BEDFORD, Mass., (October 20, 2009) - Hologic, Inc. (Hologic or the Company) (NASDAQ:
HOLX), a leading developer, manufacturer and supplier of premium diagnostics, medical
imaging systems and surgical products dedicated to serving the healthcare needs of women,
today announced the Company will host a meeting for members of the investment community at
the RSNA (Radiological Society of North America) trade show in Chicago, IL. RSNA is the
world's largest medical meeting with over 60,000 radiologists, technologists, administrators and
vendors expected to attend. For more information about RSNA, please visit
www.rsna2009.rsna.org/newsroom.

Hologic's investor meeting will be held on Tuesday, December 1, 2009, at McCormick Place
from 8:00 to 10:00 a.m. (Central Time) and will include presentations by members of Hologic's
management team, as well as customers using two of Hologic's products.

Interested participants may listen to the call (listen-only mode) by dialing 800-299-7089 or
617-801-9714, passcode 79007028, beginning at 7:50 a.m. (Central Time) and referencing the
Hologic Investor Meeting. For those unable to participate in the live broadcast, a replay will be
available one hour after the call ends through Tuesday, December 15, 2009, at 888-286-8010 or
617-801-6888, passcode 92355143.

Interested parties are invited to listen to a live audio webcast of Hologic's presentation 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 event.

About Hologic, Inc.
Hologic, Inc. is a leading developer, manufacturer and supplier of premium diagnostics products,
medical imaging systems and surgical products dedicated to serving the healthcare needs of
women. 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, permanent contraception, osteoporosis assessment,
preterm birth risk assessment, mini C-arm for extremity imaging and molecular diagnostic
products including HPV and reagents for a variety of DNA and RNA analysis applications.