LAS VEGAS, Aug. 5 /PRNewswire-FirstCall/ -- Senior management of Sierra
Pacific Resources (NYSE: SRP) will review the company's second quarter 2003
financial results and other matters during a conference call and webcast on
Friday, Aug. 8, at 6:30 a.m. Pacific Daylight Time.  Interested parties can
access a live webcast of the call with the following link:

               http://webcast.on24.com/clients/srp/030820.html

    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    An archived version of the webcast will remain on the Sierra Pacific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 800-615-3210 and
use the conference call ID number, 229667, to access the recording.

    Headquartered in Nevada, Sierra Pacific Resources (NYSE: SRP) 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.

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