Company: NMZ
Filing Date: 2025-11-18
Form Type: N-14 8C/A
Source: 0001999371-25-018025
Chunk: 314

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-11-18
Form: N-14 8C/A
Chunk 314
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 guidance as requested. |

Governance

Review and Approval

This Policy will be reviewed at least annually and will be updated sooner
if substantive changes are necessary. The Policy Owner, the Committee and the NEFI Compliance Committee are responsible for the review
and approval of this Policy.

Implementation

Nuveen has established the Committee to provide centralized management and
oversight of the proxy voting process administered by the Stewardship Group for the Advisers in accordance with its Proxy Voting Committee
Charter and this Policy.

Exceptions

Any request for a proposed exception or variation to this Policy will be
submitted to the Committee for approval and reported to the appropriate governance committee(s), where appropriate.

Related Documents

| ● | Nuveen Proxy Voting Committee Charter |

| ● | Nuveen Proxy Voting Guidelines |

| ● | Nuveen Proxy Voting Conflicts of Interest Policy and Procedures |

| ● | Nuveen Policy Statement on Responsible Investing |

| Policy Adoption Date                                
 Effective Date of Current Policy/Last Date Reviewed | February 3, 2020              
 September                     
 22, 2025                      |
|:----------------------------------------------------|:------------------------------|
| Governance                                          | NEFI Compliance Committee     |
| Policy Owner                                        | Nuveen Proxy Voting Committee |
| Policy Leader                                       | Nuveen Compliance             |

<div align='center'>C-5

Appendix DDERIVATIVE STRATEGIES AND RISKS</div>

Set forth below is additional information regarding the various techniques involving the use of derivatives.

FINANCIAL FUTURES

A financial future is an agreement between two parties to buy and sell a security for a set price on a future date. They have been designed by boards of trade which have been designated “contracts markets” by the Commodity Futures Trading Commission (“CFTC”).

The purchase of financial futures is for the purpose of hedging the Fund’s existing or anticipated holdings of long-term debt securities. For example, if the Fund desires to increase its exposure to long-term bonds and has identified long-term bonds it wishes to purchase at a future time, but expects market interest rates to decline (thereby causing the value of those bonds to increase), it might purchase financial futures. If interest rates did decrease, the value of those to-be-purchased long-term bonds would increase, but the value of the Fund’s financial futures would be expected to increase at approximately the same rate, thereby helping maintain the Fund’s purchasing power. When the Fund purchases a financial future, it deposits in cash or securities an “initial margin”,