Company: MYI
Filing Date: 2025-09-05
Form Type: 424B3
Source: 0001193125-25-196285
Chunk: 340

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-05
Form: 424B3
Chunk 340
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 and shall be governed by and construed in accordance with the laws of the State of New York
applicable to agreements made and to be performed in said state.

(d) This Agreement may be amended or modified by the
parties hereto prior to the Closing Date, by action taken or authorized by their respective Boards at any time before or after adoption of this Agreement and approval of the Reorganization by the Target Fund Shareholders or the Acquiring Fund
Shareholders, but, after any such adoption and approval, no amendment or modification shall be made which by law requires further approval by shareholders without such further approval. This Agreement may not be amended or modified except by an
instrument in writing signed on behalf of each of the Funds.

(e) This Agreement is not intended to confer upon any person
other than the parties hereto (or their respective successors and assigns) any rights, remedies, obligations or liabilities hereunder. If any provision of this Agreement shall be held or made invalid by statute rule, regulation, decision of a
tribunal or otherwise, the remainder of this Agreement shall not be affected thereby and, to such extent, the provisions of this Agreement shall be deemed severable provided that this Agreement shall be deemed modified to give effect to the fullest
extent permitted under applicable law to the intentions of the party as reflected by this Agreement prior to the invalidity of such provision.

(f) It is expressly agreed that the obligations of the Funds hereunder shall not be binding upon any of their respective
directors, trustees, shareholders, nominees, officers, agents, or employees personally, but shall bind only the property of the respective Fund. The execution and delivery of this Agreement has been authorized by the Boards of the Acquiring Fund and
the Target Fund and signed by an authorized officer of each of the Acquiring Fund and the Target Fund, acting as such, and neither such authorization by such Board nor such execution and delivery by such officer shall be deemed to have been made by
any of them individually or to impose any liability on any of them personally, but shall bind only the trust property of each Fund.

(g) This Agreement may be executed in any number of counterparts, each of which, when executed and delivered, shall be deemed
to be an original but all such counterparts together shall constitute but one instrument.

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A-21

IN WITNESS WHEREOF, the parties have hereunto caused this Agreement to be executed and delivered by their duly authorized officers as of the day and