LEGAL NOTICE OF PREHEARING CONFERENCE AND PRELIMINARY HEARING INDIANA UTILITY REGULATORY COMMISSION CAUSE NO. 46329 COMMISSION INVESTIGATION INTO NORTHERN INDIANA PUBLIC SERVICE COMPANY, LLC AND ISSUES ASSOCIATED WITH ITS NATURAL GAS CUSTOMER METERS Notice is hereby given that the Indiana Utility Regulatory Commission will conduct a public Prehearing Conference and Preliminary Hearing in the above-captioned Cause in Room 222 of the PNC Center, 101 W. Washington Street, Indianapolis, Indiana, commencing at 1:30 PM on January 15, 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 – Loraine Seyfried, ALJ DATE: December 2, 2025 HSPAXLP December 5 2025 LSBN0417784