PERFORMANCE TECHNOLOGIES S.A. announces, in accordance with Regulation (EU) No. 596/2014 of the European Parliament and of the Council on market abuse, for the information of the investing public, that Mr. Andreas Tsangaris, Executive Vice-Chairman of the Board of Directors and Chief Technology Officer of the Company, pursuant to his notification to the Company dated 12/18/2025, proceeded on 12/17/2025 with the sale of 50,000 common registered shares of the Company, with a total value of 410,000.00 euros and an average price of 8.20 euros per share, for his own account.