LEGAL NOTICE OF EVIDENTIARY HEARING INDIANA UTILITY REGULATORY COMMISSION CAUSE NO. 46273 PETITION OF NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC FOR APPROVAL OF A CERTIFICATE OF AUTHORITY TO ISSUE BONDS, NOTES, OR OTHER EVIDENCES OF INDEBTEDNESS IN AN AMOUNT NOT TO EXCEED $1,000,000,000 DURING THE PERIOD JANUARY 1, 2026 THROUGH DECEMBER 31, 2026. 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 10:00 AM on October 20, 2025. 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 – Sean Gorman, ALJ DATE: August 27, 2025 HSPAXLP August 30 2025 LSBN0361243