Ciphergen to Announce Fourth Quarter and Year End 2006 Financial Results and Host Conference Call on Friday, February 23, 2007

FREMONT, Calif., Feb. 20  /PRNewswire-FirstCall/ -- Ciphergen Biosystems (NASDAQ:CIPH) today announced that the company will host a conference call and webcast on Friday, February 23, 2007 at 9:00 a.m. Eastern Time to discuss its fourth quarter and year end 2006 financial results. The call and webcast will follow the release of the fourth quarter financial results before market open.

To access the live conference call via phone, please dial [phone] from the United States and Canada or [phone] internationally. The conference ID is 21329140.   Please dial in approximately ten minutes prior to the start of the call. A telephone replay will be available beginning approximately one hour after the call through March 2 and may be accessed by dialing [phone] from the United States and Canada or ([phone] internationally. The replay passcode is 21329140.

Additionally, you may access the live and subsequently archived webcast of the conference call from the Investor Relations section of the Company's website at http://www.ciphergen.com/ . Please connect to the web site at least 15 minutes prior to the call to allow for any software download that may be necessary. An archived replay of the call will be available until the next quarterly call.

About Ciphergen

Ciphergen Biosystems, Inc. is dedicated to the discovery, development and commercialization of novel high-value diagnostic tests that help physicians diagnose, treat and improve outcomes for patients. Ciphergen, along with its prestigious scientific collaborators, has ongoing diagnostic programs in oncology, cardiology and women's health with an initial focus in ovarian cancer. Based in Fremont, California, more information about Ciphergen can be found on the Web at http://www.ciphergen.com/ . 

DATASOURCE: Ciphergen Biosystems, Inc.



CONTACT:  Sue Carruthers, Investor Relations of Ciphergen Biosystems,

Inc., [phone]; or media, Daryl Messinger of WeissComm Partners,

[phone], for Ciphergen Biosystems



Web site:  http://www.ciphergen.com/

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