Essential Utilities WTRG Aqua Pennsylvania Inc — Number Of Counties Providing Operating Services

Nature of Operations ─ Essential Utilities, Inc. (“Essential Utilities,” the “Company,” “we,” “our”, or “us”) is the holding company for regulated utilities providing water, wastewater, or natural gas services concentrated in Pennsylvania, Ohio, Texas, Illinois, North Carolina, New Jersey, Indiana, Virginia, and Kentucky under the Aqua and Peoples brands. One of our largest operating subsidiaries is Aqua Pennsylvania, Inc., which accounted for approximately 57% of our Regulated Water segment’s operating revenues and approximately 72% of our Regulated Water segment’s income for 2025. Aqua Pennsylvania’s service territory is located in the suburban areas north and west of the City of Philadelphia and in 28 other counties in Pennsylvania. The Company’s other regulated water or wastewater utility subsidiaries provide similar services in seven additional states. Our Peoples subsidiaries provide natural gas service to approximately 747,000 customers in western Pennsylvania and Kentucky. Approximately 95% of the total number of natural gas utility customers we serve are in western Pennsylvania. The Company also operates market-based activities, conducted through its non-regulated subsidiaries, that provide utility service line protection solutions and repair services to households and gas marketing and production activities.