Market Alerts

The system maintenance has been completed.

Ameren Ecommerce
314-992-6199

From: Baker, Joseph D
Sent: Wednesday, February 25, 2026 10:00 AM
Subject: Ameren Ecommerce System Maintenance Notification
Importance: High

This Ameren Ecommerce Notification is to keep you updated on system maintenance.

Ameren will be performing maintenance on 2/28/2026 starting at 4pm CDT until 2/29/2026 to address database hardware maintenance to our production system.  This could affect your ability to communicate with Ameren Ecommerce.   The maintenance addresses communications activity relating to system maintenance to Ameren’s Electronic Data Interchange system.  If you encounter any issues sending data, please retry communicating any data files at a later time.

If you have any questions about the maintenance, please contact Ameren Ecom at 314-992-6199 or via email at ecomadministration2@ameren.com.

Ameren Ecommerce

314-992-6199

This communication and any attachments may be privileged and/or confidential and protected from disclosure, and are otherwise the exclusive property of Ameren Corporation and its affiliates (Ameren) or the intended recipient. If you are not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. Note that any views or opinions presented in this message do not necessarily represent those of Ameren. All e-mails are subject to Ameren policies. If you have received this in error, please notify the sender immediately by replying to the message and deleting the material from any computer.

Source:
ecomadministration ecomadministration2@ameren.com