Stock Trading History of Yackira Michael W

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 Yackira Michael W since year 2005. The trader's CIK number is 1222750. At the time of this reporting, Yackira Michael W is the President & CEO of Sierra Pacific Resources /nv/ . (stock ticker symbol SRP). See this page for all insider trading activities at Sierra Pacific Resources /nv/ .

Stock purchases, sales, and option exercises reported by insider *Yackira Michael W* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-11-11	SRP	Sierra Pacific Resources /nv/	Purchase	5,000	8.94	44,685
2008-08-05	SRP	Sierra Pacific Resources /nv/	Purchase	5,000	11.04	55,199
2008-03-11	SRP	Sierra Pacific Resources /nv/	Purchase	10,000	12.22	122,175
2006-11-17	SRP	Sierra Pacific Resources /nv/	Option Exercise	30,000	6.05	181,500
2006-11-17	SRP	Sierra Pacific Resources /nv/	Sale	30,000	16.06	481,799

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 Yackira Michael W (President & CEO of Sierra Pacific Resources /nv/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.