Company: NMZ
Filing Date: 2025-09-29
Form Type: N-14 8C
Source: 0001999371-25-014188
Chunk: 10

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-09-29
Form: N-14 8C
Chunk 10
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 in office in the event the Merger of such Fund is not consummated in a timely manner.

Only shareholders of record of each Fund as of the close of business on [•] are entitled to notice of and to vote at the Meetings and any and all adjournments or postponements thereof. The preferred shareholders of each Target Fund are being solicited to vote on the proposals described above by means of one or more separate proxy statements.

All Fund shareholders entitled to vote at the Meetings are cordially invited to attend the Meetings. In order to avoid delay and additional expense for the Funds and to assure that your shares are represented, please vote as promptly as possible, regardless of whether or not you plan to attend your Meeting. You may vote by attending your Fund’s Meeting or by mail, by telephone or over the Internet.

| ● | To                                                                                 
 vote by mail, please mark, sign, date and mail the enclosed proxy card. No postage 
 is required if mailed in the United States.                                        |

| ● | To                                                                                 
 vote by telephone, please call the toll-free number located on your proxy card and 
 follow the recorded instructions, using your proxy card as a guide.                |

| ● | To                                                                                
 vote over the Internet prior to the Meeting, go to the Internet address provided  
 on your proxy card and follow the instructions, using your proxy card as a guide. |

If you intend to attend a Meeting in person and you are a record holder of a Fund’s shares, in order to gain admission, you must show photographic identification, such as your driver’s license. If you intend to attend a Meeting in person and you hold your shares through a bank, broker or other custodian, in order to gain admission you must show photographic identification, such as your driver’s license, and satisfactory proof of ownership of shares of such Fund, such as your voting instruction form (or a copy thereof) or broker’s statement indicating ownership as of a recent date. If you hold your shares in a brokerage account or through a bank or other nominee, you will not be able to vote in person at your Fund’s Meeting unless you have previously requested and obtained a “legal proxy” from your broker, bank or other nominee and present it at such Meeting.

| Mark                         
 L. Winget                    
 Vice President and Secretary 
 The Nuveen Closed-End Funds  |

The information in this Prospectus is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective