Company: MYI
Filing Date: 2025-07-15
Form Type: 425
Source: 0001193125-25-159406
Chunk: 34

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-07-15
Form: 425
Chunk 34
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 as is consistent with its investment policies and prudent investment management. The Fund’s investment objective is a fundamental policy that may not be changed without the approval of the holders of a majority of the outstanding common shares and the outstanding preferred shares of the Fund. There can be no assurance that the investment objective of the Fund will be realized. BlackRock Advisors, LLC acts as the investment adviser for the Fund. The Investment Advisor is responsible for the management of the Fund’s portfolio and provides the necessary personnel, facilities, equipment and certain other services necessary to the operation of the Fund. The Investment Advisor, located at 100 Bellevue Parkway, Wilmington, Delaware 19809, is an indirect, majority-owned subsidiary of BlackRock, Inc.

| 13. | Additional Information. |

The Fund has filed with the Commission a Schedule TO, which provides additional information relating to the Offer. You may inspect and obtain a copy of Schedule TO by visiting the EDGAR database on the Commission’s website ( http://www.sec.gov). Copies of the Schedule TO can be obtained, for a duplicating fee, by electronic request at the following e-mailaddress: publicinfo@sec.gov.

| 14. | Certain U.S. Federal Income Tax Consequences. |

The following discussion is a general summary of certain U.S. federal income tax consequences of a participating stockholder’s sale of Shares pursuant to the Offer. This discussion is based on current U.S. federal income tax law, including the Code, existing and proposed Treasury regulations, administrative pronouncements and judicial decisions, all as currently in effect and all of which are subject to change, possibly with retroactive effect. This discussion does not apply to a stockholder that is a member of a class of holders subject to special rules (such as a dealer in securities, a trader in securities that elects to use a mark-to-marketmethod of accounting for its securities holdings, a bank, a life insurance company, a tax-exemptorganization, a person that owns Shares as part of a hedging, integrated, conversion or constructive sale transaction or as a position in a straddle, a partnership or other pass-through entity for U.S. federal income tax purposes, an accrual basis taxpayer subject to special tax accounting rules under Section 451(b) of the Code or a U.S. Shareholder (as such term is defined in Section 5, “Procedures for Tendering Shares for Purchase—U.S. Federal Income Tax Withholding” above) whose functional currency for tax purposes is not the U.S. dollar