Companhia Paranaense De EnergiaBMFBOVESPA: CPLE3

Notice to the Market 03/26 - Copel DIS´s billed market remained virtually stable in 4Q25 and increased by 1.0% in the year to date.

· Issued by Companhia Paranaense De Energia
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 DIS´s billed market remained virtually stable in 4Q25 and increased by 1.0% in the year to date.

COPEL ("Company") hereby informs its shareholders and the market in general:

Distribution

Grid Market

The billed grid market, which deducts part of the energy offset by Mini and Micro Distributed Generation (MMGD), decreased by 0.1% in 4Q25. In contrast, electricity consumption in Copel Distribuição's grid market grew 0.3% compared to the same period last year. This result is due to increased residential and commercial consumption, partially offset by a reduction in industrial consumption. For the year as a whole, growth reached 1.0%, mainly reflecting increased economic activity in the concession area.

Numb

er of Custome

rs

Co

nsumed En

ergy (GWh)

dez/25

dez/24

∆%

4Q25

4Q24

∆%

2025

2024 ∆%

Residential

4,417,897

4,300,335

2.7

2,556

2,510

1.8

10,108

9,887 2.2

Industrial*

39,167

68,970

(43.2)

3,245

3,294

(1.5)

12,973

12,790 1.4

Captive

36,610

67,041

(45.4)

272

403

(32.6)

1,252

1,718 (27.1)

Free

2,557

1,929

32.6

2,973

2,891

2.8

11,721

11,071 5.9

Commercial

464,590

448,388

3.6

1,897

1,846

2.8

7,425

7,344 1.1

Captive

460,946

445,899

3.4

1,127

1,195

(5.7)

4,442

4,782 (7.1)

Free

3,644

2,489

46.4

770

651

18.3

2,983

2,562 16.4

Rural

306,468

314,623

(2.6)

676

665

1.7

2,695

2,721 (1.0)

Captive

306,289

314,508

(2.6)

612

605

1.1

2,426

2,507 (3.2)

Free

179

115

55.7

65

60

7.9

269

214 25.7

Others

58,150

56,908

2.2

624

660

(5.4)

2,501

2,566 (2.5)

Captive

57,311

56,539

1.4

449

561

(20.0)

1,838

2,391 (23.1)

Free

839

369

127.4

175

99

-

662

175 -

Total Captive Market

5,279,053

5,184,322

1.8

5,016

5,275

(4.9)

20,066

21,285 (5.7)

Total Free Market

7,219

4,902

47.3

3,984

3,701

7.6

15,636

14,022 11.5

Supply to Concessionaries

7

7

-

254

250

1.5

1,022

1,002 2.0

Total Grid Market

5,286,279

5,189,231

1.9

9,253

9,226

0.3

36,724

36,309 1.1

Micro and Mini Distributed Generation (MMGD)

528,496

411,888

28.3

(984)

(755)

30.4

(3,421)

(2,614) 30.9

Offset Energy from Distributed Generation II and III

365

171

113.5

1,130

385 193.6

Total Billed Grid Market

8,635

8,642

(0.1)

34,433

34,080 1.0

*Considers the effect of reclassifying industrial consumer units to residential and commercial.

The following chart shows the electricity consumed by class in 4Q25:



The following table shows Copel's total energy sales, broken down between Copel DisCo, Copel GenCo, Wind Farms and Copel TradeCo:

Copel's Consolidated Market

Nº of customers / contracts

dez/25 dez/24 ∆%

4Q25

4Q24

Energy sold (GWh)

∆% 2025

2024

∆%

Copel DIS

5,279,471

5,184,588

1.8

6,324

5,890

7.4

24,449

23,176

5.5

Captive Market

5,279,053

5,184,322

1.8

5,016

5,275

(4.9)

20,066

21,285

(5.7)

Concessionaries and Licensees

2

2

-

8

13

(38.5)

35

80

(55.6)

CCEE (Assigments MCSD EN)

416

264

57.6

556

532

4.5

1,694

1,134

49.5

CCEE (MVE)

-

-

-

-

-

-

-

-

-

CCEE (MCP)2

-

-

-

744

70

962.9

2,653

678

291.3

Copel GeT

388

568

(31.7)

3,569

3,761

(5.1)

15,659

16,078

(2.6)

CCEAR (Copel DIS)

3

4

(25.0)

45

33

36.4

161

127

26.6

CCEAR (other concessionaries)

64

119

(46.2)

424

609

(30.4)

2,028

2,345

(13.5)

Bilateral Agreements (Copel Comercialização)

316

441

(28.3)

3,061

3,039

0.7

13,148

13,053

0.7

Bilateral Agreements 1

5

4

25.0

720

35

1,957.1

1,476

167

784.0

CCEE (MCP)2

-

-

-

(681)

45

-

(1,154)

386

-

Wind Farms Complexes

703

624

12.7

1,149

1,238

(7.2)

4,772

4,526

5.4

CCEAR (Copel DIS)

19

19

-

35

32

9.4

135

128

5.5

CCEAR (other concessionaries)

654

580

12.8

688

655

5.0

2,685

2,507

7.1

CER

10

10

-

230

230

-

913

924

(1.2)

Bilateral Agreements (Copel Comercialização)

5

4

25.0

112

137

(18.2)

518

453

14.3

Bilateral Agreements

15

11

36.4

183

164

11.6

660

583

13.2

CCEE (MCP)2

-

-

-

(99)

20

-

(139)

(69)

101.4

Copel Comercialização

1,763

1,698

3.8

7,035

5,095

38.1

27,563

22,478

22.6

Free Customers

1,537

1,529

0.5

2,638

2,583

2.1

9,902

10,565

(6.3)

CCEAR (other concessionaries)

30

-

-

96

-

-

293

-

-

Bilateral Agreements (Group Companies)

15

7

114.3

485

216

124.5

1,993

820

143.0

Bilateral Agreements

181

162

11.7

3,824

2,253

69.7

15,264

10,926

39.7

CCEE (MCP)2

-

-

-

(8)

43

-

111

167

(33.5)

Total Copel

5,282,325

5,187,478

1.8

18,077

15,984

13.1

72,444

66,258

9.3

Eliminations (intra-group operations)

3,738

3,457

8.1

15,954

14,581

9.4

Total Consolidated Copel

14,339

12,527

14.5

56,489

51,677

9.3

Note: Does not consider the energy made available through the MRE (Energy Reallocation Mechanism).

1 Includes Short-Term Sales Contracts and CBR.

2 Negative values mean that there were more purchases than sales.

CCEE: Electric Energy Trading Chamber / CCEAR: Energy Trading Contracts in the Regulated Environment / MCP: Short-Term Market / CER: Reserve Energy Contract / MCSD EN - Compensation Mechanism for New Energy Surpluses and Deficits / MVE - Sale of energy to the free market through the Surplus Sale Mechanism.

Curitiba, February 03, 2025

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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