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Press Release AMERICAN WATER November 2 , 2021 Exhibit 99.1 Aaron Musgrave Senior Director , Investor Relations 856-955-4029 aaron.musgrave@amwater.com Maureen Duffy Senior Vice President , Communications and External Affairs 856-955-4163 maureen.duffy@amwater.com • • AMERICAN WATER REPORTS THIRD QUARTER 2021 RESULTS AND AFFIRMS 2021 GUIDANCE RANGE ANNOUNCES 2022 GUIDANCE , LONG - TERM GROWTH TARGETS , AND CAPITAL INVESTMENT PLANS Third quarter 2021 diluted earnings of $ 1.53 per share , compared to $ 1.46 per share in 2020 ; Year - to - date 2021 diluted earnings of $ 3.40 per share , compared to $ 3.11 per share in 2020 Quarter and year - to - date results reflect an estimated unfavorable impact of $ 0.07 per share and $ 0.04 per share , respectively , from cooler and wetter weather in 2021 compared to 2020 ; on a weather normalized basis , results increased 10 % and 11 % for the quarter and year - to - date periods , respectively 2021 diluted earnings per share ( EPS ) guidance range of $ 4.18 to $ 4.28 per share affirmed . This guidance range excludes any estimated impact from a closing of the announced sale of Homeowner Services business ( HOS ) in 2021 2022 diluted EPS guidance range of $ 4.39 to $ 4.49 established , reflective of continued growth of the Regulated Businesses and announced sale of HOS Long Term EPS compound annual growth rate ( CAGR ) established at a narrowed range of 7 to 9 % for the 2022-2026 period Increased regulated investment over the next 10 years by $ 6.0 billion to a range of $ 28-32 billion , reflective of redeployment of Homeowner Services sale proceeds CAMDEN , N.J. , November 2 , 2021 - American Water Works Company , Inc. ( NYSE : AWK ) today reported results for the quarter ended September 30 , 2021 , of $ 1.53 per share , compared to $ 1.46 per share in 2020. The Company today also established 2022 diluted earnings per share guidance , and announced its long - term EPS growth target , and capital investment plans . " We continue to deliver solid results with third quarter 2021 earnings in line with our expectations . These results demonstrate that we continue to grow our business through the consistent execution of our strategies , " said Walter Lynch , president and CEO of American Water . " Building on our year - over - year success , we have further strengthened our regulated business and will now deliver even higher quality earnings , " added Lynch . " With our recently announced sale of our Homeowner Services business , we can accelerate on our commitment to build and maintain reliable and resilient water and wastewater infrastructure , continue to put our customers first , and deliver water and wastewater solutions where we create the most value for customers and communities . Additionally , 100 % of our earnings going forward will come from our regulated and regulated - like businesses , providing long term , stable and steady growth . "