AVA Avista Corp

Avista Corp. (NYSE:AVA) will hold its quarterly conference call and webcast to discuss fourth quarter 2005 results on Friday, Feb. 10, 2006, at 10:30 a.m. EST (7:30 a.m. PST). A news release with fourth quarter 2005 earnings information will be issued at 7:05 a.m. EST (4:05 a.m. PST) on Feb. 10, 2006. This call is being webcast by Thomson/CCBN and can be accessed at Avista's web site at www.avistacorp.com, or you may listen to the call by dialing 800-322-5044 in the United States, Passcode 25148661. A replay of the call will be available until Feb. 17, 2006, by calling 888-286-8010, Passcode 80177501. The webcast will be archived for one year on the Avista Corp. website at www.avistacorp.com. The webcast is also being distributed over Thomson/CCBN's Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through Thomson/CCBN's individual investor center at www.fulldisclosure.com or by visiting any of the investor sites in Thomson/CCBN's Individual Investor Network. Institutional investors can access the call via Thomson/CCBN's password-protected event management site, StreetEvents (www.streetevents.com). Avista Corp. is an energy company involved in the generation, transmission and distribution of energy as well as other energy-related businesses. Avista Utilities is a regulated company operating division that provides service to 330,000 electric and 285,000 natural gas customers in three western states. Avista's non-regulated subsidiaries include Avista Advantage and Avista Energy. Avista Corp.'s stock is traded under the ticker symbol "AVA." For more information about Avista, please visit www.avistacorp.com.