Mandatory notification of trade primary insiders - Baltic Sea Properties AS

Oslo, 18th March 2026. Auris AS (Buyer) - a company associated with Henrik
Austgulen, board member and primary insider in Baltic Sea Properties AS (BALT) -
has acquired shares in the company:

| 16/03/2026 | 59,139 shares | NOK 48.99 per share | NOK 2,897,219.61 total |
| 16/03/2026 | 1,095 shares | NOK 48.80 per share | NOK 53,436.00 total |
| 17/03/2026 | 1,095 shares | NOK 49.00 per share | NOK 53,655.00 total |
| 18/03/2026 | 10,000 shares | NOK 49.00 per share | NOK 490,000.00 total |
| 18/03/2026 | 1,800 shares | NOK 48.80 per share | NOK 87,840.00 total |
| 18/03/2026 | 1,000 shares | NOK 48.80 per share | NOK 48,800.00 total |
| 18/03/2026 | 10,000 shares | NOK 49.00 per share | NOK 490,000.00 total |

Auris AS owns upon completion of the transaction, 446,513 shares, equal to 5.13
%, in Baltic Sea Properties AS.

For more information, please contact:
Lars Christian Berger
CEO
Phone: +47 930 94 319
Lcb@balticsea.no

The information in this announcement is subject to disclosure requirements under
the EU Market Abuse Regulation and Euronext Growth listing rules.