In third graph, first sentence, Twitter username should read @genomicapps (sted @gemomicapps).

The corrected release reads:

AFFYMETRIX DEBUTS SOCIAL MEDIA PRESENCE, RANKED 5 TH AMONG ALL LIFE SCIENCE COMPANIES ON TWITTER

Engaging critical mass of genomics community members on Facebook and Twitter

Affymetrix, Inc. (NASDQ:AFFX) today announced the official launch of its social media presence, joining a rapidly growing genomics community on Facebook, Twitter, LinkedIn, and YouTube, as well as other influential blogs and community sites.

With a critical mass of institutions, key opinion leaders, life scientists, researchers, clinicians, and healthcare professionals using social media, Affymetrix’ online channels will further enable them to showcase their work, create new connections to their peers, and engage in more relevant two-way conversations.

In advance of its formal social media launch, Affymetrix began building a considerable following on Twitter and Facebook through its “@genomicapps” thread, and was recognized as the 5 th top performer among all life sciences companies on Twitter. The rankings were compiled by the Comprendia Bioscience Consulting Group.

“Hearing instantly from researchers in a candid, two-way dialog allows us to understand what is top-of-mind at any given moment,” said Annette Summers, Senior Director of Integrated Communications at Affymetrix. “Social media also enables our customers and partners to share their scientific accomplishments and keep updated on the latest technologies for genomic research and clinical applications.”

Visit www.affymetrix.com/connect to “follow” or “like” these social media threads: Affymetrix Corporate for timely news, announcements, and all things Affymetrix; Genomic Applications for product news, innovations, and trends; Affymetrix Events, covering key industry tradeshows and other events; and Affymetrix Careers for job openings.

About Affymetrix

Affymetrix technology is used by the world's top pharmaceutical, diagnostic, and biotechnology companies, as well as leading academic, government and nonprofit research institutes. More than 2,100 systems have been shipped around the world and more than 23,500 peer-reviewed papers have been published using the technology. Affymetrix is headquartered in Santa Clara, Calif., and has manufacturing facilities in Santa Clara, Cleveland, Ohio, and Singapore. The company has about 900 employees worldwide and maintains sales and distribution operations across Europe, Asia, and Latin America. For more information about Affymetrix, please visit http://www.affymetrix.com.

Forward-looking statements

All statements in this press release that are not historical are "forward-looking statements" within the meaning of Section 21E of the Securities Exchange Act as amended, including statements regarding Affymetrix' "expectations," "beliefs," "hopes," "intentions," "strategies," or the like. Such statements are subject to risks and uncertainties that could cause actual results to differ materially for Affymetrix from those projected. These and other risk factors are discussed in Affymetrix' Form 10-K for the year ended December 31, 2010, and other SEC reports for subsequent quarterly periods.

NOTE: Affymetrix, and the Affymetrix logo, are trademarks or registered trademarks of Affymetrix, Inc.

Copyright Business Wire 2010