Company: MYI
Filing Date: 2025-09-05
Form Type: 424B3
Source: 0001193125-25-196285
Chunk: 404

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-05
Form: 424B3
Chunk 404
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 included in investment models developed by BlackRock for use by clients and financial advisors. To the extent clients invest in these investment models and increase the assets under management of a Fund, the investment management fee amounts paid
by a Fund to BlackRock may also increase. The net asset value and liquidity of the Fund may be impacted by purchases and sales of a Fund by model-driven investment portfolios, as well as by BlackRock itself and by its advisory clients.

In addition, certain principals and certain employees of the Investment Advisor are also principals or employees of other
business units or entities within BlackRock. As a result, these principals and employees may have obligations to such other business units or entities or their clients and such obligations to other business units or entities or their clients may be
a consideration of which investors in a Fund should be aware.

BlackRock may enter into transactions and invest in
securities, instruments and currencies on behalf of a Fund in which clients of BlackRock, or, to the extent permitted by the SEC and applicable law, BlackRock, serves as the counterparty, principal or issuer. In such cases, such party’s
interests in the transaction will be adverse to the interests of a Fund, and such party may have no incentive to assure that such Fund obtains the best possible prices or terms in connection with the transactions. In addition, the purchase, holding
and sale of such investments by a Fund may enhance the profitability of BlackRock.

BlackRock may also create, write or
issue derivatives for its clients, the underlying securities, currencies or instruments of which may be those in which a Fund invests or which may be based on the performance of such Fund. Additionally, an affiliate of BlackRock will create, write
or issue options, which may be based on the performance of certain BlackRock-advised funds. BlackRock has entered into an arrangement with Markit Indices Limited, the index provider for underlying fixed-income indexes used by certain iShares ETFs,
related to derivative fixed-income products that are based on such iShares ETFs. Trading activity in these derivative products could also potentially lead to greater liquidity for such products, increased purchase activity with respect to these
iShares ETFs and increased assets under management for BlackRock.

A Fund may, subject to applicable law, purchase
investments that are the subject of an underwriting or other distribution by BlackRock and may also enter into transactions with other clients of BlackRock where such other clients have interests adverse to those of such Fund. At times, these
activities may cause business