Photon Energy Signs O&M Contracts with REDSIDE for 48 MWp PV Assets in the Czech Republic and Hungary

Amsterdam/Prague/Budapest – 23 September 2025 – Photon Energy N.V. (WSE&PSE: PEN, FSX: A1T9KW) (the "Group" or the "Company") announced that its subsidiaries Photon Energy Operations CZ s.r.o. and Photon Energy Operations HU Kft. have signed long-term operation and maintenance (O&M) agreements with REDSIDE, a leading Czech investment management company, for a portfolio of 7 photovoltaic (PV) power plants with a combined capacity of 48 MWp in the Czech Republic and Hungary.

“We are proud that REDSIDE has entrusted us with the long-term management of these high-quality assets. This partnership further strengthens our position as a leading independent O&M service provider in Central Europe and highlights our ongoing commitment to operational excellence. With over 1.1 GWp of assets under O&M management, we continue to support the reliable, efficient, and sustainable operation of renewable energy systems across the region,” said Georg Hotar, CEO of Photon Energy Group.

Under the new contracts, Photon Energy will take over the technical management of the seven PV power plants with a combined installed capacity of 48 MWp, effective 1 November 2025.

In the Czech Republic, the company will provide full-scope O&M services for two ground-mounted installations located in Rožná and Kralice na Hané, with a total capacity of 5.2 MWp. Both facilities operate under feed-in tariff support schemes.

In Hungary, Photon Energy will manage three sites in Csabrendek (2 facilities), Sümeg (2 facilities) and Bárcs (1 facility) with a combined installed capacity of 42,7 MWp. All PV plants generate clean electricity under the KÁT support scheme. 

The contracts have been signed for an indefinite period and cover comprehensive preventive and corrective maintenance, 365 days monitoring and dispatching, reporting, administrative support and other related services.

About Photon Energy Group – photonenergy.com

Photon Energy Group delivers solar energy and clean water solutions around the world. Its solar power services are provided by Photon Energy; since its foundation in 2008, Photon Energy has built and commissioned solar power plants with a combined capacity of over 180 MWp and owns power plants with a combined capacity of 135 MWp. It is currently developing projects with a combined capacity of 870 GWp in Australia, Hungary, Poland, Romania and South Africa and provides operations and maintenance services for over 1.1 GWp worldwide. The New Energy business has electricity trading licenses in Poland, Hungary, the Czech Republic, Slovakia, and Serbia. The Company is one of the largest providers of DSR services to the Polish TSO with a contracted capacity of approx. 320 MW for 2025, and through its Virtual Power Plant (VPP) aggregates energy generators and consumers with a total capacity of over 480 MW. The Group’s other major business line, Photon Water, provides clean water solutions including treatment and remediation services, as well as the development and management of wells and other water resources. Photon Remediation delivers comprehensive environmental remediation solutions, including patented in-situ technology that has been proven to effectively remove PFAS from groundwater and soil. Photon Energy N.V., the holding company for Photon Energy Group, is listed on the Warsaw, Prague and Frankfurt Stock Exchanges, as well as XETRA, Germany’s leading online trading platform. Photon Energy Group is headquartered in Amsterdam, with offices in Australia and across Europe.

About REDSIDE – redsidefunds.com

REDSIDE is a Czech investment management company, licensed and operating since 2013, providing alternative investment solutions for institutional and qualified individual investors. While its activities extend across real estate and private equity, the company’s flagship focus is sustainable energy through the NOVA Green Energy Fund. Its strategy is centered on owning and operating solar power plants that generate stable, predictable income while supporting the region’s decarbonization goals. Today, the fund manages a solar portfolio of more than 20 power plants distributed across the Czech Republic, Slovakia, and Hungary, with a combined installed capacity of over 60 MWp. This geographic diversity enhances resilience by spreading operational and regulatory exposure across multiple jurisdictions. The assets are secured under long-term frameworks, benefiting from guaranteed feed-in tariffs or purchase agreements lasting 15–25 years. These conditions provide investors with stable cash flows, while also contributing to the region’s energy independence and transition toward a low-carbon economy.