Company: AILIM
Filing Date: 2025-09-16
Form Type: 424B2
Source: 0001104659-25-090464
Chunk: 53

Company: Ameren Illinois Co
Filing Date: 2025-09-16
Form: 424B2
Chunk 53
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 District of Columbia;

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the successor corporation or the person that receives such properties pursuant to such sale or other disposition assumes by supplemental indenture the due and punctual payment of the principal of, premium, if any, and interest on all the senior secured debt securities and the performance of every covenant of the senior secured indenture to be performed or observed by us; and

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if such consolidation, merger, sale or disposition occurs prior to the release date, the successor corporation or the person that receives such properties pursuant to such sale or other disposition assumes by a supplemental indenture to the mortgage indenture our obligations under the mortgage indenture with respect to the senior note mortgage bonds.

Upon any such consolidation, merger, sale or other disposition of our properties substantially as an entirety, the successor corporation formed by such consolidation or into which we are merged or the person to which such sale or other disposition is made shall succeed to, and be substituted for, and may exercise every right and power of, us under the senior secured indenture with the same effect as if such successor corporation or person had been named as us therein and we will be released from all obligations under the senior secured indenture. For purposes of the senior secured indenture, the conveyance or other transfer by us of:

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all of our facilities for the transmission of electric energy; or

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all of our facilities for the distribution of natural gas;

in each case considered alone or in any combination with properties described in any other clause, shall in no event be deemed to constitute a conveyance or other transfer of all our properties as or substantially as an entirety.

#### Certain Covenants
Limitation on Liens

The senior secured indenture provides that we may not issue, assume, guarantee or permit to exist after the release date any Debt (as defined below) that is secured by any mortgage, security interest, pledge, lien or other encumbrance (“Lien”) of or upon any of our Operating Property (as defined below), whether owned at the date of the senior secured indenture or thereafter acquired, without in any such case effectively securing the senior secured debt securities (together with, if we shall so determine, any of our other Debt or

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Debt guaranteed by us ranking equally with the senior secured debt securities) equally and ratably with such Debt (but only so long as such Debt is so secured).

The foregoing restriction will not apply to:

(1)

Liens on Operating Property existing at