Core-Mark to Webcast Presentation From Oppenheimer 15th Annual Consumer Conference

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

SOUTH SAN FRANCISCO, CA--(Marketwired - Jun 16, 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 Oppenheimer 15th Annual Consumer Conference on Tuesday, June 23, 2015 beginning at 3:45 p.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.