CAISO Notification - ** URGENT NOTIFICATION: SI Server maintenance

** URGENT NOTIFICATION: SI Server maintenance will be done, TODAY, Monday,
July 30, 2001 (17:20 to 17:55pdt).
In case of SI system trouble, we will Fallback to our backup SI server in
Alhambra.

Please submit all Hour Ahead schedules for July 30th, HE 2000 and
Supplemental Energy schedules for 1900 prior to 1700!

If the fallback is PERFORMED, Please clear your memory and disk caches
(Edit, Preferences, Advanced, Cache) & close all Netscape windows (including
messages). Restart Netscape and point your browsers to our Backup server by
utilizing the following URL: https://alhibk1b/iso.

We will provide additional notification to you.

Please contact Eddie Ledesma (916) 351-5881 or Benik DerGevorgian
(916) 351-2277 if you have any questions or concerns.

Thank you,
ISO Market Operations

CRCommunications
Client Relations
California ISO