Core-Mark to Webcast Presentation From Wells Fargo 2013 Convenience Store Forum

| Source: Core-Mark Holding Company, Inc. Core-Mark Holding Company, Inc.

SOUTH SAN FRANCISCO, CA--(Marketwired - Oct 10, 2013) - Core-Mark Holding Company, Inc. (NASDAQ: CORE), one of the largest marketers of fresh and broad-line supply solutions to the convenience retail industry in North America, announced today that it will webcast its presentation from the Wells Fargo Forum on Tuesday, October 15th 2013 beginning at 9:45 a.m. Eastern.

The live webcast can be accessed at www.core-mark.com. An archived replay of the presentation will be available shortly after the live event is completed and will remain on Core-Mark's website for 60 days.

Core-Mark
Core-Mark is one of the largest marketers of fresh and broad-line supply solutions to the convenience retail industry in North America. Founded in 1888, Core-Mark offers a full range of products, marketing programs and technology solutions to approximately 30,000 customer locations in the U.S. and Canada through 28 distribution centers (excluding two distribution facilities the Company operates as a third party logistics provider). Core-Mark services traditional convenience retailers, grocers, drug, liquor and specialty stores, and other stores that carry convenience products. For more information, please visit www.core-mark.com.