HollyFrontier Customer Service Number

We are a diversified, innovative energy company, safely moving forward together. Headquartered in Dallas, Texas, HF Sinclair Corporation is an independent, diversified energy company committed to producing products that power the world. HF Sinclair: • Manufactures and sells products such as gasoline, diesel fuel, jet fuel, renewable diesel, specialty lubricant products, specialty chemicals and specialty and modified asphalt, among others. • Owns and operates refineries and renewable diesel facilities in Kansas, Oklahoma, New Mexico, Utah, Washington and Wyoming. • Markets and distributes motor fuel to consumers via more than 1,600 independent Sinclair-branded stations in 30 American states. • Produces low carbon renewable diesel from multiple feedstocks including vegetable oils and animal fats. • Produces base oils and other specialized lubricants in the U.S., Canada and the Netherlands and exports to more than 80 countries. • Owns a 47% limited partner interest and a non-economic general partner interest in Holly Energy Partners, L.P. (NYSE: HEP) a mid-stream petroleum products and crude oil transportation, terminalling and storage company. • Markets products under the Sinclair Oil, Petro-Canada Lubricants, Sonneborn, HollyFrontier Specialty Products and Red Giant Oil brands. • With the addition of Sinclair Oil to HollyFrontier, the new HF Sinclair Corporation has the energy to do more. Today, HF Sinclair means: *More reach, supporting the everyday needs of consumers. *More value, safely operating with an environmental, social and governance mindset, for our customers, employees, communities and shareholders. *More strength, through our highly skilled workforce for the communities in which we live, work and serve.