Affymetrix to Host Conference Call on January 28, 2009 to Announce Fourth Quarter and Fiscal 2008 Results

SANTA CLARA, Calif.--([ BUSINESS WIRE ])--Affymetrix, Inc. (Nasdaq:AFFX) today announced that it will release results for the fourth quarter and fiscal year 2008 after close of the stock market on Wednesday, January 28, 2009.

Affymetrix' management team will host a conference call on January 28, 2009 at 2:00 p.m. PT to review its operating results for the fourth quarter and fiscal year 2008. A live webcast can be accessed by visiting the Investor Relations section of the Company's website at [ www.affymetrix.com ]. In addition, investors and other interested parties can listen by dialing domestic: (866) 500-AFFX, international: (706) 643-2771.

A replay of this call will be available from 5:00 p.m. PT on January 28, 2009 until 8:00 p.m. PT on February 4, 2009 at the following numbers: domestic: (800) 642-1687, international: (706) 645-9291. The passcode for both replays is 82019494. An archived webcast of the conference call will be available under the Investor Relations section of the Company's website at [ www.affymetrix.com ].

About Affymetrix

Affymetrix GeneChip^®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 1,800 systems have been shipped around the world and more than 14,000 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 the company's website at [ 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, including, but not limited to: risk relating to past and future acquisitions, including the ability of the company to successfully integrate such acquisitions into its existing business; risks of the company's ability to achieve and sustain higher levels of revenue, higher gross margins and reduced operating expenses; uncertainties relating to technological approaches, risks associated with manufacturing and product development, including risks relating to the relocation of a substantial portion of our manufacturing to Singapore; personnel retention; uncertainties relating to cost and pricing of Affymetrix products; dependence on collaborative partners; uncertainties relating to sole-source suppliers; uncertainties relating to FDA and other regulatory approvals; competition; risks relating to intellectual property of others and the uncertainties of patent protection and litigation. These and other risk factors are discussed in Affymetrix' Form 10-K for the year ended December 31, 2007, and other SEC reports, including its Quarterly Reports on Form 10-Q for subsequent quarterly periods. Affymetrix expressly disclaims any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements contained herein to reflect any change in Affymetrix' expectations with regard thereto or any change in events, conditions or circumstances on which any such statements are based.

PLEASE NOTE:

Affymetrix, the Affymetrix logo, GeneChip, and all other trademarks are the property of Affymetrix, Inc.

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Affymetrix to Host Conference Call on January 28, 2009 to Announce Fourth Quarter and Fiscal 2008 Results