 DALLAS, April 23, 2021 PRNewswire -- Cushing Asset Management, LP, and Swank Capital, LLC, announce an upcoming interim change to the constituents of The Cushing 30 MLP Index the Index. On March 4, 2021, Index constituent Noble Midstream Partners LP NASDAQ: NBLX entered into an Agreement and Plan of Merger Merger Agreement with Chevron Corporation NYSE: CVX that would result in NBLX common units ceasing to be publicly traded, subject to the approval of the holders of NBLX common units. 