Stepan Announces Price Increases

Stepan Company Announces Polyol Price Increase for North America effective July 1, 2026

Northbrook, IL, May 15, 2026 – Effective July 1, 2026, or as contracts allow, Stepan will increase the price for
STEPANPOL ® and TERATE ® Rigid Polyester Polyols used in the Americas by $0.185 per pound.

This increase is addition
to the price announcement effective May 15 th , 2026. This increase is necessary due to the continued escalation in raw
material prices, freight and energy costs.

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