Core-Mark to Webcast Presentation From Jefferies 2015 Global Consumer Conference

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

SOUTH SAN FRANCISCO, CA--(Marketwired - Jun 17, 2015) - 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 Jefferies 2015 Global Consumer Conference on Wednesday, June 24, 2015 beginning at 11:00 a.m. Eastern time.

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 90 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 over 35,000 customer locations in the U.S. and Canada through 29 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.