Ameren Corp., Ameren Illinois Co. and Ameren Missouri amended credit agreements to extend the maturity dates and credit limits.

The maturity dates on the credit agreements were extended to Dec. 9, 2024, from Dec. 7, 2022, according to a Dec. 11 filing. The companies can request two more one-year extensions.

Borrowing under the $1 billion credit facility was increased to $1.2 billion. Ameren Corp.'s borrowing limit was increased to $900 million from $700 million, and Ameren Missouri's limit was increased to $850 million from $800 million. Ameren Missouri is legally known as Union Electric Co.

The credit limits of the $1.1 billion credit facility remain the same, at $500 million for Ameren Corp. and $800 million for Ameren Illinois.

JPMorgan Chase Bank NA acted as agent for both credit agreements.