ENERGY CO OF PARANA (ELP) Form 6-K — May 15, 2026

Fitch Ratings has reaffirmed its highest possible long-term rating of 'AAA(bra)' for Companhia Paranaense de Energia (Copel) and its wholly-owned subsidiaries. The agency maintained a stable outlook on the corporate ratings. The rating preservation reflects the company's solid business profile, characterized by profitable energy generation, transmission, and distribution assets that help dilute operational and regulatory risks.

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