August 3, 2006 General News

ACADIA Pharmaceuticals to Present at Upcoming Investor Conferences

SAN DIEGO–(BUSINESS WIRE)–Aug. 3, 2006–ACADIA Pharmaceuticals Inc. (Nasdaq:ACAD), a biopharmaceutical company utilizing innovative technology to fuel drug discovery and clinical development of novel treatments for central nervous system disorders, today announced that it will present at the following investor conferences:

— The Canaccord Adams 26th Annual Summer Seminar on Thursday, August 10, 2006, at 1:00 p.m. Eastern Time at the Boston Marriott Long Wharf Hotel in Boston, Massachusetts.

— The Bank of America 2006 Specialty Pharmaceuticals Conference on Friday, August 11, 2006, at 9:45 a.m. Eastern Time at the Southampton Inn in Southampton, New York.

Live webcasts of these presentations will be accessible on the company’s website, www.acadia-pharm.com, under the investors section and an archived recording will be available on the website through August 25, 2006.

About ACADIA Pharmaceuticals

ACADIA 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 five Phase II-stage clinical programs as well as a portfolio of preclinical and discovery assets directed at large unmet medical needs, including schizophrenia, Parkinson’s disease, sleep maintenance insomnia, and neuropathic pain. All of the drug candidates in ACADIA’s product pipeline emanate from discoveries made using its proprietary drug discovery platform. ACADIA’s corporate headquarters is located in San Diego, California and it maintains research and development operations in both San Diego and Malmo, Sweden.

CONTACT: ACADIA Pharmaceuticals Inc.
Lisa Barthelemy, Director, Investor Relations
Thomas H. Aasen, Vice President and Chief Financial Officer
(858) 558-2871

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