Stock Trading History of Wall James E

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Wall James E since year 2005. The trader's CIK number is 1338388. At the time of this reporting, Wall James E is the of Core-mark Holding Company, Inc. (stock ticker symbol CORE).

Stock purchases, sales, and option exercises reported by *Wall James E* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-01-03	CORE	Core-mark Holding Company, Inc.	Sale	7,000	32.09	224,607
2007-01-03	CORE	Core-mark Holding Company, Inc.	Option Exercise	7,000	15.50	108,500
2006-12-01	CORE	Core-mark Holding Company, Inc.	Option Exercise	7,000	15.50	108,500
2006-12-01	CORE	Core-mark Holding Company, Inc.	Sale	7,000	31.74	222,180
2006-08-31	CORE	Core-mark Holding Company, Inc.	Sale	7,000	31.43	220,006
2006-08-31	CORE	Core-mark Holding Company, Inc.	Option Exercise	7,000	15.50	108,500

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Wall James E ( of Core-mark Holding Company, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.