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(Nasdaq: NBIX) announced today that the Company will report first quarter 2005
financial results after the Nasdaq market closes Thursday , April 28, 2005. Participants may access the live Conference Call
by dialing 1-800-905-0392 (U. Live Webcast on Tuesday, May 3, 2005

SAN DIEGO, Neurocrine Biosciences ,
Inc.com

Prior to joining Genencor, Rich Ranieri spent over
15 years with GlaxoSmithKline where he held a variety of positions within the
pharmaceutical division. news releases are available through the Company's
website via the Internet at http://www.

Message boards, mailing lists, chat rooms and moderated forums may be found here.

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corporate-ir. 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.A.
"Rich Ranieri's experience and expertise in strategic development of
organizational growth will be a valuable asset as we become a multi-product
company.

Neurocrine Biosciences, Inc . is a product-based biopharmaceutical company
focused on neurological and endocrine diseases and disorders.

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neurocrine.

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in social science and
accounting from Villanova University and a Masters Degree in organizational
development from Rider University. Ranieri received 80,000 options as
part of an employment commencement option agreement.

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) or 785-832-1508 (International) and using the
Conference ID# NBIX.

Neurocrine Biosciences to Present at the 30th Annual Deutsche Bank Healthcare Conference

A replay of the webcast will be available approximately one hour after the
presentation concludes and will be archived until Tuesday, May 17, 2005. is a product-based biopharmaceutical company
focused on neurological and endocrine diseases and disorders. I look forward to working with Rich in continuing to build on our
success and support Neurocrine's growth and move into commercialization," said
Gary A.

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

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is a product-based biopharmaceutical company
focused on neurological and endocrine diseases and disorders.
Neurocrine Biosciences, Inc.
Neurocrine Biosciences, Inc.

muscular connective

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 . 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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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.neurocrine. The options were granted
outside of the Company's stockholder approved option plan in accordance with
NASDAQ rules and will vest over a four-year period.

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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 30th Annual Deutsche Bank Healthcare Conference at
the Hyatt Regency Hotel in Baltimore, Maryland, on Tuesday, May 3, 2005.
Rich Ranieri most recently held similar management positions at Genencor
International where he oversaw the growth of Genencor from a start-up to over
1300 employees worldwide .

musculoskeletal neurological

com. Ranieri earned his B.

These are online communities or meeting places which provide information and support to members sharing a common experience such as a condition or disease, or a care-giving role.

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Neurocrine Biosciences, Inc.

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The live presentation will take place at 8:30am Eastern Daylight Time
(EDT) / 5:30am Pacific Daylight Time (PDT) and will include indiplon marketing
highlights and an update on the Company's broad development pipeline and
research programs.com .

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news releases are available through the Company's
website via the Internet at http://www.
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.zhtml?p=irol-
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.
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. Lyons, President and CEO of Neurocrine Biosciences.

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Management Will Also Provide Company Update

SAN DIEGO, Neurocrine Biosciences, Inc.

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Neurocrine Biosciences, Inc.

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

neurocrine .

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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).S.com or alternatively through a
link provided by PRNewswire at:
http://phx.net/phoenix.neurocrine. SAN DIEGO, Neurocrine Biosciences, Inc.

(Nasdaq: NBIX) today announced the appointment of Richard Ranieri to the
position of Senior Vice President-Human Resources.
Under his employment agreement, Mr.

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com

The presentation will be webcast and can be accessed on
the Company's website at http://www.

Neurocrine Biosciences Announces Appointment of Senior Vice President of Human Resources

Neurocrine Biosciences, Inc .

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In this position,
reporting to Gary A. Lyons, President + CEO, Rich Ranieri will be responsible
for leading Neurocrine's human resources efforts for over 500 employees and
managing the Company 's strategic organizational growth and leadership
development efforts.