Kentucky Public Service Commission

Order Entered: to be entered nunc pro tunc, that: 1. The Appendix to our February 24, 2012 Order shall be amended as follows:RATE RSRESIDENTIAL SERVICE Base Rate Gas Cost Adjustment Total Rate Commodity Charge for All Ccf Consumed $.37213 plus $.4199 $ .79203 RATE GS GENERAL SERVICE Base Rate Commodity Charge for All Ccf Consumed $20530 $.4199 $.6252 Gas Cost Adjustment Total Rate 2. All other provisions of the February 24, 2012 Order and Appendix that are not in conflict with the terms of this Order shall remain in full force and effect.

Oder Entered: 1. The rates proposed by Duke and set forth in the Appendix to this Order are approved for final meter readings on and after March 1, 2012. 2. Within 20 days of the date of this Order, Duke shall file its revised tariff sheets with this Commission setting out the rates approved herein and reflecting that they were approved pursuant to this Order.

Acknowledge Receipt of Filing

PURCHASED GAS ADJUSTMENT FILING OF DUKE ENERGY KENTUCKY, INC.