Stock Trading History of Magowan Peter A

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 Magowan Peter A since year 2005. The trader's CIK number is 1171799. At the time of this reporting, Magowan Peter A is the Director of Caterpillar Inc . (stock ticker symbol CAT). See this page for all insider trading activities at Caterpillar Inc .

Stock purchases, sales, and option exercises reported by insider *Magowan Peter A* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-04-04	CAT	Caterpillar Inc	Option Exercise	8,000	27.19	217,500
2007-04-04	CAT	Caterpillar Inc	Option Exercise	8,000	19.59	156,750
2006-08-04	CAT	Caterpillar Inc	Purchase	50,000	72.68	3,634,100
2006-04-05	CAT	Caterpillar Inc	Option Exercise	8,000	16.73	133,875
2005-10-28	CAT	Caterpillar Inc	Purchase	70,000	50.77	3,554,180
2005-10-27	CAT	Caterpillar Inc	Purchase	80,000	50.45	4,035,840

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 Magowan Peter A (Director of Caterpillar Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.