Bio-Rad Laboratories Incorporated (BIO)

[buhg1b]

Bio-Rad Releases Detailed Brochure on its Bio-Plex Suspension Array System

HERCULES, Calif.- April 28, 2008 - Bio-Rad Laboratories, Inc. (AMEX: BIO and BIOb), a multinational manufacturer and distributor of life science research and clinical diagnostic products, today announced the availability of a product brochure on its BioPlexR suspension array system.

Entitled "Bio-Plex Suspension Array System", the 22-page product brochure covers features and benefits of the Bio-Plex system including workstation software, assay development tools, and the various Bio-Plex ProT assays. The brochure provides detailed lists of all of its available assays for the system in addition to ordering information.

The Bio-Plex suspension array system is a powerful array technology platform that offers reliable multiplex assays. The system is composed of all of the products necessary for a complete workflow, from sample preparation reagents and diluents to sophisticated data analysis software. The fully integrated system can enable protein and nucleic acid researchers to analyze up to 100 biomolecules in a single sample, with accurate reproducible assay results.

The assays are multiplexable bead-based assays based on xMAP technology and optimized for the Bio-Plex suspension array system. The assays and associated products include cytokines, chemokines, growth factors, diabetes, acute phase, angiogenesis, phosphoproteins, and isotyping.

Bio-Plex assays can also be run on the Luminex 100 or 200 systems.

Availability

The brochure is available either from a local Bio-Rad sales office or it can be requested by visiting the Bio-Rad web site at http://www.bio-rad.com/bio-plexassays.

About Bio-Rad

Bio-Rad Laboratories, Inc. (AMEX: BIO and BIOb) 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 6,300 people globally and had revenues approaching $1.5 billion in 2007. For more information, visit www.bio-rad.com.

For more information contact:

Emily C. Dale

Bio-Rad Laboratories, Inc.

510-741-6571

[e-mail]