The safety of Fortum's Loviisa nuclear power plant is enhanced with new air cooling towers

PRESS RELEASE 17 April 2013

During 2014, a new air cooling system, independent of seawater cooling, will be
constructed for Fortum's Loviisa nuclear power plant. The system will improve
the plant's preparedness for extreme conditions when seawater for some reason
becomes unavailable for its normal cooling function.

The cooling system consists of two air cooling towers per unit, one of which
will be used for removing decay heat from the reactor, the other from the spent
fuel pools as well as cooling off other equipment critical from the nuclear
safety point of view. The towers will be located in square buildings, each
measuring 10 x 15 meters and about 10 meters in height. The towers used for
decay heat removal from the reactors will be located in the same building.

The cooling towers will improve safety at Loviisa NPP in extreme conditions
when seawater becomes unavailable for cooling, such as an oil catastrophe in
the Gulf of Finland, or an exceptional natural phenomenon such as excessive
algae growth. The plant is already equipped with back-up systems for loss of
seawater, but the new air cooling towers will reinforce its safety even
further.

Fortum has studied and developed this new cooling system independent of
seawater for several years. The project will be carried out as a part of
Loviisa's annual investment program. The air cooling towers also became a
development target in the safety assessments carried out by the Finnish
Radiation Safety Authority STUK in 2012 as a part of the so-called stress tests
within the European Union.

The air cooling towers will be delivered by the Hungarian GEA EGI
Contracting/Engineering Co. Ltd.

Fortum Corporation
Corporate Communications


For further information, please contact:
Samuli Savolainen, puh. 050 455 4020, samuli.savolainen@fortum.com


Fortum's Loviisa nuclear power plant

In 2012, Fortum's Loviisa nuclear power plant produced 7.61 terawatt hours of
electricity, corresponding to about 10 percent of the total annual power
consumption in Finland. Loviisa Power Plant has one of the best safety and
availability records among the world's nuclear power plants. The load factor
describing annual production is high in international comparison, e.g. 87.4
percent last year.

Further information: www.fortum.com/loviisa


Fortum

Fortum's purpose is to create energy that improves life for present and future
generations. We provide sustainable solutions that fulfil the needs for low
emissions, resource efficiency and energy security, and deliver excellent value
to our shareholders. Our activities cover the generation, distribution and
sales of electricity and heat as well as related expert services.

Fortum's operations focus on the Nordic countries, Russia, Poland and the
Baltics. In the future, the integrating European and fast-growing Asian energy
markets provide additional growth opportunities. In 2012, Fortum’s sales
totalled EUR 6.2 billion and comparable operating profit was EUR 1.7 billion.
We employ approximately 10,400 people. Fortum’s shares are quoted on NASDAQ OMX
Helsinki.

Further information: www.fortum.com/fi.