EX-99.77O RULE 10F-3 3 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
4/28/2006	MASS ST SFA	40,330,000	2,900,000	Lehman Brothers Inc.; J.P. Morgan Securities Inc.; UBS Securities LLC; A.G. Edwards; Banc of America Securities LLC; First Albany Capital Inc.; Goldman Sachs & Co.; Loop Capital Markets, LLC; Merrill Lynch & Co.; Morgan Stanley; Piper Jaffray & Co.
8/2/2006	COMMONWEALTH OF PUERTO RICO	835,650,000	710,000	Morgan Stanley, Goldman Sachs & Co., Banc of America Securities LLC, Citigroup Global Markets Inc.,  J.P. Morgan Securities Inc., Lehman Brothers Inc., Merrill Lynch & Co.,  Popular Securities, Inc., Raymond James & Associates, Ramirez & Co. Inc., Wachovia Bank, National Association, UBS Securities LLC
2/08/07	DALLAS TEX AREA RAPID TRAN SALES	770,270,000	1,600,000	Goldman, Sachs & Co.; Siebert Brandford Shank & Co., LLC; Banc of America Securities LLC; Popular Securities; First Albany Capital Inc.; Merrill Lynch & Co.; Morgan Keegan & Company, Inc.; Ramirez & Co., Inc.; Southwest Securities; Walton, Johnson & Company
2/16/07	PUERTO RICO COMMONWEALTH HIGHWAY & TRANS	2,184,860,553	2,680,000	Citigroup; Goldman, Sachs & Co.; RBC Capital Markets; Banc of America Securities LLC; BBVAPR MSD; JP Morgan; Lehman Brothers; Merrill Lynch & Co.; Morgan Stanley; Popular Securities; Raymond James & Associates, Inc.; Samuel A. Ramirez & Co.; Santander Securities; UBS Investment Bank; Wachovia Bank, National Association

BlackRock MuniHoldings Fund, Inc.

FILE #811-08081

ATTACHMENT 77O

TRADE DATE	DESCRIPTION OF SECURITY	ISSUE SIZE	AMOUNT PURCHASED	LIST OF UNDERWRITERS
3/08/07	GOLD ST TOB SECURITIZATION CORP	4,446,826,391	915,000	Bear, Stearns & Co. Inc.; Goldman, Sachs & Co.; Citigroup; First Albany Capital Inc.; M.R. Beal & Company; A.G. Edwards; Banc of America Securities LLC; E.J. De La Rosa & Co., Inc.; Fidelity Capital Markets Services; Great Pacific Securities, Inc.; Jackson Securities; JPMorgan; Lehman Brothers; Loop Capital Markets, LLC; Merrill Lynch & Company; Morgan Keegan and Co., Inc.; Morgan Stanley; Prager, Sealy & Company, LLC; Ramirez & Co., Inc.; RBC Capital Markets; Siebert Brandford Shank & Co., LLC; Southwest Securities; Stone & Youngberg, LLC; UBS Investment Bank