February 22, 2005 General News

ACADIA Pharmaceuticals to Present at Upcoming Investor Conferences

SAN DIEGO, Feb 22, 2005 /PRNewswire-FirstCall via COMTEX/ — ACADIA Pharmaceuticals Inc. (Nasdaq: ACAD) announced today that Uli Hacksell, Ph.D., Chief Executive Officer, will present at the following upcoming investor conferences:

* The Wells Fargo Securities HealthCare Conference on Tuesday, March 1, 2005, at 10:00 a.m. Eastern Time at the St. Regis Hotel in New York City.

* The SunTrust Robinson Humphrey Therapeutics Conference on Tuesday, March 1, 2005, at 3:15 p.m. Eastern Time at the Le Parker Meridien Hotel in New York City.

* The Fourth Annual JMP Securities Annual Research Conference on Wednesday, March 2, 2005, at 2:10 p.m. Pacific Time at The Ritz- Carlton in San Francisco.

Live webcasts of these presentations will be accessible on the company’s website, www.acadia-pharm.com, under the investors section and archived recordings will be available on the website through March 16, 2005.

About ACADIA Pharmaceuticals

ACADIA Pharmaceuticals is a biopharmaceutical company utilizing innovative technology to fuel drug discovery and clinical development of novel treatments for central nervous system disorders. ACADIA currently has four drug programs in clinical development as well as a portfolio of preclinical and discovery assets directed at large unmet medical needs, including schizophrenia, Parkinson’s disease, neuropathic pain, and glaucoma. Using its proprietary drug discovery platform, ACADIA has discovered all of the drug candidates in its product pipeline. ACADIA’s corporate headquarters and biology research facilities are located in San Diego, California and its chemistry research facilities are located near Copenhagen, Denmark.

Contacts:
ACADIA Pharmaceuticals Inc.
Lisa Barthelemy, Director, Investor Relations
Thomas H. Aasen, Vice President and Chief Financial Officer
+1 858-558-2871
ir@acadia-pharm.com

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