ETA Amendment - Ameren Energy

We have received the executed Letter Agreement dated 9/12/00 which amends the
ETA to provide that Ameren Energy, Inc. can act as authorized agent for and
on behalf of the following entities ("Operating Companies") under such ETA:

1. Union Electric Company (d/b/a Ameren UE)
2. Ameren Energy Generating Company
3. Ameren Energy Marketing Company

The amendment to the ETA makes additional changes with respect to the agency
relationship between Ameren Energy, Inc. and the Operating Companies.

In connection with such amendment to the ETA we have also received:

1. The originally executed Password Application
2. Consent and Acknowledgement executed by the Operating Companies with
respect to such agency relationship

Copies will be distributed.