BEDFORD, Mass., (October 20, 2009) - Hologic, Inc. (NASDAQ: HOLX) today announced that
Glenn Muir, Chief Financial Officer, will present at Citi's 2009 Sixth Annual Small/Mid Cap
Conference in New York City on Thursday, November 19, 2009, at 9:10 a.m. (EST).
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/investors-overview. An archive
of the presentation will be available for replay following the conference.

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.