EATON VANCE NATIONAL MUNICIPAL OPPORTUNITIES TRUST
Supplement to Statement of Additional Information (“SAI”) dated July 28, 2022
EATON VANCE SENIOR INCOME TRUST
Supplement to SAI dated August 25, 2022
EATON VANCE FLOATING-RATE INCOME TRUST
Supplement to SAI dated September 27, 2022
EATON VANCE SENIOR FLOATING-RATE TRUST
Supplement to SAI dated March 31, 2023
Effective January 1, 2024:
1. The following replaces the “Principal Officers who are not Trustees” table under “Trustees and Officers”:
| Principal Officers who are not Trustees | ||||||
| Name and Year of Birth | Trust/Portfolio Position(s) | Length of Service | Principal Occupation(s) During Past Five Years | |||
| KENNETH A. TOPPING 1966 | President | Since 2023 | 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. Also Vice President of Calvert Research and Management (“CRM”) since 2021. Formerly, Chief Operating Officer for Goldman Sachs Asset Management ‘Classic’ (2009-2020). | |||
| DEIDRE E. WALSH 1971 | Vice President and Chief Legal Officer | Since 2021 | Vice President of Eaton Vance and BMR. Officer of 127 registered investment companies managed by Eaton Vance or BMR. Also Vice President of CRM and officer of 46 registered investment companies advised or administered by CRM since 2021. | |||
| JAMES F. KIRCHNER 1967 | Treasurer | Since 2013 | Vice President of Eaton Vance and BMR. Officer of 127 registered investment companies managed by Eaton Vance or BMR. Also Vice President of CRM and officer of 46 registered investment companies advised or administered by CRM since 2016. | |||
| NICHOLAS DI LORENZO 1987 | Secretary | Since 2022 | Officer of 127 registered investment companies managed by Eaton Vance or BMR. Formerly, associate (2012-2021) and counsel (2022) at Dechert LLP. | |||
| LAURA T. DONOVAN 1976 | Chief Compliance Officer | Since 2024 | Vice President of Eaton Vance and BMR. Officer of 127 registered investment companies managed by Eaton Vance or BMR. | |||
| December 22, 2023 |