Stock Trading History of Peterson Ronald R

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 Peterson Ronald R since year 2005. The trader's CIK number is 1174952. At the time of this reporting, Peterson Ronald R is the Vice President of Avista Corp (stock ticker symbol AVA).

Stock purchases, sales, and option exercises reported by *Peterson Ronald R* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-04-20	AVA	Avista Corp	Sale	4,700	24.10	113,285
2007-04-20	AVA	Avista Corp	Option Exercise	4,700	.00	0
2007-03-20	AVA	Avista Corp	Sale	900	24.00	21,600
2007-03-20	AVA	Avista Corp	Option Exercise	900	.00	0
2007-01-05	AVA	Avista Corp	Option Exercise	7,076	.00	0
2007-01-03	AVA	Avista Corp	Sale	122	25.64	3,127
2006-02-09	AVA	Avista Corp	Option Exercise	6,960	.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 Peterson Ronald R (Vice President of Avista Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.