CAISO MARCH 2001 Preliminary Invoice

Melissa,

The March 2001 ISO Preliminary Invoices are available. The totals are as follows:

Grid Management: $746,284.83 Due to the ISO by 10am PST 5/31/01

Market Operations: $93,134,478.43** Due to the ISO by 10am PST 5/31/01

**The ISO is going to invoice EPMI based on a recalculated estimate. Please make $10,000,000.00 available for this payment which will still need to go out by May 31, 2001 at 10am.

Please call me at 503-464-7733 if you need me to fax the invoices to you, or if you have any questions.

Thanks,
Donna (Johnson) Sheidun
Volume Management