Affymetrix, Inc., (NASDAQ: AFFX) today has given notice of its intention to redeem all of the outstanding 3.50% Senior Convertible Notes due 2038 (CUSIP 00826TAG3) (the “Convertible Notes”) on January 15, 2013. As of November 15, 2012, there was approximately $3.9 million aggregate principal amount of the Convertible Notes outstanding. The Convertible Notes will be redeemed at a redemption price of 100% of the principal amount of the Convertible Notes redeemed, plus accrued and unpaid interest up to, but excluding, the redemption date. The Convertible Notes are convertible at any time prior to the close of business on January 14, 2013 at a rate of 33.1991 shares of common stock per $1,000 principal amount. The Convertible Notes surrendered for conversion will be settled in cash and stock in accordance with the provisions of the indenture. The Bank of New York Mellon Trust Company, N.A., the trustee for the Convertible Notes, is distributing a Notice of Redemption to all registered holders of the Convertible Notes on December 3, 2012. Copies of such Notice of Redemption and additional information relating to the procedure for redemption and/or conversion of the Convertible Notes may be obtained from The Bank of New York Mellon Trust Company, N.A. by calling 1-800-254-2826. This announcement does not constitute an offer to buy or sell or the solicitation of an offer to sell or buy securities in any jurisdiction. 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 2,200 systems have been shipped around the world and almost 26,000 peer-reviewed papers have been published using the technology. Affymetrix is headquartered in Santa Clara, California, and has manufacturing facilities in Cleveland, Ohio, and Singapore. eBioscience is headquartered in San Diego, California and has manufacturing facilities in San Diego and Vienna, Austria. Including eBioscience, the Company has about 1,200 employees worldwide and maintains sales and distribution operations across Europe, Asia and Latin America.