The Cushing MLP & Infrastructure Total Return Fund Declares Distribution for the Month of May, 2021, Payable on May 28, 2021

NXG Cushing Midstream Energy Fund, formerly The Cushing MLP & Infrastructure Total Return Fund, is a non-diversified, closed-end management investment company. The Fund’s investment objective is to seek a high after-tax total return from a combination of capital appreciation and current income. The Fund will pursue its investment objective by investing, under normal market conditions, at least 80% of its net assets, plus any borrowings for investment purposes, in a portfolio of midstream energy investments. It considers midstream energy investments to be investments that offer economic exposure to securities of midstream energy companies, which are companies that provide midstream services in the energy infrastructure sector, including the gathering, transporting, processing, fractionation, storing, refining and distribution of natural resources, such as natural gas, natural gas liquids, biofuels, carbon sequestration and others. Its investment advisor is Cushing Asset Management, LP.