SEQUENOM Announces Date of Third Quarter 2009 Financial Results and Conference Call

SEQUENOM, Inc. (Nasdaq: SQNM), will report third quarter 2009 and year-to-date financial results after market close on Monday, November 9, 2009. The company will conduct a conference call and an audio webcast at 1:30 pm Pacific Time (4:30 pm Eastern Time) on the same day.

Conference Call Information:

Domestic callers: 1-800-299-9086

International callers: +1-617-786-2903

Passcode: 72106407

Webcast information: Visit http://ir.sequenom.com.

The webcast is also being distributed through the Thomson StreetEvents Network to both institutional and individual investors. Individual investors can listen to the call at www.earnings.com, Thomson's individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson's password-protected event management site, StreetEvents (www.streetevents.com).

A webcast replay will be available on the Sequenom Web site for 30 days. A telephone replay will be available for 48 hours following the conclusion of the call by dialing 1-888-286-8010 for domestic callers, or +1-617-801-6888 for international callers, and entering reservation code 41253679.

About SEQUENOM

Sequenom, Inc. (NASDAQ: SQNM) is a life sciences company committed to improving healthcare through revolutionary genetic analysis solutions. Sequenom develops innovative technology, products and diagnostic tests that target and serve discovery and clinical research, and molecular diagnostics markets. The company was founded in 1994 and is headquartered in San Diego, California. Sequenom maintains a Web site at http://www.sequenom.com to which Sequenom regularly posts copies of its press releases as well as additional information about Sequenom. Interested persons can subscribe on the Sequenom Web site to email alerts or RSS feeds that are sent automatically when Sequenom issues press releases, files its reports with the Securities and Exchange Commission or posts certain other information to the Web site.

SEQUENOM((R) )is a trademark of SEQUENOM, Inc. All other trademarks and service marks are the property of their respective owners.

    Company Contact      Investor Relations Contact    Media Relations
    Ian Clements, PhD    Lippert/Heilshorn &           Pure Communications
    Sr. Director, Corp.   Associates                   Dan Budwick
     Communications      Jody Cain (jcain@lhai.com)    +1 (973) 271-6085
    +1 (858) 202-9000    +1 (310) 691-7100

SOURCE SEQUENOM, Inc.

http://www.sequenom.com

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