Stock Trading History of Smart Michael

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 Smart Michael since year 2005. The trader's CIK number is 1214072. At the time of this reporting, Smart Michael is the Exec, Reg Hub Ops Reno/N Tahoe of Sierra Pacific Resources /nv/ (stock ticker symbol SRP).

Stock purchases, sales, and option exercises reported by *Smart Michael* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-05-22	SRP	Sierra Pacific Resources /nv/	Sale	25,971	19.51	506,605
2007-05-22	SRP	Sierra Pacific Resources /nv/	Option Exercise	25,971	13.43	348,803
2007-02-23	SRP	Sierra Pacific Resources /nv/	Sale	10,000	17.84	178,351
2006-05-09	SRP	Sierra Pacific Resources /nv/	Sale	1,513	13.83	20,924
2006-03-01	SRP	Sierra Pacific Resources /nv/	Sale	3,074	14.08	43,273

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 Smart Michael (Exec, Reg Hub Ops Reno/N Tahoe of Sierra Pacific Resources /nv/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.