Core-Mark Announces Fourth Quarter 2014 Investor Call

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

SOUTH SAN FRANCISCO, CA--(Marketwired - Feb 23, 2015) - Core-Mark Holding Company, Inc. (NASDAQ: CORE), announced today that it will release its earnings before the market opens on Monday March 2, 2015 for the fourth quarter ended December 31, 2014 and will host an investor call later that morning at 9:00 a.m. Pacific time. This call may be accessed by dialing 800-588-4973 using the code 38895909. The call may also be listened to on the Company's website www.core-mark.com.

An audio replay will be available for approximately one month following the call by dialing 888-843-7419 using the same code provided above. The replay will also be available via webcast at www.core-mark.com for approximately 90 days following the call.

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.