MainStay MacKay DefinedTerm Municipal Opportunities Fund announced monthly dividend distributions of $0.06 per common share for the months of April, May, and June 2024. This amount is consistent with the Fund's January, February, and March 2024 dividend distribution, which was also $0.06 per common share. Payable Dates are April 30, 2024; May 31, 2024 and June 28, 2024 respectively. Record Dates are April 16, 2024; May 16, 2024 and June 14, 2024 respectively.

Ex-Dates are April 15, 2024; May 15, 2024 and June 14, 2024 respectively.