Delek US Holdings, Inc. is a diversified downstream energy company with assets in petroleum refining, logistics, asphalt, renewable fuels and convenience store retailing. The refining assets consist of refineries operated in Tyler and Big Spring, Texas, El Dorado, Arkansas and Krotz Springs, Louisiana with a combined nameplate crude throughput capacity of 302,000 barrels per day. Delek US Holdings owns 100 percent of the general partner and 81.6 percent of the limited partner interest in Alon USA Partners, LP (NYSE: ALDW), which owns a crude oil refinery in Big Spring, Texas, with a crude oil throughput capacity of 73,000 barrels per day and an integrated wholesale marketing business.