Kemira Oyj, Managers' transactions, April 29, 2025 at 9.40 am (EEST) Kemira Oyj: Announcement of manager's transaction; President and CEO Antti Salminen has acquired 2,785 Kemira shares Kemira has received a notification from President and CEO Antti Salminen of a transaction made with its financial instrument, according to the EU Market Abuse Regulation. Detailed information about the transaction is given below. Person subject to the notification requirement: Name: Salminen, Antti Position: Chief Executive Officer Issuer: KEMIRA LEI: 74370031Y7RK5H88CQ48 Notification type: INITIAL NOTIFICATION Reference number: 105679/4/4 _________________________________________ Transaction date: 2025-04-28 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI0009004824 Nature of the transaction: ACQUISITION Transaction details (1): Volume: 930 Unit price: 17.95 EUR (2): Volume: 1,855 Unit price: 17.95 EUR Aggregated transactions (1): Volume: 2,785 Volume weighted average price: 17.95 EUR Total ownership of instrument after the transaction: 145, 951 shares For more information, please contact: Kemira Oyj Mikko Pohjala, Vice President, Investor Relations Tel. +358 40 838 0709 mikko.pohjala@kemira.com Kemira is a global leader in sustainable chemical solutions for water-intensive industries. We deliver tailored products and services to improve the product quality, processes, and resource efficiency of our diverse range of customers. Our focus is on water treatment, as well as on fiber and renewable solutions - enabling sustainability transformation for our customers. In 2024, Kemira reported annual revenue of EUR 2.9 billion with a global team of some 4,700 colleagues. Kemira is listed on the Nasdaq Helsinki www.kemira.com