ICOS Appoints Michele Yetman Corporate Vice President, Human Resources

    Business Editors

    BOTHELL, Wash.--(BUSINESS WIRE)--Feb. 4, 2005--ICOS Corporation (Nasdaq:ICOS) announced today the appointment of Michele Yetman as a corporate officer, Vice President, Human Resources. Ms. Yetman joined ICOS in August 1997.
    Commenting on the appointment, Paul N. Clark, Chairman and Chief Executive Officer stated, "I am confident that Michele's leadership will continue to help shape ICOS into a collaborative, supportive and productive organization. She has been involved with every level in the organization and is relied on for her strategic insights."
    Prior to joining ICOS, Ms. Yetman was in human resources with International Data Group (IDG), a technology media, research, and event company, and Genetics Institute, Inc., now a division of Wyeth Pharmaceuticals. Ms. Yetman received her Bachelor of Arts degree in Human Resources and in English from the University of Michigan.

    About ICOS Corporation

    ICOS Corporation, a biotechnology company headquartered in Bothell, Washington, is dedicated to bringing innovative therapeutics to patients. ICOS is marketing its first product, Cialis(R) (tadalafil), through Lilly ICOS LLC, for the treatment of erectile dysfunction. ICOS is working to develop treatments for serious unmet medical conditions such as chronic obstructive pulmonary disease, benign prostatic hyperplasia, cancer and inflammatory diseases.

    This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements involve risks and uncertainties that could cause ICOS' results and the timing of certain events to differ materially from those discussed in the forward-looking statements, including risks associated with product commercialization, manufacturing activities, clinical development, regulatory approvals, intellectual property claims and litigation and other risks detailed in the latest Quarterly Report on Form 10-Q and its other SEC filings.

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CONTACT: ICOS Corporation Lacy Fitzpatrick, 425-415-2207

KEYWORD: WASHINGTON INDUSTRY KEYWORD: HUMAN RESOURCES PHARMACEUTICAL BIOTECHNOLOGY MANAGEMENT CHANGES SOURCE: ICOS Corporation

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