For Immediate Release - January 4, 2006

BEDFORD, Mass. (January 4, 2006) - Hologic, Inc. (NASDAQ: HOLX), today announced that Rob Cascella, President and Chief Operating Officer, and Glenn Muir, Chief Financial Officer, will be presenting at the 24th Annual JP Morgan Healthcare Conference being held January 8-12, 2006 at the Westin St. Francis Hotel in San Francisco, CA.

Interested parties are invited to listen to a live audio webcast of Hologic's investor presentation on Monday, January 9, 2006 at 4:00 p.m. Pacific Time on the investor section of the Company's website at www.hologic.com/investor or http://equityconferences.jpmorgan.com. An archive of the presentation will be available for replay following the conference.

Hologic Inc. is a leading developer, manufacturer and supplier of premium diagnostic and medical imaging systems dedicated to serving the healthcare needs of women, and a leading developer of innovative imaging technology for digital radiography and breast imaging. Hologic's core business units are focused on osteoporosis assessment, mammography and breast biopsy, and mini C-arm and extremity MRI imaging for orthopedic applications.