Koppers Named To Newsweek 'America's Most Responsible Companies' Listing

Core Insights - Koppers Holdings Inc. has been recognized as one of America's Most Responsible Companies for the sixth consecutive year in 2026 by Newsweek magazine [1][2] Company Overview - Koppers is an integrated global provider of treated wood products, wood treatment chemicals, and carbon compounds, employing 1,850 people [4] - The company focuses on creating, protecting, and preserving essential elements of global infrastructure, including railroad crossties and utility poles [4] Sustainability Achievements - Koppers' recent Corporate Sustainability Report (2024) highlights significant achievements: - 2.52 total recordable injury rate, the lowest in company history [7] - 53% increase in solar energy production year-over-year [7] - 27% of energy consumed is produced from renewable sources [7] - 38% of timber purchases in the Utility and Industrial Products business were sustainably certified, the highest on record [7] - 81% of employees reported being happy working at Koppers, the highest score since 2018 [7] Recognition Criteria - The selection of top companies is based on quantitative research from the 2,000 largest publicly traded companies in the U.S., utilizing over 30 key performance indicators in environmental, social, and corporate governance [3]