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AOSmith . FOR IMMEDIATE RELEASE First Quarter 2021 Highlights • News Release Media Relations : Mark Petrarca 414-359-4100 mpetrarca@aosmith.com Investor Relations : Patricia K. Ackerman 414-359-4130 packerman@aosmith.com A. O. Smith Reports First Quarter Results • Total sales of $ 769.0 million , an increase of 21 percent compared with Q1 2020 • Net earnings of $ 97.7 million , an increase of 89 percent compared with Q1 2020 Record Q1 EPS of $ 0.60 , an increase of 88 percent compared with Q1 2020 2021 Guidance Sales growth between 14 and 15 percent , upgraded from 10 percent growth announced in January 2021 • EPS between $ 2.55 to $ 2.65 , upgraded six percent from the midpoint introduced in January 2021 Exhibit 99.1 April 29 , 2021 Milwaukee , Wis . - Global water technology company A. O. Smith Corporation ( the “ Company ” ) ( NYSE : AOS ) today announced its first quarter 2021 results . " Our global A. O. Smith team delivered record first quarter earnings per share on a 21 percent increase in sales , demonstrating solid execution despite pandemic - and weather - related challenges in our supply chain and operations along with rapidly - rising material costs , ” noted Kevin J. Wheeler , chairman and chief executive officer . “ I greatly appreciate the diligence of our team to keep one another healthy and safe . Outside of India , where COVID - 19 cases have recently surged , I am pleased that we have experienced steady improvement in that area since the beginning of the year despite all the challenges . " North America Sales in the North America segment of $ 552.9 million increased four percent compared with the first quarter of 2020. Higher sales of boilers , service parts , tankless water heaters and water treatment products in the U.S. , improved water heater sales in Canada and inflation - related price increases on water heaters were partially offset by lower U.S. residential and commercial tank - type water heater volumes . Weather disruptions at the Company's facilities and supply chain constraints limited production in the quarter . If not for that limited production , U.S. residential tank - type water heater volumes would have increased compared with 2020 , based on a surge in customer orders in the quarter .