 Due to the rapidly evolving public health concerns relating to the coronavirus, or COVID-19, the Company has moved the physical location of the Annual Meeting to the Companys offices at 1603 Orrington Avenue, Suite 1005, Evanston, IL, 60201. As described in the proxy materials for the Annual Meeting previously distributed, stockholders are entitled to participate in and vote at the Annual Meeting if they were a stockholder as of the close of business on the record date, March 13, 2020. The Companys board of directors urges all of the Companys stockholders to appoint a proxy to ensure their vote counts at the Annual Meeting. 