Exhibit 99.1 Media Relations: Investor Relations: Mark Petrarca Helen Gurholt 414-359-4100 414-359-4157 mpetrarca@aosmith.com hgurholt@aosmith.com FOR IMMEDIATE RELEASE April 25, 2024 A. O. Smith Reports Strong First Quarter Performance First Quarter 2024 Highlights (Comparisons are year-over-year (“YoY”), unless otherwise noted) • Sales of $979 million, an increase of 1$1.00, a YoY increase of 19% and an increase of 6% compared to prior year adjusted EPS • Strong operating c ...