Company: MYI
Filing Date: 2025-08-08
Form Type: PRE 14A
Source: 0001193125-25-176952
Chunk: 28

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-08-08
Form: PRE 14A
Chunk 28
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 your financial intermediary or other nominee, reflecting your Fund holdings along with your name and email address to Georgeson LLC, each Fund’s tabulator. You may email an image of your legal proxy to shareholdermeetings@computershare.com. Requests for registration must be received no later than 5:00 p.m. (Eastern Time) three business days prior to the Special Meeting date. You will receive a confirmation email 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 or voting instruction form you receive, and if received by mail, returning it in the accompanying postage-paid return envelope.

The officers or directors of each Fund named as proxies by shareholders may participate in the Special
Meeting by remote communications, including, without limitation, by means of a conference telephone or similar communications equipment by means of which all persons participating in the Special Meeting can hear and be heard by each other, and the
participation of such officers, directors or trustees in the Special Meeting pursuant to any such communications system shall constitute presence at the Special Meeting.

THE BOARD OF DIRECTORS (EACH, A “BOARD”) OF EACH OF THE FUNDS RECOMMENDS THAT YOU VOTE YOUR SHARES BY INDICATING YOUR VOTING INSTRUCTIONS ON THE ENCLOSED PROXY CARD, DATING AND SIGNING SUCH PROXY CARD AND RETURNING IT IN THE ENVELOPE PROVIDED, WHICH IS ADDRESSED FOR YOUR CONVENIENCE AND NEEDS NO POSTAGE IF MAILED IN THE UNITED STATES, OR BY RECORDING YOUR VOTING INSTRUCTIONS BY TELEPHONE OR VIA THE INTERNET.

iii

THE BOARD OF EACH FUND UNANIMOUSLY RECOMMENDS THAT YOU CAST YOUR VOTE FORTHE APPLICABLE REORGANIZATION AGREEMENT AND FORTHE ISSUANCE OF ADDITIONAL COMMON SHARES OF THE ACQUIRING FUND, AS APPLICABLE, IN EACH CASE, AS DESCRIBED IN THE JOINT PROXY STATEMENT/PROSPECTUS FOR COMMON SHAREHOLDERS OR THE PROXY STATEMENT FOR PREFERRED SHAREHOLDERS, AS APPLICABLE.

IN ORDER TO AVOID THE ADDITIONAL EXPENSE OF FURTHER SOLICITATION, WE ASK THAT YOU MAIL YOUR PROXY CARD OR RECORD YOUR VOT