The board of Duff & Phelps Utility and Infrastructure Fund Inc. changed the frequency of distribution payments from quarterly to monthly. The quarterly and annualized distribution amounts will remain the same, but the previous quarterly rate of $0.21 per share will be replaced by a monthly distribution of $0.07 per share. The monthly distributions will begin in July, following payment of the June quarterly distribution previously authorized by the Board at its regular March meeting.

The board has authorized payment of the first three monthly distributions on common stock: Per Share Amount is $0.07. Ex-date is July 31, 2024. Record date is July 31, 2024.

Payable date is August 12, 2024. Per Share Amount is $0.07. Ex-date is August 30, 2024.

Record date is August 30, 2024. Payable date is September 10, 2024. Per Share Amount is $0.07.

Ex-date is September 30, 2024. Record date is September 30, 2024. Payable date is October 10, 2024.