The documents posted below represent the primary governing principles under which, in conjunction with adherence to the Delaware General Corporation Law, the Board of Directors and management of Acuity Brands fulfill their responsibilities to customers, employees, and shareholders. The Certificate of Incorporation and the By-Laws may be amended by the Board of Directors, subject to specified powers of stockholders, as provided in the Certificate of Incorporation, the By-Laws, and the Delaware General Corporation Law. The remaining documents may be revised by the Board of Directors.