Kesko Corporation has on 2 July 2025 received a notification pursuant to Chapter 9, Section 10 of the Finnish Securities Markets Act from BlackRock, Inc. The reason for the notification by BlackRock, Inc. is the Group restructure following the acquisition of HPS Investment Partners ("HPS") on 1 July 2025. The aggregate holdings including financial instruments owned by BlackRock, Inc. and the entities referred to amounts to 5.43% of the total number of shares and Kesko Corporation. BlackRock, Inc.'s holding in Kesko Corporation exceeded the threshold of five (5) per cent of shares on 14 April 2025. According to the notification of BlackRock, Inc.: % of % of shares Total Total number of shares shares and voting of and voting rights of and rights both issuer voting through in % rights financial (A + (total instruments B) of A) (total of B) Resulting 5.42% 0.00% shares 5.43% 400,079,008 shares situation on the shares shares date on Below 5% 1,542,611,260 voting which threshold Below voting rights Below rights was crossed or 5% 5% reached voting voting rights rights Position of 5.23% 0.03% shares 5.27% ------------------------ previous shares shares notification Below 5% (if applicable) Below voting rights Below 5% 5% voting voting rights rights A: Shares and voting rights Class/type Number of % of of shares and shares shares voting and rights voting rights Direct Indirect Direct Indirect (SMA 9:5) (SMA 9:6 (SMA 9:5) (SMA 9:6 and 9:7) and 9:7) FI0009000202 21,709,892 5.42% shares shares Below 5% voting rights Below 5% voting rights SUBTOTAL A 21,709,892 5.42% shares shares Below 5% Below 5% voting voting rights rights B: Financial Instruments according to SMA 9:6a Type of Expiration Exercise/ Physical Number % of shares financial date Conversion or of and voting instrument Period cash shares rights settlement and voting rights American N/A N/A Physical 1,116 0.00% shares Depositary shares Receipt Below 5% (US4925311080) Below 5% voting rights voting rights Securities N/A N/A Physical 29,771 0.00% shares Lent shares Below 5% Below 5% voting rights voting rights CFD N/A N/A Cash 4,219 0.00% shares shares Below 5% Below 5% voting rights voting rights SUBTOTAL B 35,106 0.00% shares shares Below 5% Below 5% voting rights voting rights Kesko Corporation's share capital is divided into A shares and B shares. The total number of shares is 400,079,008 of which 126,948,028 (31.7%) are A shares and 273,130,980 (68.3%) are B shares. The total amount of own B shares held by the company is 1,958,976. The full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity is presented in the enclosed attachment. Further information is available from Lasse Luukkainen, Executive Vice President, Legal and Sustainability, tel. +358 105 322 818. Kesko Corporation DISTRIBUTION Nasdaq Helsinki Ltd Main news media www.kesko.fi Attachment: Annex