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SUB-ITEM 77Q1
The investment advisory agreement for each of the MFS Massachusetts High Income
Tax Fund and MFS New York High Income Tax Fund (each, a "Fund"), each a series
of MFS Municipal Series Trust (the "Trust"),dated July 30, 1999, between the
Trust on behalf of each Fund and Massachusetts Financial Services Company, are
contained in the Trust's Post-Effective Amendment No. 33 to the Registration
Statement on Form N-1A (File Nos. 2-92915 and 811-4096), as filed with the
Securities and Exchange Commission via XXXXX on May 14, 1999. Such documents are
incorporated herein by reference.
The Amended and Restated Declaration of Trust of the Trust, dated April 29,
1999is contained in the Trust's Post-Effective Amendment No. 33 to the
Registration Statement on Form N-1A (File Nos. 2-92915 and 811-4096), as filed
with the Securities and Exchange Commission via XXXXX on May 14, 1999. Such
document is incorporated herein by reference.