For Immediate Release - November 20, 2006

BEDFORD, Mass. (November 20, 2006) - Hologic, Inc. (NASDAQ: HOLX), a leading provider of diagnostic imaging and state-of-the-art digital imaging systems directed towards women's health, today announced the Company will host a meeting for members of the investment community who will be attending the RSNA (Radiological Society of North America ) trade show in Chicago.

This meeting will be held on Tuesday, November 28, 2006, at McCormick Place from 8:00 - 10:00 AM (Central Time) and will include a presentation by members of Hologic's management team.

Interested participants may listen to the call (listen mode only) by dialing 800-766-6630 at 7:50 AM (Central Time) and referencing the Hologic Investor Meeting. This call is expected to last approximately thirty minutes. For those unable to participate in the live broadcast, a replay will be available one hour after the call ends through December 20, 2006 at 888-509-0081 (pass code 634154).

The Company will also provide a live webcast of the call. Interested participants may access the webcast at the Company's website at www.hologic.com. A replay of the call will be archived on the Company's website.

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.