Company: MYI
Filing Date: 2025-09-05
Form Type: 424B3
Source: 0001193125-25-196285
Chunk: 308

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-05
Form: 424B3
Chunk 308
---
 to and including the taxable year in which the Closing Date occurs. All tax liabilities of the Acquiring Fund have been adequately provided for on its books, and no tax deficiency or liability of the Acquiring Fund has been asserted and no question with respect thereto has been raised by the Internal Revenue Service or by any state or local tax authority for taxes in excess of those already paid, up to and including the taxable year in which the Closing Date occurs. (o) The Acquiring Fund is authorized to issue [199,973,636] shares of common stock, par value $0.10 per share (the “ Acquiring Fund Common Shares”), and 6,400 Auction Market Preferred Stock, par value $0.05, with a liquidation preference of $25,000, plus an amount equal to all accumulated but unpaid dividends (whether or not earned or declared) (the “Acquiring Fund AMPS Non-SeriesShares”), 1,100 shares of Auction Market Preferred Stock, Series A, par value $0.05, with a liquidation preference of $25,000, plus an amount equal to all accumulated but unpaid dividends (whether or not earned or declared) (the “Acquiring Fund AMPS Series A Shares”), 1,100 shares of Auction Market Preferred Stock, Series B, par value $0.05, with a liquidation preference of $25,000, plus an amount equal to all accumulated but unpaid dividends (whether or not earned or declared) (the “Acquiring Fund AMPS Series B Shares”), 1,100 shares of Auction Market Preferred Stock, Series C, par value $0.05, with a liquidation preference of $25,000, plus an amount equal to all accumulated but

| 4 | [Applies to MIY.] |

| 5 | [Applies to MVF and MVT.] |

| 6 | [Applies to MIY.] |

| 7 | [Applies to MVF and MVT.] |

A-3

unpaid dividends (whether or not earned or declared) (the “Acquiring Fund AMPS Series C Shares”), 1,100 shares of Auction Market Preferred Stock, Series D, par value $0.05, with
a liquidation preference of $25,000, plus an amount equal to all accumulated but unpaid dividends (whether or not earned or declared) (the “Acquiring Fund AMPS Series D Shares”), 2,000 shares of Auction Market Preferred Stock, Series E,
par