Illinois American Water Ranks #1 in J.D. Power Customer Satisfaction

Woodridge, Ill. – May 10, 2023 – For the fourth year in a row, Illinois American
Water, a subsidiary of American Water (NYSE: AWK), has received the J.D. Power
award for ranking highest in customer satisfaction among large water utilities
in the Midwest, according to the J.D. Power 2023 U.S. Water Utility Residential
Customer Satisfaction StudySM. https://www.jdpower.com/business/utilities/water- utility-residential-customer-satisfaction-study

Illinois American Water also ranked #1 in the first year of the
J.D. Power Water Utility Residential Customer Satisfaction Study in 2016.

No other water utility in the Midwest large segment has earned
the award four consecutive years.

Illinois American Water President Rebecca Losli commended
employees for their focus and commitment to customers. “Our employees in every
district of Illinois place our customers at the center of everything we do.
Every day, our team strives to deliver excellent service at a good value, not
for recognition, but because it is the right thing to do. To be recognized by
J.D. Power for four years in a row is an incredible accomplishment. I am very
proud of our team.”

The J.D. Power 2023 U.S. Water Utility Residential Customer
Satisfaction StudySM measures satisfaction among residential customers of 90
water utilities that deliver water to at least 400,000 customers and is
reported in four geographic regions and two size categories: Midwest Large,
Midwest Midsize, Northeast Large, Northeast Midsize, South Large, South
Midsize, West Large and West Midsize. Overall satisfaction is measured by
examining 32 attributes in six factors (listed in order of importance): quality
and reliability; price; conservation; billing and payment; communications; and
customer service.

In addition to ranking #1 in the Midwest Large region, Illinois
American Water also achieved the highest score in the Midwest Large region for
five of the six factors measured within the 2023 study – price, conservation,
billing and payment, communications and customer service.

“Our customers look to us to deliver timely information about
their service, including tips on how to reduce water waste and more. We’re
proud of our track record for customer satisfaction and thank our customers for
the confidence and trust they place in us,” continued Losli.

For more information about the J.D. Power 2023 Water Utility
Residential Customer Satisfaction StudySM, visit https://www.jdpower.com/business/utilities/water-utility-residential-customer-

satisfaction-study.

About Illinois American Water

Illinois American Water, a subsidiary of American Water (NYSE:
AWK), is the largest investor-owned water utility in the state, providing
high-quality and reliable water and wastewater services to approximately 1.3
million people. American Water also operates a quality control and research
laboratory in Belleville. For more information, visit www.illinoisamwater.com and
follow Illinois American Water on Twitter and Facebook.

Illinois American Water, a subsidiary of American Water
(NYSE:AWK) , is the largest investor-owned water utility in the state,
providing high-quality and reliable water and wastewater services to approximately
1.3 million people. American Water also operates a quality control and research
laboratory in Belleville. For more information, visit www.illinoisamwater.com and
follow Illinois American Water on Twitter and Facebook.

About American Water

With a history dating back to 1886, American Water (NYSE: AWK)
is the largest and most geographically diverse

U.S. publicly traded water and wastewater utility company. The
company employs approximately 6,500 dedicated professionals who provide
regulated and regulated-like drinking water and wastewater services to an
estimated 14 million people in 24 states. American Water provides safe, clean,
affordable, and reliable water services to our customers to help keep their
lives flowing. For more information, visit amwater.com and diversityataw.com. Follow
American Water on Twitter, Facebook, and LinkedIn.

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External Communications

Rosemaria@newsmakersinc.com