Company: NMZ
Filing Date: 2025-01-06
Form Type: N-CSR
Source: 0001193125-25-002222
Chunk: 156

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-01-06
Form: N-CSR
Chunk 156
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 does not include any preferred shares noticed for redemption as noted on the Statement of Assets and Liabilities, if applicable. |

| (2) | Asset Coverage Per $1,000: Asset coverage per $1,000 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 1,000. |

| (3) | 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. |

| (4) | For the period August 26, 2020 (commencement of operations) through October 31, 2020. |

UNRESOLVED STAFF COMMENTS Each Fund believes that there are no material unresolved written comments, received 180 days or more before October 31, 2024, from the Staff of the Securities and Exchange Commission (SEC) regarding any of its periodic or current reports under the Securities Exchange Act or Investment Company Act of 1940, or its registration statement. 241 Important Tax Information (Unaudited) As required by the Internal Revenue Code and Treasury Regulations, certain tax information, as detailed below, must be provided to shareholders. Shareholders are advised to consult their tax advisor with respect to the tax implications of their investment. The amounts listed below may differ from the actual amounts reported on Form 1099-DIV, which will be sent to shareholders shortly after calendar year end. Long-Term Capital Gains As of year end, each Fund designates the following distribution amounts, or maximum amount allowable, as being from net long-term capital gains pursuant to Section 852(b)(3) of the Internal Revenue Code:

| Fund |     | Net Long-Term 
 Capital Gains |
| NVG  |     | $–            |
| NZF  |     | –             |
| NMZ  |     | –             |
| NMCO |     | –             |
| NDMO |