Core-Mark Announces First Quarter 2011 Investor Call

SOUTH SAN FRANCISCO, CA--(Marketwire - May 5, 2011) - Core-Mark Holding Company, Inc. (NASDAQ: CORE), announced today that it will release its earning before the market opens on Monday May 9, 2011 for the first quarter ended March 31, 2011 and will host an investor call later that morning. The call will be held on Monday May 9, 2011 at 9:00 a.m. Pacific time and can be accessed by dialing 1-800-588-4973 using the code 29023193. The call may also be listened to on the Company's website www.core-mark.com.

An audio replay will be available for two weeks following the call by dialing 1-888-843-7419 using the same code. 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 approximately 28,000 customer locations in the U.S. and Canada through 25 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.