EX-99.77O RULE 10F-3 3 muv77o.htm

10F-3 TRANSACTIONS

BLACKROCK MuniVest Fund, Inc.

FILE #811-05611

            ATTACHMENT 77O

TRADE DATE	DESCRIPTION OF SECURITY	ISSUE SIZE	AMOUNT PURCHASED	LIST OF UNDERWRITERS
2/16/2007	PUETRO RICO COMMONWEALTH HIGHWAY	2,184,860,553	6,200,000	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
3/8/2007	GOLDEN STATE TOBACCO	4,446,826,391.40	3,300,000	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

BLACKROCK MuniVest Fund, Inc.

FILE #811-05611

            ATTACHMENT 77O

3/8/2007	GOLDEN STATE TOBACCO	4,446,826,391.40	1,600,000	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
5/9/2007	MARYLAND DEPT OF HOUSING COMMUNITY DEVE ADMIN	220,000,000	4,200,000	Ferris, Baker Watts Incorporated; Bear, Stearns & Co. Inc.; UBS Investment Bank; Citigroup Global Markets Inc.; Loop Capital Markets, L.L.C; M.R. Beal & Company; Merrill Lynch & Co.
6/21/2007	CALIFORNIA STATE GO	250,000,000	9,200,000	Citigroup Global Markets Inc., Banc of America Securities LLC, E.J. De La Rosa & Co., Inc., Fidelity Capital Markets Services, Alamo Capital, ALTA CAPITAL GROUP LLC, Backstrom McCarley Berry  & Co.,LLC, Bear, Stearns & Co. Inc., Comerica Securities, Crocker Securities LLC, Goldman, Sachs & Co.,Great Pacific Securities Inc., Grigsby & Associates, Inc., J.P. Morgan Securities Inc., Henderson Capital Partners, Inc., Lehman Brothers, Merrill Lynch & Co., Morgan Stanley & Co. Incorporated, RBC Capital Markets,Ramirez & Co., Inc., Siebert Brandford Shank & Co., Stone & Youngberg LLC, UBS Securities LLC,Wedbush Morgan Securities, Wells Fargo Brokerage Services LLC.