Live Webcast on Wednesday, March 16, 2005

SAN DIEGO, Neurocrine Biosciences,
Inc.

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is a product-based biopharmaceutical company
focused on neurological and endocrine diseases and disorders. A
replay of the Conference Call will be available approximately one hour after
the conclusion of the call by dialing 1-800-723-0532 (US) or 402-220 -2655
(International) and will be archived until Thursday, May 12, 2005.

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Immediately following the initial presentation, a second session will take
place at 3:10PM EST and will provide members of the financial community and
other interested investors an opportunity for an interactive question and
answer period.
Neurocrine Biosciences, Inc.

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Neurocrine Biosciences to Present at the 25th Annual SG Cowen + Company Healthcare Conference

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Neurocrine will also host a live conference call and Webcast to discuss its
first quarter financial results and provide a Company update Thursday
afternoon , April 28, 2005 at 4:30 PM Eastern Daylight Time (EDT) / 1:30 PM
Pacific Daylight Time (PDT).

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Neurocrine Biosciences, Inc. Management Will Also Provide Company Update

SAN DIEGO, Neurocrine Biosciences, Inc.

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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) 617-7600 and ask for Claudia Jones or
Elizabeth Foster. Participants may access the live Conference Call
by dialing 1-800-905-0392 (U.) or 785-832-1508 (International ) and using the
Conference ID# NBIX.neurocrine.

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com.
A replay of the webcast will be available approximately one hour after the
presentation concludes and will be archived until Wednesday, March 30, 2005. 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, and autoimmunity.

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Viewers are encouraged to visit the website approximately 5 minutes prior to
the presentation to download or install any necessary software.

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Neurocrine Biosciences, Inc. news releases are available through the Company's
website via the Internet at http: //www.corporate-ir.

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neurocrine.

Reminder - Neurocrine Biosciences Announces Conference Call and Webcast to Present First Quarter 2005 Financial Results

is a product-based biopharmaceutical company
focused on neurological and endocrine diseases and disorders.

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This presentation will be webcast and can be accessed
on the Company's website at http://www.
(Nasdaq: NBIX) announced today that the Company will report first quarter 2005
financial results after the Nasdaq market closes Thursday, April 28 , 2005.

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The initial presentation will take place at 2:20PM Eastern Standard Time
(EST) / 11:20AM Pacific Standard Time (PST) and will include an overview of
the Company as well as an update on the Company's broad development pipeline
and research programs.neurocrine.neurocrine.

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com

The call can also be accessed via the Webcast through
the Company's website at http://www. 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 , and autoimmunity.

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Many organizations are formed for the purpose of raising money for research, treatment , or the support of patient and families.

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Neurocrine Biosciences, Inc. news releases are available through the Company's
website via the Internet at http://www.

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eventDetails +c=68817+eventID=1058115

If you are unable to attend the Webcast and would like further information
on this announcement please contact Claudia Jones or Elizabeth Foster in the
Investor Relations Department at Neurocrine Biosciences at (858) 617-7600.

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, (Nasdaq: NBIX) a biopharmaceutical company focused on neurological and
endocrine diseases and disorders announced today that Gary Lyons, President
and CEO will present at the 25th Annual SG Cowen Healthcare Conference at the
Boston Marriott Copley Place Hotel, Wednesday afternoon, March 16, 2005.

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com or alternatively through a
link provided by PRNewswire at:
http://phx.com