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1/16/26 , 8:53 AM EX - 99.1 2 ex991-3312021q1pressrelease.htm EX - 99.1 May 3 , 2021 Document Press Release AMERICAN WATER Exhibit 99.1 Edward Vallejo Vice President , Investor Relations 856-955-4445 edward.vallejo@amwater.com Maureen Duffy Senior Vice President , Communications and External Affairs 856-955-4163 maureen.duffy@amwater.com AMERICAN WATER REPORTS FIRST QUARTER 2021 RESULTS AFFIRMS 2021 GUIDANCE RANGE • First quarter 2021 diluted earnings of $ 0.73 per share , compared to $ 0.68 per share in 2020 , a 7.4 % increase • 2021 earnings guidance range of $ 4.18 to $ 4.28 per share affirmed • Invested $ 342 million in the first quarter and added approximately 4,500 customer connections year - to - date through closed acquisitions and organic growth ; Capital plan remains on track to invest approximately $ 1.9 billion in 2021 • Entered into an agreement to acquire the wastewater system of the City of York , Pa . , which will add more than 45,000 equivalent customer connections , bringing the total customer connections under agreement to more than 86,000 CAMDEN , N.J. , May 3 , 2021 - American Water Works Company , Inc. ( NYSE : AWK ) today reported results for the quarter ended March 31 , 2021 of $ 0.73 per share , compared to $ 0.68 per share in 2020 . " American Water continues to provide essential services to the communities we serve , and our employees again delivered strong first quarter results of $ 0.73 per share , compared to 2020 results , " said Walter Lynch , president , and CEO of American Water . " Our results demonstrate that we continue to grow our business through the consistent , disciplined execution of our strategies . ” " As an example of this successful execution , we recently announced what will be the largest municipal acquisition in Pennsylvania American Water's history . On April 6 , we signed an agreement to acquire the wastewater treatment and collection system for the City of York , Pa . , which will add an equivalent customer connection total of more than 45,000 . To date this year , we have added approximately 4,500 customer connections through organic growth and closed acquisitions . We also have under agreement more than 86,000 customer connections , including the City of York " continued Lynch . PRESS RELEASE 1 https://www.sec.gov/Archives/edgar/data/1410636/000141063621000148/ex991-3312021q1pressrelease.htm www.amwater.com 1/10