Company: MYI
Filing Date: 2025-09-08
Form Type: DEF 14A
Source: 0001193125-25-198172
Chunk: 334

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-08
Form: DEF 14A
Chunk 334
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, INC. ARTICLES OF AMENDMENT

This is to certify that:

: The charter of BlackRock MuniYield Quality Fund III, Inc., a Maryland corporation (the
“Corporation”), is amended by these Articles of Amendment, which amend that section of the charter titled Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Demand Preferred Shares, dated as
of May 17, 2011 (as amended to date, the “Governing Document”).

: The charter of the Corporation is hereby amended by deleting the first and second recitals
of the Governing Document in their entirety and replacing them with the following:

FIRST: Pursuant to authority expressly vested in the
Board of Directors of the Corporation by Article V of the Corporation’s Charter, the Board of Directors has, by resolution duly adopted on April 14, 2011, reclassified 3,564 authorized and unissued shares of common stock of the
Corporation as shares of preferred stock of the Corporation, par value $0.10 per share, as Variable Rate Demand Preferred Shares (the “VRDP Shares”). The VRDP Shares may be issued in one or more series, as designated and
authorized by the Board of Directors or a duly authorized committee thereof from time to time (each series of VRDP Shares that may be authorized and issued, a “Series”).

SECOND: Pursuant to authority expressly vested in the Board of Directors of the Corporation by Article V of the Corporation’s Charter,
the Board of Directors, by resolution duly adopted on [●], 2025, approved the reclassification of [●] authorized and unissued shares of common stock of the Corporation as additional VRDP Shares.

THIRD: The preferences (including liquidation preference), voting powers, restrictions, limitations as to dividends, qualifications, and
terms and conditions of redemption of the shares of each Series of VRDP Shares are as follows or as set forth in an amendment to these Articles Supplementary or otherwise in the Corporation’s Charter (each such Series being referred to herein
as a “Series of VRDP Shares”):

: The charter of the Corporation is
hereby amended by deleting the section titled “Designation” in the Governing Document in its entirety and replacing it with the following:

DESIGNATION

Series W-7: A series of preferred stock, par value $0.10 per share, liquidation preference $100,000
per share, has been authorized and designated as

C-1

“