Certification of Chief Executive Officer and Chief Financial Officer

EX-32.1 5 dex321.htm CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER Certification of Chief Executive Officer and Chief Financial Officer

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report on Form 10-K/A of BioMarin Pharmaceutical Inc. (the “Company”) for the year ended December 31, 2009, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Jean-Jacques Bienaimé, and Jeffrey H. Cooper, hereby certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in such Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ JEAN-JACQUES BIENAIMÉ

Jean-Jacques Bienaimé

Chief Executive Officer

March 25, 2010

/s/ JEFFREY H. COOPER

Jeffrey H. Cooper

Chief Financial Officer

March 25, 2010