Company: NMZ
Filing Date: 2025-01-06
Form Type: N-CSR
Source: 0001193125-25-002222
Chunk: 155

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-01-06
Form: N-CSR
Chunk 155
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2015              |     |                      $ 0 |     |          $ 0 |     |               $ 87,000 |     |    $ 886,333 |

| (1) | Aggregate Amount Outstanding: Aggregate amount outstanding represents the principal amount outstanding or liquidation preference, if applicable, as of the end of the relevant fiscal year and does not include any preferred shares noticed for redemption as noted on the Statement of Assets and Liabilities, if applicable. |

| (2) | Asset Coverage Per $100,000: Asset coverage per $100,000 is calculated by subtracting the Fund’s liabilities and indebtedness not represented by senior securities from the Fund’s total assets, dividing the result by the aggregate amount of the Fund’s senior securities representing indebtedness then outstanding (if applicable), plus the aggregate of the involuntary liquidation preference of the outstanding preferred shares, if applicable, and multiplying the result by 100,000. |

240 NMCO

|                   |     | MuniFund Preferred (MFP) Shares at the End of Period |                              |     |                                   |
| Year Ended 10/31: |     |                                                      | Aggregate Amount Outstanding 
                    (000) (1) |     | Asset Coverage Per $100,000 Share 
                               (2) |
| 2024              |     |                                                      |                    $ 415,000 |     |                         $ 254,782 |
| 2023              |     |                                                      |                    $ 430,000 |     |                         $ 228,205 |
| 2022              |     |                                                      |                    $ 450,000 |     |                         $ 237,489 |
| 2021              |     |                                                      |                    $ 450,000 |     |                         $ 283,171 |
| 2020              |     |                                                      |                    $ 450,000 |     |                         $ 251,699 |
| 2019 (3)          |     |                                                      |                          $ 0 |     |                               $ 0 |

| (1) | Aggregate Amount Outstanding: Aggregate amount outstanding represents the principal amount outstanding or liquidation preference, if applicable, as of the end of the relevant fiscal year and does not include any preferred shares noticed for redemption as noted on the Statement of Assets and Liabilities, if applicable. |

| (2) | Asset Coverage Per $100,000: Asset coverage per $100,