SPOKANE, Wash.--(BUSINESS WIRE)--July 9, 2007--Avista Corp. (NYSE:AVA) will hold its quarterly conference call and Webcast to discuss second quarter 2007 results on Wednesday, Aug. 1, 2007, at 10:30 a.m. Eastern Time (7:30 a.m. Pacific Time). A news release with second quarter 2007 earnings information will be issued at 7:05 a.m. Eastern Time (4:05 a.m. Pacific Time) on Aug. 1, 2007.

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 866-356-3093 in the United States, passcode 61018964.

A replay of the call will be available through Aug. 8, 2007. Call 888-286-8010, passcode 65938322, to listen to the replay. 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 346,000 electric and 306,000 natural gas customers in three Western states. Avista's non-regulated subsidiaries include Advantage IQ. Avista Corp.'s stock is traded under the ticker symbol "AVA." For more information about Avista, please visit www.avistacorp.com.

CONTACT: Avista Corp.
Jessie Wuerst, Communications Manager, 509-495-8578
jessie.wuerst@avistacorp.com


SOURCE: Avista Corp.