Exhibit 99.1 Lennox Reports First Quarter Results and Raises Full Year Profit Guidance ____________________________________________________________________________ Q1 Highlights (All comparisons are year-over-year, unless otherwise noted) (Prior-year adjusted results and core revenue exclude European operations that were divested in the 4Q 2023) • Revenue was $1.05 billion; core revenue up 6$167 million; adjusted segment profit up 17% to $167 ...