Brasil Energia Institutional Presentation

2Q21 August 2021

05/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

This publication may include forward-looking statements on events or The information and opinions contained herein should not be results pursuant to Brazilian and international securities’ regulations. understood as a recommendation to potential investors and no These forward-looking statements are based on certain assumptions and investment decision should be based on the veracity, topicality or analyzes made by ENGIE Brasil Energia S.A. (“ENGIE Brasil Energia” or completeness of this information or these opinions. None of the “Company”), - previously denominated Tractebel Energia S.A. -, in advisors to ENGIE Brasil Energia or the parties related thereto or accordance with its experience and the economic scenario, market their representatives shall accept responsibility for any losses, conditions and expected events, many of which are outside the control of which may occur as a result of the use or the content in this ENGIE Brasil Energia. Important factors which can lead to significant presentation. differences between effective results and the forward-looking statements This material includes forward-looking statements as to events with respect to events or results, include the business strategy of ENGIE subject to risks and uncertainties, which based on existing Brasil Energia, economic and international conditions, technology, expectations and forecasts on future events and tendencies, may financial strategy, development of the government services industry, affect the businesses of ENGIE Brasil Energia. These forward- hydrological conditions, conditions in the financial markets, uncertainty looking statements include forecasts of economic growth and surrounding the results of its future operations, plans, objectives, energy supply and demand as well as information on competitive expectations and intentions and other factors. In the light of these factors, position, the regulatory environment, growth potential opportunities the effective results of ENGIE Brasil Energia may differ significantly from and other matters. Innumerous factors can affect adversely the those indicated or implicit in the forward-looking statements with respect estimates and assumptions on which these statements are based. to events or results.

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

1. Highlights 5. Expansion

Shareholding Structure Financial 2. and Business Segments 6. Performance

Energy Market in Supporting 3. 7. Data

Sales and Energy Trading 4. Strategy

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Highlights

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Adjusted Ebitda1 Adjusted Ebitda vs 2Q20: (R$ million) +23.2% • Transmission: + R$ 138 million Main drivers during the quarter • Energy purchases: + R$ 129 million 3,218 Positive: +19.7% 2,612 • Average sales price: + R$ 77 million • Greater generation from wind sources: + 20% • Concession assets: + R$ 67 million • Reduction in PPAs for potfolio management 1,532 1,280 • TAG: + R$ 57 million • Contribution of energy transmission segment • Average energy sales price: +4.9% • Short term/CCEE: - R$ 59 million • Pampa Sul greater availability • Fuel: - R$ 56 million 2Q20 2Q21 6M20 6M21

Negative: Net Income • Impact of monetary restatement (IGPM and IPCA) on (R$ million) Net income vs 2Q20: • concessions payable and on debts -33.6% Adjusted Ebitda: + R$ 252 million • CCEE Result 1,278 • • Higher fuel consumption -58.4% • Impact of the increase in inflation rates on monetary 848 766 restatement : Non-recurrings: • Debt: - R$ 231 million • 2Q21 impairment: - R$ 163 million 319 • Concessions payable: - R$ 223 million • Gain in lawsuit in 2Q20: ICMS • IGP-M: - R$ 181 million • Extemporaneous tax credits in 2Q20 (TAG). 2Q20 2Q21 6M20 6M21

Note: 1 Adjusted Ebitda: net income + income tax and social contribution + financial result + depreciation and amortization + impairment + non-recurring. 5 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

The Company remains ENGIE launched a Modulation committed to social initiatives Swap for Generators, a product in support of the communities which provides the security of a through outreach programs for hedge against hourly price income creation and the variations by switching its curve donation of inputs for healthcare with a generation profile for a flat establishments tackling the curve. Covid-19 pandemic.

WEG and ENGIE Brasil Energia The Campo Largo II Wind concluded the implementation of Complex amounted 68.6% of the first Brazilian large-sized the total estimated installed wind turbine, with 4.2 MW of capacity, adding 168 MW to the installed capacity, integrating the Company’s generating complex photovoltaic plant in Tubarão, in 2Q21. State.

6 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Law 14.182/21 was approved extending reimbursement for ENGIE reported, on July 22, GSF hydrological losses (i) for an all-time record for wind plants which renegotiated the generation (five minutes hydrological risk, prior to 2015 average), with a total of and (ii) for the large, strategic 1,105.19 MW, equivalent to a hydroelectric plants. ENGIE is capacity factor of 89.2%. expected booking the effects in the upcoming quarter.

As a result of the accident on July 16 With progress in negotiations at the Novo Estado works, the with FRAM Capital, the Company is demanding the Company expects to sign the inspection and testing of 100% of the contract for the sale of the foundations of its transmission Jorge Lacerda Thermoelectric towers to ensure the best safety Complex, by the end of practices and prevent risks of August 2021, with conditions accidents in the future. precedent still to be met.

7 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

In order to promote the replacement of thermal capacity, Approved the distribution of was installed a Special R$ 789,5 million as Independent Committee for intermediate dividends Transactions with Related (R$ 0.9676/share). Shares will Parties to evaluate the potential become ex-dividend as from acquisition of the Paracatu 08/17/2021 and will be paid on and Floresta Photovoltaic a date to be determined later Complexes, with total installed by the Management Board. capacity of 259.8 MWp.

8 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Shareholding Structure and Business Segments

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

ENGIE S.A.

99.12%

Energy International

100.00%

Brasil Participações Ltda.

100.00% 40.00% 68.71% 100.00% Geramamoré EGIEY Part. e Comerc. de ADR ENGIE Energia Jirau Energia Brasil Energia NÍVEL I S.A. Soluções

100.00% 48.75% 100.00% 100.00% 100.00% 100.00% 100.00% 99.99% 100.00% 32.50% 99.99%

Companhia Companhia Companhia ENGIE ITASA Lages Energética Pampa Sul Energética Energética Transmissão Itá Energética Bioenergética Brasil Energia Geração Solar Estreito S.A. Jaguara Brasil Energias Miranda de Energia II Complementares Comercializadora Distribuída

40.07% 100.00% 100.00% 95.00% 100.00% 100.00% 100.00% 100.00% 100.00% 99.90% 100.00% 81.44%2 CESTE Gralha Azul Novo Estado Consórcio Ibitiúva Energias Energias Transmissão Tupan Hidropower Assú V Umburanas Transmissora Estreito Eólicas do Ferrari Eólicas do Campo Largo de Energia Bioenergética de Energia Energia Nordeste Ceará S.A.

Notes: 1 Simplified chart for illustrative purpose only. 2 Considering the indirect stake of ENGIE Brasil Energia, through Novo Estado Participações S.A. 10 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Key Hydro Thermal GENERATION Complementary 68 power plants operated Expansion with own installed capacity of Transmission TAG 8,958.3 MW (as from 06/30/2021)

DISTRIBUTED SOLAR TRANSMISSION GENERATION 1 ~2,800 Km of Total of 2,626 transmission lines installed systems, with under implementation 61.6 MWp of capacity (as from 06/30/2021)

NATURAL GAS 72% (TAG) Hydro TRADING 4,500 Km de pipelines 13% in the Southeast, Northeast 1,433 GWh in 2Q21, Thermal 13.9% of the total. Note: and North regions. 1 The transfer of the 40% stake of 15% ENGIE Brasil Part. in Jirau HPP • Stake of 32.5% to the Company should be Complementary examined timely.

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Relevance among power producers

The Company is part of the largest independent power producer group in the country and is positioned to capture business opportunities.

Energy Generation | Proprietary Operating Installed Capacity (MW) Brasil – Existing Installed Capacity2,3

8,958 Neoenergia 8,711 CPFL 8,711 2.4% 2.6% AES 8,005 2.1% 7,678 CTG Enel 3.2% 6,908 6,909 6,965 7,027 7,044 7,010 3.4% 6,431 6,472 6,094 6,188 5,890 5,918 3.5% Other 4,846 5,036 3.8% 38.5% 3,719 3,719 3.8% Itaipu 4.2%

1998 1999 2000 2001 2002 2003- 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 ENGIE4 2006 6.3% Private Sector – Own Installed Capacity1 (GW) 11.0 Current installed capacity 26.2% 5 2.0 Installed capacity under expansion Source: Aneel, Companies’ websites and in-house studies. Notes: 5.8 1 Apparent sum-related errors are a result from rounding. 5.4 4.4 5.3 5.2 2 Amount corresponding to National Interlinked System (SIN), considering the 9.0 1.2 3.8 Operation Monthly Program (PMO) as of January 2021. 0.1 1.7 2.7 2.8 3 5.8 0.9 Includes only the Brazilian part of Itaipu. 5.4 4.3 4.1 0.4 0.6 4 Considering the consolidated installed capacity of the group in Brazil, including 3.5 2.9 2.3 2.2 HPP Jirau. 5 Based on information from Aneel, ONS and internal study. 6 ENGIE CTG Enel CPFL Neoenergia AES EDP Votorantim Eneva 6 Critéria change: CESP was removed from Votorantim’s base.

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Transportadora Associada de Gás (TAG) RR AP

Stake in TAG strengthens the position as a relevant player in the Brazilian Solimões AM Basin energy infrastructure PA MA CE RN PB PI PE AC TO AL Characteristics RO SE MT BA

GO Recôncavo • ~4,500 km of high-pressure gas pipelines: Basin MG ES 3,700 km on the coast MS 800 km in the Amazon region SP RJ Espírito Santo PR Basin • Contracted firm capacity for transporting more SC Campos Basin than 70 million m3/day, without construction Shareholding Structure RS Santos and volume risk (ship or pay contracts). Basin

• 11 compression stations.

ENGIE Brasil • Network with various interconnection points: ENGIE S.A. Energia - 10 gas distributors 32.5% 32.5% 35.0% - 90 delivery points - refineries, fertilizer and power production plants supplied - 13 active gas entry points (including 2 LNG terminals)

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Expanding its share in the electric power industry

Continuous efforts to expand presence in the transmission segment.

Transmission Segment – Main numbers Brazil Auctions 2013-2021 – Market Share (%RAP)2

Other 27% • Gralha Azul: State Grid 14% Contracted RAP of 231.7 MM¹ and commercial operations start- Elektro 1% up expected to occur gradually as of August 2021. Energisa 2% Copel 2% Neoenergia • Novo Estado Transmissora de Energia: Sterlite 6% 3% Contracted RAP of 313.1 MM¹ and Commercial Operation Date ABENGOA Equatorial (COD) under evaluation. In the moment, COD remains expected 5% 6% EDP to occur gradually as from December 2021. 4% CYMI ENGIE 6% 4% ALUPAR Eletrobras 4% CTEEP TAESA 7% 4% 4% Notes: 1 Value as of August 2017. 2 Considering the winners in the auctions and the acquisition of Novo Estado Transmissora de Energia.

14 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Greater proximity to the final consumer

In the B2B segment, the highlight is the completion of the feasibility studies for remote generation projects in which EGSD is responsible for the investments and leases the equipment to clients (asset-based projects).

Number of units and installed capacity

20,014 ENGIE Geração Solar 1,261 17,824 10,059 Distribuída (EGSD) 5.510 352 7,312 Presence in 666 3,920 19 states 459

185 Total of 2,626 installed 27 49 21

systems, with 61.6 kWp 2016 2017 2018 2019 2020 2Q20 2Q21 of capacity. Installed capacity (kWp) Photovoltaic systems installed

15 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Energy Market in Brazil

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

• Supply: in the past, supplied by hydroelectric plants with • In the first quarter of 2021 there was a high reservoirs. Currently, a greater presence of thermoelectric and dispatch of thermoelectric plants due to the low hydroelectric run-of-river plants. Continuous expansion of supply level of the reservoirs and unfavorable from intermittent sources and water shortages recurrence. hydrology. Part of this generation occurred to • Demand: In the first quarter of 2021 consumption resumed, guarantee the energy security, providing an with every month of that period showing increased consumption increase in systemic charges paid by consumers. versus the same period in 2020.

Theoretical Supply x Demand Distribution of Supply by Source

24,000 100 800 22,000 20,000 90 700 18,000 80 16,000 600 70

14,000 (R$/MWh) 12,000 60 500 10,000 50 400 8,000 6,000 ) (Av. GW 40 300 4,000 30 200 2,000 20 0 10 100

0 0

2001 2016 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2017 2018 2019 2020

2013 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2014 2015 2016 2017 2018 2019 2020

2021E 2022E 2023E 2024E 2025E

Difference Difference between Supply and Demand (av. MW)

2021E 2022E 2023E 2024E 2025E 1 Supply - Demand (net of GSF) Secondary energy GSF GSF Secondary energy Reserve Energy 1: For the year 2020, the GSF expectation was considered, according to CCEE. For the years Small Plants Official Demand Thermoelectric 2021+, the average GSF for the period 2015-2020 was used. Hydroelectric Average PLD SE Submarket Source: ENGIE Brasil Energia internal study based on official sector documents. Source: Internal study based on Aneel and ONS data.

17 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

• Despacho recorde de usinas termelétricas e aumento do • Oferta: menores volumes de chuvas e redução de vazões nas valor da água, com impacto no custo da operação do principais bacias hidrográficas do país, refletindo em baixos sistema. níveis de armazenamentos dos reservatórios das usinas hidrelétricas do SIN.. • Governo instituí a Câmara de Regras Excepcionais para • Demanda: retomada do consumo em 2021, com todos os Gestão Hidroenergética (“CREG”), com o objetivo de meses do ano apresentando consumo superior ao mesmo estabelecer medidas emergenciais para a otimização do período de 2020.. uso dos recursos hidroenergéticos e o enfrentamento da atual situação de escassez hídrica. Nível de armazenamento Geração termelétrica

20.000 100%

90% 18.000

80% 16.000

70% 14.000

60% 56.4% 12.000

50% 10.000

40% 35.3% Avg.MW 8.000 30% 6.000 20% 4.000 10% 2.000 0%

0 2014 2015 2016 2017 2018 2019 2020 2021

Fonte: Base de Dados Técnica do ONS. Fonte: Base de Dados Técnica do ONS, por semana operativa. 18 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Sales and Energy Trading Strategy

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Among Distribution, free customers and trading companies

Client Breakdown (based on contracted energy)

First to consistently serve the free market…

• Flexibility (prices, terms and Maximizes portfolio’s 47% 48% 47% 46% 47% conditions) efficiency

• Opportunistic contracts Product assembly 17% 14% 13% 13% 11% (purchase/sale)

• Largest consumer market 36% 38% 40% 41% 43% Long-term cash flow • Regulated and unregulated predictability contracts (signed until 2004) 2018 2019 2020 2021E 2022E Distribution Companies Trading Companies Free Customers ……to minimize risks and to maximize portfolio’s efficiency.

20 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Portfolio diversification and gradual sale of future energy availability

Energy Balance (% of total; average MW) Free customers total sales volume for 2021: 2,359 aMW

Source: Internal study based on IBGE’s classification. as of June 30, 2021

5,906 5,728 5,648 5,530 713 763 5,466 5,418 12% 13% 1,136 20% 1,541 28% 2,059 38% 2,502 46% 3,181 2,953 2,500 54% 52% 44% 1,982 36% 1,413 26% 932 17%

2,012 2,012 2,012 2,007 1,994 1,984

34% 35% 36% 36% 36% 37% Uncontracted energy compared to the availability of a given year

54% 52%

2021 2022 2023 2024 2025 2026 50%

45%

44%

43%

38% 38%

Regulated Market Free Market Available 36%

33%

29%

26%

26%

20% 19%

2021 Contracted Energy Breakdown by Market 17%

14%

13%

12% 12%

61% Free Market 39% Regulated Market 2021 2022 2023 2024 2025 12/31/2017 12/31/2018 12/31/2019 12/31/2020280 21 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Evolution of Free Customers1

ML 2,656 2,625 2,603

2,366 2,359 2,293 1,742 (+13% compared to 2Q20) 10.9% (-2.3 p.p compared to 2Q20) 720 Commercial & Industrial sites 687 Market share ACL in 2Q21 660 served in 2Q21 621 (of total energy in Free Market)

515 37.5% 418 tCO2 Participation of Free Clients out CERs sold in 1Q21 of total net operating revenue (Certified Emission Reduction) 280 1,092 GWh 40.4% RECs sold in 1Q21 Participation of Free Clients out (Renewable Energy Certificates) of total physical sales 2017 2018 2019 2020 2Q20 2Q21

Number of free customers Free customers contracted volume (aMW)

Note: 621 ¹ Net of trading operations.

22 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Expansion

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Campo Largo II Wind Complex

BA Accumulated progress of approximately 97% of the work at the end of 2Q21. • 8 out of 11 wind farms started commercial operations and the last 3 farms began operations on a test basis during 2Q21. Campo Largo II WC Sento Sé and • At the end of 2Q21, out of a total of 86 machines, 71 wind generators were Umburanas (BA) completely assembled and 66 had been commissioned.

• Full commercial operation expected for August 2021. Total Installed Capacity: 361.2 MW Wind turbines comissioning evolution Commercial Capacity (gross): MW as of March86 31, 2021 86 86 192.5 a

19 Investment (R$mm)1: ~R$ 1,600

13 Start of Start of 59 59 construction: 2019 operation: 1Q21

Nº of wind turbines: 86 (~ 4.2 MW each) 54

17 Note: 27 1 Value as of January 2019. 10 Mar 31, 2021 Jun 30, 2021 Aug 4, 2021 Assembly of wind turbines Commercial operation Test operation Under construction

24 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Santo Agostinho Wind Complex (Phase I)

RN New wind project made feasible in the Free Contracting Environment (ACL) of energy. • The earthworks at the collector substation site have started. Santo Agostinho WC Lajes and Pedro • Execution of the topographic, drilling and vegetation suppression. Avelino (RN) - Phase I • Development of the engineering project and progress in the acquisition of the project's main equipment. Total Installed Capacity: • The companies engaged at the mobilization stage prior to the start of 434 MW construction. Commercial Capacity (gross): 218 aMW

Investment (R$mm)1: ~R$ 2,300

Start of Start of operation : construction: 2021 Up to Mar/2023

Nº of wind turbines : 70 (6.2 MW each)

Note: 1 Value as of December 2020.

25 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Gralha Azul Transmission System

PR Overall work have reached 89%, meeting the physical-financial deadlines. Gralha Azul • The 230kV – Ponta Grossa – São Mateus do Sul transmission line received the Transmission Release Agreement for Tests from the ONS, valid from July 18, 2021. Line (PR) • The plan for anticipating the entry into commercial operations was maintained: Contracted RAP (R$ mm): 231.71 expected to occur gradually from August 2021. 15 lines Line tension: totaling around 525 kV RAP by section (%) 1,000 km (around 526 Km) and five 230 kV 5.3% substations 10.1% (around 474 Km)

6.3% Estimated Capex1: ~R$ 1.7 billion

Deadline to start Concession period: 9.8% operation: March 2023 30 years

68.5% Substation capacity:

Section 1 Section 3 Section 5 1 substation from 4 substations from 525 to 230 kV: 230 to 138 kV: Section 2 Section 4 2,016 MVA 1,350 MVA

Note: 1 Value as of August 2017.

Assembly of Gralha Azul Transmission System

26 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Novo Estado Transmissora de Energia

PA The total work progress was 84.5% at the end of 2Q21. Novo Estado TO • 85% of the powerline tower foundations, 60% of assembly work and 21% of Transmission Line transmission line conductor cable stringing had been completed. (PA/TO) • Electromechanical assembly on the Serra Pelada Substation (State of Para) Contracted RAP (R$ mm): 313.11 nearing completion, with the first phase of commissioning activities begun.

• Work divided into 3 sections, contractors SKIC, Tabocas and SAE Towers. • Around 1,800 km of 500 kv Occurrence of an accident in the 120/3 tower of the northern section, on July 16 transmission lines, crossing 22 municipalities • Accident involved employees of SKIC, one of the contractors hired to implement the Project. Estimated Capex: R$ 3.0 billion2 • Measures to provide support to the injured and the families of the victims was immediately taken by SKIC and accompanied by the Company. Deadline to start Concession period: operation: March 2023 30 years • Gradual return on July 19 in low-risk activities. • Work at heights remains suspended until the causes are determined. Substations: • Inspection and tests of 100% of the towers’ foundations. 1 new Expansion of 3 substation existing • Impacts of the accident on schedule and budget are being assessed. of 500 Kv substations • COD remains expected to occur gradually as from December 2021. Notes: 1 Value as of August 2017. 2 Value as of March 2020, does not consider cost of acquisition.

27 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Paracatu and Floresta Photovoltaic Complexes MG

Special Independent Committee for Transactions with Related Parties RN (CRP) Installed. Paracatu (MG) and • The Paracatu and Floresta Photovoltaic Complexes sold for the term of 20 Floresta (RN) Photovoltaic years a total of 59.1 average MW of solar energy at the Second Reserve Complexes Energy Auction of 2015, by Solaire Direct, company acquired by the ENGIE Group that year. Total Installed Capacity: 259.8 MWp • The COD of Paracatu and Floresta have occurred in February 2019 and in December 2017, respectively. Total Commercial Capacity: • Pursuant to the Regulations, the CRP will be composed of members of the 59.1 aMW Board of Directors, the majority of them Independent Directors, the remainder being drawn from the Company’s Officers. Paracatu’s PPA: Floresta’s PPA: 34 aMW 25.1 aMW R$ 364.13/MWh1 R$ 357.78/MWh1

Note: 1 Value as of November of 2020.

Paracatu Photovoltaic Floresta Photovoltaic Complex Complex

28 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Jirau HPP | Update

aMW MW 2,212 3,750 50 75 GENERATING MW PHYSICAL INSTALLED UNITS EACH GUARANTEE CAPACITY

Production (MW average)1 PPA’s portfolio (MW average) Shareholding Structure

2,212 2,212 ESBR - estrutura acionária +27.0% 14 95 95 20% 2,792 538 538 Regulated 2,199 14 Bilateral 40% Uptime Partners operating 20% factor in 2Q21: 1,565 1,565 Uncontracted 1 99.2% Losses

2Q20 2Q21 20% 2021-2034 2035-2043

Note: 1 Subject to final CCEE booking.

29 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

ENGIE Brasil Energia has also a portfolio of assets under development. Some of them are presented below.

Assú I, II, III and IV Photovoltaic Centrals - RN Installed Capacity: 120 MW Sto. Agostinho Wind Cimplex (Phase II) - RN Installed Capacity: 366 MW Umburanas Wind Complex (Phase II) – BA Installed Capacity: 250 MW

Campo Largo Wind Complex (Phase III) – BA Installed Capacity: 250 MW

Campo Largo Photovoltaic Complex – BA Installed Capacity: 400 MW

Alvorada Photovoltaic Complex - BA Installed Capacity: 90 MW

866 MW + 610 MW = 1,476 MW

30 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Financial Performance

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Creation of shareholder value: financial discipline and efficient capital allocation.

ROE1 - Return on Equity (%)

36.6 36.1 35.5 33.0 3 29.0 From 2016 – 2020 : • Investments amounted to: ~R$ 19 billion, with 82% leverage • Proprietary installed capacity rose +24% • Acquistion of stake in TAG 2018 2019 2020 2Q20 2Q21 32.5% • Entry into transmission: 2,800 km under construction 2 ROIC - Return Over Invested Capital (%) • Ebitda4: +74% 23.0 22.7 23.4 4 20.8 • Net income : +66% 19.1 • Dividends and IOC: R$ 9.1 billion

2018 2019 2020 2Q20 2Q21 Notes: ENGIE Brasil Energia internal study based on the Company’s Financial Statements. 1 ROE: net income of the past 4 quarters / shareholders’ equity. 2 ROIC: effective tax rate x EBIT / invested capital (invested capital: debt – cash and cash equivalents – deposits earmarked for debt servicing + SE). 3 Nominal amount. 4 Net of GSF repactuation. 32 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Net operating revenue (R$ million)

16.6% 3,133 1 342 0.3% 2,687 12 3 (20) 77 67 (80) 44 24.8% 0.3% 16.2% 9.5% 9.5%

74.1% 65.4%

NOR 2Q21 Price and Financial CCEE Other Fines and Tax recovery Trading Transmission Solar NOR 2Q21 sales volume asset indemnities 2Q20 remuneration 2Q20

Generation and portfolio’s sale Trading Transmission Photovoltaic panels

33 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Contribution of the Result from Transportadora Associada de Gás (TAG) to the EBITDA of the Company

Stake of 32.5% in TAG contributed with R$ 147 million via equity income to the Company’s Ebitda in the 2Q21.

Income Statement TAG (R$ million)

1,730

-549 -51

-440

-237 453 147 Contribution to Ebitda

NOR TAG 2Q21 Cost of services General and Financial results Income Net income administrative taxes TAG 2Q21 expenses

34 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Ebitda (R$ million)

-4.4%

19.7%

1,532 (163) 1,432 67 (30) (36) 57 2 77 (37) (56) 9.6% 1,369 (72) 1,280 (59) 138 0.3% 129 10.4% 10.7% (80) 0.3% 11.6% (152)

80.0% 77.6%

0.2% 0.2% Ebitda Non- Ebitda Purchases Price and Financial Other Fines and Material Fuel CCEE Transmission Equity Trading Ebitda Non- Ebitda 2Q20 recurrent 2Q20 - for sales assets costs and operational and third- income 2Q21 - recurrent 2Q21 adjusted portfolio volume remun. expenses provisions party (TAG) adjusted services

Generation and portfolio’s sales Transmission Trading Photovoltaic panels Equity income (TAG) Notes: 1 Considers the combined effect of changes in revenue and expenses. 2 Ebitda: net income + income tax and social contribution + financial result + depreciation and amortization + impairment + non-recurring. 35 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Net Income (R$ million)

-58% (5) 101 (108)

(173) 252 (514) 766

(181) IGP-M 319 -514

Net income Ajusted Ebitda Income Depreciation Impairment Non-recurrent Adjusted Net income 2Q20 taxes and 2Q20 financial result 2Q21 amortization

36 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

With no currency exposure

Balanced leverage, at competitive cost, fostering growth opportunities.

Debt Overview (R$ million)

18,4991 5,074 16,6721 14,4371 346 2.8x 13,078 Ebitda / Debt Total 2.6x 2.6x 9.4981 2.2x 2.0x 1.9x 1.8x

(R$million) 1.6x 3 0.30 0.28 0.38 0.27

2018 2019 2020 2Q21 Cash and Escrow Net debt equivalents deposits 2Q21

Local Currency Debt FFO2 / Total Debt Total Debt / LTM Ebitda3 Net debt / LTM Ebitda3 Notes: 1 Gross debt, net of hedge operations. 2 Funds from Operations, net from impact of the transmission lines (Contract Assets). 3 Ebitda in the past 12 months.

37 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Competitive costs and defensive indexes

AAA rating and robust cash generation translate into competitive costs of debt for financing growth.

Maturity debt schedule (R$ million) Breakdown of debt

Fixed CDI TJLP IPCA

Nominal cost of debt: 11.2% p.y. Average debt term: 6.9 years (5.8% in 2Q20)

Indexation of energy sales contracts mitigates exposure of debt to IPCA.

38 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

The expansion plan and maintenance CAPEX are supported by a strong cash flow generation and prudent funding strategy.

Accomplished/expected CAPEX and corresponding financing sources (R$ million)

6,485 5,158 Ebitda 5,538 4,367 Net income 4,903 3,520 Shareholder’s equity funded, including acquisitions 3,864 4,013 3,672 3,452 Debt funded, including acquisitions 2,797 liabilities2 2,315 2,311 2,005 Notes: 3,641 3,271 1,570 1 Considering the acquisition of a stake in 2,386 1 TAG, which closing took place on 06/13/2019. 5,180 2 Does not consider interests incurred during 935 762 the construction. 1,674 1,066 397 372 401 635 364 (277) 2017 2018 2019 2020 2021E 2022E 2023E

39 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

• By-law minimum payout: 30% of payable net income • Management commitment: minimum payout of 55% of payable net income • At least 2 dividends per year

Dividends (based on distributable net income)

2.79 2.45 2.47 8.2% 8.6% 9.2% 5.7% 7.1% 6.3% 6.1% 5.7% 5.0% 4.5% 3.5% 3.7% 1.75 1.90 3.5% 2.3% 1.81 1.82 2 100% 100% 100% 100% 100% 100% 100%2 100% 72% 1.53 0.93 58% 55% 0.96 55% 1.02 55% 57% 0.97 0.76 0.81

2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 20191 2020 6M21

Dividend per share3 (R$) Payout4 Dividend Yield5

Notes: 1 Figures for 2019 were resubmitted in the light of the AGM’s decision on the retention of interim dividends for fiscal year 2019. 2 Payout equivalent to 100% of the distributable adjusted net income (ex-hydrological risk negotiation). 3 For the purposes of comparability between fiscal years, an adjustment in dividend per share was made in the light of the share bonus approved on December 07, 2018. 4 Considers the annual adjusted net income. 5 Based on volume-weighted closing price of ON shares in the period.

40 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

STRATEGIC INDUSTRY ✓ Defensive profile in times of crisis ✓ Projects with high bankability ✓ Diversification among segments in the power sector

PREMIUM RATING ✓ Fitch Ratings rated the Company’s Local Long-Term INDUSTRY LEADERSHIP Rating as ‘AAA(bra)’ and in global scale “BB”, one notch ✓ Largest independent power producer group in Brazil above the Brazilian sovereign rating ✓ Market cap: R$ 31.9 billion in 06/30/2021 ✓ Controlled by ENGIE S.A., world leader in energy

HIGH-CALIBER CORPORATE GOVERNANCE AND SUSTAINABILITY CLEAR COMMERCIAL STRATEGY ✓ Diversified and qualified team ✓ Heavily contracted in the next years ✓ First class controlling shareholder ✓ Diversified portfolio between free customers and ✓ Component of ’s Novo Mercado and ISE (since regulated ones its inception in 2005) ✓ Benefits from windows of opportunities

STABLE FINANCIAL PERFORMANCE CASH FLOW PREDICTABILITY ✓ Strong cash flow ✓ Inflation-indexed contracts ✓ ROE and ROIC above sector median ✓ Hydro based, with diversification on complementary ✓ No FX exposure sources and active portfolio management ✓ Long-term contracting strategy HIGH OPERATIONAL PERFORMANCE ✓ Benchmark indexes of availability ✓ ISO 9001, 14001 and OHSAS 18001 certified plants ✓ Use of advanced technology for remote operations and predictive maintenance

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Supporting Data

08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Main Financial and Operational Indexes

Consolidated (In millions of R$) 2Q21 2Q20 Chg. 6M21 6M20 Chg. Net Operating Revenue (NOR) 3,133 2,687 16.6% 6,383 5,281 20.9% Results from Operations (EBIT) 1,132 1,199 -5.6% 2,639 2,295 15.0% Ebitda (1) 1,369 1,432 -4.4% 3,107 2,764 12.4% Adjusted Ebitda (2) 1,532 1,280 19.7% 3,218 2,612 23.2% Ebitda / NOR - (%) (1) 43.7 53.3 -9.6 p.p. 48.7 52.3 -3.6 p.p. Adjusted Ebitda / NOR - (%) (2) 48.9 49.1 -0.2 p.p. 50.4 50.2 0.2 p.p. Net Income 319 766 -58.4% 848 1,278 -33.6% Return On Equity (ROE) (3) 29.0 35.5 -6.5 p.p. 29.0 35.5 -6.5 p.p. Return On Invested Capital (ROIC) (4) 23.4 19.1 4.3 p.p. 23.4 19.1 4.3 p.p. Net Debt (5) 13,078 10,772 21.4% 13,078 10,772 21.4% Gross Power Production (avg MW) (6) 3,316 2,190 51.4% 3,955 2,901 36.3% Energy Sold (avg MW) (7) 4,055 4,073 -0.4% 4,130 4,205 -1.8% Average Net Sales Price (R$/MWh) (8) 205.35 195.79 4.9% 205.24 193.92 5.8% Number of Employees - Total 1,598 1,645 -2.9% 1,598 1,645 -2.9% EBE Employees 1,473 1,575 -6.5% 1,473 1,575 -6.5% Employees on Under Construction Plants 125 70 78.6% 125 70 78.6% Notes: 1 Ebitda represents: net income + income tax and social contribution + financial result + depreciation and amortization. 2 ROE: net income of the past 4 quarters/shareholders’ equity. 3 ROIC: effective tax rate x EBIT / invested capital (invested capital: debt – cash and cash equivalents – deposits earmarked for debt servicing + SE). 4 Adjusted amount, net of gains from hedge operations. 5 Total gross electricity output from the plants operated by ENGIE Brasil Energia. 6 Disregarding sales for quotas regime (Jaguara and Miranda HPPs). 7 Net of taxes and trading operations.

43 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

26 17 32 Diversified Portfolio of Assets 28 5 19 29 32 27 1430 Installed Commercial 9 1615 Hydro Power Plants Capacity (MW) Capacity (aMW)1 4 26 1 Salto Santiago 1,420.0 733.3 21 22 Installed capacity of 8,958.3 MW KeyLegenda 29 2 Itá 1,126.92 564.72 11 7 HidrelétricaHydro 6 3 Salto Osório 1,078.0 502.6 (5,100.4 aMW), 4,500 Km of TermelétricaThermal 23 4 Cana Brava 450.0 260.8 18 operating pipelines and ~2,800 Km of ComplementarComplementary 31 5 2 256.92 Em Construção 3 1 Estreito 435.6 transmission lines under Expansion 24 6 Jaguara 424.0 341.0 Transmission 10220 25 implementation. TAG 8 12 7 Miranda 408.0 198.2 13 8 Machadinho 403.92 165.32 9 São Salvador 243.2 148.2 10 Passo Fundo 226.0 113.1 Gas Pipelines Size Compression Stations 11 Ponte de Pedra 176.1 133.6 26 Transportadora Associada de Gás (TAG) 4,500 Km 11 Total 6,391.7 3,417.7 Expansion Thermal Power Plants Installed Commercial Installed Capacity Commercial Capacity Capacity (MW) Capacity (aMW) Generation (MW) (aMW) 3 12 Jorge Lacerda Complex 857.0 649.9 27 Jirau (Hydro)8 1,500.0 884.6 13 Pampa Sul 345.0 323.5 28 Santo Agostinho I Complex (Wind) 434.0 218.0 Total 1,202.0 973.4 29 Paracatu and Floresta Complex (Solar) 259.8 59.1 30 Campo Largo II Complex (Wind) 113.4 58.8 Complementary P. Plants Installed Commercial Capacity (MW) Capacity (aMW) Total 2,307.2 1,220.5 14 Umburanas Complex (Wind)4 360.0 213.3 15 Campo Largo I Complex (Wind)5 326.7 166.5 Transmission Size Substations 16 Campo Largo II Complex (Wind)6 247.8 133.7 31 Gralha Azul ~ 1,000 km 5 7 1 new and expansion of 17 Trairi Complex (Wind) 212.6 97.2 32 Novo Estado ~ 1,800 km 3 existing 18 Ferrari (Biomass) 80.5 35.6 Total ~ 2,800 km 19 Assú V (Solar) 30.0 9.2 Notes: 20 Lages (Biomass) 28.0 13.7 1 Considers the physical guarantee revision in effect from January 1, 2018, pursuant to MME Ordinance 178/2017. 21 Rondonópolis (SHP) 26.6 14.0 2 Portion owned by ENGIE Brasil Energia. 22 José G. da Rocha (SHP) 24.4 11.9 3 Complex comprised by three power plants. 23 Ibitiúva (Biomass) 22.92 13.62 4 Complex comprised by 18 wind farms. 5 24 Nova Aurora (Solar) 3.0 0.3 Complex comprised by 11 wind farms. 6 Complex comprised by 11 wind farms, of which 8 in commercial operations as of June 30, 2021. 25 Tubarão (Wind) 2.1 0.3 7 Complex comprised by eight wind farms Total 1,364.6 709.3 8 The transfer of the 40% stake of ENGIE Brasil Part. in Jirau HPP to the Company should be examined timely. 44 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Transportadora Associada de Gás – TAG Contracts breakdown and indebtedness

High level of contracted volume in the regulated market, for an average term of approximately 10 years. Financing structure with competitive cost and protected from exchange variation - Rating AAA by Fitch Ratings.

Contracts breakdown Debt profile – TAG

as of June 30, 2021 Approx. Termination Contracted % of the Net Gas Agreement Readjustment size of Volumes Operating Pipelines Maturity1 index R$ 10.9 billion1 (km) Authorization (MM m³/day) Revenue2 Foreign market

Gasene 1,400 Nov-2033 Mar-2039 30.3 37.8% IGPM/CPI/FX

Malha NE 2,000 Dez-2025 Mar-2039 21.6 22.4% IGPM

Pilar-Ipojuca 200 Nov-2031 Nov-2041 15.0 5.9% IGPM R$ 12.4 billion1 Domestic market Urucu-Coari- 800 Nov-2030 Nov-2040 6.7 33.9% IGPM/IPCA Manaus Domestic market: ~CDI + 1.80% p.y., with semi-annual amortizations Lagoa Parda 100 Under negotiation - IGPM and maturing in June 2026. Vitória Foreign market2: Libor + initial spread of 2.3%, with semi-annual Total ~4,500 73.6 100.0% amortizations and maturing June 2027.

Notes: Notes: 1 Following the expiry of the agreements, a five-year tariff revision cycle will be triggered, which will decide the 1 The presented values do not consider the debt swaps. revised maximum permitted revenue flow (RAP). 2 The portion of the debt denominated in foreign currency was converter by Ptax of R$ 5.0022 as of 2 Variations in revenue representativeness between GTAs may occur. June 30, 2021 and is linked to US Dollar sales under part of the Gasene agreement, thus being a symmetry between revenue and debt servicing.

45 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Energy Balance as of June 30, 2021 Diversified contracting with duration of about 16 years in ACR and 4 years in ACL1

(in average MW) 2021 2022 2023 2024 2025 2026 Own Resources 4,821 4,899 5,061 5,117 5,113 5,111 Auction Reference Gross Price Net Price of + Purchases for Resale 1,085 829 587 413 353 307 Gross Price Date Adjusted PIS/COFINS/P&D = Total Resources (A) 5,906 5,728 5,648 5,530 5,466 5,418 (R$/MWh) (R$/MWh) (R$/MWh) 2 Government Auction Sales 2,012 2,012 2,012 2,007 1,994 1,984 2005-NE-2010-30 200 200 200 200 200 200 115.1 Dec-05 249.4 224.1 2006-NE-2009-30 493 493 493 493 493 493 128.4 Jun-06 274.1 246.3 2006-NE-2011-30 148 148 148 148 148 148 135.0 Nov-06 286.0 256.9 2007-NE-2012-30 256 256 256 256 256 256 126.6 Oct-07 257.8 231.6 Proinfa 19 19 19 19 19 19 147.8 Jun-04 418.4 403.1 1st Reserve Energy Auction 14 14 14 14 2 - 158.1 Aug-08 311.5 300.1 Auction Mix (New Energy / Reserve / DG) 14 14 14 9 8 - - - 301.0 290.0 2014-NE-2019-25 295 295 295 295 295 295 183.5 Mar-14 270.0 242.6 2014-NE-2019-25 10 10 10 10 10 10 206.2 Nov-14 283.8 273.4 2014-NE-2019-20 82 82 82 82 82 82 139.3 Nov-14 192.3 174.5 2015-NE-2018-20 46 46 46 46 46 46 188.5 Aug-15 241.1 218.8 8th Reserve Energy Auction 9 9 9 9 9 9 303.0 Nov-15 370.2 336.0 2014-EN-2019-20 48 48 48 48 48 48 136.4 Nov-14 220.5 200.1 Government Auction - Quotas regime 2018 - Quotas (UHJA) - 2018-30 239 239 239 239 239 239 - Jul-17 153.4 146.3 2018 - Quotas (UHMI) - 2018-30 139 139 139 139 139 139 - Jul-17 174.0 166.0 + Bilateral Sales 3,181 2,953 2,500 1,982 1,413 932 = Total Sales (B) 5,193 4,965 4,512 3,989 3,407 2,916 Balance (A - B) 713 763 1,136 1,541 2,059 2,502 Sales Average Price (R$/MWh) (net)3,4: 202.3 206.9 204.1 Purchases Average Price (R$/MWh) (net)5: 190.5 184.4 168.3 1 Average term weighted by the amount of energy sold, including trading operations. 3 2 XXXX-YY-WWWW-ZZ, where: Sales price, including trading operations, net of ICMS and taxes over revenue (PIS/Cofins, R&D), i.e. future inflation is not being considered. 4 XXXX -> year of auction Disregarding sales for quotas regime (Jaguara and Miranda HPPs). 5 Purchase net price, considering trading operations and benefits from PIS/Cofins credits, i.e. future inflation is not being considered. YY -> EE = existing energy or NE = new energy WWWW -> year of delivery start Notes: ZZ -> supply contract duration (in years) - The balance refers to the settlement point (net of losses and internal consumption of the plants). - The average prices are considered simply estimates and are based on financial planning revisions, not capturing volume changes, which are updated quarterly.

46 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Headcount1

Number of employees By gender

1,085 21% 12% Female 1,575 1,473 Male Administrative 31% 26% Renewables 388 88% 41% 45% Thermal 47% 79% 53% 28% 29% Administrative Operations 2Q20 2Q21

By age group By academic qualifications

8% 3% 1% Less than 25 17% 15% 25 to 34 Post-Graduate 35% 35 to 44 University-educated 45 to 54 48% High School More than 55 Primary School 34% 39%

Note: 1 Does not consider employees posted to projects under construction. 47 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Sustainability KPIs1 Item Dimension2 Index Material themes GRI disclosure4 2Q21 2Q20 Change 6M21 6M20 Change 1 Operating plants 102-7, EU1 68 60 8 68 60 8 2 Installed capacity 102-7, EU1 10,679 10,431 2.4% 10,679 10,431 2.4% 3 Proprietary capacity 102-7, EU1 8,958 8,710 2.8% 8,958 8,710 2.8% 4 Number of certified plants 102-16, EU6 12 12 0 12 12 0 5 Certified installed capacity (MW) 102-16, EU6 8,127 8,127 0.0% 8,127 8,127 0.0% 6 Certified installed capacity in relation to the total - Prioritization of 102-16, EU6 76.1% 77.9% -1.8 p.p. 76.1% 77.9% -1.8 p.p. 7 Installed capacity from renewable sources renewable sources for 102-7, EU1 9,477 9,229 2.7% 9,477 9,229 2.7% energy generation 8 Quality Installed capacity from renewable sources in relation to the total 102-7, EU1 88.7% 88.5% 0.3 p.p. 88.7% 88.5% 0.3 p.p. 9 Energy generation (GWh) - Emissions EU2 7,242 4,784 51.4% 17,179 12,669 35.6% 10 Certified energy generation Management 102-16, EU6 4,672 2,813 66.1% 12,703 8,879 43.1% 11 Certified energy generation in relation to the total 102-16, EU6 64.5% 58.8% 5.7 p.p. 73.9% 70.1% 3.9 p.p. 12 Energy generation from renewable sources (GWh) EU2 5,776 3,892 48.4% 14,006 10,284 36.2% 13 Energy generation from renewable sources in relation to the total EU2 79.8% 81.4% -1.6 p.p. 81.5% 81.2% 0.4 p.p. 14 Uptime ratio, excluding scheduled stoppages EU30 97.3% 96.7% 0.6 p.p. 96.2% 96.8% -0.6 p.p. 15 Uptime ratio, including scheduled stoppages EU30 87.7% 91.8% -4.0 p.p. 88.7% 91.4% -2.7 p.p. Saplings donated and planted (sum-total of planted and 16 304-2, 413-1 65,954 3,917 1583.8% 166,169 27,746 498.9% donated saplings) - Emissions Management 17 Environment Number of visitors at the plants and environmental education 413-1 13,891 340 3985.6% 35,018 3,113 1024.9% and climate - Boost of prosperity on 18 change CO2 Emissions (fossil fuel plants) (t/MWh) local communities D305-1, D305-2, D305-3 1.080 0.920 17.4% 1.090 0.935 16.5% CO2 Emissions from ENGIE Brasil Energia's generation - Biodiversity 19 D305-1, D305-2, D305-3 0.200 0.171 16.7% 0.180 0.176 2.2% complex(t/MWh) 20 Frequency Rate (FR) operation and maintenance 5 - Teams and community 403-2 0.423 0.000 0.262 0.851 Occupatio- safety 21 Severity Rate (SR)) own employees6 403-2 0.000 0.000 - 0.000 0.000 - nal Heath - Foster good social 22 Frequency Rate (FR) construction5 403-2 0.966 0.425 0.859 0.257 and Safety and environmental 23 Managerial Safety Visits - VGS 403-2 426 257 Not applic 890 458 Not applic (OH&S)3 practices between 24 Registry of Risky and Near Accident Situation suppliers and customers. 403-2 1,561 808 Not applic 2,989 1,825 Not applic 25 Non-incentivized investments 203-2, 413-1 2,010.4 2,593.8 -22.5% 3,635.7 3,090.5 17.6% 26 Investments through the Infancy and Adolescence Fund (FIA) 203-2, 413-1 245.0 0.0 - 584.2 596.4 -2.0% - Generation of Notes: 27 Investments through the Culture Incentive Law (Rouanet) economic result and 203-2, 413-1 1,426.0 318.0 348.4% 2,236.8 2,525.4 -11.4% 1 Additional indices are available at Sustainability Report (www.engie.com.br/investors/financial-information). 28 Social Investments through the Sport Incentive Law value sharing with 203-2, 413-1 265.1 0.0 - 412.2 184.0 124.0% 2 Reference: ENGIE Sustainable Management Policy. 3 The Health and Safety indicators underwent a methodological Responsibi- Investments through National Program of Support to Oncology society change at the beginning of 2021, which is why there are no 29 7 203-2, 413-1 0.0 0.0 - 0.0 0.0 - comparisons with previous periods. lity Care (Pronon) 4 GRI: Global Reporting Initiative, Standards version and sector supplement version G4. Investments through the National Care Support Program for - Boost of prosperity on 5 30 203-2, 413-1 0.0 0.0 - 0.0 0.0 - FR = number of occupational accidents for every million hours of People with Special Needs (Pronas/PCD) local communities exposure to hazards. 6 SR = number of days lost due to occupational accidents for every 31 Investments through the Municipal Fund for the Elderly 203-2, 413-1 30.0 0.0 - 30.0 300.8 -90.0% one thousand hours of exposure to hazards. 7 Amounts in thousand of reais (R$).

48 08/06/2021 ENGIE Brasil Energia S.A. Institutional Presentation 2Q21

Contacts

Eduardo Sattamini Chief Executive and Investor Relations Officer [email protected]

Investor Relations Team:

Rafael Bósio Investor Relations Manager [email protected] (48) 3221 7225

Adriana Wagner Caio Miralles Investor Relations Analyst Sustainability Analyst [email protected] [email protected]

Ivani Angeli Mariana Puricelli Investor Relations Analyst Investor Relations Analyst [email protected] [email protected]

www.engie.com.br/investidores

08/06/2021