Company: MYI
Filing Date: 2025-09-05
Form Type: 424B3
Source: 0001193125-25-196285
Chunk: 432

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-05
Form: 424B3
Chunk 432
---
11 |
| Capital structure                                                                        |     | B-11 |
| Transactions and special situations                                                      |     | B-12 |
| Corporate reporting, risk management and audit                                           |     | B-13 |
| Shareholder rights and protections                                                       |     | B-14 |
| Shareholder proposals                                                                    |     | B-15 |
| Corporate political activities                                                           |     | B-15 |
| Sustainability, or environmental and social, considerations                              |     | B-16 |
| Key stakeholders                                                                         |     | B-16 |
| Climate and decarbonization investment objectives                                        |     | B-16 |
| Appendix 1: How we fulfil and oversee our active investment stewardship responsibilities |     | B-18 |

B-4

### Overview
This document provides high level guidance on how BlackRock Active Investment Stewardship (BAIS) views corporate governance matters that are
commonly put to a shareholder vote, or on which investors engage with issuers. BAIS works in partnership with BlackRock’s investment teams, excluding index equity, providing expertise on investment stewardship, engaging with companies on
behalf of those teams when appropriate, and assisting in recommending, operationalizing and reporting on voting decisions. The guidance informs BAIS’ voting recommendations to BlackRock’s active portfolio managers. It applies to active
equity holdings in BlackRock’s fundamental equity, systematic equity and multi-asset solutions strategies. It also may apply to holdings in BlackRock’s index and active fixed income strategies, to the extent those strategies hold voting
securities or conduct issuer engagements. The guidelines are not prescriptive as active portfolio managers have discretion as to how they integrate these guidelines within their investment processes in light of their clients’ or funds’
investment objectives. There are separate, independently developed principles and voting policies that are applied to BlackRock’s index equity investments by a distinct and independent function, BlackRock Investment Stewardship.

Introduction to BlackRock

BlackRock’s purpose is to help more and more people experience financial well-being. We manage assets on behalf of institutional and
individual clients, across a full spectrum of investment strategies, asset classes, and regions. Our client base includes pension plans, endowments, foundations, charities, official institutions, insurers, and other financial institutions, as well
as individuals around the world.

About BlackRock Active Investment Stewardship

BlackRock Active Investment Stewardship (BAIS) is a specialist team within the Portfolio Management Group and manages BlackRock’s
stewardship engagement and voting on behalf