X0202 4 2006-02-09 0 0000104918 AVISTA CORP AVA 0001174952 PETERSON RONALD R 1411 E MISSION AVE SPOKANE WA 99202 0 1 0 0 Vice President Common Stock-Restricted Shares 2006-02-09 4 A 0 1000 A 1000 D Common Stock-Restricted Stock 2006-02-09 4 A 0 100 A 100 I Held by Spouse Common Stock-Performance Share Award 2006-02-09 4 M 0 6360 A 6360 D Common Stock-Performance Share Award 2006-02-09 4 M 0 600 A 600 I Held by Spouse Conversion of derivative security 17.8 2006-02-09 4 M 0 5300 D Common Stock 5300 10600 D Conversion of derivative securities 17.8 2006-02-09 4 M 0 500 D Common Stock 500 1000 I Held by Spouse Performance Shares 2006-02-09 4 A 0 3900 19.2 A Common Stock 3900 14500 D Performance Shares 2006-02-09 4 A 0 370 19.2 A Common Stock 370 1370 I Held by Spouse Restricted shares vest one-third each year over a three-year period and are payable in Avista Corp. Common Stock at the end of each year in the three-year period if targets are met. Shares are received in satisfaction of 2003 performance grant. 2003 Performance Grant-disposition of Derivative Securities. No conversation price - Shares awarded if performance measure is met. Each performance cycle is three years in length. Shares will be issued at the end of each three-year cycle if performance measure is met. /s/ Ronald R. Peterson 2006-02-13