Release Details

Neurocrine Biosciences Announces Webcast of Presentation at Needham &
Company's Second Annual Biotechnology Conference on Thursday, June 5, 2003

SAN DIEGO, June 4 /PRNewswire-FirstCall/ -- Neurocrine Biosciences, Inc. (Nasdaq: NBIX) announced today that the Company will webcast their presentation at Needham & Company's Second Annual Biotechnology Conference tomorrow, Thursday, June 5, 2003 at 9:30 AM Eastern Daylight Time; 6:30 AM Pacific Daylight Time. The webcast can be accessed on the Neurocrine website at http://www.neurocrine.com or alternatively on the website provided by Needham & Company at http://www.twst.com/econf/mm/needham5/nbix.html . Viewers are encouraged to visit either website approximately 5 minutes prior to the presentation to download or install any necessary audio software.

If you are unable to attend the webcast and would like further information on this announcement please contact the Investor Relations Department at Neurocrine Biosciences at (858) 658-7600 and ask for Claudia Jones or Elizabeth Foster. A replay will become available approximately 2 hours after the live webcast. The presentation will be archived until Thursday, June 19, 2003.

Neurocrine Biosciences, Inc. is a product-based biopharmaceutical company focused on neurological and endocrine diseases and disorders. Our product candidates address some of the largest pharmaceutical markets in the world including insomnia, anxiety, depression, diabetes, multiple sclerosis, irritable bowel syndrome, eating disorders, pain, autoimmunity and certain female and male health disorders. Neurocrine Biosciences, Inc. news releases are available through the Company's website via the Internet at http://www.neurocrine.com

SOURCE Neurocrine Biosciences, Inc.