Kemira Oyj, Stock Exchange Release, January 17, 2023 at 7.00 pm (EET) Kemira Oyj: Shareholding of Impax Asset Management Group plc in Kemira has decreased to 4.99 per cent This is a notification in accordance with Chapter 9, Section 10 of the Finnish Securities Market Act. Kemira Oyj has on January 17, 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 indirect shareholding of Impax Asset Management Group plc in Kemira Oyj on January 16, 2023 has decreased to 4.99% and is 7,762,492 shares representing 4.99% 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 Impax Asset Management Group plc and its funds 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 |4.99 % |- |4.99%|155,342,557 | |situation on the| | | | | |date on | | | | | |which threshold | | | | | |was crossed or | | | | | |reached | | | | | +----------------+----------+------------------+-----+----------------------+ |Positions of |5.00% |- |5.00%|- | |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| |7,762,492 | |4.99% | +------------+-----------------+----------------+-----------------+-----------+ |SUBTOTAL A |7,762,492 |4.99% | +------------+-----------------+----------------+-----------------+-----------+ 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 0 Information of the controlled undertakings through which the shares, voting rights and financial instruments are effectively held: +----------------+-----------+-----------------------------+-------------+ |Name |% of shares|% of shares and voting rights|Total of both| | |and voting |through financial instruments| | | |rights | | | +----------------+-----------+-----------------------------+-------------+ |Impax Asset | | | | |Management Group| | | | |plc | | | | +----------------+-----------+-----------------------------+-------------+ |Impax Asset |4.99% | |4.99% | |Management | | | | |Limited | | | | +----------------+-----------+-----------------------------+-------------+ For more information, please contact: Kemira Oyj Mikko Pohjala, Vice President, Investor Relations +358 40 838 0709 Kemira is a global leader in sustainable chemical solutions for water intensive industries. We provide best suited products and expertise to improve our customers' product quality, process and resource efficiency. Our focus is on pulp & paper, water treatment and energy industry. In 2021, Kemira had annual revenue of around EUR 2.7 billion and around 5,000 employees. Kemira shares are listed on the Nasdaq Helsinki Ltd. www.kemira.com