Business Description

1. NATURE OF BUSINESS Aldeyra Therapeutics, Inc. (Aldeyra, Company, we, us and our) was incorporated in the state of Delaware on August 13, 2004 as Neuron Systems, Inc. On December 20, 2012, the Company changed its name to Aldexa Therapeutics, Inc. and, on March 17, 2014, the Company changed its name to Aldeyra Therapeutics, Inc. Aldeyra, together with its wholly-owned subsidiaries, is a clinical-stage biotechnology company devoted to discovering innovative therapies designed to treat immune-mediated diseases. The Company’s principal activities to date include research and development activities along with related general business planning, including raising capital.