DUKE ENERGY OHIO — Integrity Assurance Notification

PROGRAMOpIDs 2364, 15518, 20110, 31892, 39178 The purpose of this letter is to notify PHMSNOPS of changes to the Transmission Integrity Management Program (TIMP) Plan utilized by Duke Energy's Natural Gas Business Unit1 (Operator IDs# 2364, 15518, 20110, 31892, and 39178), which may substantially affect the implementation of the TIMP or significantly modify the program in accordance with the provisions of 49 CFR § 192.909. Section 192.909(b) mandates that Duke Energy provide notification within 30 days after adopting this type of change into its program. Notification of these changes has also been provided to the State Pipeline Safety Representative (NAPSR Representative) in each of the seven states that are covered by the revised Duke Energy TIMP Plan.#