Bio-Rad Laboratories Incorporated (BIO)

[SAE]

Bio-Rad to Report Second-Quarter 2011 Financial Results Tuesday, August 2, 2011

Bio-Rad Laboratories, Inc. (NYSE: BIO) and (NYSE: BIO.B), a multinational manufacturer and distributor of life science research and clinical diagnostic products, will report financial results for the second quarter 2011 on Tuesday, August 2, 2011, after the close of the market. The company will discuss these results in a conference call scheduled for 2 PM Pacific Time (5 PM Eastern Time) that day.

Interested parties may access the call by dialing 866-277-1181 (in the U.S.) or 617-597-5358 (international), access number 35139244.

A live webcast of the conference call may be accessed in the "Investor Relations" section of www.bio-rad.com. A replay of the call will be available at 888-286-8010 (in the U.S.) or 617-801-6888 (international), access number 87791245, for seven days following the call. The webcast of the call will be archived on the Bio-Rad site for on-demand replay for up to a year and may be accessed in the "Investor Relations" section of www.bio-rad.com.

About Bio-Rad

Bio-Rad Laboratories, Inc. (NYSE: BIO) and (NYSE: BIO.B) has remained at the center of scientific discovery for more than 50 years, manufacturing and distributing a broad range of products for the life science research and clinical diagnostics markets. The company is renowned worldwide among hospitals, universities, major research institutions, as well as biotechnology and pharmaceutical companies for its commitment to quality and customer service. Founded in 1952, Bio-Rad is headquartered in Hercules, California, and serves more than 100,000 research and industry customers worldwide through its global network of operations. The company employs over 6,800 people globally and had revenues exceeding $1.9 billion in 2010. For more information, please visit www.bio-rad.com.

For more information contact:

Christine Tsingos

Vice President and Chief Financial Officer

or

Ron Hutton

Treasurer

Bio-Rad Laboratories, Inc.

510-724-7000

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