Company: NMI
Filing Date: 2025-07-07
Form Type: N-CSRS
Source: 0001193125-25-155990
Chunk: 4

Company: NUVEEN MUNICIPAL INCOME FUND INC
Filing Date: 2025-07-07
Form: N-CSRS
Chunk 4
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ary of Terms Used in this Report for further definition of the terms used within this section. Performance*

|                           |            |           |         |     |         |         |     |                | Total Returns as of 
 April 30, 2025      |       |     |        |       |     |         |       |
|:--------------------------|:-----------|:----------|:--------|:----|:--------|:--------|:----|:---------------|:--------------------|:------|:----|:-------|:------|:----|:--------|:------|
|                           | Cumulative |           |         |     |         |         |     | Average Annual |                     |       |     |        |       |     |         |       |
|                           |            | Inception 
 Date      |         |     | 6-Month |         |     |                | 1-Year              |       |     | 5-Year |       |     | 10-Year |       |
| NUV at Common Share NAV   |            |           | 6/17/87 |     |         | (1.07)% |     |                |                     | 1.59% |     |        | 1.48% |     |         | 2.47% |
| NUV at Common Share Price |            |           | 6/17/87 |     |         | (0.53)% |     |                |                     | 6.77% |     |        | 1.74% |     |         | 2.54% |
| S&P Municipal Bond Index  |            |           | —       |     |         | (0.45)% |     |                |                     | 2.28% |     |        | 1.39% |     |         | 2.20% |

| *For | purposes of Fund performance, relative results are measured against the S&P Municipal Bond Index. |

Daily Common Share NAV and Share Price

| Common    
 Share NAV |     |      Common 
 Share Price |     | Premium/(Discount) 
 to NAV             |     | Average                   
 Premium/(Discount) to NAV |
| $9.01     |     |       $8.67 |     | (3.77)%            |     | (5.21)%                   |

8

Holdings

| Fund Allocation (% of net assets) |     |       |    |
| Municipal Bonds                   |     |