Company: NMZ
Filing Date: 2025-11-18
Form Type: N-14 8C/A
Source: 0001999371-25-018025
Chunk: 241

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-11-18
Form: N-14 8C/A
Chunk 241
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 of the Joint Proxy Statement/Prospectus or this SAI. You may also obtain a copy of the Joint Proxy Statement/Prospectus on the website of the SEC (http://www.sec.gov). Capitalized terms used but not defined in this SAI have the meanings assigned to them in the Joint Proxy Statement/Prospectus.

<div align='center'>This SAI is dated [●].

TABLE OF CONTENTS</div>

|                                                         | Page |
| Investment                                              
 Objectives, Policies and Techniques                     |    1 |
| Portfolio Composition                                   |    5 |
| Investment Restrictions                                 |   17 |
| Investment Adviser and Sub-Adviser                      |   24 |
| Portfolio Managers                                      |   26 |
| Proxy Voting Policies                                   |   30 |
| Portfolio Transactions and Brokerage                    |   31 |
| Repurchase of Fund Shares; Conversion to Open-End Fund  |   33 |
| Federal Income Tax Matters                              |   35 |
| Custodian, Transfer Agent and Dividend Disbursing Agent |   41 |
| Supplemental Financial Information and Experts          |   41 |
| Additional Information                                  |   42 |
| Appendix A Ratings of Investments                       |  A-1 |
| Appendix B Taxable Equivalent Yield Table               |  B-1 |
| Appendix C Nuveen Proxy Voting Policy                   |  C-1 |

<div align='center'>Investment Objective, Policies, and Techniques</div>

The following information supplements the information contained in the Joint Proxy Statement/Prospectus concerning the investment objectives and policies of the Funds. The investment policies described below, except as set forth under “Investment Restrictions” or as otherwise noted, are not fundamental policies and may be changed by a Fund’s Board of Trustees (each, a “Board” or the “Board,” and each trustee, a “Board Member”), without the approval of shareholders.

The Funds have similar investment objectives, but there are differences. Each Target Fund is a state-specific municipal fund that seeks to provide current income exempt from regular federal income tax and the income tax of a single state. In contrast, the Acquiring Fund is a national municipal fund that seeks to provide high current income exempt from regular federal income tax.

New Jersey Municipal’s investment objectives are to provide current income exempt from regular federal and New Jersey income tax and to enhance portfolio value relative to the municipal bond market by investing in tax-exempt municipal bonds that the Fund’s investment adviser believes are underrated or