Fortum Oyj

Transaction in Own Shares • Dec 17, 2018

Cancellation of Fortum's treasury shares

FORTUM CORPORATION STOCK EXCHANGE RELEASE 17 DECEMBER 2018 18.50 EET

Fortum's Board of Directors has today decided to cancel all 72,580 Fortum shares currently owned by the company without decreasing the share capital. The cancellation will be entered in the Trade Register on or around 21 December 2018. After the cancellation of the shares has been registered in the Trade Register, the total number of shares of Fortum Corporation will be 888,294,465.

Fortum Corporation

Ingela Ulfves Vice President, Investor Relations and Financial Communications

Further information:

Ingela Ulfves, Vice President, Investor Relations and Financial Communications, tel. +358 40 5151 531 Måns Holmberg, IR Manager, tel. +358 44 518 1518 Rauno Tiihonen, IR Manager, tel. +358 10 453 6150

Distribution:

Nasdaq Helsinki Key media www.fortum.com

Fortum

Fortum is a leading clean-energy company that provides its customers with electricity, heating and cooling as well as smart solutions to improve resource efficiency. We want to engage our customers and society to join the change for a cleaner world. We employ some 9,000 professionals in the Nordic and Baltic countries, Russia, Poland and India. In 2017, our sales were EUR 4.5 billion and 61% of our electricity generation was CO2 free. Fortum's share is listed on Nasdaq Helsinki. www.fortum.com