Affymetrix to Webcast Presentations at September Financial Conferences

Affymetrix, Inc. (Nasdaq:AFFX) today announced that company management will provide a corporate overview at four financial conferences in September.

• Morgan Stanley Healthcare Conference, New York, NY on Mon. Sept. 13th at 1:00pm ET
• R.W. Baird Healthcare Conference, New York, NY on Weds. Sept. 15th at 1:15pm ET
• Stifel Nicolaus 2010 Healthcare Conference, Boston, MA on Fri. Sept. 17th at 9:45am ET
• UBS Global Life Sciences Conference, New York, NY on Weds. Sept. 22nd at 1:00pm ET

Live webcasts of all presentations will be available at http://www.affymetrix.com under the "Investors" link. Archived webcasts will be available for 30 days.

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 1,900 systems have been shipped around the world and more than 22,000 peer-reviewed papers have been published using the technology.

Affymetrix is headquartered in Santa Clara, Calif., and has manufacturing facilities in Cleveland, Ohio, and Singapore. The company has about 1,000 employees worldwide and maintains sales and distribution operations across Europe and Asia. For more information about Affymetrix, please visit http://www.affymetrix.com.

NOTE: Affymetrix, the Affymetrix logo and GeneChip(R) are registered trademarks owned or used by Affymetrix Inc.