Company: AILIM
Filing Date: 2025-09-16
Form Type: 424B2
Source: 0001104659-25-090464
Chunk: 58

Company: Ameren Illinois Co
Filing Date: 2025-09-16
Form: 424B2
Chunk 58
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 October 25, 2017, will irrevocably (a) consent to each of the amendments to the mortgage indenture described under “Description of First Mortgage Bonds and Mortgage Indenture” entitled: “— Priority and Security,” “— Issuance of Additional First Mortgage Bonds,” “— Remedies,” “— Consolidation, Merger, Conveyance, Transfer or Lease” and “— Release of Property” without any other or further action by any holder of such senior secured debt securities and (b) designate the senior secured trustee as the proxy of such holder with irrevocable instructions to vote and deliver written consents on behalf of such holder in favor of such amendments at any meeting of noteholders or bondholders, in lieu of any meeting of noteholders or bondholders, in response to any consent solicitation or otherwise. As of September 30, 2023, the holders of senior secured debt securities in the principal amount of $42 million have consented to such amendments (representing 3% of the aggregate principal amount of senior secured debt securities then outstanding). For information regarding voting or consents by holders of first mortgage bonds (other than senior note mortgage bonds), see “— Reserved Rights to Amend the Mortgage Indenture and Consents” under “Description of First Mortgage Bonds and Mortgage Indenture” in this prospectus.

#### Resignation or Removal of Senior Secured Trustee
The senior secured trustee may resign at any time upon written notice to us specifying the day upon which the resignation is to take effect and such resignation will take effect immediately upon the later of the appointment of a successor trustee and such specified day. The senior secured trustee may be removed at any time by an instrument or concurrent instruments in writing filed with the senior secured trustee and signed by the holders, or their attorneys-in-fact, of at least a majority in principal amount of the outstanding senior secured debt securities. In addition, so long as no event of default or event which, with the giving of notice or lapse of time or both, would become an event of default has occurred and is continuing, we may

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remove the senior secured trustee upon notice to the holder of each senior secured debt security outstanding and the senior secured trustee, and the appointment of a successor trustee.

#### Concerning the Senior Secured Trustee
We and our affiliates maintain corporate trust and other banking relationships with The Bank of New York Mellon Trust Company, N.A