LEGAL NOTICE OF EVIDENTIARY HEARING INDIANA UTILITY REGULATORY COMMISSION CAUSE NO. 46324 IN THE MATTER OF THE PETITION OF AEP INDIANA MICHIGAN TRANSMISSION COMPANY, INC. FOR ALL NECESSARY AUTHORITY IN CONNECTION WITH A $750,000,000 FINANCING PROGRAM INVOLVING THE ISSUANCE OF SECURED OR UNSECURED PROMISSORY NOTES OF ONE OR MORE NEW SERIES. Notice is hereby given that the Indiana Utility Regulatory Commission will conduct a public Evidentiary Hearing in the above-captioned Cause in Room 224 of the PNC Center, 101 W. Washington Street, Indianapolis, Indiana, commencing at 1:00 PM on February 5, 2026. This hearing is open to the public. If an accommodation is required to allow an individual with a disability to participate, please contact the Office of the Executive Secretary of the IURC at 317.232.2701 or TDD 317. 232.8556 at least 48 hours in advance. INDIANA UTILITY REGULATORY COMMISSION OFFICE OF THE EXECUTIVE SECRETARY 317.232.2701 BY: IURC – Steve Henke, ALJ DATE: December 31, 2025 HSPAXLP January 2 2026 LSBN0432863