MainStay MacKay DefinedTerm Municipal Opportunities Fund announced monthly dividend distributions of $0.085 per common share for the months of October, November and December 2021. This amount is consistent with the Fund's July, August and September 2021 dividend distribution, which was also $0.085 per common share. Ex-date is October 14, 2021, November 12, 2021 and December 14, 2021; record date is October 15, 2021, November 15, 2021 and December 15, 2021; payment date is October 29, 2021, November 30, 2021 and December 31, 2021 respectively.