Certification of Periodic Report
I, Christine A. Tsingos, Chief Financial Officer of Bio-Rad Laboratories, Inc. (the Company), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:
the Annual Report on Form 10-K of the Company for the year ended December 31, 2009 (the Report) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); and
the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
February 26, 2010
/s/ Christine A. Tsingos
Christine A. Tsingos
Chief Financial Officer