Amendment No. 3 to Amended and Restated Credit Agreement ("Amendment No. 3"), by and among Bio-Rad Laboratories, Inc. (the "Company"), the lenders referred to therein, and JPMorgan Chase Bank, N.A. (successor by merger to Bank One, NA (Main Office Chicago), as lender and contractual representative), executed as of January 17, 2008, became effective by its terms as of May 18, 2009, which amends certain provisions of that certain Amended and Restated Credit Agreement dated as of June 21, 2005, as amended on August 26, 2005 and September 27, 2007 (the "Credit Agreement"), including, among other things, (i) increasing the amount of certain unsecured or subordinated indebtedness permitted by the Credit Agreement in an amount up to $300 million under certain conditions, and (ii) increasing the permitted maximum leverage ratio, as such definition has been amended, from 3.25 to 1.00 to 3.50 to 1.00 under certain conditions.

The description of Amendment No. 3 does not purport to be complete and is qualified in its entirety by reference to Amendment No. 3, which is filed as Exhibit 10.1 hereto and incorporated by reference herein.

On May 19, 2009, the Company issued a press release announcing a proposed private offering of $250 million of senior subordinated notes. A copy of the press release is attached as Exhibit 99.1 hereto.

On May 19, 2009, the Company announced the pricing of its offering of $300 million of senior subordinated notes due 2016 to qualified institutional buyers pursuant to Rule 144A and in offshore transactions pursuant to Regulation S under the Securities Act of 1933, as amended. A copy of the press release is attached as Exhibit 99.2 hereto.

(d) Exhibits.

The following exhibits are filed with the Form 8-K:

Exhibit
Number      Description
   10.1     Amendment No. 3 to Amended and Restated Credit Agreement, by
            and among Bio-Rad Laboratories, Inc., the lenders referred to
            herein, and JPMorgan Chase Bank, N.A. as lender and
            contractual representative, executed as of January 17, 2008,
            effective by its terms as of May 18, 2009

   99.1     Press release dated May 19, 2009

   99.2     Press release dated May 19, 2009