EX-99.77O RULE 10F-3 6 myins77o.htm

10F-3 TRANSACTIONS

                                              BLACKROCK MUNIYIELD INSURED FUND, INC.

           FILE #811-6540

ATTACHMENT 77O

TRADE DATE	DESCRIPTION OF SECURITY	ISSUE SIZE	AMOUNT PURCHASED	LIST OF UNDERWRITERS
07/27/2006	City of Detroit, Michigan 5. 7/1/36	250,000,000	11,250,000	Loop Capital, JP Morgan Securities Inc., Merrill Lynch & Co., Bear Stearns & Co., MR Beal & Company, Melvin Securities, Morgan Stanley, NatCity Investments Inc.
08/02/2006	Commonwealth of Puerto Rico	835,650,000	5,000,000	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
08/03/2006	Metro Water Distrist 5. 07/01/2032	200,000,000	5,770,000	Banc of America Securities LLC, JP Morgan Securities, Bear Stearns & Co., Loop Capital, Citigroup Global Markets, Merrill Lynch & Co., EJ De La Rosa & Co., Ramirez & Co., First Albany Capital, Siebert Brandford Shank & Co., Stone & Youngberg LLC
07/14/2006	Modesto Calif Irr 10/01/2036	146,960,000	7,500,000	Bear Stearns, Goldman Sachs & Co., JP Morgan Securities Inc., Merrill Lynch & Co.
05/24/2006	New Jersey St Trans Trst	2,805,411,792	14,490,000	Bear Stearns, Citigroup Global Markets, Goldman Sachs, Morgan Stanley, RBC Capital Markets, Siebert Brandford Shank, UBS Securities LLC, Wachovia Bank, AG Edwards & Sons, Apex Pryor Securities, Banc of America Securities, BB&T Capital Markets/Bergen Capital, Cabrera Capital Markets, First Albany Capital, Gates Capital Corporation, George K. Baum & Company, Howard Gary & Company, Jackson Securities, Janney Montgomery Scott, JP Morgan Securities, LaSalle Financial Services, Lehman Brothers, Loop Capital, Merrill Lynch & Co., Morgan Keegan & Co., MR Beal & Company, Piper Jaffray, PNC Capital Markets, Popular Securities, Powell Capital Markets, Prager, Sealy & Co., Raymond James & Associates, Roosevelt & Cross, Ryan Beck & Co, Ramirez & Co., Sovereign Securities Corporation, Sterne, Agee & Leach, Sturdivant & Company, Toussaint Capital Partners LLC
08/11/2006	New York City Muni 5. 8/1/2020	850,000,000	10,675,000	Morgan Stanley, Bear Stearns, Citigroup Global Markets, Merrill Lynch & Co., AG Edwards & Sons, Banc of America Securities LLC, MR Beal & Company, First Albany Capital, Goldman Sachs, JP Morgan Securities, Lehman Brothers, Loop Capital, Prager, Sealy & Co, Ramirez & Co., RBC Capital Markets, Siebert Brandford Shank, UBS Securities LLC, Wachovia Bank, Cabrera Capital Markets, Commerce Capital Markets, Jackson Securities LLC, Janney Montgomery Scott LLC, Popular Securities Inc., Raymond James & Associates, Roosevelt & Cross, Southwest Securities
05/05/2006	Palm Beach Cnty FLA	8,593,500	5,750,000	UBS Securities LLC, Janney Montgomery Scott LLC, Jackson Securities LLC, Loop Capital, Merrill Lynch & Co.
07/12/2006	Sacramento Cnty CA 12/01/2036	338,960,000	7,500,000	Bear Stearns & Co., Lehman Brothers, Merrill Lynch & Co., Morgan Stanley, UBS Securities LLC
06/09/2006	Triborough Brdg & Tunl	200,000,000	1,800,000	UBS Securities LLC, Bear Stearns & Co., Citigroup Global Markets, JP Morgan Securities, Lehman Brothers, AG Edwards & Sons, Banc of America Securities, First Albany Capital, Loop Capital, Merrill Lynch & Co., Morgan Stanley, MR Beal & Company, Ramirez & Co, Raymond James & Associates, RBC Capital Markets, Roosevelt & Cross, Siebert Brandford Shank & Co., Wachovia Bank