Bio-Rad Laboratories, Inc. to Report Third-Quarter 2009 Financial Results Tuesday, November 3, 2009

HERCULES, CA--(Marketwire - October 12, 2009) - 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 third quarter 2009 on Tuesday, November 3, 2009, 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 can access the call by dialing 866-700-7173 (in the U.S.) or 617-213-8838 (international), access number 78653201. The live webcast can be accessed at http://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 96529078 for seven days following the call, and the webcast can be accessed at http://www.bio-rad.com for 30 days.

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 diagnostic 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 85,000 research and industry customers worldwide through its global network of operations. The company employs approximately 6,500 people globally and had revenues exceeding $1.7 billion in 2008. For more information, visit www.bio-rad.com.