Cushing® Asset Management and Swank Capital Announce a Constituent Change to The Cushing® 30 MLP Index

DALLAS, Dec. 26, 2018

There will be no changes to the remaining constituents of the Index due to this event.

ABOUT THE CUSHING^® 30 MLP INDEX

The Cushing^® 30 MLP Index tracks the performance of 30 publicly traded midstream energy infrastructure companies, including master limited partnerships (MLPs) and non-MLP energy midstream corporations (each, a "Midstream Company" and collectively, "Midstream Companies"). Constituents of the Index are selected by using a formula-based proprietary valuation model developed by Cushing^® Asset Management, LP to rank Midstream Companies for potential inclusion in the Index. The Index price level is calculated by S&P Dow Jones Indices and reported on a real-time basis under the Bloomberg ticker "MLPX".

ABOUT CUSHING^® ASSET MANAGEMENT AND SWANK CAPITAL

Cushing^® Asset Management, LP ("Cushing"), a subsidiary of Swank Capital, LLC, is an SEC-registered investment adviser headquartered in Dallas, Texas. Cushing serves as investment adviser to affiliated funds and managed accounts which invest primarily in securities of Midstream Companies and other natural resource companies.

Cushing is also dedicated to serving the needs of MLP and energy income investors by sponsoring a variety of industry benchmarks, including The Cushing^® MLP Market Cap Index (Bloomberg Ticker: CMCI), The Cushing^® MLP High Income Index (Bloomberg Ticker: MLPY), The Cushing^® Energy Index (Bloomberg Ticker: CENI), The Cushing^® Energy Supply Chain Index (Bloomberg Ticker: CSCI), The Cushing^® Transportation Index (Bloomberg Ticker: CTRI) and The Cushing^® Utility Index (Bloomberg Ticker: CUTI). For more information, please visit http://www.cushingasset.com/indices.