CXH · Mfs Investment Grade Municipal Trust · Insider Trading

In connection with the reorganization of the Issuer into MFS MUNICIPAL INCOME TRUST ("MFM"), 252 remarketable variable rate munifund term preferred shares (the "RVMTP Shares") of the Issuer indirectly beneficially owned by JPMorgan Chase Bank, National Association ("JPMCB") were exchanged for an equal number of RVMTP Shares of MFM in a cashless transaction. The 252 RVMTP shares reported as disposed of in Table I represent shares that were indirectly beneficially owned by JPMCB.

The 120 remarketable variable rate munifund term preferred shares reported as disposed of in Table I represent Remarketable Variable Rate Munifund Term Preferred Shares, Series 2051 (the "RVMTP Shares") beneficially owned by JPMorgan Chase Bank, National Association ("JPMCB"). The RVMTP Shares were disposed of as a result of a redemption by the Issuer for a redemption price of $100,080.32875 per share (which includes a liquidation preference of $100,000.00 per share and accrued dividends of $80.32875 per share).

Shares are held by Phillip Goldstein. Bulldog Investors, LLP and Andrew Dakos disclaim beneficial interest in such shares except to the extent of any pecuniary interest therein. Andrew Dakos and Phillip Goldstein are the partners of Bulldog Investors, LLP

Shares are held by Phillip Goldstein. Bulldog Investors, LLP and Andrew Dakos disclaim beneficial interest in such shares except to the extent of any pecuniary interest therein. Andrew Dakos and Phillip Goldstein are the partners of Bulldog Investors, LLP

Shares are held by Phillip Goldstein. Bulldog Investors, LLP and Andrew Dakos disclaim beneficial interest in such shares except to the extent of any pecuniary interest therein. Andrew Dakos and Phillip Goldstein are the partners of Bulldog Investors, LLP

Shares are held by Phillip Goldstein. Bulldog Investors, LLP and Andrew Dakos disclaim beneficial interest in such shares except to the extent of any pecuniary interest therein. Andrew Dakos and Phillip Goldstein are the partners of Bulldog Investors, LLP

Shares are held by Phillip Goldstein. Bulldog Investors, LLP and Andrew Dakos disclaim beneficial interest in such shares except to the extent of any pecuniary interest therein. Andrew Dakos and Phillip Goldstein are the partners of Bulldog Investors, LLP

Shares are held by Phillip Goldstein. Bulldog Investors, LLP and Andrew Dakos disclaim beneficial interest in such shares except to the extent of any pecuniary interest therein. Andrew Dakos and Phillip Goldstein are the partners of Bulldog Investors, LLP

The 372 Remarketable Variable Rate Munifund Term Preferred Shares, Series 2051 (the "RVMTP Shares") shown in Table I represent RVMTP Shares of the Issuer that, prior to the transaction date specified above were beneficially owned directly by JPMorgan Chase Bank, National Association ("JPMCB"). On the transaction date specified above, JPMCB deposited the RVMTP Shares into a trust designated as the J.P. Morgan Taxable Putters/Taxable Drivers, Series 5075 Trust (the "Trust"). JPMCB, as a beneficiary of the Trust and through its contractual rights, retains an indirect beneficial ownership in the RVMTP Shares

The 372 Remarketable Variable Rate Munifund Term Preferred Shares, Series 2051 (the "RVMTP Shares") shown in Table I represent RVMTP Shares of the Issuer that, prior to the transaction date specified above were beneficially owned directly by JPMorgan Chase Bank, National Association ("JPMCB"). On the transaction date specified above, JPMCB deposited the RVMTP Shares into a trust designated as the J.P. Morgan Taxable Putters/Taxable Drivers, Series 5075 Trust (the "Trust"). JPMCB, as a beneficiary of the Trust and through its contractual rights, retains an indirect beneficial ownership in the RVMTP Shares

The 10 remarketable variable rate munifund term preferred shares reported as disposed of in Table I represent remarketable variable rate munifund term preferred shares, series 2051 (the "RVMTP Shares") beneficially owned by JPMorgan Chase Bank, National Association ("JPMCB"). The RVMTP Shares were disposed of as a result of a redemption by the Issuer for a redemption price of $100,368.716 per share (which includes a liquidation preference of $100,000.00 per share and accrued dividends of $368.716 per share).

The 56 remarketable variable rate munifund term preferred shares reported as disposed of in Table I represent remarketable variable rate munifund term preferred shares, series 2051 (the "RVMTP Shares") beneficially owned by JPMorgan Chase Bank, National Association ("JPMCB"). The RVMTP Shares were disposed of as a result of a redemption by the Issuer for a redemption price of $100,012.8689 per share (which includes a liquidation preference of $100,000.00 per share and accrued dividends of $12.8689 per share).

The 50 remarketable variable rate munifund term preferred shares reported as disposed of in Table I represent remarketable variable rate munifund term preferred shares, series 2051 (the "RVMTP Shares") beneficially owned by JPMorgan Chase Bank, National Association ("JPMCB"). The RVMTP Shares were disposed of as a result of a redemption by the Issuer for a redemption price of $100,027.2328 per share (which includes a liquidation preference of $100,000.00 per share and accrued dividends of $27.2328 per share).

All Variable Rate Municipal Term Preferred Shares, Series 2019/3 ("Series 2019/3 VMTP Shares") of the Fund have been called for redemption by the issuer on July 20, 2021.

These Series 2019/3 VMTP Shares are beneficially owned by Citibank, N.A. ("Citibank"). Citicorp LLC ("Citicorp") is the sole stockholder of Citibank. Citigroup Inc. is the sole stockholder of Citicorp.