Company: NMZ
Filing Date: 2025-07-07
Form Type: N-CSRS
Source: 0001193125-25-156000
Chunk: 50

Company: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
Filing Date: 2025-07-07
Form: N-CSRS
Chunk 50
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 equal to the higher of (a) OBFR (Overnight Bank Funding Rate) plus 1.20% per annum or (b) the Fed Funds Effective Rate plus 1.20% per annum on amounts borrowed. Interest expense incurred by the Participating Funds, when applicable, is recognized as a component of “Interest expense and amortization of offering costs” on the Statement of Operations. Participating Funds paid administration, legal and arrangement fees, which are recognized as a component of “Interest expense and amortization of offering costs” on the Statement of Operations, and along with commitment fees, have been allocated among such Participating Funds based upon the relative proportions of the facility’s aggregate capacity reserved for them and other factors deemed relevant by the Adviser and the Board of each Participating Fund. During the current fiscal period, the following Funds utilized this facility. Each Fund’s maximum outstanding balance during the utilization period was as follows:

| Fund |     | Maximum             
 Outstanding Balance |            |
|:-----|:----|:--------------------|-----------:|
| NVG  |     | $                   | 17,000,000 |
| NZF  |     |                     | 24,200,000 |
| NMZ  |     |                     |  8,688,500 |
| NMCO |     |                     |  4,286,001 |
| NDMO |     |                     |  1,945,877 |

During the Funds’ utilization period(s) during the current fiscal period, the average daily balance outstanding and average annual interest rate on Borrowings were as follows:

| Fund |     | Utilization  
 Period (Days 
 Outstanding) |    |     | Average       
 Daily Balance 
 Outstanding   |            |     | Average Annual 
 Interest Rate  |      |   |
|:-----|:----|:-------------|---:|:----|:--------------|-----------:|:----|:---------------|-----:|:--|
| NVG  |     |              | 15 |     | $             |  9,720,902 |     |                | 5.53 | % |
| NZF  |     |              |  5 |     |               | 17,160,000 |     |                | 5.53 |   |
| NMZ  |     |              |  2 |     |               |  8,688,500 |     |                | 5.53 |   |
| NMCO