Stock Trading History of Roberts Ralph J

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 Roberts Ralph J since year 2005. The trader's CIK number is 905849. At the time of this reporting, Roberts Ralph J is the Chairman-Exec & Finance Comm of Comcast Corp . (stock ticker symbol CMCSA). See this page for all insider trading activities at Comcast Corp .

Stock purchases, sales, and option exercises reported by insider *Roberts Ralph J* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-22	CMCSA	Comcast Corp	Option Exercise	1,499,136	11.29	16,927,644
2008-04-16	CMCSA	Comcast Corp	Option Exercise	14,970	.00	0
2008-03-10	CMCSA	Comcast Corp	Option Exercise	21,825	.00	0
2007-12-13	CMCSA	Comcast Corp	Option Exercise	191,133	9.96	1,903,359
2007-04-10	CMCSA	Comcast Corp	Option Exercise	21,825	.00	0
2006-11-21	CMCSA	Comcast Corp	Option Exercise	88,056	9.19	809,014

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 Roberts Ralph J (Chairman-Exec & Finance Comm of Comcast Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.