Company: MYI
Filing Date: 2025-09-08
Form Type: DEF 14A
Source: 0001193125-25-198172
Chunk: 344

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-08
Form: DEF 14A
Chunk 344
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XY WILL BE VOTED “FOR” THE PROPOSALS. IN THEIR DISCRETION, THE PROXIES ARE AUTHORIZED TO VOTE UPON SUCH OTHER BUSINESS AS MAY PROPERLY BE PRESENTED AT THE JOINT SPECIAL MEETING AND ANY ADJOURNMENTS OR POSTPONEMENTS THEREOF.

MYI_34668_071425_Pref PLEASE MARK, SIGN AND DATE THIS PROXY CARD ON THE REVERSE SIDE AND RETURN IT PROMPTLY USING THE ENCLOSED ENVELOPE.

| xxxxxxxxxxxxxx |     | code |

THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD. THE BOARD RECOMMENDS VOTING “FOR” THE PROPOSALS.

| TO VOTE MARK BLOCKS BELOW IN BLUE OR BLACK INK AS SHOWN IN THIS EXAMPLE: |     | ☒ |

| Proposals |

|     |     |                                                                                                                                                                                                                                                      |     | FOR |     | AGAINST |     | ABSTAIN |
| 1g. |     | Holders of Variable Rate Demand Preferred Shares                                                                                                                                                                                                     
 (“VRDP Shares” and the holders thereof, “VRDP Holders”) of the Acquiring Fund are being asked to vote as a separate class on a proposal to approve the MVT Reorganization Agreement and the transactions contemplated therein,                       
 including the adoption of Articles Supplementary of Variable Rate Demand Preferred Shares of the Acquiring Fund (“MYI Articles Supplementary”) in connection with the issuance of additional Acquiring Fund VRDP Shares.                             |     | ☐   |     | ☐       |     | ☐       |
|     |     |                                                                                                                                                                                                                                                      |     | FOR |     | AGAINST |     | ABSTAIN |
| 1h. |     | The VRDP Holders of the Acquiring Fund are being asked to                                                                                                                                                                                            
 vote as a separate class on a proposal to approve the MIY Reorganization Agreement and the transactions contemplated therein, including the adoption of MYI Articles Supplementary in connection with the issuance of additional Acquiring Fund VRDP 
 Shares.                                                                                                                                                                                                                                              |     | ☐   |     | ☐       |     | ☐       |
|     |     |                                                                                                                                                                                                                                                      |     | FOR |     | AGAINST |     | ABSTAIN |
| 1i. |     | The VRDP Holders of the Acquiring Fund are being asked to                                                                                                                                                                                            
 vote as a separate class on a proposal to approve the MVF Reorganization Agreement and the transactions contemplated