Edisun Power Europe AG (SIX: ESUN; “Edisun”), a company listed on the SIX Swiss Exchange, announced on 24 August 2026, that it had entered into a binding agreement with SMARTENERGY Group AG (“Smartenergy”) regarding the acquisition of Smartenergy’s business operations. The agreed purchase price amounts to approximately CHF 440 million. In connection with the transaction, a capital increase will be carried out, as part of which Smartenergy will acquire a majority stake in Edisun. To facilitate the transaction, Edisun’s shareholders approved the introduction of a statutory opt-out provision at the annual general meeting held on 29 May 2026. In its decision dated 18 May 2026, the Swiss Takeover Board confirmed the validity of this opt-out provision. The capital increase is expected to be implemented in the coming days, with SIX Swiss Exchange AG having approved a deferral of the listing of the newly issued registered shares for up to six months. Bär & Karrer is acting as legal counsel for the capital markets and competition law aspects of the transaction. The team consists of Dieter Dubs, Urs Kägi, Matthias Tanner, Linus Zweifel, and Marie-Cristine Kaptan (all Corporate/M&A and Capital Markets) as well as Mani Reinert and Martin Werner (both Competition). For further information please contact: Media Relations, Eric Stupp Tel: +41 58 261 50 00 Email: [email protected] Bär & Karrer is a leading Swiss law firm with more than 200 lawyers, providing customized legal advice in complex transactions and litigation. Clients range from multinational corporations to private individuals in Switzerland and abroad. Bär & Karrer is present with offices in all main language regions in Switzerland and operates globally via an international network of leading law firms. For further information please visit baerkarrer.ch. Bär & Karrer AG Rechtsanwälte baerkarrer.ch Zürich Brandschenkestrasse 90 CH-8002 Zürich Phone: +41 58 261 50 00 [email protected] Genf 12, quai de la Poste CH-1211 Genève 3 Phone: +41 58 261 57 00 [email protected] Lugano Via Vegezzi 6 CH-6901 Lugano Phone: +41 58 261 58 00 [email protected] Zug Baarerstrasse 8 CH-6302 Zug Phone: +41 58 261 59 00 [email protected] Basel Lange Gasse 4