Exhibit 99.1 Media Release Peabody Reports Results For Quarter Ended September 30, 2024 Completed $100 Million of Share Repurchases Centurion Development Making Exceptional Progress ST. LOUIS, October 31, 2024 – Peabody (NYSE: BTU) today reported net income attributable to common stockholders of $101.3 million, or $0.74 per diluted share, for the third quarter of 2024, compared to $119.9 million, or $0.82 per diluted share in the prior year quarter. Peabody had Adjusted EBITDA of $224.8 million in the third ...