disposition of 63,700 of these shares of Class A common stock. This information is based on the Schedule 13G filed with the SEC on February 11, 2019. The Vanguard Group’s address is 100 Vanguard Blvd., Malvern, PA 19355. (8) Wilmot B. Harkey and Daniel Mack are the managing members of Nantahala Capital Management, LLC

pe, School of Business and Economics, University of Sydney, June 2010 "Statement of George Saute?', Managing Director and Chief Investment Officer, The Vanguard Group, SEC June 2, 2010 Market Structure Roundtable EFTA00742480 "A wake-up call for America", Grant Thornton Capital Markets Series, November 2009. Th