HOUSTON, TX – May 26, 2026 – Kraton Corporation, a leading global producer of specialty polymers and high-value bio-based chemicals derived from pine wood pulping co-products, is excited to announce the release of its 2025 Sustainability Report, titled “Strengthening Our Commitment to a Sustainable Future.” Highlights from the report include in-depth analysis of Kraton’s new sustainability targets, advancements in upstream and downstream supply chain sustainability, and Kraton’s ongoing commitment to sustainable business practices.

“Sustainability is not new to Kraton. It has long been foundational to how we innovate, operate, and serve our customers,” said Sangwoo Ryu, Kraton Chief Executive Officer. “This past year marked an important step forward in reinforcing that foundation with clearer priorities, stronger governance, and more disciplined execution, while remaining grounded in sound business sense and focused on delivering value.”

“A central focus in 2025 was ensuring that Kraton’s sustainability commitments are supported by robust data, disciplined governance, and credible pathways to delivery,” said Rogier Roelen, Kraton Chief Sustainability Officer. “Our sustainability credibility depends not only on ambition, but on the quality of the data, assumptions, methodologies, and systems that underpin it.”

2025 report highlights include:

• Established new sustainability targets, grounded in a data-driven approach
• 2% Scope 1 and 2 absolute greenhouse gas emissions reduction vs. 2022 baseline
• Earned EcoVadis Platinum sustainability rating for the fifth consecutive year
• Joined the Cerisea Project, focusing on 5-HMF as a renewable alternative to fossil-based ingredients
• Awarded the CSX Chemical Safety Excellence Award for commitment to rail transportation safety
• Leveraged insights from 2024 double materiality assessment (DMA) to strengthen environmental, social, and governance (ESG) framework

Kraton’s sustainability pillars continue to be at the forefront of its sustainability strategy and governance. Preserving Planet highlights Kraton’s commitment to decrease environmental impact and conserve resources. Reliable Partners shows Kraton’s dedication to partnering upstream and downstream to support a sustainable value chain. Empowering People focuses on the safety, well-being, and growth of Kraton’s employees and communities.

Kraton’s 2025 Sustainability Report was prepared in accordance with the Global Reporting Initiative (GRI) standards, the Sustainability Accounting Standards Board (SASB), the United Nations Global Compact (UNGC), and the Task Force on Climate-Related Financial Disclosures (TCFD).

The full 2025 Sustainability Report is available on Kraton’s website at sustainability.kraton.com.