Copel (NYSE: ELPC) earns spot in Dow Jones Best-in-Class global ESG index

Rhea-AI Filing Summary

Companhia Paranaense de Energia – Copel reports that it has been included in the Dow Jones Best-in-Class (DJ BIC) Index in the Global segment, recognizing it as one of the top-performing companies in environmental, social and governance (ESG) practices within its sector.

The DJ BIC Index selects approximately the top 10% of companies in each sector based on ESG criteria, following the Corporate Sustainability Assessment conducted annually by S&P Global. Copel’s CEO highlights this as a recognition of the company’s efforts to integrate business sustainability and responsible management into daily operations and long-term strategy.

Key Figures

DJ BIC sector coverage: top 10% of companies CSA invited universe: more than 12,000 companies CSA eligible for index: about 3,500 companies

3 metrics

DJ BIC sector coverage top 10% of companies Companies selected in each sector based on ESG criteria

CSA invited universe more than 12,000 companies Companies invited annually to S&P Global Corporate Sustainability Assessment

CSA eligible for index about 3,500 companies Companies that qualify to be considered for DJ BIC inclusion

Key Terms

Dow Jones Best-in-Class (DJ BIC) Index, environmental, social, and governance (ESG), Corporate Sustainability Assessment (CSA), forward-looking statements

4 terms

Dow Jones Best-in-Class (DJ BIC) Index financial

"it has been included in the Dow Jones Best-in-Class (DJ BIC) Index portfolio"

environmental, social, and governance (ESG) financial

"top-performing companies in ESG practices"

Environmental, social, and governance (ESG) is a way to evaluate how a company manages its impact on the planet, its relationships with people and communities, and the quality of its leadership and rules. Think of it as a three-part scorecard — like checking a car’s emissions, safety, and maintenance — that investors use to judge future risks, costs, and reputational issues that can affect long-term returns.

Corporate Sustainability Assessment (CSA) financial

"participate in the Corporate Sustainability Assessment (CSA), conducted by S&P Global"

A corporate sustainability assessment (CSA) is a structured evaluation of a company’s environmental, social, and governance practices, like a detailed health check or report card that looks beyond financial results. Investors use CSAs to gauge long-term risks and opportunities — for example how a company manages pollution, worker safety, or board oversight — because stronger sustainability practices can reduce surprises, protect reputation, and support more reliable future returns.

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.

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Accepted by SEC EDGAR 05/04/2026 - 09:03 AM Learn about SEC filing dates

FAQ

What did Copel (ELPC) announce in its May 2026 Form 6-K?

Copel announced its inclusion in the Dow Jones Best-in-Class (DJ BIC) Index Global segment. This recognizes the company among leading peers for environmental, social and governance (ESG) practices, reflecting its ongoing efforts to embed sustainability and responsible management into operations and long-term strategy.

What is the Dow Jones Best-in-Class Index mentioned by Copel (ELPC)?

The Dow Jones Best-in-Class (DJ BIC) Index is a sustainability benchmark that gathers roughly the top 10% of companies in each sector for ESG performance. It relies on S&P Global’s Corporate Sustainability Assessment and is widely used by investors who integrate ESG factors into investment decisions.

How are companies selected for the ESG index that includes Copel (ELPC)?

Each year, more than 12,000 companies are invited to S&P Global’s Corporate Sustainability Assessment. About 3,500 qualify for index consideration, and those with the best relative ESG performance in their sectors are chosen for the Dow Jones Best-in-Class portfolio.

Why is Copel’s inclusion in the DJ BIC Index important for investors?

Inclusion signals that Copel ranks among sector leaders in ESG practices, based on a respected global assessment. Many investors use such ESG benchmarks when building portfolios, so this recognition may enhance Copel’s visibility with sustainability-focused capital and stakeholders evaluating non-financial performance.

How does Copel describe its ESG and sustainability efforts in this filing?

Copel’s CEO describes the index inclusion as recognition of consistent work to improve processes and strengthen business sustainability. He emphasizes responsible management, integrating ESG pillars into day-to-day decisions and long-term strategy, and credits employees for putting these commitments into practice across the organization.

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____

 

COMPANHIA PARANAENSE DE ENERGIA - COPEL
CNPJ/ME 76.483.817/0001-20 - NIRE 41300036535 - CVM Registration 1431-1
B3 (CPLE3)
NYSE (ELPC)
LATIBEX (XCOPO)

Copel Consolidates its Position as One of the Top Companies in
ESG Practices - Dow Jones Best in Class Index

COPEL (“the Company”) announces to its shareholders and the market at large that it has been included in the Dow Jones Best-in-Class (DJ BIC) Index portfolio, in the Global segment, ranking among the top-performing companies in ESG practices. The index is internationally recognized as one of the leading benchmarks in corporate sustainability.

The DJ BIC brings together approximately the top 10% of companies in each sector that stand out for their consistent adoption of and high performance in environmental, social, and governance (ESG) criteria, and is widely used by investors who incorporate these factors into their investment decisions and portfolios.

Annually, more than 12,000 companies are invited to participate in the Corporate Sustainability Assessment (CSA), conducted by S&P Global. Of this group, only about 3,500 companies qualify to be considered for inclusion in the index, with those showing the best relative performance in their respective sectors being selected.

“Copel’s inclusion in the Dow Jones Best-in-Class Index is an important recognition of the consistent work the Company has been carrying out and its ongoing effort to improve its processes. This result reinforces our team’s commitment to the pillars of business sustainability and responsible management, integrating them into day-to-day decisions and long-term strategy. It is a source of pride and highlights the fundamental role of our employees, who bring these commitments to life in practice,” states the CEO of Copel, Daniel Slaviero.

Curitiba, May 04, 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

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 4, 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.