Companhia Paranaense De EnergiaBMFBOVESPA: CPLE3

Material Fact 01/26 - COPEL wins capacity reserve auction with two hydro power plants

· Issued by Companhia Paranaense De Energia




MATERIAL FACT | 01/26 COMPANHIA PARANAENSE DE ENERGIA - COPEL

CNPJ 76.483.817/0001-20 - NIRE 41300036535 - CVM Registration no. 1431 B3 (CPLE3) / NYSE (ELPC) / LATIBEX (XCOPO)

COPEL wins capacity reserve auction with two hydro power plants

COPEL ("Company") hereby informs its shareholders and the market in general that it has been successful in the Capacity Reserve Auction in the form of Power, referred to as LRCAP 2026 ("Auction" or "LRCAP"). On this date, the Company was declared the winner for the sale of the Power product, contributing a total of 1,862.8 MW of installed capacity to be contracted for a 15-year term, with fixed gross revenue set at R$ 963.2 million/MW/year for the Foz do Areia Hydro Power Plant ("FDA") and R$ 1,635.4 million/MW/year for the Segredo Hydro Power Plant ("Segredo"). The start of operations is scheduled for August 2030 for both FDA and Segredo.

The table below provides additional information on the projects:

FDA HPP

Segredo HPP

Installed capacity available for LRCAP (MW)1

690.470

1,172.344

Physical guarantee related to expansion (average MW)2

20.6

56.3

Power generation term

15 years

15 years

Estimated start of operation

August 2030

August 2030

Contracted gross price (R$ thousand/MW/year)3

R$ 1,395.00

R$ 1,395.00

Estimated investment (R$ billion - Base Date Mar/26)

R$ 1.3

$3.6

Estimated leverage

70%

70%

Transmission System Usage Fee - TUST (R$/kW/month)4

R$ 5.75 - R$ 6.10

R$ 6.73 - R$ 7.19

¹Total installed capacity adjusted by the Capacity Availability Factor (FDispCap) for the Segredo project, and by the Reference Storage parameter for the Foz do Areia project; 2Energy available for sale in the Free Contracting Environment (ACL); 3Amount to be updated annually based on the variation of the IPCA index, with a base date of September 2025; 4Amount to be updated annually based on the variation of the IPCA and/or IGPM indices, with a base date of June 2025, and calculated over the project's total installed capacity - 860 MW for Foz do Areia and 1,266 MW for Segredo.

The contracted projects represent another step in the execution of the Company's high-value creation strategy with controlled risks, as they strengthen the competitiveness of the portfolio, enhance the system's operational flexibility, create opportunities for organic growth, and increase the value of existing assets.

Curitiba, March 18, 2026

Felipe Gutterres

Vice President of Finance and Investor Relations

For further information, please contact the Investor Relations team: ri@copel.com or (41) 3331-4011



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