MERRILL LYNCH MUNICIPAL SERIES TRUST

MUNICIPAL INTERMEDIATE TERM FUND

FILE # 811-4802

ATTACHMENT 77O

TRADE DATE	DESCRIPTION OF SECURITY	ISSUE SIZE	AMOUNT PURCHASED	LIST OF UNDERWRITERS
5/12/2005	Empire State Development 5% 1/1/16	288,885,000	5,000,000	Bear Stearns CIBC World Markets Citigroup Goldman Sachs Morgan Stanley UBS Financial First Albany Capital JP Morgan Lehman Brothers Merrill Lynch M.R. Beal Raymond James Roosevelt & Cross Ramirez & Co Advest A.G. Edwards Banc of America Jackson Securities Siebert Brandford
5/20/2005	NY City 5% 6/1/16, 30, or 33	853,135,000	4,000,000	Bear Stearns CIBC World Markets Citigroup Goldman Sachs Morgan Stanley UBS Financial First Albany JP Morgan Lehman Brothers Merrill Lynch M.R. Beal Raymond James Roosevelt & Cross Ramirez & Co. Advest A.G. Edwards Banc of America Jackson Securities Siebert Brandford
7/13/2005	Richmond Virginia 5% 7/15/17	155,040,000	2,000,000	Morgan Keegan Banc of America Merrill Lynch BB&T Capital Markets Wachovia Bank
7/15/2005	Mass School Building Authority 5% 8/15/16	2,500,000,000	5,000,000	UBS Financial Services Citigroup Lehman Brothers Banc of America Bear Stearns Goldman Sachs JP Morgan Merrill Lynch Advest A.G. Edwards Cabrera Capital Corby Capital Finacorp Securities First Albany Jackson Securities Melvin Securities Moors & Cabot M.R. Beal National Financial Mkts. Oppenheimer & Co. Ramirez & Co Raymond James RBC Dain Rauscher Siebert Brandford Southwest Securities Sovereign Securities
7/28/2005	Golden State Tobacco 5% 6/1/20	3,140,563,508	2,000,000	Bear Stearns Citigroup Goldman Sachs Siebert Brandford A.G. Edwards Alamo Capital E.J. De La Rosa First Albany Capital Great Pacific Jackson Securities JP Morgan Lehman Brothers Merrill Lynch Morgan Stanley M.R. Beal Prager, Sealy & Co. Southwest Securities Stone & Youngberg UBS Financial Wachovia Bank
8/25/2005	Kentucky Property 5% 8/1/16	218,275,000	3,300,000	Citigroup Morgan Stanley Bear Stearns UBS Financial J.J.B. Hilliard Morgan Keegan NatCity Investments JP Morgan Ross Sinclaire A.G. Edwards Edward D. Jones First Kentucky Seasongood & Mayer Merrill Lynch
9/30/2005	Mass St Muni GO 5% 09/01/2016	761,095,000	5,000,000	Goldman Sachs Bear Stearns Citigroup JP Morgan Lehman Brothers Merrill Lynch UBS Financial A.G. Edwards & Sons Advest Banc of America Corby Capital Edward D. Jones First Albany M.R. Beal Morgan Keegan National Financial Ramirez & Co. Raymond James RBC Dain Rauscher Southwest Securities Wachovia Bank Eastern Bank