AFFX Affymetrix, Inc.

Affymetrix, Inc. (Nasdaq:AFFX) today announced that company management will provide a corporate overview at two upcoming financial conferences. John Batty, Executive Vice President and CFO, will present at the Cowen and Company�28th Annual�Health Care Conference in Boston. A live transmission of the presentation will take place at 4:00 p.m. ET on Monday March 17, 2008. An archived webcast will be available for 30 days. Mr. Batty will also present at the Lehman Brothers Eleventh Annual Global Healthcare Conference in Miami. A live transmission of the presentation will take place at 1:30 p.m. ET on Wednesday March 19, 2008. An archived webcast will be available for 30 days. To access the live webcast or archived presentation, find the "Investors" link in the "Resources for" drop-down menu on http://www.affymetrix.com. About Affymetrix Affymetrix GeneChip(R) microarray technology is the industry-standard tool for analyzing complex genetic information. After inventing microarray technology in the late 1980s, Affymetrix scientists have been dedicated to developing innovative products that provide researchers with a more complete view of the genome. These products continue to accelerate genetic research and enable scientists to develop diagnostics and tailor treatments for individual patients by identifying and measuring the genetic information associated with complex diseases. Today, Affymetrix technology is used by the world's top pharmaceutical, diagnostic and biotechnology companies, as well as leading academic, government and not-for-profit research institutes. More than 1,700 systems have been shipped around the world and more than 11,000 peer-reviewed papers have been published using the technology. Affymetrix is headquartered in Santa Clara, Calif., and has manufacturing facilities in Sacramento, Calif., Cleveland, Ohio, and Singapore. The company has about 1,100 employees worldwide and maintains sales and distribution operations across Europe and Asia. For more information about Affymetrix, please visit: www.affymetrix.com. NOTE: Affymetrix, the Affymetrix logo and GeneChip(R) are registered trademarks owned or used by Affymetrix Inc.