Correction to managers' transactions – Arun Aggarwal

FORTUM CORPORATION STOCK EXCHANGE RELEASE 20 AUGUST 2021 AT 12.05 EEST

The release of 19 August 2021 at 16:00 EEST on Arun Aggarwal’s transaction had an unnecessary aggregated transaction row at the end of the release. Correct aggregated transaction volume is 100 at a volume weighted average price of 25.0827 EUR.

Corrected release below.

Fortum Corporation: Managers' transactions – Arun Aggarwal

Person subject to the notification requirement

Name: Aggarwal, Arun

Position: Other senior manager

Issuer: Fortum Corporation

LEI: 635400IUIZZIUJSAMF76

Notification type: INITIAL NOTIFICATION

Reference number: 635400IUIZZIUJSAMF76_20210818221835_125

Transaction date: 2021-08-18

Venue: XHEL

Instrument type: SHARE

ISIN: FI0009007132

Nature of the transaction: ACQUISITION

Transaction details

(1): Volume: 100 Unit price: 25.0827 EUR

Aggregated transactions

(1): Volume: 100 Volume weighted average price: 25.0827 EUR

Fortum Corporation

Further information:

Ingela Ulfves, Vice President, Investor Relations and Financial Communications, tel. +358 40 5151 531

Distribution:

Nasdaq Helsinki

Main media

www.fortum.com

Fortum

Fortum is a European energy company with activities in more than 40 countries. We provide our customers with electricity, gas, heating and cooling as well as smart solutions to improve resource efficiency. Together with our subsidiary Uniper, we are the third largest producer of CO2-free electricity in Europe. Close to 20,000 professionals and a combined balance sheet of approximately EUR 60 billion, we have the scale, competence and resources to grow and to drive the energy transition forward. Fortum's share is listed on Nasdaq Helsinki and Uniper's share on the Frankfurt Stock Exchange. www.fortum.com