EXHIBIT 12(a)
CERTIFICATE OF THE SOLE STOCKHOLDER OF
MASTER U.S. HIGH YIELD TRUST
Merrill Lynch U.S. High Yield Fund, Inc., a holder of $100,000 of shares
of beneficial interst of Master U.S. High Yield Trust, a Delaware business trust
(the "Trust"), does hereby confirm to the Trust its representation that it
purchased such shares for investment purposes, with no present intention of
redeeming or reselling any portion thereof.
MERRILL LYNCH U.S. HIGH YIELD FUND, INC.
By:
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Authorized Officer
Dated: August 30, 2000