Huntsman Marks Grand Opening of Operational Unit Expansion in Petfurdo, Hungary

WOODLANDS, TX —  March 21, 2026 /PRNewswire/ —  Huntsman Corporation (NYSE: HUN) today celebrated the grand opening of its expanded Performance Products manufacturing facility in Petfurdo, Hungary, where operations were initiated at the beginning of this year. The successful completion of this investment increases Huntsman's global capacity providing greater flexibility, and innovative technologies for the polyurethane, coatings, metalworking and electronics industries.

One of the world's leading amine catalyst producers with over 50 years of experience in urethane chemicals, Huntsman has seen demand for its JEFFCAT® amine catalysts continue to grow across the globe. These specialty amines are used in everyday applications such as automobile seats, mattresses and energy‑efficient insulation for buildings. Huntsman's latest product portfolio supports industry efforts to save energy, lower emissions and reduce odors in consumer products.

"This new capacity builds on our long‑standing investments in Performance Products and strengthens our ability to support customers in fast‑growing and evolving markets," said Jan Buberl, President, Huntsman Performance Products. "The expansion unit enhances our manufacturing flexibility, enables next‑generation products and reflects our continued focus on sustainability, operational excellence and long‑term value creation. As demand grows for cleaner, more efficient solutions, this investment positions us to respond with speed, innovation and reliability."

The project, supported by an investment grant from the Hungarian government, reflects the community's confidence in Huntsman and our shared commitment to future growth. Government officials joined the celebration to mark this investment in the region's long‑term success.

About Huntsman:
Huntsman Corporation is a publicly traded global manufacturer and marketer of diversified chemical products with 2025 revenues of approximately $6 billion from our continuing operations. Our chemical products number in the thousands and are sold worldwide to manufacturers serving a broad and diverse range of consumer and industrial end markets. We operate more than 55 manufacturing, R&D and operations facilities in approximately 25 countries and employ approximately 6,000 associates within our continuing operations. For more information about Huntsman, please visit the company's website at www.huntsman.com.