NXG Cushing Midstream Energy Fund declared monthly distributions of $0.45 per common share for each of September, October and November 2023. These monthly distributions will be payable to common shareholders pursuant to the table below: Record Date: September 18, 2023, October 16, 2023, November 3, 2023 Respectively. Ex Dividend Date: September15, 2023, October 13, 2023, November 2, 2023 Respectively.

Payment date: September 29, 2023, October 31, 2023, November 30, 2023, respectively.