Fitch keeps Copel (NYSE: ELPC) at AAA(bra) with stable outlook

Rhea-AI Filing Summary

Companhia Paranaense de Energia – Copel reports that Fitch Ratings has reaffirmed its highest long-term national scale rating of “AAA(bra)” for the Company and its wholly owned subsidiaries Copel Geração e Transmissão, Copel Distribuição and Copel Serviços, with the outlook kept stable.

According to the notice, this decision reflects Copel’s solid business profile, supported by important and profitable power generation, transmission and distribution assets that help spread operational and regulatory risks. The Company also highlights that Fitch’s stance aligns with its focus on operational efficiency, disciplined capital allocation and a sustainable strategy.

Key Figures

National scale credit rating: AAA(bra) Rating outlook: stable

2 metrics

National scale credit rating AAA(bra) Fitch long-term rating for Copel and its wholly owned subsidiaries

Rating outlook stable Fitch corporate ratings outlook for Copel

Key Terms

forward-looking statements, long-term rating, AAA (bra), stable outlook, +1 more

5 terms

forward-looking statements regulatory

"This press release may contain forward-looking statements."

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

long-term rating financial

"reaffirmed the highest possible long-term rating on the Fitch scale"

AAA (bra) financial

"reaffirmed the highest possible long-term rating on the Fitch scale 'AAA (bra)'"

stable outlook financial

"At the same time, the future outlook for corporate ratings was kept stable."

A stable outlook is a credit-rating agency’s view that a company’s credit rating is unlikely to change over the medium term, indicating expected steadiness in its financial condition and ability to meet obligations. For investors it matters because a stable outlook signals lower likelihood of sudden changes to borrowing costs, dividend capacity or default risk—like a calm weather forecast, it helps set expectations about near-term risk and return.

capital allocation financial

"reinforces the Company's commitment to operational efficiency and discipline in capital allocation"

Capital allocation is the process of deciding how a company or individual uses their money to grow, pay bills, save, or invest. It matters because good decisions can help build wealth and ensure resources are used wisely, while poor choices can limit growth or cause financial problems. Think of it like managing your allowance—deciding whether to spend, save, or invest to meet your goals.

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FAQ

What rating did Fitch assign to Companhia Paranaense de Energia (ELPC)?

Fitch Ratings reaffirmed Copel’s long-term national scale credit rating at “AAA(bra)”, the highest level on its Brazilian scale. The rating applies to Copel and its wholly owned subsidiaries in generation, transmission, distribution and services, supporting their strong credit profile.

What is the outlook on Copel’s Fitch rating mentioned in the 6-K filing?

Fitch maintained a stable outlook on Copel’s corporate ratings. A stable outlook indicates Fitch currently expects Copel’s credit profile to remain consistent, assuming business conditions and financial policies stay broadly aligned with its existing assessment.

Which Copel subsidiaries are covered by the AAA(bra) Fitch rating?

The AAA(bra) rating covers Copel’s wholly owned subsidiaries: Copel Geração e Transmissão S.A., Copel Distribuição S.A. and Copel Serviços S.A. These entities handle generation, transmission, distribution and related services within the group’s integrated electricity operations.

Why did Fitch reaffirm Copel’s AAA(bra) rating according to the filing?

Fitch’s reaffirmation mainly reflects Copel’s solid business profile, with important and profitable generation, transmission and distribution assets. These assets help dilute operational and regulatory risks, supporting the agency’s view of Copel’s strong and resilient operating fundamentals.

How does Copel describe the strategic significance of Fitch’s AAA(bra) rating?

Copel states that maintaining the top AAA(bra) rating reinforces its commitment to operational efficiency and disciplined capital allocation. The Company links this to its broader sustainable strategy, which emphasizes balanced investment decisions and long-term resilience in its electricity operations.

Does the Copel 6-K include any forward-looking statements language?

Yes. The Company includes a standard forward-looking statements disclaimer, noting that non-historical statements rely on management assumptions and are subject to economic, market, industry and operating risks, which may cause actual results to differ materially from current expectations.

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of May, 2026

Commission File Number 1-14668

COMPANHIA PARANAENSE DE ENERGIA

(Exact name of registrant as specified in its charter)

Energy Company of Paraná

(Translation of Registrant's name into English)

José Izidoro Biazetto, 158
81200-240 Curitiba, Paraná
Federative Republic of Brazil
+55 (41) 3331-4011

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.  Form 20-F ___X___ Form 40-F _______

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. 

Yes _______ No ___X____

NOTICE TO THE MARKET | 10/26 COMPANHIA PARANAENSE DE ENERGIA – COPEL CNPJ/ME 76.483.817/0001-20 – NIRE 41300036535 – CVM Registration no. 1431-1 B3 (CPLE3) / NYSE (ELPC) / LATIBEX (XCOPO) Fitch reaffirms 'AAA(bra)' Rating for Copel and its Subsidiaries COPEL (“Company”) hereby informs its shareholders and the market in general that the risk rating agency Fitch Ratings (“Fitch”) reaffirmed the highest possible long-term rating on the Fitch scale 'AAA (bra)' for Company and its wholly-owned subsidiaries Copel Geração e Transmissão S.A., Copel Distribuição S.A. and Copel Serviços S.A. At the same time, the future outlook for corporate ratings was kept stable. The preservation of the 'AAA (bra)' rating mainly reflects Company's solid business profile, with important and profitable energy generation, transmission and distribution assets that contribute to diluting operational and regulatory risks. Fitch's maintenance of its top rating reinforces the Company's commitment to operational efficiency and discipline in capital allocation, in line with its sustainable strategy. Curitiba, May 15, 2025 Felipe Gutterres Vice President of Finance and Investor Relations For further information, please contact the Investor Relations team: ri@copel.com | +55 (41) 3331-4011

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date May 15, 2026

COMPANHIA PARANAENSE DE ENERGIA – COPEL
By:	/S/  Daniel Pimentel Slaviero
	Daniel Pimentel Slaviero Chief Executive Officer

FORWARD-LOOKING STATEMENTS

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.