F-Secure Oyj

Major Shareholding Notification • May 12, 2023

Disclosure 433128

F-Secure Oyj - Major shareholder announcements

F-Secure Corporation: Disclosure under chapter 9, section 10 of the securities market act

F-Secure Corporation | Stock Exchange Release | 12 May, 2023 at 09:00 PM EEST

F-Secure Corporation: Disclosure under chapter 9, section 10 of the securities market act

F-Secure Corporation has received an announcement from Nordea Funds Ltd on 12 May 2023, in accordance with the Finnish Securities Market Act Chapter 9, Section 5.

According to the announcement, the number of voting rights in F-Secure controlled by Nordea Funds reached ten (10) per cent of the total voting rights of F-Secure Corporation on 11 May 2023.

Total position of Nordea Funds subject to the notification:

	% of shares and voting rights	% of shares and voting rights through financial instruments	Total of both in %	Total number of shares and voting rights of issuer
Resulting situation on the date on which threshold was crossed or reached	Shares: 9.76% Votes: 10.07%		Shares: 9.76% Votes: 10.07%	174,673,165.00
Position of previous notification (if applicable)	Shares: 9.43% Votes: 9.75%		Shares: 9.43% Votes: 9.75%

Notified details of the resulting situation on the date on which the threshold was crossed or reached:

A: shares and voting rights

	Number of shares and voting rights	% of shares and voting rights
Class/type of sharesISIN code	Direct (SMA 9:5)	Indirect (SMA 9:6 and 9:7)	Direct (SMA 9:5)	Indirect (SMA 9:6 and 9:7)
FI4000519236	Shares: 17,056,779.00 Votes: 17,028,206.00		Shares: 9.76% Votes: 10.07%
SUBTOTAL	Shares: 17,056,779.00 Votes: 17,028,206.00	Shares: 9.76% Votes: 10.07%

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 further information, please contact:

Sari Somerkallio, Chief Financial Officer

tel. +358 40 3569251

investor.relations@f-secure.com

F-Secure in brief

F-Secure is Finland headquartered and globally operating consumer cyber security company. F-Secure offers award-winning security and privacy products and services that make every digital moment more secure, for everyone. F-Secure operates in over 100 countries, has ~180 Service Provider partners and is the global leader providing security through Communication Service Providers. F-Secure Corporation is listed on Nasdaq Helsinki Ltd. Read more: www.f-secure.com.