Outokumpu Corporation Stock exchange release October 6, 2025 at 6.00 pm EEST Changes in Outokumpu's Leadership Team in business area Americas and Group Functions Outokumpu has appointed Johann Steiner (M.Sc. Econ.) as President, business area Americas as of today October 6, 2025. Tamara Weinert, the previous position holder, will pursue new challenges. “I am pleased to announce the appointment of Johann Steiner to lead business area Americas. With more than 10 years in the company, Johann brings extensive leadership experience across multiple functions and a deep understanding of the group strategy and the stainless steel market. His expertise will be valuable in growing Outokumpu's business in Americas as a part of our new EVOLVE strategy, and I wish him all the success in his new role. I also want to thank Tamara Weinert for her contribution and commitment throughout her years at Outokumpu,” says Kati ter Horst, President and CEO of Outokumpu. Johann Steiner continues to be a member of Outokumpu's Leadership Team, which he joined in 2013. Most recently, Johann held the role of EVP, Strategy, Sustainability & People. The search for his successor is ongoing. Johann Steiner will be based in Calvert, Alabama and continues to report to Kati ter Horst, President & CEO, Outokumpu. His CV is available at https://www.outokumpu.com/en/about-outokumpu/organization/leadership-team. For more information: Investors: Ulla Paajanen, SVP, IR and Strategic Advisory, tel. +358 40 763 8767 Media: Päivi Allenius, SVP - Brand, Communications and Public Affairs, tel. +358 40 753 7374, or Outokumpu media desk, tel. +358 40 351 9840, e-mail media(at)outokumpu.com Outokumpu is accelerating the green transition as the global leader in sustainable stainless steel. Our business is based on the circular economy: our products are made from 95% recycled materials, which we then turn into fully recyclable stainless steel. This steel is utilized in various applications across society, including infrastructure, mobility, and household appliances. We are committed to 1.5°C target to mitigate climate change, and with up to 75% lower carbon footprint than the industry average, we support our customers to reduce their emissions. Together, we are working towards a world that lasts forever. Outokumpu Corporation employs approximately 8,700 professionals in close to 30 countries, with headquarters in Helsinki, Finland and shares listed in Nasdaq Helsinki. Read more: www.outokumpu.com