BOARD OF DIRECTORS

Henry L. Nordhoff
Chairman, President and
Chief Executive Officer
Gen-Probe Incorporated

John W. Brown
Chairman
Stryker Corporation

Raymond V. Dittamore
Former Partner
Ernst & Young LLP

Mae C. Jemison, MD
Founder
BioSentient Corporation
and The Earth We Share™

Armin M. Kessler
Former Chief Operating Officer
Hoffmann-La Roche

Brian A. McNamee, MBBS
(Until 2007 annual meeting)
Chief Executive Officer
and Managing Director
CSL Ltd.

Phillip M. Schneider
Former Chief Financial Officer
IDEC Pharmaceutical Corp.
The Honorable Abraham D. Sofaer

George P. Shultz
Distinguished Scholar and
Senior Fellow
The Hoover Institution
Stanford University


SCIENTIFIC ADVISORY BOARD

Douglas D. Richman, MD
Chairman, Gen-Probe Scientific Advisory Board; VA San Diego Healthcare System; Professor of Pathology and Medicine, Director, Center for AIDS Research, and Florence Seeley Riford Chair in AIDS Research, University of California, San Diego

Michael Busch, MD, PhD
Vice President of Research and Scientific Affairs, Blood Systems Inc.; Director, Blood Systems Research Institute; Professor of Laboratory Medicine, University of California, San Francisco

J. Thomas Cox, MD
Director, Women’s Clinic, Student Health Service, University of California, Santa Barbara; President-Elect, American Society for Colonscopy and Cervical Pathology

Herbert A. Fritsche, PhD
Professor and Chief of Clinical Chemistry, MD Anderson Cancer Center

Ann Kessler, PhD
Former Global Head of International Project Management and US Head of Exploratory Research, Pharmacology and Chemotherapy, Hoffmann-La Roche

Walter Stamm, MD
Professor of Medicine and Head, Division of Allergy and Infectious Diseases, University of Washington

Daniel D. Von Hoff, MD, FACP
Physician in Chief and Senior Investigator, Translational Genomics Research Institute; Clinical Professor of Medicine, University of Arizona



STOCKHOLDER INFORMATION

Headquarters
Gen-Probe Incorporated 10210 Genetic Center Drive San Diego, California 92121

Stock Listing
Gen-Probe is listed on The NASDAQ Global Select Market under the symbol GPRO

Independent Auditors
Ernst & Young LLP 4370 La Jolla Village Drive, Suite 500 San Diego, California 92122

Independent Counsel
Cooley Godward Kronish LLP 4401 Eastgate Mall San Diego, California 92121

Transfer Agent
Communications concerning transfer requirements, lost certificates and change of address should be directed to: Mellon Investor Services LLC 480 Washington Boulevard Jersey City, New Jersey 07310 Domestic: 800-903-1224 International: 201-680-6578 Japanese Language: 866-241-9991 www.melloninvestor.com/isd

Annual Meeting
Gen-Probe’s annual meeting of stockholders will be held at 10:00 a.m. May 31, 2007, at the Company’s headquarters, 10210 Genetic Center Drive, San Diego, California. Detailed information about the meeting is contained in the Notice of Annual Meeting and Proxy Statement sent to each stockholder of record as of April 9, 2007.

Requests for Information
Investor Relations Gen-Probe Incorporated 10210 Genetic Center Drive San Diego, California 92121 Phone: 858-410-8904 Fax: 858-410-8252 Email: IR@gen-probe.com

A copy of Gen-Probe’s annual report on Form 10-K, as filed with the US Securities and Exchange Commission, is available free of charge by contacting us at the address above, and at www.gen-probe.com.

ACCUPROBE, APTIMA, APTIMA Combo 2, DTS, PACE, PROGENSA and TIGRIS are trademarks of Gen-Probe Incorporated; PROCLEIX and ULTRIO are trademarks of Chiron, a business unit of Novartis Vaccines and Diagnostics. Other trademarks are the property of their owners. © 2007 Gen-Probe Incorporated