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VOORHEES, N.J.--([ BUSINESS WIRE ])--American Water Works Company, Inc. (NYSE: AWK) announced today that it intends to release its updated 2011 full-year earnings per share range and 2012 guidance after the market closes on Tuesday, January 17, 2012.

Jeff Sterba, president and chief executive officer, and Ellen Wolf, senior vice president and chief financial officer, will host a 2012 Earnings Guidance conference call and audio webcast with investors, analysts and other interested parties on Wednesday, January 18, 2012 at 9:00 a.m. Eastern Standard Time. There will be a question and answer session as part of the call.

Interested parties may listen over the Internet by logging on to the Investor Relations page of the companyas Web site at [ www.amwater.com ].

Following the earnings conference call, an audio archive of the call will be available through January 25, 2012 by dialing 303-590-3030for U.S. and international callers. The access code for replay is 4498174.The online archive of the webcast will be available through February 18, 2012 by accessing the Investor Relations page of the companyas Web site located at [ www.amwater.com ].

Founded in 1886, American Water is the largest publicly traded 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 more than 30 states as well as parts of Canada. More information can be found at [ www.amwater.com ].