ACADIA Pharmaceuticals to Present at Upcoming Investor Conferences

SAN DIEGO—(BUSINESS WIRE)—Feb. 29, 2012—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 Cowen and Company 32^nd Annual Health Care Conference onWednesday, March 7, 2012, at 10:00 a.m. Eastern Time at The Boston Marriott Copley Place in Boston.
• The 24^th Annual ROTH Conference on Tuesday, March 13, 2012, at 10:00 a.m. Pacific Time at The Ritz-Carlton Hotel in Laguna Niguel.

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 for two weeks following the applicable presentation.

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 has four product candidates in clinical development including pimavanserin, which is in Phase III development as a potential first-in-class treatment for Parkinson’s disease psychosis. ACADIA also has a product candidate in Phase II development for chronic pain and a product candidate in Phase I development for glaucoma, both in collaboration with Allergan, Inc., and AM-831 in Phase I development for schizophrenia in collaboration with Meiji Seika Pharma Co., Ltd. All of the product candidates in ACADIA’s pipeline emanate from discoveries made using its proprietary drug discovery platform. ACADIA maintains a website at www.acadia-pharm.com to which ACADIA regularly posts copies of its press releases as well as additional information and through which interested parties can subscribe to receive email alerts.

Forward-Looking Statements

Statements in this press release that are not strictly historical in nature are forward-looking statements. These statements include but are not limited to statements related to the progress and timing of ACADIA’s drug discovery and development programs either alone or with a partner, including clinical trials, and the benefits to be derived from ACADIA’s product candidates, in each case including pimavanserin. These statements are only predictions based on current information and expectations and involve a number of risks and uncertainties. Actual events or results may differ materially from those projected in any of such statements due to various factors, including the risks and uncertainties inherent in drug discovery, development and commercialization, and collaborations with others, and the fact that past results of clinical trials may not be indicative of future trial results. For a discussion of these and other factors, please refer to ACADIA’s annual report on Form 10-K for the year ended December 31, 2010 as well as other subsequent filings with the Securities and Exchange Commission. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. This caution is made under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All forward-looking statements are qualified in their entirety by this cautionary statement and ACADIA undertakes no obligation to revise or update this press release to reflect events or circumstances after the date hereof, except as required by law.

Source: ACADIA Pharmaceuticals Inc.

ACADIA Pharmaceuticals Inc.
Thomas H. Aasen, Executive Vice President,
Chief Financial Officer and Chief Business Officer
(858) 558-2871