Share register and changes of address Vaisala’s shares are registered in the Finnish Book-Entry Register maintained by the Euroclear Finland Ltd. Shareholders must notify changes of address to their book-entry securities account operator. Vaisala does not keep a record of the addresses of its shareholders. If the account is maintained at the Euroclear Finland Ltd’s (earlier Finnish Central Securities Depository) account operator, please send the notification to: Euroclear Finland Ltd P.O. Box 1110 00101 Helsinki Finland Customer Account Services, open Monday to Friday 9.00 a.m.–3:45 p.m. EET Visiting address: Urho Kekkosen katu 5 C 00100 Helsinki Finland Phone: +358 20 770 6000 Fax: +358 20 770 6658 Email: [email protected]