SUB-ITEM 77I

At  a  special  meeting of the shareholders of Municipal Auction Rate Cumulative
Preferred Shares  ("ARPS")  of MFS High Yield Municipal Trust (the "Trust") held
on August 31, 2012, the shareholders  of  ARPS represented in person or by proxy
voted to amend the Trust's By-Laws to replace  Standard  & Poor's, a division of
The  McGraw-Hill  Companies, Inc. with Fitch, Inc. as a rating  agency  for  the
Trust's ARPS and make  other  noted  changes.  A copy of such amended By-Laws is
filed as an exhibit hereto under Sub-Item 77Q1(a).

The  Trust issued shares of a new series  of  preferred  shares,  Variable  Rate
Municipal   Term   Preferred   Shares  ("VMTP"),  as  stated  in  the  Statement
Establishing  and Fixing the Rights  and  Preferences  of  VMTP  ("Statement  of
VMTP").  A copy  of  such  Statement of VMTP is filed as an exhibit hereto under
Sub-Item 77Q1(a).