AIR QUALITY PERMIT NOTICE

AIR QUALITY PERMIT NOTICE Notice of Application Notice is given that the U.S. Silica Company has applied to the West Virginia Department of Environmental Protection, Division of Air Quality, for a Class II Administrative Amendment to install silica sand handling equipment at U.S. Silica’s existing plant located on 2496 Hancock Road, near Berkeley Springs in Morgan County, West Virginia. The latitude and longitude coordinates are: 39.657465 N, -78.206702 W. The applicant estimates the increased potential to discharge the following Regulated Air Pollutants will be: Particulate Matter (PM): <0.01 tons per year (tpy) Particulate Matter < 10 microns (PM10): <0.01 tpy Particulate Matter < 2.5 microns (PM2.5): <0.01 tpy Construction is planned to begin on or about the day the permit is issued. Written comments will be received by the West Virginia Department of Environmental Protection, Division of Air Quality, 601 57th Street, SE, Charleston, WV 25304, for at least 30 calendar days from the date of publication of this notice. Any questions regarding this permit application should be directed to the DAQ at (304) 702-5515, during normal business hours. Dated this the 28th of May 2026. By: U.S. Silica Company Jason Bish Vice President of EHS, U.S Silica Company 2496 Hancock Road Berkeley Springs, WV 25411 6-3-1tm