Stock Trading History of Cook Stephen

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 Cook Stephen since year 2005. The trader's CIK number is 1268619. At the time of this reporting, Cook Stephen is the EVP, Automotive of Xm Satellite Radio Holdings Inc . (stock ticker symbol XMSR). See this page for all insider trading activities at Xm Satellite Radio Holdings Inc .

Stock purchases, sales, and option exercises reported by insider *Cook Stephen* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-06-03	XMSR	Xm Satellite Radio Holdings Inc	Sale	33,547	10.87	364,655

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 Cook Stephen (EVP, Automotive of Xm Satellite Radio Holdings Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.