On January 10, 2014, Thomas H. Aasen, Executive Vice President, Chief Financial Officer and Chief Business Officer of ACADIA Pharmaceuticals Inc. informed the Company that, following a transition period, he would be retiring due to health and family-related considerations. Mr. Aasen has committed to remain with the Company through the filing of its Form 10-K for fiscal 2013. In addition, ACADIA is commencing a search for Mr. Aasen's replacement as Chief Financial Officer and Mr. Aasen will be an integral part of that process and in assisting with the transition.

While no definitive departure date for Mr. Aasen is known at this point, the Company expects to complete the transition no later than mid-year.