Clean Harbors(CLH) - 2024 Q1 - Quarterly Results

EXHIBIT 99.1 Press Release Clean Harbors Announces First-Quarter 2024 Financial Results • Posts 5% Q1 Revenue Increase to $1.38 Billion, Led by 10% Growth in Environmental Services • Generates Q1 Net Income of$ 69.8 Million, or EPS of $1.29 • Achieves 7% Growth in Q1 Adjusted EBITDA to$ 230.1 Million with Margin of 16.7% • Raises Full-Year 2024 Adjusted EBITDA Guidance and Maintains Adjusted Free Cash Flow Guidance NORWELL, Mass. – May 1, 2024 – Clean Harbors, Inc. ("Clean Harbors") (NYSE: CLH), the leading ...