RICHMOND, Va.–(BUSINESS WIRE)–NewMarket Corporation (NYSE:NEU) Chairman and Chief Executive Officer, Thomas E. Gottwald, released the following earnings report of the Company’s operations for the fourth quarter and full year 2025. Income before income tax expense for the fourth quarter of 2025 was $113.2 million compared to $134.2 million last year. For the full year 2025, income before income tax expense was $560.6 million compared to $584.1 million in 2024. Net income for the fourth quarter