Form N-PX/A - Annual Report of proxy voting record of management investment companies: [Amend]

FORM N-PX

ANNUAL REPORT OF PROXY VOTING RECORD OF

REGISTERED MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-21449

Nuveen Municipal High Income Opportunity Fund

(Exact name of registrant as specified in charter)

333 West Wacker Drive, Chicago, Illinois 60606

(Address of principal executive offices) (Zip Code)

David J. Lamb – Chief Administrative Officer

(Name and address of agent for service)

Registrant’s telephone number, including area code: 312-917-7700

Date of fiscal year-end: October 31

Date of reporting period: June 30, 2023

Item 1. Proxy Voting Record

FORM N-PX

ICA File Number: 811-21449

Registrant Name: Nuveen Municipal High Income Opportunity Fund

Reporting Period: 07/01/2022 - 06/30/2023

Nuveen Municipal High Income Opportunity Fund


AMERICAN AIRLINES GROUP INC. Meeting Date: MAY 10, 2023 Record Date: MAR 13, 2023 Meeting Type: ANNUAL
Ticker: AAL Security ID: 02376R102
Proposal No	Proposal	Proposed By	Management Recommendation	Vote Cast
1A	Elect Director Jeffrey D. Benjamin	Management	For	For
1B	Elect Director Adriane M. Brown	Management	For	For
1C	Elect Director John T. Cahill	Management	For	For
1D	Elect Director Michael J. Embler	Management	For	For
1F	Elect Director Matthew J. Hart	Management	For	For
1G	Elect Director Robert D. Isom	Management	For	For
1H	Elect Director Susan D. Kronick	Management	For	For
1I	Elect Director Martin H. Nesbitt	Management	For	For
1J	Elect Director Denise M. O'Leary	Management	For	For
1K	Elect Director Vicente Reynal	Management	For	For
1L	Elect Director Gregory D. Smith	Management	For	For
1M	Elect Director Douglas M. Steenland	Management	For	For
2	Ratify KPMG LLP as Auditors	Management	For	For
3	Advisory Vote to Ratify Named Executive Officers' Compensation	Management	For	For
4	Advisory Vote on Say on Pay Frequency	Management	One Year	One Year
5	Approve Omnibus Stock Plan	Management	For	For
6	Adopt Simple Majority Vote	Shareholder	For	For


ENERGY HARBOR CORP. Meeting Date: SEP 09, 2022 Record Date: AUG 15, 2022 Meeting Type: WRITTEN CONSENT
Ticker: ENGH Security ID: 29279N102
Proposal No	Proposal	Proposed By	Management Recommendation	Vote Cast
1	Elect Director John W. Judge	Management	For	For
2	Elect Director John Kiani	Management	For	For
3	Elect Director Douglas G. Johnston	Management	For	For
4	Elect Director John W. (Bill) Pitesa	Management	For	For
5	Elect Director Stephen E. Burnazian	Management	For	For
6	Elect Director Kevin T. Howell	Management	For	For
7	Elect Director Jennifer R. Kneale	Management	For	For
8	Elect Director John C. Blickle	Management	For	For

END NPX REPORT

SIGNATURES:

Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Nuveen Municipal High Income Opportunity Fund