Ciphergen to Announce Q1 2007 Financial Results and Host Conference Call on Wednesday, May 16, 2007

FREMONT, Calif., May 14  /PRNewswire-FirstCall/ -- Ciphergen Biosystems, Inc. (NASDAQ:CIPH), will announce first quarter 2007 financial results on Wednesday, May 16, 2007 before market open. A conference call and webcast will be held on Wednesday, May 16, 2007 at 11 a.m. Eastern Time to discuss these results and provide an update on business developments.

To access the live conference call via phone, dial [phone] from the United States and Canada or [phone] internationally. The conference ID is 21338536. Please dial-in approximately ten minutes prior to the start of the call. 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.

A telephone replay will be available beginning approximately two hours after the call through May 23, 2007 and may be accessed by dialing [phone] from the United States and Canada or [phone] internationally. The replay passcode is 21338536. 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/hematology, 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/.

If you are unable to participate during the live webcast, the call will be archived on the Web site http://www.ciphergen.com/ 

DATASOURCE: Ciphergen Biosystems, Inc.



CONTACT:  Sue Carruthers, Investor Relations of Ciphergen Biosystems,

Inc., [phone]



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

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