Rule 497(e)
Registration Nos. 333-171759 and 811-22519
First Trust Exchange-Traded AlphaDEX® Fund II
(the “Trust”)
First Trust Asia Pacific ex-Japan AlphaDEX® Fund
(the “Fund”)
Supplement To the Fund’s Prospectus
August 23, 2023
Notwithstanding anything to the contrary in the Fund’s prospectus, references to “Nasdaq Asia Pacific Ex-Japan Index” are replaced with “Nasdaq Developed Markets Asia Pacific Ex-Japan Index.”
Please Keep this Supplement with your Fund Prospectus for Future Reference