MFS Investment Grade Municipal Trust (the Trust), is a closed-end fund investing primarily in tax-exempt bonds and tax-exempt notes. The fund's investment objective is to seek high current income exempt from federal income tax, but may also consider capital appreciation. The Fund invests, at least 80% of its net assets, including assets attributable to preferred shares and borrowings for investment purposes, in investment grade debt instruments. The Trust invests in sectors, such as education, healthcare, housing, utilities, water, or sewers. The Trust's investment advisor is Massachusetts Financial Services Company, Inc.