THE FIRST TRUST COMBINED SERIES 623 TRUST AGREEMENT Dated: May 11, 2023Trust Agreement • May 11th, 2023 • First Trust Combined Series 623
This Trust Agreement among First Trust Portfolios L.P., as Depositor, The Bank of New York Mellon, as Trustee and First Trust Advisors L.P., as Portfolio Supervisor sets forth certain provisions in full and incorporates other provisions by reference to the document entitled "Standard Terms and Conditions of Trust for The First Trust Combined Series 616 and subsequently deposited Series, effective October 27, 2022" (herein called the "Standard Terms and Conditions of Trust"), and such provisions as are set forth in full and such provisions as are incorporated by reference constitute a single instrument. All references herein to Articles and Sections are to Articles and Sections of the Standard Terms and Conditions of Trust.
