Senior management of Sierra Pacific Resources (NYSE: SRP) will review the company's quarterly and year-end financial results during a conference call and webcast on Monday, Feb. 10, at 7 a.m. Pacific Standard Time. Interested parties can access the conference call at 1-800-553-2720. Callers must use conference call ID number 3041928 to listen to the call. Interested parties can access a webcast of the call with the following link: www.on24.com/clients/default/irevent.html?eventid=1503

The webcast will be accessible on the Sierra Pacific Resources' web site at http://www.sierrapacificresources.com/investors/news/ .

An archived version of the webcast will remain on the Sierra Pacific Resources web site for approximately one month following the live webcast.

To listen to a recording of the call by telephone, call 1-888-211-2648 and use the conference call ID number to access the recording.

Headquartered in Nevada, Sierra Pacific Resources is a holding company whose principal subsidiaries are Nevada Power Company, the electric utility for most of southern Nevada, and Sierra Pacific Power Company, the electric utility for most of northern Nevada and the Lake Tahoe area of California. Sierra Pacific Power Company also distributes natural gas in the Reno-Sparks area of northern Nevada. Other subsidiaries include the Tuscarora Gas Pipeline Company, which owns 50 percent interest in an interstate natural gas transmission partnership, Sierra Pacific Communications, a telecommunications company, and Sierra Pacific Energy (e-three), an energy conservation services company.

SOURCE: Sierra Pacific Resources

CONTACT: Media, Karl Walquist of Sierra Pacific Resources,
+1-775-834-3891

Web site: http://www.on24.com/clients/default/irevent.html?eventid=1503

Web site: http://www.sierrapacificresources.com/investors/news

Web site: http://www.sierrapacificresources.com/