For Immediate Release - January 4, 2007

BEDFORD, Mass. (January 4, 2007) - Hologic, Inc. (NASDAQ: HOLX) today announced that Glenn Muir, Chief Financial Officer, will be presenting at the Ninth Annual Needham & Company Growth Conference being held January 9-12, 2007 at the Palace Hotel in New York, NY.

Interested parties are invited to listen to a live audio webcast of Hologic's investor presentation on Wednesday, January 10, 2007 at 3:00 p.m. Eastern Time on the investor section of the Company's website at www.hologic.com/investor. 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 mammography and breast biopsy, osteoporosis assessment, and mini C-arm and extremity MRI imaging for orthopedic applications.