Companhia Paranaense de Energia COPEL : Notice to the Market 22/23 - Greenshoe Option of the Public Offering of Distribution of Shares

NOTICE TO THE MARKET | 22/23

COMPANHIA PARANAENSE DE ENERGIA - COPEL

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

41300036535 - CVM Registration

B3 (CPLE3, CPLE5, CPLE6, CPLE11)

NYSE (ELP)

LATIBEX (XCOP, XCOPO, XCOPU)

Greenshoe Option of the Public Offering of Distribution of Shares

COPEL ("Company"), a company that generates, transmits, distributes and trades energy, in compliance with the provisions of article 157, paragraph 4, of Law No. 6,404, of December 15, 1976, as amended ("Law of S.A."), and in the Securities Commission ("CVM") Resolution no. 44, of August 23, 2021, informs its shareholders and the market in general, in continuity with Material Facts no. 06/22, 07/22, 10/22, 07/23, 08/23, 12/23, 13/23, 14/23 and 15/23 and Notices to the Market no. 01/23, 09/23 and 16/23, the exercise of 72,821,650 (seventy-two million, eight hundred and twenty-one thousand, six hundred and fifty) Shares of the supplementary lot ("greenshoe"), of which 16,370,841 (sixteen million, three hundred and seventy thousand, eight hundred and forty-one) primary shares issued by the Company and 56,450,809 (fifty-six million, four hundred and fifty thousand, eight hundred and nine) secondary shares sold by the Selling Shareholder, due to the partial execution, by the Stabilizing Agent, of the option granted to it by the Company and by the Selling Shareholder , pursuant to article 51 of CVM Resolution 160.

Thus, the total public offer for distribution, consisting of a base and supplementary offer, of which (i) primary of 246,256,841 (two hundred and forty-six million, two hundred and fifty-six thousand, eight hundred and forty-one) common shares issued by the Company ("Shares"); and (ii) secondary of 375,735,809 (three hundred and seventy- five million, seven hundred and thirty-five thousand, eight hundred and nine) Shares owned by the State of Paraná ("Selling Shareholder" and "Offer", respectively), had the price per share of BRL 8.25 (eight reais and twenty and five cents), making a total amount of BRL 5,131,439,362.50 (five billion, one hundred and thirty-one million, four hundred and thirty-nine thousand, three hundred and sixty-two reais).

The Offering was carried out in Brazil in a cooperative manner, in the capacity of financial institutions, of Banco BTG Pactual S.A., Banco Itaú BBA S.A. ("Agente Stabilizador"), Banco Bradesco BBI S.A., Banco Morgan Stanley S.A. and UBS Brasil Corretora de Câmbio, Títulos e Valores Mobiliários S.A. Simultaneously, within the scope of the Offer, efforts were made to place the Shares abroad by BTG Pactual US Capital, LLC, by Itau BBA USA Securities, Inc., by Bradesco Securities, Inc., by Morgan Stanley & Co. LLC and UBS Securities LLC.

Curitiba, September 06, 2023.

Adriano Rudek de Moura

Chief Financial and Investor Relations Officer

For further information, please contact the Investor Relations team:

[e-mail] or [phone]