Exhibit A: Agreement to make joint filings.

Agreement made as of the 29th day of January 2024, by and among Bulldog Investors, LLP, Phillip Goldstein and Andrew Dakos.

WHEREAS, Rule 13d-1(k)(1) under the Securities Exchange Act of 1934 provides that whenever two or more persons are required to file a statement containing the information required by Schedule 13G with respect to the same securities, only one such statement need be filed, so long as, among other things, such filing includes as an exhibit an agreement among such persons that such a statement is filed on behalf of each of them;

WHEREAS, in connection with certain holdings of MFS Investment Grade Municipal Trust ("CXH"), each of the parties to this Agreement is required to file a statement containing the information required by Schedule 13G with respect to the same holdings of CXH;

NOW THEREFORE, the parties hereby agree that one statement containing the information required by Schedule 13G shall be filed on behalf of each party hereto.

IN WITNESS WHEREOF, this Agreement has been duly executed by the parties hereto as of the day and year first written above.

By:	/s/Phillip Goldstein		By:	/s/Andrew Dakos
	Phillip Goldstein			Andrew Dakos

BULLDOG INVESTORS, LLP

By:	/s/ Andrew Dakos
	Andrew Dakos, Partner

MFS INVESTMENT GRADE MUNICIPAL TRUST SC 13G