Companhia Paranaense de Energia COPEL : BlackRock reduces its participation in Copel to 4.961% of the Preferred shares - Form 6-K

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 April, 2024

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
[phone]

(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
Corporate Taxpayer ID (CNPJ/ME) 76.483.817/0001-20 -

Company Registry (NIRE) 41300036535 - CVM Registration 1431-1

B3 (CPLE3, CPLE5, CPLE6)

NYSE (ELP, ELPC)

LATIBEX (XCOP, XCOPO)

BlackRock reduces its participation in Copel to 4.961% of the Preferred shares

COPEL ("Company"), a company that generates, transmits, distributes and trade energy, in compliance with CVM Resolution n. 44/2021, amended by CVM Resolution n. 60/2022, communicates to its shareholders and the market in general, which it received from BlackRock, Inc. ("BlackRock"), through portfolios managed by BlackRock, the information that it reduced its participation to 77,147,556preferred shares class B and 1,541,859 American Depositary Receipts ("ADRs"), representing 6,167,436 preferred shares class B issued by the Company, totalizing 83,314,992 preferred shares class B issued by the Company, representing 4.961% of the total preferred shares issued by the Company, as shown below.

BlackRock also stated that has not entered into any contracts or agreements that regulate the exercise of voting rights or the purchase and sale of securities issued by the Company

Curitiba, April 02, 2024.

Adriano Rudek de Moura

Chief Financial and Investor Relations Officer

For further information, please contact the Investor Relations team:

[e-mail] or [phone]

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 April 2, 2024

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.