Apresentação do PowerPoint

Supply and demand

Cemig GT and the national grid

Presenting executive: Marcus Vinícius de Castro Lobato

The Brazilian National Grid

90.000 80.000 70.000 60.000 50.000 40.000 30.000 20.000 10.000 -

Surplus (%) Surplus, MWh Reserve Thermal

Wind / Bio

Hydro

Market

Source: PMO (Monthly Operation Program), May 2014.

Analysis by Cemig based on a GDP growth forecast of 4.8% over the 2014-2018 (1st four-month revision, 2014) period.

Assumes withdrawal of thermal projects that sold energy in new auctions that were not developed.

The Brazilian National Grid

90.000 80.000 70.000 60.000 50.000 40.000 30.000 20.000 10.000 -

Surplus (%) Surplus, MWh Reserve Thermal

Wind / Bio

Hydro

Market

Source: PMO (Monthly Operation Program), May 2015.

Analysis by Cemig, based on a GDP forecast growth of 2.5% over the 2015-2019 (1st four-month revision, 2015) period.

Assumes withdrawal of thermal projects that sold energy in auctions that were not developed.

Cemig GT: Supply/Demand chart presented in 2014 (1)

5,500

Excess production and secondary supply

transacted in spot market in 2013

579

Probable renewals

Figures presented

last year:

at the 19th APIMEC

5,000 4,500

450

702

621

1,693 1,740 2,221

465 751 1,123

2,075

2,185

(May 27, 2014)

4,000 3,500

715

853

1,394 1,653

2,413

2,127

2,882 2,886

2,185 2,193

2,000 1,500 1,000 500 0

1,429

7

1

2,685

2,573

2,252 2,138 1,959

1,731

215 215

1,396 1,385

Available for sales or trading Intermediation of contracts

Regulated Market sales (to distributors) Free Market sales (free consumers, and traders) Operational agreement

(*) Assumes exclusion of the Hydroelectric Plants of which the second concession period expires in coming years. Maintains the Jaguara, São Simão and Miranda plants.

Cemig GT: Supply/Demand chart presented in 2014 (2)

Figures presented last year:

at the 19th APIMEC (May 27, 2014)

5,500 5,000 4,500 4,000 3,500 3,000 2,500 2,000 1,500 1,000

Excess production and secondary supply transacted in spot market in 2013

2,685

2,573

2,252 2,138 1,959

2,127

314

415

1,731

2,185 2,193

778 788

215 215

1,396 1,385

Probable renewals

500 0

1,429

7

1

Available for sales or trading Intermediation of contracts

Regulated Market sales (to distributors) Free Market sales (free consumers, and traders) Operational agreement

(*) Assumes exclusion of the Hydroelectric Plants of which the first or second concession periods expire in coming years.

Cemig GT: Supply/Demand chart for 2015

Available for sales or trading
Intermediation of contracts

Average MW

5.500 5.000 4.500 4.000

382

658

Excess accounted in the spot

market in 2014

82 140

Regulated Market sales
(Distributors)
Free Market sales (Free

3.500 3.000

525

182

663

214

81

638

10

425

153

Consumer, and Traders)
New Free Market Sales
(Free Consumers, and

2.500 2.000

3.552

2.681

2.583

283 302

2.347

425

267

379

225

207

895 1.028

1.412

Traders)
Operational agreement

1.500 1.000

2.235 1.876

25 25

137 87

1.322

237

500 0

579 528

2014 2015

1.230 714

(*) Assumes exclusion of Hydroelectric Plants under first or second concession contacts that expire in the coming years. (**) Takes into account the asset transfer and contracts to Aliança Geração de Energia S.A.

Cemig GT: Supply/Demand

Available for sales or

trading

Intermediation of

Average MW

5.500 5.000 4.500 4.000

Excess accounted in the spot

market in 2014

382

658

82 140

contracts

Sales in regulated market

(Distributors)

Sales in Free Market (Free Consumers, and Traders)

3.500 3.000 2.500 2.000

525

3.552 2.863

663

2.797

81

638

2.630

10

425

2.537

153

425

2.143

379

225

895

25

1.028

25

1.412

Operational agreement

1.500 1.000 500 0

579 528

2014 2015

1.865 1.459

1.317

237

714

(*) Assumes exclusion of Hydroelectric Plants under first or second concession contracts that expire in the coming years. (**) Takes into account the asset transfer and contracts to Aliança Geração de Energia S.A.

Cemig GT: Supply/Demand

Available for sales or

trading

Average MW

5.500 5.000 4.500

382

658

Excess accounted in the spot market in 2014

174

Probable

Intermediation of contracts

Sales in regulated market

(Distributors)

4.000 3.500 3.000

3.552

82 140

525

663

412

81

638

707

425

931

153

425

1.451

379

1.597

1.636 2.125

renewals

Sales in Free Market (Free Consumers, and Traders)

Operational agreement

2.500 2.000 1.500 1.000 500 0

2.863 2.797 2.630

579 528

2014 2015

2.537

2.143

225

895

25

1.028

1.412

(*) Assumes exclusion of Hydroelectric Plants under the first or second concession contracts that expire in the coming years. (**) Takes into account the asset transfer and contracts to Aliança Geração de Energia S.A.

Cemig GT: Supply/Demand

Average MW

5.500

Excess accounted in the spot market in 2014

Available for sales or

trading

5.000 4.500

382

658

1.607 1.707

1.850

1.759

Intermediation of contracts

Sales in regulated market

(Distributors)

Sales in Free Market (Free Consumers, and Traders)

Operational agreement

4.000 3.500 3.000 2.500 2.000 1.500 1.000

3.552

525

2.863

938

698 858

174 412

707

663

638

425

2.797 2.630 2.537

1.922

778

931

425

2.143

698

2.148

1.451

225

1.865

1.053 1.135 1.023

2.664 2.797 3.181

1.597 1.636

2.125

25

25

1.459 1.317 237

Probable renewals

500 0

579 528

2014 2015

714

(*) Assumes exclusion of Hydroelectric Plants under the second concession contract that expires in the coming years. Includes Jaguara, São Simão and

Miranda hydro plants.

(**) Takes into account the asset transfer of assets and contracts to Aliança Geração de Energia S.A.

Investor Relations

Telephone: (55-31) 3506-5024

Fax: (55-31) 3506-5025

Email: ri@cemig.com.br
Website: http://ri.cemig.com.br

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