Company: NMZ
Filing Date: 2025-01-06
Form Type: N-CSR
Source: 0001193125-25-002222
Chunk: 152

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-01-06
Form: N-CSR
Chunk 152
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 | $2.50 |     | $2.50 |     | $2.50 |

| (1) | The maximum sales charge for offerings made at-the-market is 1.00%. If the Common Shares are sold to or through underwriters in an offering that is not made at-the-market, the applicable Prospectus Supplement will set forth any other applicable sales load and the estimated offering expenses. Fund shareholders will pay all offering expenses involved with an offering. |

| (2) | You will be charged a $2.50 service charge and pay brokerage charges if you direct Computershare Inc. and Computershare Trust Company, N.A., as agent for the common shareholders, to sell your Common Shares held in a dividend reinvestment account. |

| Annual Expenses (As a Percentage of Net Assets Attributable to Common Shares) (1) |     | NMZ   |     | NMCO  |     | NDMO  |
| Management Fees                                                                   |     | 1.05% |     | 1.49% |     | 1.16% |
| Interest and Other Related Expenses (2)                                           |     | 2.65% |     | 3.11% |     | 1.68% |
| Other Expenses (3)                                                                |     | 0.11% |     | 0.14% |     | 0.14% |
| Total Annual Expenses                                                             |     | 3.81% |     | 4.74% |     | 2.99% |

| (1) | Stated as percentages of average net assets attributable to Common Shares for the fiscal year ended October 31, 2024. |

| (2) | Interest and Other Related Expenses reflect actual expenses and fees for leverage incurred by a Fund for the fiscal year ended October 31, 2024. The types of leverage used by the Fund during the fiscal year ended October 31, 2024 are described in the Fund Leverage and the Notes to Financial Statements sections of this annual report. Actual Interest and Other Related Expenses incurred in the future may be higher or lower. If short-term market interest rates rise in the future, and if the Fund continues to maintain leverage, the cost of which is tied to short-term interest rates, the Fund’s interest expenses on its short-term borrowings can be expected to rise in tandem. The Fund’s use of leverage will increase the amount of management fees paid to the Fund’s adviser and sub