Syensqo appoints Heike van de Kerkhof as Chair of the Board of Directors

Group 1 - Syensqo has appointed Heike van de Kerkhof as the independent Chair of its Board of Directors, effective March 3, 2026, succeeding Rosemary Thorne, who will step down as chair immediately and from her position as independent director on March 31, 2026 [1][11][6] - Heike van de Kerkhof has over three decades of experience in specialty chemicals, materials, and energy, previously serving as CEO of Archroma and holding leadership roles at BP, Castrol, Chemours, and DuPont, which positions her well to lead the Board [2][23][27] - The Board expresses gratitude to Rosemary Thorne for her leadership during a pivotal phase of the Company's development and looks forward to the next chapter under Heike van de Kerkhof's chairmanship [3][24] Group 2 - Roeland Baan has stepped down from the Board on March 2, 2026, for personal reasons, after making significant contributions, particularly in the ESG Committee and the Audit and Risk Committee [4][25] - Miguel Mantas, former CEO of Allnex, has been welcomed as an independent director, bringing a strong track record in growth, portfolio transformation, and complex cross-border transactions [5][26] - The Board's evolution is timely as Syensqo strengthens its governance to address new challenges and opportunities, following the appointment of Mike Radossich as CEO on January 1, 2026 [6][27] Group 3 - The Nomination Committee plans to appoint at least one additional independent director in the coming months to enhance the Board's expertise and maintain robust governance standards [7][28] - Heike van de Kerkhof stated her commitment to supporting management in strengthening performance, maintaining high governance standards, and delivering long-term value for shareholders [7][28]