<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>amend.txt
<TEXT>
77O Transactions effected pursuant to Rule 10f-3
Columbia High Income Municipal Trust (Fund)

On April 22, 2005, Columbia High Income Municipal Trust (Fund) purchased 500,000
par value of bonds of MA St Housing MFAM (Securities) for a total purchase price
of $500,000.00 from Lehman Brothers  pursuant to a public offering in which Banc
of America  Securities  acted as a  participating  underwriter.  Banc of America
Securities may be considered to be an affiliate of the Fund.

The following information was collected pursuant to Rule 10f-3 procedures
adopted by the Fund's Trustees:

o        The Fund's advisor, Columbia Management Advisors, Inc. believed that
         the gross underwriting spread associated with the purchase of the
         Securities was reasonable and fair compared to the spreads in
         connection with similar underwritings of similar securities being sold
         during a comparable period of time;

o        The Securities were offered pursuant to an underwriting or similar
         agreement under which the underwriters were committed to purchase all
         of the Securities being offered;

o        The issuer of the Securities has been in continuous operation for at
         least three years;

o        The amount of Securities purchased did not exceed 25% of the amount
         of the offering;

o        The Securities were to be purchased at not more than the public
         offering price no later than the first day of the offering.

Along with Banc of America Securities, the following is a list of members of the
underwriting syndicate for the aforementioned  Securities:  Goldman Sachs & Co.;
JP Morgan;  Credit Suisse First Boston Corp.;  RBS Greenwich  Capital;  Barclays
Capital; Citigroup;  Deutsche Bank Securities Inc; HSBC Securities; Bear Stearns
& Co., Inc.;  Lehman Brothers;  Merrill Lynch & Co; AG Edwards & Sons, Inc.; Key
Bank National  Association;  Raymond James & Associates Inc; Wachvoia Securities

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</DOCUMENT>
