Company: NMZ
Filing Date: 2025-06-30
Form Type: DEF 14A
Source: 0001193125-25-152769
Chunk: 8

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-06-30
Form: DEF 14A
Chunk 8
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-Free
Value, Municipal Value, New York Value, Select Maturities and Taxable Income, Board Members Medero, Moschner and Thornton were last elected to the Fund’s Board as Class III Board Members at the annual meeting of shareholders held on
August 8, 2024. For each of AMT-Free Credit Income, Dynamic Municipal, Credit Income, Municipal High Income, New York Quality Income and Quality Income, Board Members Medero, Starr and Thornton were last
elected to the Fund’s Board as Class III Board Members at the annual meeting of shareholders held on August 8, 2024. For each of AMT-Free Quality and New York
AMT-Free, Board Members Medero, Starr and Thornton were last elected the Fund’s Board as Class III Board Members at the annual meeting of shareholder held on August 15, 2024. For Municipal
Income, Board Member Wolff was last elected to the Fund’s Board as Class III Board Members at the annual meeting of shareholders held on August 5, 2022 and Board Member Young was last elected to the Fund’s Board as a
Class III Board Member at the annual meeting of shareholders held on August 9, 2023, and Board Members Forrester and Kenny were appointed by the Board to Municipal Income’s Board effective January 1, 2024.

Board Members Elected by Holders of Preferred Shares: For each of AMT-Free Credit Income, Dynamic Municipal, Credit
Income, Municipal High Income, New York Quality Income and Quality Income, Board Members Moschner and Wolff were last elected to the Fund’s Board at the annual meeting of shareholders held on August 8, 2024. For each of AMT-Free Quality and New York AMT-Free, Board Members Moschner and Wolff were last elected to the Fund’s Board at the annual meeting of shareholders held on
August 15, 2024.

All Board Member nominees and current and continuing Board Members are not “interested persons,” as defined in the Investment
Company Act of 1940, as amended (the “1940 Act”), of the Funds or Nuveen Fund Advisors, LLC (the “Adviser”) and have never been an employee or director of Teachers Insurance and Annuity Association of America (“TIAA”)
or Nuveen, LLC (“Nuveen”), the Adviser’s parent companies, or any affiliate. Accordingly, such Board Members are deemed “Independent Board Members.”

8

The Board unanimously recommends that shareholders vote FOR