Affymetrix, Inc. (NASDAQ:AFFX) today announced the webcast of its presentation at the Deutsche Bank Securities 35 th Annual Health Care Conference in Boston.

Doug Farrell, Vice President of Investor Relations and Treasury, will present on Tuesday May 4 th at 4:10p ET. To hear a live webcast of the presentation, visit the investor relations page on the Company's Web site at www.affymetrix.com. An archived webcast 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 21,000 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 1,100 employees worldwide and maintains sales and distribution operations across Europe and Asia. For more information about Affymetrix, please visit www.affymetrix.com.

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