EXHIBIT 99.1 FirstService Reports Third Quarter 2023 Results Strong Organic Top-Line Growth Drives Financial Performance Operating highlights: Three months ended Nine months ended September 30 September 30 2023 2022 2023 2022 Revenues (millions) $1,117.1$ 960.5 $3,255.3$ 2,725.7 Adjusted EBITDA (millions) (note 1) 111.9 95.5 312.4 249.2 Adjusted EPS (note 2) 1.25 1.17 3.56 3.02 GAAP Operating Earnings 73.6 62.7 196.8 151.6 GAAP EPS 0.73 0.77 2.10 1.86 TORONTO, Oct. 26, 2023 (GLOBE NEWSWIRE) -- FirstServ ...