SSG ASA – Mandatory notification of trade by primary insiders

Oslo, 27 October 2023 - Reference is made to the stock exchange announcement made on 20 September 2023 by Self Storage Group ASA (the "Company", OSE: SSG) where the Company jointly announced with T-C Storage HoldCo AB (the "Offeror") an agreement for the Offeror to launch a voluntary cash offer to acquire all of the issued and outstanding shares in the Company (the "Shares") for NOK 40 per Share (the "Offer"), and the announcement on 11 October 2023 regarding commencement of the offer period for the Offer.

The following primary insiders with related parties of the Company have accepted the Offer for all their shares in the Company, as further specified below:

• Lars Moen (CPMO): 27,799 shares
• Petter Løyning (CMO): 2,000 shares
• Duo Jag AS (related party to Ingrid Elvira Leisner, Board member): 10,390 shares

Required notifications are attached to this stock exchange announcement.

For further information please contact:

Cecilie Brænd Hekneby, CFO

Phone: +47 992 93 826

Email: cehe@selfstoragegroup.no

This information is subject to the disclosure requirements in Regulation EU 596/2014 (MAR) article 19 number 3 and section 5-12 of the Norwegian Securities Trading Act.