SOUTH SAN FRANCISCO, CA–(EMWNews – August 5, 2008) – Core-Mark Holding Company, Inc.

(NASDAQ: CORE), announced today that it will host an earnings call on

Friday August 8, 2008 at 9:00 a.m. Pacific time during which time

management will review the results of the second quarter ended June 30,

2008. The call may be accessed by dialing 1-800-661-2563 using the code

22322642. The call may also be listened to on the internet website

www.core-mark.com.

An audio replay will be available for two weeks following the call by

dialing 888-843-8996 using the same code. The replay will also be

available via webcast at www.core-mark.com for approximately 90 days.

Core-Mark

Core-Mark is one of the largest broad-line, full-service wholesale

distributors of packaged consumer products to the convenience retail

industry in North America. Founded in 1888, Core-Mark provides distribution

and logistics services as well as marketing programs to approximately

24,000 retail locations in 50 states and five Canadian provinces through 26

distribution centers, two of which Core-Mark operates as third party

logistics providers. Core-Mark services traditional convenience retailers,

grocers, drug, liquor and specialty stores, and other stores that carry

consumer packaged goods. For more information, please visit

www.core-mark.com