Effective October 18, 2023, the Board of Trustees of Eaton Vance National Municipal Opportunities Trust appointed Kenneth A. Topping as President of the Fund. Kenneth A. Topping born in 1966. Principal occupation(s) during past five years: Vice President and Chief Administrative Officer of Eaton Vance and BMR and Chief Operating Officer for Public Markets at MSIM. Officer of 107 registered investment companies managed by Eaton Vance or BMR. Formerly, Chief Operating Officer for Goldman Sachs Asset Management ?Classic?

(2009-2020).