal
 President and Chief Executive Officer of Mittal Steel Company N.V.
March 17, 2006		    

This certification is furnished as an exhibit to the Report and accompanies the Report pursuant to Rule 13(a)-14(b) under the Securities Exchange Act of 1934, as amended (the "Exchange Act") and shall not be deemed filed by the Company for purposes of Section 18 of the Exchange Act.



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CERTIFICATIONS OF MITTAL STEEL COMPANY N.V.'S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13(a)-14(b) UNDER THE EXCHANGE ACT AND SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE UNITED STATES CODE

Dates Referenced Herein   and   Documents Incorporated by Reference

This ‘20-F’ Filing    Date    Other Filings
Filed on:3/20/06
3/17/066-K
For Period End:12/31/05
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Filing Submission 0001047469-06-003724   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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