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Stock Trading History of Riggins Stephen C

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 Riggins Stephen C since year 2005. The trader's CIK number is 1243836. At the time of this reporting, Riggins Stephen C is the Director of Exponent Inc . (stock ticker symbol EXPO). See this page for all insider trading activities at Exponent Inc .

Stock purchases, sales, and option exercises reported by insider *Riggins Stephen C* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-11-20	EXPO	Exponent Inc	Sale	2,020	26.03	52,580
2008-05-28	EXPO	Exponent Inc	Option Exercise	2,020	.00	0
2007-05-21	EXPO	Exponent Inc	Option Exercise	2,006	.00	0

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 Riggins Stephen C (Director of Exponent Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.