MERRILL LYNCH MUNICIPAL BOND FUND, INC.

NATIONAL PORTFOLIO

SERIES NO. 1

FILE # 811-2688

ATTACHMENT 77O

TRADE DATE	DESCRIPTION OF SECURITY	AMOUNT PURCHASED	ISSUE SIZE	MEMBER OF UNDERWRITING SYNDICATE FROM WHOM FUND PURCHASED
1/13/00	NJ Trans Corp 6.125 9/15/14	$9,000,000	$234,115,000	Salomon Smith Barney
1/13/00	NJ Trans Corp 6.125 9/15/15	$1,000,000	$234,115,000	Salomon Smith Barney
2/17/00	Mass GO 6.0 2/1/16	$9,000,000	$496,305,000	Salomon Smith Barney
3/20/00	Puerto Rico GO 5.7 7/1/20	$10,635,000	$530,910,993	Goldman Sachs
3/20/10	Puerto Rico GO 5.75 7/1/18	$14,600,000	$530,910,993	Goldman Sachs
3/20/00	Puerto Rico GO 5.75 7/1/20	$2,000,000	$530,910,993	Goldman Sachs
4/6/00	NJS Tpk Auth 5.75 1/1/18	$1,467,375,000	$30,000,000	Salomon Smith Barney
4/12/00	NY TFA 5 7/8 11/1/17	$8,000,000	$573,405,000	Morgan Stanley
5/11/00	NYC, NY Ser A 6.25 5/15/26	$10,000,000	$666,385,000	JP Morgan
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