Clean Harbors(CLH) - 2023 Q4 - Annual Results

EXHIBIT 99.1 Press Release Clean Harbors Announces Fourth-Quarter and Full-Year 2023 Financial Results • Posts Q4 Revenue of $1.34 Billion, up 5%; Full-Year Revenues of$ 5.41 Billion • Generates Q4 Net Income of $98.3 Million, or EPS of$ 1.81; Adjusted EPS of $1.82; Full-Year Net Income of$ 377.9 Million, or EPS of $6.95; Adjusted EPS of$ 6.99 • Achieves Q4 Adjusted EBITDA of $254.9 Million, up 14%; Generates Full-Year Adjusted EBITDA of$ 1.013 Billion • Delivers Full-Year Net Cash from Operating Activities ...