Please forward to your Scheduling Personnel!

Attention Scheduling and IT Personnel

Your participation is requested in the BEEP Split Market Simulation.

As previously announced, the ISO has scheduled the BEEP Split Market
Simulation for the week of April 30th, 2001. The Market Simulation is being
scheduled to allow all Scheduling Coordinators an opportunity to participate
in the use of this new functionality.

The BEEP Split Market Simulation is scheduled to begin on Monday, April 30,
2001 with a review of the Market Simulation Test Plan via conference call
at:

9am - 10 am
Telephone #: 1-888-837-2407
Passcode: 362256

During this conference call, we will also request participants help in
finalizing details of the Market Simulation Plan which is scheduled for
distribution Friday April 27,2001.

All Scheduling Coordinators are strongly urged to participate in this
simulation.

It is suggested that this simulation include personnel that would be
responsible for IT and Scheduling. Please respond to Jblatchford@caiso.com
to be part of this simulation. The Market Simulation Plan will be
distributed to those respondents on Friday, April 27, 2001

Client Relations Communication
CRCommunications@caiso.com