Company: MYI
Filing Date: 2025-08-08
Form Type: PRE 14A
Source: 0001193125-25-176952
Chunk: 6

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-08-08
Form: PRE 14A
Chunk 6
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 its registration under the 1940 Act, and the liquidation, dissolution and termination of MIY in accordance with its charter and Maryland law (the “MIY Reorganization”). i

You are also being asked to vote as a separate class on a proposal to approve the MIY
Reorganization Agreement and the MIY Reorganization.

Preferred Shareholders of BlackRock MuniVest Fund, Inc. (NYSE Ticker: MVF):
You and the common shareholders are being asked to vote as a single class on a proposal to approve an Agreement and Plan of Reorganization between MVF and the Acquiring Fund (the “MVF Reorganization Agreement” and collectively with the MVT
Reorganization Agreement and the MIY Reorganization Agreement, the “Reorganization Agreements”) and the transactions contemplated therein, including (i) the acquisition by the Acquiring Fund of substantially all of MVF’s assets
and the assumption by the Acquiring Fund of substantially all of MVF’s liabilities in exchange solely for newly issued common shares and VRDP Shares of the Acquiring Fund, which will be distributed to the common shareholders (although cash may
be distributed in lieu of fractional common shares) and VMTP Holders, respectively, of MVF, and which shall constitute the sole consideration to be distributed or paid to the common shareholders (although cash may be distributed in lieu of
fractional common shares) and the VMTP Holders of MVF in respect of their common shares and VMTP Shares of MVF, respectively, and (ii) the termination by MVF of its registration under the 1940 Act, and the liquidation, dissolution and
termination of MVF in accordance with its charter and Maryland law (the “MVF Reorganization” and collectively with the MVT Reorganization and the MIY Reorganization, the “Reorganizations”).

You are also being asked to vote as a separate class on a proposal to approve the MVF Reorganization Agreement and the MVF Reorganization.

Preferred Shareholders of BlackRock MuniYield Quality Fund III, Inc. (NYSE Ticker: MYI): You and the common shareholders are being
asked to vote as a single class on a proposal to approve the issuance of additional common shares of the Acquiring Fund in connection with each Reorganization Agreement (each, an “Issuance” and collectively, the “Issuances”).

You are also being asked to vote as a separate class on a proposal to approve each Reorganization Agreement and the transactions
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