Stock Trading History of Rolfe Christopher 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 Rolfe Christopher C since year 2005. The trader's CIK number is 1357823. At the time of this reporting, Rolfe Christopher C is the Grp Exec & Chief Admin Officer of Duke Energy Corp . (stock ticker symbol DUK). See this page for all insider trading activities at Duke Energy Corp .

Stock purchases, sales, and option exercises reported by insider *Rolfe Christopher C* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-08-22	DUK	Duke Energy Corp	Option Exercise	17,000	15.54	264,095
2008-08-22	DUK	Duke Energy Corp	Sale	17,000	17.69	300,673
2008-04-04	DUK	Duke Energy Corp	Option Exercise	2,036	.00	0
2008-03-02	DUK	Duke Energy Corp	Option Exercise	5,530	.00	0
2008-02-28	DUK	Duke Energy Corp	Option Exercise	2,334	.00	0
2008-02-24	DUK	Duke Energy Corp	Option Exercise	2,854	.00	0
2007-05-23	DUK	Duke Energy Corp	Sale	3,200	20.29	64,928
2007-05-23	DUK	Duke Energy Corp	Option Exercise	3,200	15.74	50,368
2007-04-04	DUK	Duke Energy Corp	Option Exercise	2,036	.00	0
2007-02-28	DUK	Duke Energy Corp	Option Exercise	2,334	.00	0
2007-02-22	DUK	Duke Energy Corp	Option Exercise	19,124	.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 Rolfe Christopher C (Grp Exec & Chief Admin Officer of Duke Energy Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.