Disclosure of large shareholding

Oslo, 10 September 2025: Reference is made to the prospectus dated 2 June 2025 prepared in connection with the listing and offering of the shares in Sentia ASA ("Sentia" or the "Company") on Euronext Oslo Børs (the "Prospectus"), which described, inter alia, the planned demerger of Sparhent AS ("Sparhent").

The demerger of Sparhent was completed and registered with the Norwegian Register of Business Enterprises on 9 September 2025. Consequently, all assets, rights and obligations of Sparhent have been transferred in accordance with the demerger plan dated 16 May 2025. Sparhent will be liquidated and subsequently deleted from the Norwegian Register of Business Enterprises.

Prior to completion, Sparhent held 11,707,985 shares in the Company, representing approximately 11.7% of the total outstanding shares and voting rights in the Company. Following the completion of the demerger, personal shareholders have received their shares in the Company through holding companies established as part of the demerger (or through their existing holding companies), while certain corporate shareholders will receive their shares in connection with the subsequent liquidation of Sparhent.

Following completion of the demerger, Sparhent currently holds 2,328,528 shares and voting rights in the Company, representing approximately 2.3% of the total outstanding shares and voting rights. The remaining 2,328,528 shares will be distributed in connection with the subsequent liquidation of Sparhent. Upon completion of the liquidation, Sparhent will no longer hold any shares or voting rights in the Company.

All shareholders of Sparhent entered into lock-up undertakings in respect of the shares received in the Company as part of the demerger, as further described in the Prospectus.

This disclosure is made pursuant to Sections 4-2 and 5-12 of the Norwegian Securities Trading Act and Euronext Oslo Rule Book II.

Contact

For more information, please contact:

Sverre Hærem | EVP & CFO Sentia ASA | +47 952 45 167 | [email protected]

About Us

Sentia is a Nordic construction group with a leading position in chosen markets. Sentia builds primarily large, complex projects for both public and private clients. The majority of the projects are conducted through partnering and collaboration. Sentia comprises HENT in Norway, Vestia, and SSEA in Sweden. The Group employs 1,400 employees, and its revenue in 2024 was 10.6 billion NOK. Sentia was listed on the Oslo Stock Exchange 13 June 2025 with the ticker SNTIA.