Company: MYI
Filing Date: 2025-09-05
Form Type: 424B3
Source: 0001193125-25-196285
Chunk: 287

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-05
Form: 424B3
Chunk 287
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---------------|------------:|:----|:------------|:---------|:--|:----|:---------------|------------:|
| Common Shares(1)                           |     | $   | 230,139,137 |     | $              | 748,024,838 |     | $           | (754,000 | ) |     | $              | 977,409,975 |
| VMTP/VRDP Shares                           |     | $   |  77,700,000 |     | $              | 356,400,000 |     | $           | —        |   |     | $              | 434,100,000 |
| Shares Outstanding                         |     |     |             |     |                |             |     |             |          |   |     |                |             |
| Common Shares                              |     |     |  20,861,423 |     |                |  66,467,251 |     |             | (423,174 | ) |     |                |  86,905,500 |
| VMTP/VRDP Shares                           |     |     |         777 |     |                |       3,564 |     |             | —        |   |     |                |       4,341 |
| NAV per Common Share                       |     | $   |       11.03 |     | $              |       11.25 |     | $           | —        |   |     | $              |       11.25 |
| Liquidation Preference per VMTP/VRDP Share |     | $   |     100,000 |     | $              |     100,000 |     | $           | —        |   |     | $              |     100,000 |

| (1) | Based on the number of outstanding common shares as of July 31, 2025. |

| (2) | Reflects non-recurring aggregate estimated Reorganization expenses of                                                                                                                                                                             
 $754,000, of which $274,000 was attributable to MVT, and $480,000 was attributable to the Acquiring Fund. The actual costs associated with the Reorganizations may be more or less than the estimated costs discussed herein. These costs will be 
 amortized over the life of the VRDP Shares by the Combined Fund.                                                                                                                                                                                  |

| (3) | Reflects adjustments due to differences in per common share NAV. |

Capitalization of MIY and