February 23, 2018 First Trust Exchange-Traded Fund IV 120 East Liberty Drive, Suite 400 Wheaton, Illinois 60187 Re: Fee Wavier Extension Letter for First Trust Enhanced Short Maturity ETF (the "Fund"), a series of First Trust Exchange-Traded Fund IV...First Trust Exchange-Traded Fund Iv • February 28th, 2018
Reference is hereby made to that certain Fee Waiver Agreement between the Trust, on behalf of the Fund, and First Trust Advisors L.P., the investment advisor to the Fund (the "Advisor"), dated as of August 1, 2014 (the "Agreement"). Capitalized terms used herein but not otherwise defined shall have the meanings attributed to them in the Agreement.
