Kemira Oyj, Stock Exchange Release, March 1, 2023 at 1.15 pm (EET) Kemira Oyj: Shareholding of Solidium Oy in Kemira has decreased to 5.01 per cent This is a notification in accordance with Chapter 9, Section 10 of the Finnish Securities Market Act. Kemira Oyj has on March 1, 2023 received a notification of a change in shareholding in accordance with Chapter 9, Section 5 of the Securities Market Act. According to the notification, the shareholding of Solidium Oy in Kemira Oyj on March 1, 2023 has decreased to 5.01% and is 7,782,765 shares representing 5.01% of the share capital and votes in the company. The share capital of Kemira Oyj consists of 155,342,557 shares and each share is entitled to one vote at the general meeting of shareholders. Total positions of Solidium Oy subject to the notification: +----------------+----------+------------------+------+----------------------+ | |% of |% of shares and |Total |Total number of shares| | |shares and|voting rights |of |and voting rights of | | |voting |through financial |both |issuer | | |rights |instruments (total|in % | | | |(total |of B) |(A+B) | | | |of A) | | | | +----------------+----------+------------------+------+----------------------+ |Resulting |5.01 % |- |5.01% |155,342,557 | |situation on the| | | | | |date on | | | | | |which threshold | | | | | |was crossed or | | | | | |reached | | | | | +----------------+----------+------------------+------+----------------------+ |Positions of |14.88% |- |14.88%|- | |previous | | | | | |notification | | | | | +----------------+----------+------------------+------+----------------------+ Notified details of the resulting situation on the date on which the threshold was crossed or reached: A: Shares and voting rights: +------------+-----------------+----------------+-----------------+-----------+ |Class/type |Number of shares and voting rights|% of shares and voting rights| |of shares | | | |ISIN code | | | +------------+-----------------+----------------+-----------------+-----------+ |Direct |Indirect |Direct |Indirect | |(SMA 9:5) |(SMA 9:6 and 9:7)|(SMA 9:5) |(SMA 9:6 and 9:7)| +------------+-----------------+----------------+-----------------+-----------+ |FI0009004824|7,782,765 | |5.01% | | +------------+-----------------+----------------+-----------------+-----------+ |SUBTOTAL A |7,782,765 |5,01% | +------------+-----------------+----------------+-----------------+-----------+ B: Financial instruments according to SMA 9:6a: Type of Expiration Exercise/ Physical Number % of shares and financial date Conversion or of voting rights instrument Period cash shares settlement and voting rights SUBTOTAL B Information of the controlled undertakings through which the shares, voting rights and financial instruments are effectively held: Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer. 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 provide the best-suited products and services to improve our customers' product quality, process, and resource efficiency. Our focus is on pulp & paper, water treatment, and energy sectors. In 2022, Kemira had annual revenue of around EUR 3.6 billion and around 5,000 employees. Kemira shares are listed on the Nasdaq Helsinki Ltd. www.kemira.com