EX-99.77O RULE 10F-3 4 mh77o.htm

10F-3 TRANSACTIONS

                                                BLACKROCK MUNIHOLDINGS FUND, INC

           FILE #811-08081

ATTACHMENT 77O

TRADE DATE	DESCRIPTION OF SECURITY	ISSUE SIZE	AMOUNT PURCHASED	LIST OF UNDERWRITERS
08/02/2006	Commonwealth of Puerto Rico	835,650,000	710,000	Morgan Stanley, Goldman Sach & Co., Banc of America Securities LLC, Citigroup Global Markets, JP Morgan Securities Inc., Lehman Brothers, Merrill Lynch & Co., Popular Securities, Raymond James & Associates, Ramirez & Co., Wachovia Bank, UBS Securities LLC