Reference is made to the stock exchange announcement on 4 November 2025 by Airthings ASA ("Airthings") regarding an unconditional mandatory cash offer by Firda AS to acquire all outstanding shares in Airthings not already owned by the Offeror.
Anlaug Underdal, deputy employee elected board member, has sold 56,000 shares of Airthings at a price of NOK 0.10 per share to Firda AS. Underdal has 0 shares in Airthings after the transaction. Underdal accepted the offer from Firda on 25 November 2025.