NewMarket Corporation's Board of Directors declared a quarterly cash dividend of $3.00 per share of common stock. The payment is scheduled for October 1, 2026, to shareholders of record as of the close of business on September 15, 2026. NewMarket Corporation operates in the chemical and aerospace industries, functioning as a holding company with subsidiaries that manufacture petroleum additives and specialty materials for solid rocket motors.

NewMarket Corporation reported second quarter and first half 2026 financial results on July 29, 2026. First-half net income was $251.8 million, or $27.14 per share, compared to $237.2 million, or $25.11 per share, in the prior year period. Second-quarter net income reached $133.8 million, or $14.54 per share, up from $111.2 million, or $11.84 per share, a year earlier. Petroleum additives sales totaled $675.6 million for the quarter and $1.3 billion for the first half. Specialty materials sales increased to $67.2 million in Q2 from $42.0 million in 2025, driven by the inclusion of Calca Solutions following its October 2025 acquisition. The company paid dividends of $55.6 million and repurchased over 200,000 shares for $126.4 million during the first half, reducing its Net Debt to EBITDA ratio to 1.0x. NewMarket Corporation is a holding company that develops, manufactures, and delivers chemical additives for petroleum products and specialty materials for aerospace and defense applications.