Company: MYI
Filing Date: 2025-09-05
Form Type: 424B3
Source: 0001193125-25-196285
Chunk: 342

Company: BLACKROCK MUNIYIELD QUALITY FUND III, INC.
Filing Date: 2025-09-05
Form: 424B3
Chunk 342
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ate or in any manner transfer, as security for indebtedness, any securities owned or held by the Fund except as may be necessary in connection with borrowings mentioned in investment restriction (4) above or except as may be necessary in connection with transactions in financial futures contracts and options thereon. If a percentage restriction on the investment policies or the investment or use of assets set forth above is adhered to at the time a transaction is effected, later changes in percentage resulting from changing values will not be considered a violation. The Fund is currently classified as a diversified fund under the 1940 Act. This means that the Fund may not purchase securities of an issuer (other than (i) obligations issued or guaranteed by the U.S. government, its agencies or instrumentalities and (ii) securities of other investment companies) if, with respect to 75% of the market value of its total assets, (a) more than 5% of the market value of the Fund’s total assets would be invested in securities of a single issuer or (b) the Fund would hold more than 10% of the outstanding voting securities of that issuer. With respect to the remaining 25% of its total assets, the Fund can invest more than 5% of its assets in one issuer. Under the 1940 Act, a fund cannot change its classification from diversified to non-diversifiedwithout shareholder approval. MVT The Fund’s investment objective and the following investment restrictions are fundamental and cannot be changed without the approval of the holders of a majority of the Fund’s outstanding voting securities (defined in the 1940 Act as the lesser of (a) more than 50% of the outstanding shares (including common shares and any outstanding shares of preferred stock (“preferred shares”)) or (b) 67% or more of the shares (including common shares and any outstanding preferred shares) represented at a meeting at which more than 50% of the outstanding shares (including common shares and any outstanding preferred shares) are represented) and the approval of the holders of a majority of any outstanding preferred shares voting separately as a class. All other investment policies or practices are considered by the Fund not to be fundamental and accordingly may be changed without shareholder approval. If a percentage restriction on investment or use of assets set forth below is adhered to at a time a transaction is effected, later changes in the percentage resulting from changing market values will not be considered a deviation from policy. The Fund may not:

| • |     | with respect to 75% of its