EQT MIDSTREAM COMPANY LLC — Integrity Assurance Notification

COMPOSITE MATERIALS TYPE CEQT is providing this Notice of Intent to construct, test, operate, and maintain as stipulated in 49 CFR Part 192, specifically § 192.9(g)(4(ii) and (h) of the Department ofTransportation (DOT) Pipeline and Hazardous Materials Safety Administration (PHMSA) regulations and Pennsylvania Public Utility Commission (PAPUC) FlexSteel Pipeline Technologies, Inc. (FlexSteel) pipe and fittings in a Type C onshore gas gathering application as defined in§ 192.8(b)(2). EQT proposes to install FlexSteel's 8-inch #1500 pounds per square inch (psig) rated pipe for an approximately 2 mile long pipeline project. It is in Cascade and Plunketts Creek Townships, Lycoming County and will be subject to state oversight by the Pennsylvania Public Utility Commission. See Exhibit A for the Project Overview Map.#