Delek US Holdings, Inc. ('Delek US') announced the formation of DK Trading & Supply, LLC ('DK Trading & Supply'), a wholly owned subsidiary of Delek US. This will consolidate commercial activities for crude oil, refined products and renewable purchases, sales and other commercial activity under one entity in 2019. These activities had previously been conducted through a series of companies under the Delek US umbrella. Commencing January 2019, customers and suppliers will begin transitioning to DK Trading & Supply. As this transition is made during the first half of 2019, business previously carried out under the Delek US umbrella (including but not limited to Delek US Holdings, Inc., Delek Refining, Inc., Lion Oil Company, Delek Marketing & Supply, LLC, Alon USA, LP, Alon Refining Krotz Springs, Inc. and Delek Renewables, LLC) will be done through DK Trading & Supply. Customers and suppliers should direct any questions related to this transition to their normal credit or commercial contact.