Company: NMZ
Filing Date: 2025-09-29
Form Type: N-14 8C
Source: 0001999371-25-014188
Chunk: 12

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-09-29
Form: N-14 8C
Chunk 12
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 Fund is organized as a Massachusetts business trust. The enclosed proxy card and this Joint Proxy Statement/Prospectus are first being sent to shareholders of the Funds on or about [•]. 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.

This Joint Proxy Statement/Prospectus explains concisely what you should know before voting on the proposals described in this Joint Proxy Statement/Prospectus or investing in the Acquiring Fund. Please read it carefully and keep it for future reference.

The securities offered by this Joint Proxy Statement/Prospectus have not been approved or disapproved by the Securities and Exchange Commission (“SEC”), nor has the SEC passed upon the accuracy or adequacy of this Joint Proxy Statement/Prospectus. Any representation to the contrary is a criminal offense.

On any matter coming before each Meeting as to which a choice has been specified by shareholders on the accompanying proxy card, the shares will be voted accordingly where such proxy card is properly executed, timely received and not properly revoked (pursuant to the instructions below). If a proxy is returned and no choice is specified, the shares will be voted FOR each proposal. Shareholders of a Fund who execute proxies or provide voting instructions by telephone or by Internet may revoke them at any time before a vote is taken on a proposal by filing with that Fund a written notice of revocation, by delivering a duly executed proxy bearing a later date or by attending and voting in person. A prior proxy can also be revoked by voting again through the toll-free number or the Internet address listed in the proxy card. However, merely attending a Meeting will not revoke any previously submitted proxy.

The shareholders of the Target Funds and Acquiring Fund will vote on the following proposals:

Merger Proposals

| Proposal No. 1. | (Each Target Fund, Common and Preferred Shareholders; Acquiring Fund, Preferred Shareholders only) To approve an Agreement         
 and Plan of Merger that provides for: (i) the merger of the Target Fund with and into NMZ Merger Sub, LLC, a Massachusetts limited 
 liability company and a wholly-owned subsidiary of the Acquiring Fund (the “Merger Sub”), and (ii) the conversion                  
 of the issued and outstanding common and preferred shares of beneficial interest of the Target Fund into newly issued common and   
 preferred shares of beneficial interest, par value $0.01 per share, of the Ac