Fortum will publish its January–June 2026 Half-year Financial Report on 21 July 2026

FORTUM CORPORATION INVESTOR NEWS 17 JUNE 2026 AT 14:00 EEST

Fortum's January−June 2026 Half-year Financial Report will be published on 21 July 2026 at approximately 9:00 EEST.

A combined live webcast/teleconference for investors, analysts and media will be arranged online on the same day at 11:00 EEST. For the webcast, use the link atwww.fortum.com/investors www.fortum.com/investors - External link.

To ask questions, please join the teleconference by registering using the following link:https://events.inderes.com/fortum/q2-2026/dial-in https://events.inderes.com/fortum/q2-2026/dial-in - External link. After the registration you will be provided with phone numbers and a conference ID to access the conference. To ask a question, please press *5 on your telephone keypad to enter the queue.

A recording of the webcast, as well as the transcript will be published onwww.fortum.com/investors www.fortum.com/investors - External link after the event.

Fortum Corporation

Ingela Ulfves
Vice President, Investor Relations and Financial Communications