AIR QUALITY PERMIT NOTICE NOTICE OF OPEN COMMENT PERIOD On January 30, 2026, Columbia Gas Transmission, LLC applied to the WV Department of Environmental Protection, Division of Air Quality (DAQ) for a permit to Construct and operate an administrative office at 200 Kanawha Blvd. E, Charleston, Kanawha County, WV at latitude 38.352746 and longitude -81.641776. A preliminary evaluation has determined that all State and Federal air quality requirements will be met by the proposed facility. The DAQ is providing notice to the public of an open comment period for permit application R13-3749. The following potential emissions will be authorized by this permit action: Particulate Matter (all particulate matter is considered 2.5 microns or less), 0.53 TPY; Oxides of Nitrogen, 6.29TPY; Carbon Monoxide, 2.51TPY; Sulfur Dioxide, 0.02; Hazardous Air Pollutants 0.060 TPY; Volatile Organic Compounds 0.26 TPY. Written comments or requests for a public meeting must be received by the DAQ before 5:00 p.m. on Thursday, April 23, 2026. A public meeting may be held if the Director of the DAQ determines that significant public interest has been expressed, in writing, or when the Director deems it appropriate. The purpose of the DAQ's permitting process is to make a preliminary determination if the proposed construction will meet all state and federal air quality requirements. The purpose of the public review process is to accept public comments on air quality issues relevant to this determination. Only written comments received at the address noted below within the specified time frame, or comments presented orally at a scheduled public meeting, will be considered prior to final action on the permit. All such comments will become part of the public record. Brian D. Carney, PE WV Department of Environmental Protection Division of Air Quality 601 57th Street, SE Charleston, WV 25304 Telephone: 304/926-0499, ext. 41287 Email: [email protected] Additional information, including copies of the draft permit, application and all other supporting materials relevant to the permit decision may be obtained by contacting the engineer listed above. The draft permit and engineering evaluation can be downloaded at: https://dep.wv.gov/daq/permitting/Pages/NSR-Permit-Applications.aspx LC-436450 03-24;2026