HOUSTON, TX – Feb. 06, 2026 – Kraton Corporation, a leading global producer of specialty polymers and high-value bio-based chemicals derived from pine wood pulping co-products, announces the appointment of Sangwoo Ryu as Chief Executive Officer (CEO).

Currently serving as CEO of Cariflex Pte Ltd, a Kraton spin-off under DL Chemical, Mr. Ryu joined Cariflex in February 2020, just prior to Cariflex’s acquisition by DL Chemical. Initially serving as Chief Financial Officer at Cariflex, Mr. Ryu transitioned to CEO of Cariflex in April 2025 with the appointment of Prakash Kolluri, former Cariflex CEO, as the President of Kraton’s Polymer business. Alongside Kraton’s Executive Leadership Team and Board of Directors, as well as Cariflex Leadership, Mr. Ryu will support the strategic decision-making, operational excellence, and long-term growth of both organizations.

“I want to express my gratitude towards the members of the Board of Directors and the Kraton Leadership Team for their unwavering dedication to Kraton’s success. I’m looking forward to leading Kraton into the next era of excellence, building upon the strong foundations and principles set forth in our vision and values.” – Sangwoo Ryu, Kraton CEO

Mr. Ryu brings over 25 years of experience in finance and operations leadership to Kraton with a strong track record across international markets. His expertise in financial strategy, investment controls, strategic planning, and operational planning will further solidify Kraton’s position as a trusted, reliable leader in the Pine Chemical and Polymers global markets.

Mr. Ryu’s appointment emphasizes Kraton’s dedication to strategic growth and long-term organizational stability.