X0303 4 2010-05-17 0 0000104918 AVISTA CORP AVA 0001271724 NOEL MICHAEL L 1411 E MISSION AVE SPOKANE WA 99202 1 0 0 0 Common Stock 2010-05-17 4 A 0 1908 20.96 A 16540 I by Corporation Common Stock held by adopted son, Shane Karoub 660 I by child Shares issued under the Long Term Incentive Plan (LTIP) as an award of stock for director compensation. The price per share (per LTIP) is the closing price on Friday, May 15, 2010. Shares issued as part of Mr. Noel's directors retainer. Shares held by Noel Consulting Company, Inc. /s/ Michael L. Noel 2010-05-17