Company: MYI
Filing Date: 2025-09-05
Form Type: 424B3
Source: 0001193125-25-196285
Chunk: 391

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-05
Form: 424B3
Chunk 391
---
 BlackRock Retirement Savings Plan (RSP), and the BlackRock Employee Stock Purchase Plan (ESPP). The employer contribution
components of the RSP include a company match equal to 50% of the first 8% of eligible pay contributed to the plan capped at $5,000 per year, and a company retirement contribution equal to 3-5% of eligible
compensation up to the Internal Revenue Service limit ($350,000 for 2025). The RSP offers a range of investment options, including registered investment companies and collective investment funds managed by the firm. BlackRock, Inc. contributions
follow the investment direction set by participants for their own contributions or, absent participant investment direction, are invested into a target date fund that corresponds to, or is closest to, the year in which the participant attains age
65. The ESPP allows for investment in BlackRock, Inc. common stock at a 5% discount on the fair market value of the stock on the purchase date. Annual participation in the ESPP is limited to the purchase of 1,000 shares of common stock or a dollar
value of $25,000 based on its fair market value on the purchase date. All of the eligible portfolio managers are eligible to participate in these plans.

S-38

Securities Ownership of Portfolio Managers as of July 31, 2025, each Fund’s most recent fiscal year end

| Portfolio Manager        |     | Dollar Range of Equity 
 Securities of MVT      
 Beneficially Owned     |     | Dollar Range of Equity 
 Securities of MIY      
 Beneficially Owned     |     | Dollar Range of Equity 
 Securities of MVF      
 Beneficially Owned     |     | Dollar Range of Equity 
 Securities of the      
 Acquiring Fund         
 (MYI) Beneficially     
 Owned                  |
| Phillip Soccio, CFA      |     | None                   |     | None                   |     | $1-$10,000             |     | None                   |
| Walter O’Connor, CFA     |     | None                   |     | None                   |     | None                   |     | $1-$10,000             |
| Michael Kalinoski, CFA   |     | $10,001-$50,000        |     | None                   |     | $1-$10,000             |     | $1-$10,000             |
| Kevin Maloney, CFA       |     | None                   |     | None                   |     | None