NAME OF SUBSIDIARY

JURISDICTION OF INCORPORATION

ACADIA Pharmaceuticals A/S

Denmark

ACADIA Pharmaceuticals GmbH

Switzerland

ACADIA Pharma Limited

CerSci Therapeutics Incorporated

Amorsa Therapeutics Inc.

United Kingdom

Delaware

Delaware

Acadia Pharmaceuticals Holdings Inc.

Delaware

Levo Therapeutics, Inc.

Delaware

Pandeia Therapeutics

United Kingdom