American Water Completes Debt Offering

American Water Works Company, Inc. (NYSE: AWK), the largest investor-owned U.S. water and wastewater utility company, today announced that its financing subsidiary, American Water Capital Corp., successfully completed its public offering of $75 million aggregate principal amount of 8.25 % Senior Monthly Notes due 2038. American Water completed a similar debt offering on November 26, 2008.

American Water will use the net proceeds of the offering to repay short-term debt.

Edward D. Jones & Co., L.P. served as the underwriter for the offering. Copies of the prospectus relating to the offering may be obtained from the offices of Edward D. Jones & Co., L.P., at 12555 Manchester Road, St. Louis, MO 63131. An electronic copy of the prospectus is available on the website of the Securities and Exchange Commission at www.sec.gov.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction.

Founded in 1886, American Water is the largest investor-owned U.S. water and wastewater utility company. With headquarters in Voorhees, N.J., the company employs more than 7,000 dedicated professionals who provide drinking water, wastewater and other related services to approximately 15 million people in 32 states and Ontario, Canada.