Stock Trading History of Wallace Gregory 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 Wallace Gregory C since year 2005. The trader's CIK number is 1406159. At the time of this reporting, Wallace Gregory C is the Other of Semgroup Energy Partners, L.p. . (stock ticker symbol SGLP). See this page for all insider trading activities at Semgroup Energy Partners, L.p. .

Stock purchases, sales, and option exercises reported by insider *Wallace Gregory C* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-03-13	SGLP	Semgroup Energy Partners, L.p.	Purchase	20,000	25.09	501,800
2007-07-23	SGLP	Semgroup Energy Partners, L.p.	Purchase	125,000	22.00	2,750,000

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 Wallace Gregory C (Other of Semgroup Energy Partners, L.p. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.