Company: MYI
Filing Date: 2025-07-16
Form Type: N-14 8C
Source: 0001193125-25-159991
Chunk: 43

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-07-16
Form: N-14 8C
Chunk 43
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) three business days prior to the Special Meeting date. You will receive a confirmation email

iv

from Georgeson LLC of your registration and a control number and security code that will allow you to vote at the Special Meeting.

Even if you plan to attend the Special Meeting, please promptly follow the enclosed instructions to submit voting instructions by telephone or via the Internet. Alternatively, you may submit voting instructions by signing and dating each proxy card you receive, and if received by mail, returning it in the accompanying postage-paid return envelope.

For information regarding how to access the Special Meeting, please contact Georgeson LLC, the firm assisting us in
the solicitation of proxies, toll free at [1-888-666-2580].

This Joint Proxy Statement/Prospectus sets forth concisely the information that common shareholders of each Fund should know before voting on
the proposals set forth herein. Please read it carefully and retain it for future reference. A Statement of Additional Information, dated August [●], 2025, relating to this Joint Proxy Statement/Prospectus (the “Statement of Additional
Information”) has been filed with the United States Securities and Exchange Commission (the “SEC”) and is incorporated herein by reference. Copies of each Fund’s most recent annual report and semi-annual report can be obtained on
a website maintained by BlackRock, Inc. (“BlackRock”) at www.blackrock.com. In addition, each Fund will furnish, without charge, a copy of the Statement of Additional Information, or its most recent annual report or semi-annual report to
any shareholder upon request. Any such request should be directed to BlackRock by calling (800) 882-0052or by writing to the respective Fund at 100 Bellevue Parkway, Wilmington, Delaware 19809. The
Statement of Additional Information and the annual and semi-annual reports of each Fund are available on the EDGAR Database on the SEC’s website at www.sec.gov. The address of the principal executive offices of the Funds is 100 Bellevue
Parkway, Wilmington, Delaware 19809, and the telephone number is (800) 882-0052.

Each Fund is
subject to the informational requirements of the Securities Exchange Act of 1934 (the “Exchange Act”) and the 1940 Act and, in accordance therewith, file reports, proxy statements, proxy materials and other information with the SEC.
Materials filed with the SEC can be downloaded from the SEC’s website at www.sec.gov. You may also request