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EXHIBIT 77(O) MORGAN STANLEY DEAN WITTER INSURED MUNICIPAL TRUST
10f-3 transactions for the period December 31, 1999 - March 31, 2000
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TOTAL
ISSUED/
DATE PRICE SHARES % of PRINCIPAL PURCHASED
SECURITY PURCHASED SHARE PURCHASED Assets AMOUNT BY GROUP BROKER(S)
Detroit, Michigan Water Supply Ser 1999
11/19/99 $97.470 $ 5,000,000 1.084% $ 560,000,000.00 0.893% Goldman Sach
Massachusetts Water Resc Authority
02/11/00 $ 94.368 $3,375,000 0.755% $ 285,000,000.00 1.184% Bear Stearns
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