For Immediate Release - October 30, 2006

BEDFORD, Mass. (October 30, 2006) - Hologic, Inc. (NASDAQ: HOLX), a leading provider of state-of-the-art diagnostic and digital imaging systems directed towards women's health, today announced plans to release its fourth quarter and fiscal 2006 operating results on Wednesday, November 8, 2006 at 8:00 a.m. (eastern). In conjunction with the release, management will host a conference call on Wednesday, November 8, 2006 at 10:00 a.m. (eastern).

Interested participants may listen to the call by dialing 800-289-0498 or 913-981-5539 for international callers and referencing code 4397636 approximately 15 minutes prior to the call on November 8th. For those unable to participate in the live broadcast, a replay will be available one hour after the call ends through November 10, 2006 at 888-203-1112 or 719-457-0820 for international callers, access code 4397636.

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. For more information visit www.hologic.com.