ACADIA Pharmaceuticals to Present at the BIOCOM Investor Conference on October 26, 2009

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 BIOCOM Investor Conference 2009 on Monday, October 26, 2009 at 2:30 p.m. Pacific Time at the Hyatt Regency in San Diego.

A live webcast of ACADIA’s presentation 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 November 9, 2009.

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’s product candidates include pimavanserin in Phase III for Parkinson’s disease psychosis in collaboration with Biovail, a product candidate in Phase II for chronic pain and a product candidate in Phase I for glaucoma, both in collaboration with Allergan, and AM-831 in IND-track development in collaboration with Meiji Seika Kaisha. 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.