American Water Works Company, Inc.

American Water is the largest and most geographically diverse, publicly-traded water and wastewater utility company in the United States, measured by operating revenues and population served. Established in 1886 and incorporated in Delaware in 1936, the company employs approximately 7,000 professionals. It provides drinking water, wastewater, and related services to approximately 14 million people across 24 states. The majority of its business is conducted through regulated utilities that provide water and wastewater services, which are presented as one reportable segment called "Regulated Businesses." American Water also operates other businesses that provide water and wastewater services to the U.S. government on military installations and to municipalities. These other businesses are collectively presented as "Other" in the Annual Report on Form 10-K. On October 26, 2025, American Water entered into an Agreement and Plan of Merger with Essential to combine the two companies in a stock-for-stock transaction. Upon completion, Essential shareholders will receive 0.305 shares of American Water common stock for each share of Essential common stock. Essential will become a wholly owned subsidiary of American Water, which will retain its name and remain headquartered in Camden, New Jersey. The proposed merger is estimated to close by the end of the first quarter of 2027.