HELSINKI – November 01, 2026 -- UPM-Kymmene Corporation's partial demerger was registered with the Finnish Trade Register on October 31, 2026, clearing the way for WISA Group Plc to start trading on Nasdaq Helsinki on November 2 under the code "WISA".

Plywood assets and liabilities move to newly established WISA Group

Under the demerger plan, UPM announced its approval on April 29, 2026. All assets and liabilities that belong to, or mainly serve, the UPM Plywood business area transfer to WISA Group, a company established through the demerger.

Nasdaq Helsinki approves WISA listing under ISIN FI4000603345

Nasdaq Helsinki Ltd approved the application to admit WISA Group's shares to trading on its regulated market. The shares carry the ISIN code FI4000603345.

UPM shares continue to trade on the same market under the code "UPM". Their ISIN changes to FI4000603337.

UPM shareholders receive one WISA share for each UPM share held

Shareholders receive one new WISA Group share per UPM share as demerger consideration. The new shares are to be registered in book-entry accounts on or about November 2, 2026, and can be traded from that date.

UPM's treasury shares receive no consideration. The demerger does not change the number of UPM shares.

Listing rests on a July 2026 prospectus with three supplements

The Finnish-language demerger and listing prospectus is dated July 16, 2026. UPM supplemented it on August 17, September 18 and October 28, 2026.