CIPH Ciphergen Biosystems (MM)

Webcast Alert: Ciphergen Biosystems, Inc. Announces 3rd Quarter 2004 Events and Financial Results Webcast FREMONT, Calif., Oct. 25 /PRNewswire-FirstCall/ -- Ciphergen Biosystems, Inc. (NASDAQ:CIPH), will announce 3rd Quarter 2004 financial results on Monday, November 1, 2004, after market close, followed on Tuesday, November 2, 2004, by its Quarterly Conference Call to discuss 3rd Quarter 2004 Financial Results at 8:00 a.m. Eastern Time (5:00 a.m. Pacific Daylight Time). Additionally, a telephone replay of the teleconference will be available for 24 hours beginning at 10:00 a.m. (EST) on Tuesday, November 2, 2004, and can be accessed by dialing Domestic: 800-642 1687, or International, 706-645-9291, Conference ID # 1528240. This call is being webcast by PR Newswire and can be accessed at Ciphergen's web site at http://www.ciphergen.com/. About Ciphergen: Ciphergen's Biosystems Division develops, manufactures and markets a family of ProteinChip(R) Systems and services for clinical, research, and process proteomics applications, as well as a broad range of bioseparations media for protein purification and large scale production. ProteinChip Systems enable protein discovery, characterization, identification and assay development to provide researchers with predictive, multi-marker assay capabilities and a better understanding of biological function at the protein level. Ciphergen's Diagnostics Division is dedicated to the discovery of protein biomarkers and panels of biomarkers and their development into protein molecular diagnostic tests that improve patient care; and to providing collaborative R&D services through its Biomarker Discovery Center(R) laboratories for biomarker discovery for new diagnostic tests as well as pharmacoproteomic services for improved drug toxicology, efficacy and theranostic assays. Additional information about Ciphergen can be found at http://www.ciphergen.com/ NOTE: Ciphergen and ProteinChip are registered trademarks of Ciphergen Biosystems, Inc. DATASOURCE: Ciphergen Biosystems, Inc. CONTACT: Sue Carruthers, Investor Relations of Ciphergen Biosystems, +1-510-505-2297, or Web site: http://www.ciphergen.com/

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