Cytyc Corporation Chairman and CEO Scheduled to Present at Leerink Swa

    Business Editors/Health Editors

    MARLBOROUGH, Mass.--(BUSINESS WIRE)--Feb. 23, 2005--Cytyc Corporation (Nasdaq: CYTC) today announced that Patrick J. Sullivan, chairman, president, and chief executive officer, is scheduled to present at the Leerink Swann Inaugural Health Care Conference on March 1, 2005, at 12:00 noon (Eastern), at The Plaza Hotel in New York City.

    A live webcast and recording of the presentation will be available on Cytyc's website, http://ir.cytyc.com. The replay will be available approximately 24 hours after the presentation until March 15.

    Cytyc Corporation is a leading women's health company that designs, develops, manufactures, and markets innovative and clinically effective products. Cytyc products cover a range of women's health applications, including cervical cancer screening, breast cancer risk assessment, and treatment of excessive menstrual bleeding. The ThinPrep(R) System is the most widely used method for cervical cancer screening in the United States. The ThinPrep System consists of the ThinPrep(R) 2000 Processor, ThinPrep(R) 3000 Processor, ThinPrep(R) Imaging System, and related reagents, filters, and other supplies. The ThinPrep System also provides the platform from which the Company launched its expansion into breast cancer risk assessment with the FirstCyte(R) Breast Test. Cytyc Surgical Products, a wholly owned subsidiary of Cytyc Corporation, manufactures and markets the NovaSure(R) Impedance Controlled Endometrial Ablation System, or the NovaSure(R) System, an innovative endometrial ablation device to treat menorrhagia, or excessive menstrual bleeding.

    Cytyc is traded on The Nasdaq Stock Market under the symbol CYTC. Cytyc, ThinPrep, FirstCyte, and NovaSure are registered trademarks of Cytyc Corporation.

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CONTACT: Tim Adams, Chief Financial Officer Anne Rivers, Investor Relations Jeff Keene, Healthcare Media Cytyc Corporation: 508-263-8765 www.cytyc.com

KEYWORD: MASSACHUSETTS NEW YORK INDUSTRY KEYWORD: CONSUMER/HOUSEHOLD PHARMACEUTICAL MEDICAL BIOTECHNOLOGY PRODUCT ADVISORY SOURCE: Cytyc Corporation

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