Investor Presentaiton

Heatcube Levelized Cost of Storage (LCOS) roadmap Strenghtening ambition - Kyoto targets 2025 LCOS <15 EUR/MWh LCOS (EUR/MWh) = Sum storage costs over lifetime (EUR) Sum produced heat over lifetime (MWh) The Levelized Cost of Storage (LCOS) reflects the total cost of the storage technologies on a per output unit basis 。 Heat storage comparisons for LCOS indicates a very competitive edge for the Heatcube technology 。 Original target for 2025 was LCOS < 20 EUR / MWh 。 Updated analyses indicate that we currently are slightly north of 20 EUR/MWh 。 We continue to chase for improvements and strengthen our target to 2025 LCOS <15 EUR/MWh KYOTO

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