VIRGINIA NATURAL GAS — Integrity Assurance Notification

PROGRAMPursuant to 49 C.F.R. § 192.909, the purpose of this notification is to make you aware of a significant change to our Integrity Management Plan (IM Plan). Virginia Natural Gas (VNG) has added the potential threat of stress corrosion cracking (SCC). While VNG has not previously considered SCC as a potential threat, our Southern Company Gas affiliated utility, Atlanta Gas Light, has identified SCC on a pipeline in Georgia.#