Mainstream Renewable Power sells 675 MW Colombian portfolio to Celsia

22 Apr 2025 12:34 CEST

Mainstream Renewable Power ("Mainstream"), the pureplay global wind and solar
company majority-owned by Aker Horizons ASA, announced that it has sold its 675
MW portfolio of wind and solar assets under development in Colombia to Celsia, a
local energy company, part of the Argos Group. The divestment marks Mainstream's
exit from the Colombian market.

The assets, which Mainstream has been developing since 2019, comprise three
solar projects and two wind projects; the 100 MW Andromeda solar farm, the 175
MW Aries solar farm, the 100 MW Pollux solar farm as well as the 150 MW Neptuno
and 150 MW Sirius wind farms.

The transaction aligns with the company's updated and more focused strategy,
concentrating on developing its pipeline of projects primarily in three core
markets where it sees the greatest potential for value creation - South Africa,
Australia, and the Philippines - and creating value through strong project
execution, a lean cost base and capital efficiency, including capital recycling.

Ends.

For further information, please contact:

Jonas Gamre, Investor Relations, tel: +47 97 11 82 92,

email: jonas.gamre@akerhorizons.com

Mats Ektvedt, Media, tel: +47 41 42 33 28,

email: mats.ektvedt@corporatecommunications.no

About Aker Horizons

Aker Horizons develops green energy and green industry to accelerate the
transition to Net Zero. The company is active in renewable energy, carbon
capture and sustainable industrial assets. As part of the Aker group, Aker
Horizons applies industrial, technological and capital markets expertise with a
planet-positive purpose to drive decarbonization globally. Aker Horizons is
listed on the Oslo Stock Exchange and headquartered in Fornebu, Norway. Across
its portfolio, the company is present on five continents. www.akerhorizons.com

About Mainstream Renewable Power

Mainstream Renewable Power is a leading pure-play renewable energy company with
wind and solar assets across Europe, Latin America, Africa, and Asia-Pacific.
Mainstream is one of the most successful developers of gigawatt-scale renewables
platforms, across onshore wind, offshore wind, and solar power generation. The
company has successfully delivered 6.6 GW of wind and solar generation assets to
financial close-ready and has a global project portfolio of 22.7
GW. www.mainstreamrp.com

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