WithSecure Corporation applies for the delisting of its shares from the official list of Nasdaq Helsinki

WithSecure Corporation applies for the delisting of its shares from the official list of Nasdaq Helsinki

The Board of Directors of WithSecure Corporation (“WithSecure”) has today resolved to apply for the termination of public trading in the shares of WithSecure and for the delisting of its shares from the official list of Nasdaq Helsinki Ltd (“Nasdaq Helsinki”) as soon as possible upon Diana BidCo Oy (“Diana BidCo”) having gained title to all the shares in WithSecure in the pending redemption proceedings under Chapter 18 of the Finnish Companies Act.

Diana BidCo holds more than 90 percent of all the issued and outstanding shares in WithSecure. As WithSecure has previously announced , Diana BidCo has, by submitting an application to the Redemption Board of the Finland Chamber of Commerce, dated 17 November 2025, commenced redemption proceedings in respect of WithSecure’s minority shares by initiating arbitration proceedings in accordance with Chapter 18, Section 3 of the Finnish Companies Act in order to obtain ownership of all the issued and outstanding shares in WithSecure. Diana BidCo served its application to appoint an arbitral tribunal and to initiate arbitration proceedings in accordance with Chapter 18, Section 5 of the Finnish Companies Act on 15 December 2025.

The Board of Directors of WithSecure has resolved to submit an application to Nasdaq Helsinki for the termination of public trading and for the delisting of WithSecure’s shares. In the application, it is requested that the delisting in respect of WithSecure’s shares admitted to trading on the official list of Nasdaq Helsinki would become effective as soon as possible after Diana BidCo has gained title to all the shares in WithSecure in the pending redemption proceedings under Chapter 18 of the Finnish Companies Act.

Investor and Media enquiries:

WithSecure

Tiina Sarhimaa
Interim CFO
Tel. +358 9 2520 0700
investor-relations@withsecure.com

Distribution:
Nasdaq Helsinki Ltd
Principal media

ABOUT WITHSECURE

WithSecure, formerly F-Secure Business, is a European cyber security partner trusted by businesses and IT service providers worldwide, delivering outcome-based cyber security solutions that help businesses stay ahead of modern cyber threats. Boasting more than 35 years of industry experience, WithSecure has built its award-winning portfolio of Elements Cloud to navigate the paradigm shift from reactive to proactive cyber security and Cloud Protection for Salesforce to protect Salesforce users from malware and phishing threats. Committed to European digital sovereignty, WithSecure prioritizes European Way of data protection, privacy and regulatory compliance, which have become critical differentiators in the global cyber security market. In alignment with its commitment to collaborative growth, WithSecure empowers its customer and partner ecosystem through flexible commercial models, ensuring mutual success across the dynamic cyber security landscape. WithSecure was founded in 1988, and it is listed on the official list of Nasdaq Helsinki.