Company: MYI
Filing Date: 2025-07-16
Form Type: N-14 8C
Source: 0001193125-25-159991
Chunk: 245

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-07-16
Form: N-14 8C
Chunk 245
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 Fund’s past performance does not indicate or guarantee how its common shares will perform in the future. Investment return and principal value of an investment will fluctuate so that the common shares, when sold, may be worth more or less than the original cost. Current performance may be lower or higher than the performance quoted, and numbers may reflect small variances due to rounding. Standardized performance and performance data current to the most recent month end may be obtained by visiting the “Closed-EndFunds” section of www.blackrock.com. References to BlackRock’s website are intended to allow investors public access to information regarding the Funds and do not, and are not intended to, incorporate BlackRock’s website in this Joint Proxy Statement/Prospectus. Average Annual Total Returns as of March 31, 2025

|                                                 |     |     |     | Trailing 12- 
 month        
 Distribution 
 Yield        
 based        
 on March 31, 
 2025         
 NAV          |       |     | One Year   
 ended      
 March 31,  
 2025 based 
 on NAV     |        |     | One Year   
 ended      
 March 31,  
 2025 based 
 on Market  
 Price      |       |     | Annualized Rates of Return 
 Five Years                 
 ended                      
 March 31,                  
 2025 based                 
 on NAV                     |       |     | Five Years 
 ended      
 March 31,  
 2025 based 
 on Market  
 Price      |        |     | Ten Years  
 ended      
 March 31,  
 2025 based 
 on NAV     |       |     | Ten Years  
 ended      
 March 31,  
 2025 based 
 on Market  
 Price      |       |
|:------------------------------------------------|:----|:----|:----|:-------------|:------|:----|:-----------|:-------|:----|:-----------|:------|:----|:---------------------------|:------|:----|:-----------|:-------|:----|:-----------|:------|:----|:-----------|:------|
| BlackRock MuniVest Fund II, Inc                 |     | MVT |     |              | 5.35% |     |            | -0.01% |     |            | 2.58% |     |                            | 0.91% |     |            | -0.17% |     |            | 2.04% |     |            | 0.98%