December 28, 2020 First Trust Exchange-Traded Fund IV

December 28, 2020

First Trust Exchange-Traded Fund IV

000 Xxxx Xxxxxxx Xxxxx, Xxxxx 000

Wheaton, Illinois 60187

Re: Fee Wavier Extension Letter for First Trust TCW Opportunistic Fixed Income ETF (the “Fund”), a series of First Trust Exchange-Traded Fund VIII (the “Trust”)

Ladies and Gentlemen:

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 February 13, 2017 (the “Agreement”). Capitalized terms used herein but not otherwise defined shall have the meanings attributed to them in the Agreement.

The Advisor xxxxxx agrees to waive investment management fees otherwise payable to it by the Fund in the amount of 0.10% of the Fund’s average daily net assets (the “Waived Amount”) and that the Waiver Term shall continue until December 31, 2021. The parties hereby acknowledge that with the exception of the Waived Amount and the Waiver Term, the Agreement shall remain in full force and effect.

Very Truly Yours,

FIRST TRUST ADVISORS L.P.

/s/ Xxxxx X. Xxxxx                     

Xxxxx X. Xxxxx

Chief Financial Officer

AGREED AND ACKNOWLEDGED:

First Trust Exchange-Traded Fund IV,

on behalf of First Trust TCW Opportunistic

Fixed Income ETF

/s/ Xxxxxx X. Xxxxx                           

Xxxxxx X. Xxxxx

Treasurer, Chief Financial Officer and

Chief Accounting Officer