Stock Trading History of Tanabe Charles Y

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 Tanabe Charles Y since year 2005. The trader's CIK number is 1195206. At the time of this reporting, Tanabe Charles Y is the Senior Vice President of Discovery Holding Co (stock ticker symbol DISC).

Stock purchases, sales, and option exercises reported by *Tanabe Charles Y* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-09-27	DISC	Discovery Holding Co	Sale	78,500	28.59	2,243,958
2007-09-26	DISC	Discovery Holding Co	Sale	13,972	27.81	388,589
2007-09-27	DISC	Discovery Holding Co	Option Exercise	78,500	14.13	1,108,943
2007-05-23	DISC	Discovery Holding Co	Option Exercise	50,000	17.54	877,000
2007-05-23	DISC	Discovery Holding Co	Sale	50,000	23.38	1,168,818
2007-05-18	DISC	Discovery Holding Co	Sale	14,621	22.90	334,850

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 Tanabe Charles Y (Senior Vice President of Discovery Holding Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.