PARTICIPANT AGREEMENT FIRST TRUST EXCHANGE-TRADED FUND III FIRST TRUST EXCHANGE-TRADED FUND IV FIRST TRUST EXCHANGE-TRADED FUND V FIRST TRUST EXCHANGE-TRADED FUND VI FIRST TRUST EXCHANGE-TRADED FUND VII FIRST TRUST EXCHANGE-TRADED ALPHADEX(R) FUND II...Participant Agreement • April 21st, 2017 • First Trust Exchange-Traded Fund Vi • Illinois
