Exhibit 13.1

Certification
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of Title 18, United States Code), each of the undersigned officers of Companhia Vale do Rio Doce (the “Company”), does hereby certify, to such officer’s knowledge, that:

The Annual Report on Form 20-F for the year ended December 31, 2008 of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Form 20-F fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Roger Agnelli                     

Name: Roger Agnelli
Title: Chief Executive Officer
Date: April 28, 2009

/s/ Fabio de Oliveira Barbosa       

Name: Fabio de Oliveira Barbosa
Title: Chief Financial Officer
Date: April 28, 2009