Ad hoc announcement pursuant to Art. 53 LR

Zurich, October 10^th 2025

Edisun Power bond issue attracts strong interest with over CHF 16 million raised

The CHF 10 million bond issue, with a five-year term (October 3, 2025 – October 2, 2030), was launched on September 1, 2025, with an option to increase the amount. Offering a 3.5% interest rate, the bond attracted significant interest and was substantially oversubscribed, reaching a total of CHF 16.2 million.

The Board of Directors decided to exercise the option outlined in the issue prospectus to increase the bond size by CHF 6.2 million accordingly. The proceeds will be used to finance the continued development of renewable energy projects for data centers, including the large-scale 'Fuencarral to AI' project, as well as for refinancing purposes.

Edisun Power Group

As a listed European solar power producer, the Edisun Power Group finances and operates solar power plants in various European countries. Edisun Power began its involvement in this field back in 1997. The company has been listed on the Swiss stock exchange since September 2008. Edisun Power has extensive experience in the implementation and acquisition of both national and international projects. The company currently owns 34 solar power plants in Switzerland, Germany, Spain, France, Italy, and Portugal. With a portfolio of projects totaling around 1 GW, the company is poised for significant growth, particularly through its “Renewables to AI” strategy.