LEGAL NOTICE OF EVIDENTIARY HEARING INDIANA UTILITY REGULATORY COMMISSION CAUSE NO. 37366 GCA 171 VERIFIED PETITION OF SOUTHERN INDIANA GAS AND ELECTRIC COMPANY D/B/A CENTERPOINT ENERGY INDIANA SOUTH ("CEI SOUTH") FOR APPROVAL OF CHANGES IN ITS GAS COST ADJUSTMENTS IN ACCORDANCE WITH I.C. 8-1-2-42(g) and 8-1-2-42.3. Notice is hereby given that the Indiana Utility Regulatory Commission will conduct a public Evidentiary Hearing in the above-captioned Cause in Room 222 of the PNC Center, 101 W. Washington Street, Indianapolis, Indiana, commencing at 2:00 PM on July 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 COMMISSIONOFFICE OF THE EXECUTIVE SECRETARY 317.232.2701 BY: IURC-Steve Henke, ALJ DATE: June 15, 2026 July 3 2026 LSBN0548923