Koppers Management Participating in Sidoti Year End Virtual Investor Conference

Core Viewpoint - Koppers Holdings Inc. will participate in the Sidoti Year End Virtual Investor Conference on December 10, 2025, hosting meetings with the investment community [1][2]. Company Overview - Koppers is an integrated global provider of treated wood products, wood preservation technologies, and carbon compounds, employing approximately 1,850 people [3]. - The company focuses on creating, protecting, and preserving essential elements of global infrastructure, including railroad crossties, utility poles, and outdoor wooden structures [3]. - Koppers aims to provide safe and sustainable solutions to support rail transportation, maintain power supply, and enhance public spaces [3].