Reference is made to the stock exchange announcement on 4 November 2025 by
Airthings ASA ("Airthings") regarding an unconditional mandatory cash offer (the
"Offer") by Firda AS (the "Offeror") to acquire all outstanding shares (the
"Shares") in Airthings not already owned by the Offeror. 

The Offeror has on 12 November 2025 received acceptance of 85,857 shares of
Airthings at a price of NOK 0.10 per share. Following settlement of the Offer,
the Offeror will hold 416,656,041 shares, representing approximately 41.69% of
the outstanding shares and votes in Airthings. 

A PDMR notice is attached to this announcement.