For Immediate Release - March 14, 2008

BEDFORD, Mass. (March 14, 2008) - Hologic, Inc. (NASDAQ: HOLX) today announced that Jack Cumming, Chief Executive Officer, and Glenn Muir, Chief Financial Officer, will be presenting at the Citi 5th Annual Small and Midcap Conference being held March 17-19, 2008, at the Four Seasons Hotel in Las Vegas, Nevada.

Interested parties are invited to listen to a live audio webcast of Hologic’s investor presentation on Tuesday, March 18, 2008, at 3:05 p.m., Pacific Time (6:05 p.m. Eastern) 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 diagnostics, medical imaging systems and surgical products dedicated to serving the healthcare needs of women. Hologic leads the industry in digital mammography systems and offers the most advanced technology for breast imaging and breast biopsy. Hologic’s core business units are focused on breast health, diagnostics, GYN surgical, and skeletal health. Hologic provides a comprehensive suite of technologies with products for mammography and breast biopsy, radiation treatment for early-stage breast cancer, cervical cancer screening, treatment for menorrhagia, osteoporosis assessment, preterm birth risk assessment, and mini C-arm for extremity imaging.