NewMarket Corporation reported a decline in net income and earnings per share for both the fourth quarter and full year 2025, primarily attributed to a higher effective income tax rate. Petroleum additives saw a decrease in sales and operating profit due to lower shipments and selling prices, while specialty materials experienced significant growth in sales and operating profit, driven by increased volumes and acquisitions.
Net income for Q4 2025 decreased to $81.3 million ($8.65 per share) from $110.7 million ($11.56 per share) in Q4 2024.
Petroleum additives sales for Q4 2025 were $585.1 million, down from $626.1 million in Q4 2024, with operating profit decreasing to $106.8 million from $135.7 million.
Specialty materials sales for Q4 2025 significantly increased to $48.5 million from $27.1 million in Q4 2024, with operating profit rising to $7.3 million from $1.5 million.
The full year 2025 net income was $418.7 million ($44.44 per share), down from $462.4 million ($48.22 per share) in 2024, mainly due to a higher effective income tax rate.
NewMarket Corporation anticipates continued solid results from its petroleum additives segment despite market softness and an uncertain global economic environment. The company plans to invest in technology, cost control, margin management, and building a global manufacturing network for efficient product delivery. Additionally, NewMarket expects to expand production in the specialty materials segment, with new capacity coming online towards the end of 2026.
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