Stock Trading History of Porter Daniel 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 Porter Daniel J since year 2005. The trader's CIK number is 1238462. At the time of this reporting, Porter Daniel J is the SVP, Marketing of Tesoro Corp /new/ (stock ticker symbol TSO).

Stock purchases, sales, and option exercises reported by *Porter Daniel J* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-05-31	TSO	Tesoro Corp /new/	Sale	16,666	62.50	1,041,625
2007-05-31	TSO	Tesoro Corp /new/	Option Exercise	16,666	16.38	272,989
2007-01-24	TSO	Tesoro Corp /new/	Option Exercise	6,666	23.95	159,650
2007-01-24	TSO	Tesoro Corp /new/	Sale	6,666	74.00	493,284
2006-05-11	TSO	Tesoro Corp /new/	Sale	15,000	72.47	1,087,050
2006-05-11	TSO	Tesoro Corp /new/	Option Exercise	15,000	10.70	160,500

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 Porter Daniel J (SVP, Marketing of Tesoro Corp /new/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.