Investor Presentation June 2020 Agenda

Investor Presentation – Strategic Plan 2020-22

Our positioning

Sustainability = Value. Our delivery over time

Our vision

Our vision in numbers

Financial management & Sustainable finance 2020-2022 Strategic plan De-risking long term targets

Earnings & targets

FY 2019 consolidated results

Q1 2020 consolidated results

Annexes Investor Presentation Strategic Plan 2020-22 Our positioning A sustainable and fully integrated business model

delivering value for shareholders Our positioning Our EBITDA by business Total shareholder return 2015-20191

160%

9% 140%

120%

26% 100%

18% 80%

2019 60% 136%

17.9 €bn 40%

1% 20% 46% 57%

0% FTSE MIB Stoxx 46% Utilities SRI2 10.8%

1. From Jan 1st 2015 to Dec 31st 2019 4 2. Socially Responsible Investors as of December 2019

Enel’s leadership in the new energy world Our positioning Our 1st network # End users 1 operator 74 mn

Renewable capacity World’s largest player2 in 46 GW renewables

# Customers Largest retail customer base 70 mn worldwide3

1. By number of end users. Publicly owned operators not included 5 2. By installed capacity. Includes managed capacity for 3.7 GW 3. Including customers of free and regulated power and gas markets Sustainability = Value Our delivery over time A sustainable business model that has delivered growth and improved visibility

Sustainability=Value EBITDA dynamics (€bn) CAPEX and financial KPIs evolution

Traditional model Sustainable model CAGR 2012-15: -1.7% CAGR 2015-19: +4.5% +27%

12.00 ~10 €bn

19 10.00

18 ✔ ~8 €bn 23% Other 8.00

17

16 ✔ 6.00 35% 15 Asset

17.9 4.00 14 15.8 77% development & 13 15.5 15.0 2.00 65% customer

12

11 - 20121 2014 2015 2019 2015 2019

2.5x Net debt/ 2.5x ✔ Target achieved EBITDA

19.1% Net income/ 26.7% EBITDA 7 1. FY 2012 restated in 2013 according to IAS 19 We have focused our capital allocation on renewables…

Sustainability=Value Generation capex: 2015 vs 2019 Renewable and Thermal Production (TWh)

-17%

300 17% 244

250 34% ~36% 203

200 4.6 €bn 5.1 €bn 89 ~49% 99 150 66%

100 83% 1551 1031 50

2015 2019 0 2015 2019

~70% % Development ~80% ~40% % RES Capacity ~50% Capex /Total

% RES Production/ Renewables Thermal generation Total 8 1. Excluding nuke (39.8 TWh in 2015 and 26.3 TWh in 2019) …to become the world leader in renewables

2015 2019

Installed capacity1 Sustainability=Value Installed capacity 37 GW 46 GW

Built capacity Built capacity 1 GW 3 GW

EBITDA/CAPEX EBITDA/CAPEX 11% >1.2k 31 11% plants Countries

9

1. Including managed capacity by 3.7 GW Grid expansion and digitalisation have driven efficiencies and created value

2015 2019 Sustainability=Value

End Users End users Bogotá Ceará 61 mn 73 mn

Goiás Smart meters Smart meters Lima Rio de Janeiro 38.5 mn 44.7 mn Sao Paulo

Smart meters 2.0 Santiago Smart meters 2.0 Buenos Aires 0 mn 13.1 mn

2.2 mn 11 ~43 €bn Networks Opex/End user Grids RAB Opex/End user km 57 € 42.5 € 10 We focused on customers and platforms to seize future opportunities

Sustainability=Value Customers – key metrics New deployments

1 Energy sold (TWh) 2015 2019 +19% Charging 180 points3 0 k 80 k 160

140

120 159

100 134

80

60 Demand 40 Response 0 GW 6.3 GW 20

- 2015 2019

Power cust. (mn)1 ~12 ~17 Battery storage 0 MW 110 MW Gas cust. (mn) ~5 ~6

EBITDA2 Established a leading position /Customer (€/cl) ~84 ~118 in new services and infrastructures

11 1. Retail free power market, excluding energy sold through PPA in . Regulated 3. Private and public charging points customers: 38.4mn in 2015 and 46.9mn in 2019 2. Calculated on Gas and Power free market A pervasive innovation and digitalisation process drives change in our organization

Sustainability=Value Platformisation process 2017-19 Total investment1 < 2015 2019 > 2020 Pre-Digital Full migration Platform operating ~4.5 strategy to cloud model €bn

2017-19 Cumulated benefit2

Fragmented IT 100% applications in New business ~1.5 platforms Cloud models €bn No economies of Closing of 100% of Platformisation of scale data centers existing businesses 12 1. Digitalization capex 2. EBITDA level Delivery on strategic pillars

✔ Sustainability=Value Industrial Growth ✔ Operational Efficiency ✔ Active Portfolio Management

Impact on Group Net Income EBITDA (€bn) Cost Savings (€bn) (€bn)

18 2 0

17 1

0

16 17.9 1 15 17.0 0 1 1.4 14 0.3 13 1 1.1 0 0.2 12 1

0

11

0

10

0

0 9

8 - - 2019 2019 Plan Actual 2019 2019 (Plan 2015-19) 2015-19 2015-19 (Plan 2015-19)

RES capacity Opex I&N Asset 41 461 51.7 42.5 ~5% ~10% (GW) (€/end user) Rotation3

End users Opex 65 73 60.3 38.4 (mn) Thermal2 (k€/MW)

13 1. Including managed capacity for 3.7 GW 2. Plan 2015-19 pro forma, does not include large hydro 3. Asset rotated in the period on invested capital Value creation and shareholders remuneration

1

Sustainability=Value Value creation spread (bps) Shareholder return – DPS (€/sh)

+250 +105%

400 0.35

350

0.30 370 ✔ 0.328

300 0.25 ✔ 0.28

250

0.20 ~0.24

200 ✔

0.15 ✔

150 0.18 0.16

0.10

100 MIN 120 0.21 0.28 0.32 DPS 0.05 50

- - 2015 2019 2015 2016 2017 2018 2019

EPS 0.28 0.32 0.36 0.40 0.47

✔ Target achieved 14

1. Calculated as the difference between ROIC and WACC Our vision Our strategy addresses dynamically the

Our vision Our evolution of sector trends

Decarbonisation

Enabling Ecosystems Infrastructure & Platforms

Electrification

16

Global outlook: decarbonisation through new vision

Our Our renewable capacity and services

Share of renewables on global capacity1 Flexibility and storage2

Demand Response 250

(GW) 200

150 200

100 3.5x 31% 145 35% 50 57 2018 2040 - Total capacity Total capacity 2020 2030 2040 7.2 TW 15.5 TW 65% 69%

1,400

Storage (GW) 1,200

1,000

800 1,095 600 45x 400 Global renewable installed capacity 200 25 346 4x - 2020 2030 2040

17 1. Source: IEA WEO 2019 SDS Scenario 2. Source: BNEF NEO 2019, BNEF long term energy storage decarbonisation

Global Power Generation: a new global business vision

Our line to accelerate decarbonisation

1 2019 Consolidated Capacity1 (GW)

# sites 60.0 85 81 87 Accelerate and facilitate the 55.0

50.0 54 decarbonisation path ~1,300 45.0 48 40.0 42 35.0 39

30.0 37 33 25.0 Extract synergies and maximize # people 2015 2019 2022 return on investments

~16,000 Consolidated Production1 (TWh)

244 203 223 Enhance transition technologies

165.0 145.0 155 EBITDA 125.0 143 105.0 85.0 99 103 65.0 89 80 ~5.8 €bn 45.0 Optimize workforce skillset

25.0 2015 2019 2022 18 Total Thermal generation Renewables 1. Excluding nuclear and managed capacity. Nuclear EBITDA in 2019E c.500 €mn. decarbonisation

Phasing out of coal production over the plan

vision Our period 120.0and beyond…

100.0

80.0

Coal production 60.0 (TWh) 92.0

40.0 64.4

20.0 37.6 74% 0-2 16.9 10.4 0.0 2012 2018 2019 2022 2024 2030

Coal on total 19 p.p. production 31.1% 25.7% 16.4% 6.8% 3.9% <1% (%)

Coal capacity 61% (GW) 17.6 15.8 11.7 6.6 3.1 < 2

19 decarbonisation

…with an accelerated renewables deployment

vision Our

2020-22 GROWTH CLUSTERS GW Target of capacity to be added (GW)

Fleet decarbonisation in , and 5.4 1.8x

Development through PPA mainly in Brazil

16 and US 5.1

14

12 Other developments in countries of 1.1 10 presence / new markets 8 14.1 ✔ 11.6 6 7.8 4 Development in new markets through JVs 2.5 2 2018-20 2019-21 2020-22 Plan Plan Plan TOTAL 14.1 ✔ Target achieved 20 decarbonisation

Further acceleration of renewable additions vision

Our fueled by organic development

Additional capacity evolution: 2019-21 vs 2020-22 plan Renewable capacity evolution (GW)

+22% +31%

Total capacity 45.9 45.7 59.8

(2.2) 5.6

3.7 3.4 14.1 54.2 2.6 (1.8) 1.7 42.3 42.2 +28% 11.6 65% 14.1 FY 2019

Old plan BSO JVs Organic New plan 2019E Additional Portfolio 2022 2019-21 2020-22 capacity rotation

21 decarbonisation

The largest and most diversified pipeline of the vision

Our industry is fueling future growth ambitions

Renewables pipeline (GW) Breakdown by technology

As of October 2019 As of December 2019

100.0 31.4 GW

90.0 1%

80.0 47%

70.0

60.0 58.6 40.0 GW

50.0

40.0 90.0 2.1 52% 3.6 6.1 30.0

20.0 xx 29.6 10.0 19.6

0.0 Wind Solar

Gross Early stage COD 2025 COD 2024 COD 2023 COD Hydro Pipeline and beyond 2020-22

22 decarbonisation

High level visibility on deployment goals

vision Our

2020-22 Renewables growth1: addressed share vs pipeline2 (GW)

2020 ~100% 40.0 GW

30.0 Coverage 2021 69% by year 2020-22 pipeline

25.0 2022 35% ~ 3.4x 23.0 Residual target Beyond 2022

20.0

15.0 65% addressed 14.1 Pipeline 10.0 9.1 17.0 ~ 8.0x 2020-22 Residual target

5.0 5.0

0.0 Target additional Addressed Residual target Pipeline capacity

23 1. Including managed capacity 2. As of March 2020 decarbonisation

Strategy strongly supports our path towards full vision

Our decarbonisation by 2050

Scope 1 & Scope 3 CO2 emissions evolution

600.000 -70%

500.000

400.000 465 FULL decarbonisation 411 BY 2050 Scope 11 300.000 (g CO2/kWh) 200.000 296 254

100.000 125

0.000 2007 2017 2019 2020 2030 20500 ✔ Previous SBTi target 350

Scope 32 16% indirect emissions (Mton CO2) reduction

✔ Target achieved 24 1. Scope 1 by 2030, consistent with the Well Below 2C pathway of the Science Based Target Initiative and the IEA B2DS scenario 2. Scope 3 related to gas retail activities by 2030, consistent with the 2C pathway of the Science Based Target Initiative

Global outlook: electricity is winning the energy vision

Our battle

Share of electricity on total final energy consumption1 End use avg. investments needed for electrification

(‘000 TWh) (USD Tn/year)

+11.5 ~2x

2

1.20

23 34.6 2

2

1.00 + 1 bn electric cars

1 ~2.5x 24%

0.80 1 43% + 2.8 bn air cond.

1

0.60 1.9

1 + 2 bn heat pumps 1 0.40 1.0 0

0.20 0 0.4 ~4x 0 0.00 2018 2019-30 2031-2040 2018 2040

25 1. Useful energy - Source: IEA WEO 2019 SDS and IEA Future of Cooling Electrification

Retail will position ahead of electrification trends, vision

Our Our paving the way for further growth

Power customers Power volumes sold Unitary consumption

(mn) (TWh) (MWh/client)

40.0 12

35.0

200.0 10

30.0

+67% +23% 8 25.0 150.0 -26% Developed 6 20.0

100.0 markets 15.0 195 4 28.6 159 9.2 (Europe) 10.0 6.8 50.0 17.2 2 5.0

0.0 0 0.0 2019 2022 2019 2022 2019 2022

12 40.0

35.0 200.0 10

30.0

8

150.0 Developing 25.0 +9% +21% +11%

6 20.0

economies 100.0 15.0 26.7 29.2 4 (Latin America) 10.0 143

50.0 118 2 4.4 4.9 5.0

0 0.0 0.0 2019 2022 2019 2022 2019 2022 26 Free Power Market Regulated Power Market Ecosystems & Platforms

New services enable decarbonisation and vision

Our electrification of consumption

Decarbonisation through new services Enabling electrification

Revenues from Demand Response (GW) Storage (MW) Charging points1 (k) Electrification services (€mn)

1.6x 4.0x 8.9x 2.2x

12 500 800 600

450

700

10 500 400

600

350 8 736 439 400 536 500 10.1 300

6 250 400 300

200

300

4 200 6.3 150

200

100 2 80 100 242 100 50 110

- - - - 2019 2022 2019 2022 2019 2022 2019 2022

27

1. Public and private charging points Global outlook: networks as the backbone of a

Our vision Our sustainable electric system

Energy system evolution Average yearly investments in networks (USD bn)1

800

700

600 +85%

500

400

300

200 500

100 270 TSO Aggregator

0 2010-2018 2019-2040 DSO

DSO TSO Average investments in smart meters and grids (USD bn)2

80

70 Microgrids 60 ~2x 50

40

30 60 DSO role stands out as pivotal in the transition: 20 33 a key enabler and a unique value creation opportunity 10

0 2018 2040 28 1. Source: World Energy Investment and WEO 2. Internal elaborations on WEO data. Enabling Infrastructure

Development of Infrastructure and Networks vision

Our centered on digitalisation, quality and efficiency

Digitalisation Quality of service Efficiency

Smart meters 2.0 (mn) SAIFI1 (n) Opex/End user (€)

>2x -9% -16%

35.00

3.25 44.00

30.00

3.20

42.00 25.00 28.8 3.15

3.10

40.00

20.00

3.05

3.00 38.00 15.00

2.95 3.2 42.5

36.00 10.00

2.90

2.85

5.00 13.1 34.00

2.80 2.9 35.6

0.00 2.75 32.00 2019 2022 2019 2022 2019 20222

Smart meters (mn) ~45 ~47

29 1. Calculated as weighted average on end users 2. In real terms

Towards a platform company

vision Our

Distribution Retail Enel X

Products

Asset Operator End Customer

Global Global Management Customers Prosumers Activities

Asset Owner Front Front

Unique database

& Network Digital layer

Digital Twin

Assets Buy (e.g. charging Standardized Suppliers & Cities Back End Back Back Office partners stations)

assets Sell Physical Physical Customer identity

30

A fully sustainable capex plan

vision Our

Total gross capex by business and by nature 2020-22 Asset development by business 2020-22

4% 41% 4% 6.5 7% 66% 28.7 €bn 28.7 €bn 27% 17.2 €bn 17.2 5.0 3% 44% 4%

Networks Enel X Asset development Retail EGP Customers Networks Enel X Conventional generation Asset management Conventional generation EGP

~ 95% of capex SDGs related 31 Sustainable, profitable, digitalised and customer

Our vision Our centric 2015 2019 2022

Renewables focus Owned RES capacity/Total capacity1 41% 50% 60%

CO2 Footprint Specific CO2 emissions g/kWh 409 296 220

Coal power plants # 19 12 7

Networks end users mn 61 73 75

Smart meters 2.0 mn - 13.1 28.8

Retail customers mn in the free market2 17 23 35

Demand response GW - 6.3 10.1

Charging points ‘000 - 80 736

32 1. Including nuke 2. Power and gas

Purpose driven strategy promotes sustainable value vision

Our creation for shareholders

Value creation spread1 (bps) Shareholder return – DPS (€/sh)

+28% CAGR

0.45 2019-22

450

0.4 0.42 + 8.6% 0.35 400 440 0.40 0.37 0.3 0.328 350 370 0.25

0.2

300 Min DPS0.15 0.32 0.35 0.37 0.40 +7.7%

0.1

250

0.05

0

200 2019 2022 2019 2020 2021 2022 EPS 0.47 0.53 0.57 0.60

33 1. Calculated as the difference between ROIC and WACC 2020-2022 Strategic Plan

Strategic plan at a glance

22 Strategic Plan Strategic22 -

Cumulated organic capex1 vs previous plan (€bn) EBITDA (€bn) 2020

+11% 24 +12%

22 29

27 20

25

18

23

16

21 28.7 20.1 25.9 14 19 17.9

12 17

15 10 2019-21 2020-22 2019 2022

Net Income (€bn) Net Debt (€bn)

+27% +5% 7 51

6.5

49

6

47

5.5

45 5

4.5 43

4 6.1 41 47.3 3.5 4.8 39 45.2 3

37

2.5

2 35 2019 2022 2019 2022 35

1. 2019-21 net of capex associated with BSO Focus on profitability, value creation and balance

sheet

22 Strategic Plan Strategic22 -

Profitability Return on invested capital Credit metrics 2020

+300 bps +200 bps +400 bps

0.35 14.0% 35.0%

12.0% 30.0%

0.30

30% 10.0% 25.0% 29%

0.25 10.2% 26% 27% 8.0% 9.6% 20.0% 25% 8.2% 6.0% 15.0%

0.20

19% 4.0% 10.0% 0.15 2.0% 7% 5.9% 5.8% 5.0% 2.5x 2.5x 2.3x

0.10 0.0% 0.0% 2015 2019 2022 2015 2019 2022 2015 2019 2022

Net income/EBITDA ROIC WACC FFO/Net Debt Net debt/EBITDA

36 2020-2022 Our vision in numbers Organic capex up by 11% to pursue strategic vision

Organic capex by GBL1: 2019-21 vs 2020-22 (€bn)

Our vision in numbersin vision Our €bn

+2.8 Decarbonisation 14.4

28.7 30.0 25.9 2.3 Electrification 1.2 25.0 2.4

20.0 11.8 11.1

15.0 Enabling Infrastructure 11.8

10.0 10.0 12.5 5.0 Ecosystems & Platforms 1.1

0.0 2.5 1.9 2019-21 2020-22

Conventional generation EGP

Networks Retail & Enel X 38

1. 2019-21 net of capex associated with BSO . Total organic capex 2020-22 include 200€mn related to other. Sound EBITDA growth reflecting strategic priorities…

Cumulated EBITDA (€bn) EBITDA evolution 2019-22 (€bn) Our vision in numbersin vision Our

+3% +13%

0.4 (0.5) 0.7

20.00 0.4 20.1 FY 2019 1.3 0.1

59 17.9 57

55

53 17.8 58.0 51 56.1

49

47

45 15.00 2019-211 2020-22 EBITDA EGP Conventional Retail Networks Enel X Perimeter EBITDA 2022 2 2019E generation

Decarbonisation Electrification Enablers & 39 1. 2019-21 Proforma to include IFRS 16 Platforms 2. EBITDA 2022 includes -100 €mn related to Holding …supported by ongoing delivery and focus on efficiencies

Opex evolution (€bn) Efficiencies by business Our vision in numbersin vision Our

-9%

FY 2019 5% 8.5 0.5 (0.1) (1.2) 26% 8.5 7.7 1.2 €bn 38%

31% 2019E CPI & Growth & Efficiency 2022 Forex Perimeter

32% Net operating expenses on gross margin 28% 40 decarbonisation Profitability of generation enhanced by decarbonisation

Global Power Generation EBITDA (€bn) Main KPIs1 Our vision in numbersin vision Our

+23%

10.00 FY 2019 2019 2022 2019 2022 9.00 6.2

8.00 7.6

7.00 0.5 6.2 Total Production Gross Margin/MWh

6.00 229 249 41 44 Nuke 0.5 (TWh) (k€/MWh)

5.00

4.00 Total Capacity OPEX/MW 7.1 (GW) 84 91 (€/MW)2 39 33 3.00 5.7

2.00 RES on total EBITDA/MW 1.00 capacity 50% 60% (k€/MW) 73 84

- 2019E 2022

41 1. Excluding managed capacity. 2. 2022 in real terms decarbonisation Conventional generation focuses on flexibility and efficiencies

Gross capex 2019-21 vs 2020-22 (€bn) 2019-22 EBITDA evolution (€bn) Our vision in numbersin vision Our

-24% 100% earmarked +6% for development

3.0 2.5 beyond 2022 2.5 FY 2019 0.6 1.9 2.0 0.2 1.6 (0.1) (0.4) 0.3

1.5 0.1 0.7 1.6 1.7

1.0 1.9 1.2 0.5

0.0 2019-21 2020-22 2019E FX Coal Nuke Efficiencies Regulated 2022 Asset development Asset management margins margins revenues

37.4 EBITDA / MW (k€/MW) 46.1

38.4 OPEX / MW (k€/MW) 35.71 42

1. 2022 in real terms decarbonisation Renewable capex tailored to maximise economic value of decarbonisation

Capex GROWTH CLUSTERS GW EBITDA/Capex IRR-WACC spread Our vision in numbersin vision Our (€bn) (%) (bps)

Fleet decarbonisation in Italy, Spain and 5.4 5.6 12-13% >200 Chile

Development through PPA mainly in Brazil 5.1 4.7 12-13% ~200 and US

Other developments in countries of 1.1 1.2 14-15% ~150 presence / new markets

Development in new markets through JVs1 2.5

TOTAL 2020-22 14.1 11.5 43

1. Capex associated to JVs excluded from the total capex decarbonisation Renewable capex to maximise economic value of decarbonisation

Renewables asset development capex 2020-22 (€bn) 2019-22 EBITDA evolution (€bn) Our vision in numbersin vision Our

+28% 6%

FY 2019 1.3 - 39% 4.6 5.9 11.5 €bn 4.6 55%

Asset development capex 11.5 2019E Asset Asset 2022 development management Asset management capex 1.0

44 decarbonisation Higher share of organic capex increases EBITDA evolution

Asset development capex evolution (€bn) Cumulated EBITDA growth (€bn) Our vision in numbersin vision Our

+8% +33%

2.5 11.5 10.6 (1.6) 0.7 2.4 1.6 BSO

1.8 (0.1)

9.0 +28%

Old plan BSO Organic New plan Old plan BSO fee Organic New plan 2019-21 2020-22 2019-211 2020-22 0.9 Capex/MW 0.9 12% EBITDA/Capex ~13% (€mn/MW) 110 EBITDA/MW 115 (k€/MW) 45 1. Net of BSO Electrification Retail EBITDA growth due to platformisation and related activities

Retail gross capex 2020-22 (€bn) 2019-22 EBITDA evolution (€bn) Our vision in numbersin vision Our

+13% +13% FY 2019 41% FY 2019 3.6 3.3 3.6 3.3 3.2 3.2 0.1 0.4 0.3 0.8 1.2 €bn 82% 0.6 80% Free market 68%

2.2 2.3 59% 20% Regulated 32% 18%

2019E 2022 2019E 2022 CTA Platform 1 118 EBITDA/cust. (€/cl) 84 Italy Iberia

Latin America RoE 23 Customers (mn)1 35 46 1. Free market power and gas Enabling Infrastructure Networks capex focused on quality and efficiencies

Networks gross capex 2020-22 (€bn) Operating performance Our vision in numbersin vision Our

RAB (€bn) 2019 2022 5% 13% 27% 50.00 ~ 43 ~45 Opex/end user 42.5 35.61 (€/cust) 11.8 €bn 40.00 ~12 ~14

5% 30.00 SAIFI2 (n) 3.2 2.9

50% 20.00 ~31 ~31

10.00 Quality index3 +160 bps vs 2019E Smart Meters Quality & Efficiency - (%) 2019 2022 Platforms Connections

Other Europe Latin America

47 1. In real terms 2. Calculated as weighted average on end users 3. Quality on services rewards/penalties and losses reduction economic impact on gross margin Enabling Infrastructure Infrastructure & networks set to improve cash generation

2019-22 EBITDA evolution (€bn) FFO-CAPEX2 (€bn) Our vision in numbersin vision Our

+9% +5%

FY 2019 8 0.4 (0.1) 8.2 0.3 7.5 - 0.1 8.9 7 8.2

6.5 7.7 7.3

6

5.5 2019E Connections Tariffs, Efficiency FX1 2022 2019-21 2020-22 Volumes & Quality Capex (€bn) 11.1 11.8

48 1. Excluding Argentina 2. Including not unbundled activities in Latin America Ecosystems & Platforms Enel X will capture new opportunities with customers

Gross Capex 2020-22 2019-22 EBITDA evolution (€bn) Our vision in numbersin vision Our

5x

0.3 0.5

FY 2019 42% 58% 1.1 €bn 0.2 0.1

0.1

Enabling businesses 2019E Enabling Scale-up 2022 businesses businesses Scale-up business

49 ~12% of 2020-2022 capex to generate ~ 800€mn EBITDA post 2022

Our vision in numbersin vision Our 2020-2022 Investments (€bn) Yearly EBITDA impact post 2022 (€mn)

30.0 3.5 25.0 ~2.4 Decarbonisation ~650

20.0

15.0 28.7 ~1.1 Enabling infrastructure ~150 25.2

10.0

5.0

0.0 Total yearly EBITDA ~800 Gross Capex Capex generating Capex generating impact at regime EBITDA by 2022 EBITDA post 2022 50 2020-2022 Financial management & Sustainable finance Debt evolution reflecting capital allocation dynamics

Net debt evolution (€bn) Source of funds allocation 2020-22 (€bn) Financial managementFinancial

+1.4 50.0 (28.7) 45.0 1.4

FY 2019 40.0

49.0 35.0 42.1

47.0 45.2 30.0

45.0 25.0

43.0 20.0 (14.7)

41.0 ~47.3 ~47.3 15.0 ~45.9 ~46.8

39.0 10.0

37.0 5.0

35.0 0.0 2019E 2020 2021 2022 Sources Incremental Gross capex Dividends of funds Debt

52 Improving credit metrics

Credit metrics Long term credit rating Financial managementFinancial

4.50 35% Rating Outlook 29%

4.00 27% 30% 25% 26% 26%

3.50 25% Standard & Poors BBB+ Stable

3.00 20%

2.50 15%

2.00 2.5x 10% 2.5x 2.5x 2.4x 2.3x Moody’s Baa2 Positive

1.50 5%

1.00 0%

0.50 -5% Fitch A- Stable

- -10% 2015 2019 2020 2021 2022

Net debt/EBITDA FFO/Net debt 53 Continued reduction in cost of debt

Financial strategy for 2020-22 (€bn) Cost of debt evolution (2019-22) Financial managementFinancial Expected Current total Amount 4.7% 4.6% cost1 cost 4.5%

4.5% 4.4% 4.4% Bond refinancing 5.5 1.7% 3.7% (40)

4.3% bps (40) Bank loans and other bps (50) (70) 4.1 0.9% 2.8% 4.1% bps bps financing 4.2% 3.9% FY 2019 4.0% Hybrid refinancing 1.1 2.6% 5.8% 3.9% 3.7% 4.1% 3.8%

3.5% Emerging markets 3.1 6.7% 6.7% 2019 2020 2021 2022 Total 13.8 2.7% 4.2% Cost of debt New Plan Cost of debt Old Plan

Net Financial 2.3 2.3 2.3 2.2 Expenses

54 1. Enel estimates on current cost associated with financial instruments Our journey to Sustainable Finance…

Path to SDG bonds Our SDG bonds Financial managementFinancial

Cost of issuance discount Size Maturity KPI USD 55%3 Issue 1.5 $bn 2024 20%2 Res. Capacity 10%1 SDG 55%3 Bonds 2.0 €bn 2024/27 - Green Res. Capacity Bonds EUR Issue Plain Vanilla Focus on 125 Bonds sustainable 0.5 €bn 2034 4 Focus on gCO2/kWh strategy specific projects No focus on 3.9 €bn - 3.6x covered – 7 yrs weighted avg. maturity sustainability Weighted average coupon: 0.4%5

1. Green Bond issuance dated 21st January, 2019 3. Percentage of consolidated renewable capacity on total capacity at 2021 55 2. SDG Linked Bond issuance dated 10th October, 2019 4. Reduction of Scope 1 GHG emissions 70% per kWh by 2030 from a 2017 base-year. 5. Including CCIRS on US dollar coupon into …will support cost of debt reduction throughout the period

Sustainable Finance evolution (2019-2030) Expected impact on cost of debt Financial managementFinancial

120.0

100.0 -15 bps -5 bps -15 bps

80.0 22% 23% 43% 60.0 2019 2022 2030

40.0 57% 77%

78% 20.0

0.0 Brown Kd SDG Kd 1 notch 2 notch Sustainability Sustainable sources Traditional sources upgrade upgrade Kd Credit upgrade worth from 5 to 20 bps

56 De-risking long term targets 2020-22 EBITDA centered on sustainable businesses and benefitting from improved risk profile

Cumulated EBITDA evolution (€bn) Cumulated EBITDA 2020-22

60.00

risking our longtargets term our risking -

De 0.8 2.2 58 (0.9) (0.5) 56 0.4 80%

55.00 58 €bn 20%

50.00

EBITDA Argentina Coal Efficiencies Contracted Free market EBITDA Contracted & regulated activities 2019-21 generation & services 2020-22 & secured Merchant volumes

58 Operating deployment: renewables’ contribution to growth secured across the board

our longtargets term our Development secured 2020-22 Production secured Variance in renewable production

2020-2022

120.0 risking - Additional Capacity

De 14.1 75% 2020-22 (GW) 100.0

80.0 Gap to target (GW) 5.0 2020-22 ~45% ~390 TWh

60.0

40.0 25%

20.0 2020-22 pipeline ~3.4x Sold 0.0 Upside/ Netting Total Residual target Hedge w/retail portfolio1 Downside

Total Production 7% @ 4% Opportunity/Risk (%) 59 1. Volumes to be sold forward in year n-1 Operating deployment: over 90% of generation energy margin covered by sales to customer base

Integrated margin1 – energy margin vs retail margin Hedging position on price driven production our longtargets term our

Ren & Nuke160%

1 60.0 risking Production - hedged price vs +19% +13% Pool price 140% De (%) 2018 Hedging of CDS-CSS indexed 50.0

Coal & Gas based on Retail margin120% vs 33 Large = = 7% scenario/market customers 2018

40.0 100%

80% 30.0 Renewables + Nuke Small and 60% 67 20.0 Natural hedging with medium ~100% retail portfolio customers 40% 93% 69%

10.0

20%

0%

- Generation A Retail 2020 2021

60

1. Average 2020-21, Italy and Iberia. Currency exposure: a low bottom line impact from volatile currencies

1

our longtargets term our 2020-22 EBITDA by currency Cumulated impact 2020-22 (€bn) risking

- EBITDA Group NI De 11% BRL (0.69) 0.84 (0.21) 0.24

ARS (0.12) 0.15 (0.03) 0.06 58 €bn 28% 61% CLP (0.06) 0.09 (0.00) 0.00

Other (0.39) 0.48 (0.06) 0.09

EUR USD Total (2.2%) – 2.7% (1.8%) – 2.2% Latin America

-10% +10% 61

1. Sensitivity based on +/-10% USD/LOC (EUR/USD @Plan). Rounded figures Excellent credit quality and well distributed maturities

Net Debt/EBITDA of top European Utilities1 Liquidity and debt maturity by year (€bn) our longtargets term our

25

risking -

20 De

15 5 4.4x

4.5

4 3.3x 12.2% 5.7% 10.2%

3.5 22.7 10 3 2.5x 2.3x 17.73

2.5

2

5 1.5 5.6 1 6.4 0.5 3.6

0 0 2.1 2019 2022 Available 2020 2021 2022 2020-22 liquidity2 New plan Last 3 yrs Enel Average Peers Yearly refinancing on 7.5% 19.2% average gross debt

Maturities/Gross Debt Short term

62 1. The panel includes integrated European Utilities (EDP, , EDF, E.on, Innogy, , ). Source: Bloomberg estimates @ 04/03/2020 2. As of March 31st, 2020 3. Includes the short term debt. 2020-2022 Earnings & Targets Sustainable strategy delivers earnings growth of 27%

Earnings and targets andEarnings Group net ordinary income (€bn)

Steady operational growth driving net income +27% performance

7.0

6.1 6.5

5.8 6.0 5.4 Sustainable finance and managerial actions 5.6 5.5 granting adequate and cheap funding

4.8 5.0

4.5

4.0

3.5 Active portfolio management to simplify the

3.0 structure while improving value creation and

2.5 risk profile

2.0 2019 2020 2021 2022

Old Plan 64 Visible value creation for our shareholders

2019-22 2019 2020 2021 2022

Earnings growth CAGR Earnings and targets andEarnings Ordinary EBITDA (€bn) 17.9 18.6 19.4 20.1 +3.9%

Net ordinary income (€bn) 4.8 5.4 5.8 6.1 +8.3%

2019-22 Value creation CAGR

Pay-out ratio 70% 70% 70% 70% -

Implicit DPS (€/sh) 0.328 0.37 0.40 0.42 +8.6%

Minimum guaranteed DPS (€) 0.32 0.35 0.37 0.40 +7.7%

65 Closing remarks Closing remarks

Accelerating decarbonisation through renewables growth and coal phase out

Future proofing operations ahead of electrification of consumption

Solid balance sheet with ample liquidity

Sustainable value creation for all stakeholders

Significant growth opportunities beyond the plan

67 FY 2019 Consolidated results Full Year 2019 Consolidated results

March,19 2020 COVID-19 Business continuity management and risks assessment

Francesco Starace CEO COVID-19 Business continuity management: our people

Remote working trends

% of employees on remote working Remote working: c.35,300 total number of people +13x

1

0

0 52% 14,700 6,300 RoW: 14,300

0

0 4%

- Pre COVID19 Post COVID19 Crisis management: Global Task Force set up in February 2020, outbreak outbreak established also at country level with currently 17 local task forces

# of simultaneous VPN accesses (k) +7x Personnel protection: optimization of work scheduling, extension of PPE use and monitoring of health conditions

35

30

25

20 15 27.2 10 3.7 5 External suppliers: request to adopt same protection measures - Pre COVID19 Post COVID19 activated by Enel outbreak1 outbreak2

71 1. As of February 24th, 2020; 2. As of March 18th, 2020 COVID-19 Business continuity management: our assets

 100% remote operational management of  Complete remote management of all the renewable assets, 100% remote monitoring of activities, including call centers conventional generation  Customer interactions through digital channels  Optimization of power plants operation schemes only and rescheduling of maintenance activities guaranteeing business continuity  Robot process automation to minimize front-end and back-end disruption  c. 45 mn smart meters, 205k switchgears, 2,200 primary substations and 135k secondary substations remotely controlled  Digital native business

 Operations can be transferred between operating  Management and deployment of activities remotely and back up centers ensuring the reliability of the controlled in full network

100% IT portfolio core applications on cloud provide full accessibility from everywhere and scalability

72 COVID-19 Risk assessment: strategic deployment not affected, resilient business set up

Macroeconomic Risks Business Risks Financial Risks

GDP & Commodities: Prices: 2020 production sold Strong coverage and forward: Latin America leverage ratios set to  80% contracted and regulated activities 100%, Europe >80% improve over the 2020-22 protect earnings from Renewables: no material period macro economic cycle disruption in supply chain, so Limited re-financing needs far deployment in line with in the plan period  Energy margin fully target covered in 2020 Distribution: minor delays in Liquidity to cover 1.9x debt FX: 10% simultaneous smart meter installation to mature by 2022 devaluation of local Retail: well diversified and currencies against euro resilient customer base translates into max c.2% negative impact on Cost efficiencies: benefits earnings from large scale remote working and restriction in travels 73 Full Year 2019 Consolidated results

Francesco Starace CEO Key highlights of the year

Strong financial Push on Grid Free market Rating results decarbonisation digitalisation growth improvements

+11% +3 GW +5.9 mn Fitch A- EBITDA Renewables +1.2 mn Moody’s Baa2/+ Smart +17% - 4.1 GW Customers MSCI AAA meters 2.0 CDP A Net Income Coal

75 Delivering on a fully sustainable capex plan Capex increased by 17% yoy

Capex by business and by nature Capex asset development by business

3% 2% 5% 2% 18% 2% 8% 28% 39% FY 2019 FY 2019 FY 2019 10 €bn 23% 10 €bn 59% 5.9 €bn

43% 68%

Networks Enel X Asset development Networks Enel X Retail EGP Customers Conventional EGP generation Conventional Other Asset management generation

More than 90% of capex SDGs related

76 Global Power Generation

A single business line to enhance opportunities of the energy transition Decarbonisation Installed capacity and production evolution in 20191 (GW) Emission free share of production2

110.0 51% emission free 57% emission free 235 86.5 84.8 213

90.0

70.0 127 43.1 - 4.2 GW 38.9 103 FY 2018 FY 2019 -10%

50.0 260 TWh 239 TWh

30.0 3 108 43.4 + 2.5 GW 45.9 110 +6% 10.0

-10.0 FY 2018 FY 2019 2017 2018 2019 20304

CO2 emissions Renewables Thermal Generation 411 369 296 125 (g CO2/kWh) Production (TWh)

1. Rounded figures. Includes renewable managed capacity (4.2 GW in FY2018; 3.7 GW in FY 2019). 2. Emission free production includes nuclear generation and production from managed 77 Does not include nuclear (~3.3GW capacity; production of 24 TWh in FY2018 and 26 TWh in capacity (9.1 TWh in FY2018 and 10.2 TWh in FY2019) FY2019). 3. Net of asset rotation activities 4. Target certified by the Science Based Target initiative (SBTi) Renewables capacity evolution

Continued delivery on renewable growth with more than 3,000 MW built Decarbonisation Renewable capacity evolution 2019 (GW)

Total capacity 43.4 3.0 0.7 (1.3) 45.9 Capacity delivery: set new record with more than 3,000 MW built 0.1 -

(0.7) Managed 4.2 c. 2,400 MW added only capacity 3.7 in Q4 2019

2 0.7 2020 additional capacity: 4,000 MW 2.9 (0.6) ~100% already addressed Consolidated 42.2 capacity 39.2

FY 2018 Built Acquisition Disposal FY 2019 capacity 78

High level visibility on deployment goals Decarbonisation 2020-22 Renewables growth1: addressed share vs pipeline2 (GW)

35.9 GW Pipeline 2020 ~100% 35.9 GW ~~6.8x 7.4x 30.0 Coverage by year 2021 63% Residual target

25.0 2022 35% 16.2 Beyond 2022

20.0

15.0 62% addressed 14.1 19.7 2020-22 pipeline 10.0 8.8 2020-22 ~~3.7x 4.2x Residual target

5.0 5.3

0.0 Target additional Addressed Residual target Pipeline capacity

1. Includes managed capacity 79 2. As of December 2019 Focus on coal phase out

Acceleration of decarbonisation with coal capacity down by 4.1 GW Decarbonisation Coal production (TWh) Coal capacity (GW)

Coal production on total1 Coal capacity on total1 Coal production almost halved in 2019 -42% -26%

16.00 4.1 GW of coal capacity (4 power

60.00 15.00 64.4 15.8 2

14.00 plants) reduction in 2019 55.00

13.00

50.00

12.00

45.00 11.00 Revenues from coal c.3.5% on total 40.00 11.7 10.00 EBITDA from coal c.2% on total 35.00 37.6 9.00

30.00 25.7% 16.4% 8.00 18.5% 13.9%

25.00 7.00 FY 2018 FY 2019 FY 2018 FY 2019 4.3 €bn impairment

1. Does not include managed capacity and production 80 2. Reftinskaya,Tarapacà, Bastardo and Alcudia Retail

Progressive shift towards more profitable free markets Electrification

Free markets Total power customers

(mn) (mn) +1.2 Free market customers up by 1.2 mn driven by Italy 16.0 17.2 65.4 64.1

60.00 16.0 2.2 17.2 End of Italian regulated tariff: 1.7 50.00 2021 for SME, 2022 for retail

40.00 5.7 5.8 30.00 49.4 46.9 +200k regulated customers in

20.00 8.6 9.2 Latin America reaching 26.7 mn

10.00 FY 2018 FY 2019 FY 2018 FY 2019

Italy Iberia RoE Free markets Regulated markets

81 Networks Continued effort on grid digitalisation with meters 2.0 almost doubled

Electricity distributed (TWh) Smart meter 2.0 (mn)1 Enabling InfrastructureEnabling

+5.9 mn smart meters 2.0 installed +4% +82%

14.00

500.00 504 12.00 13.1 484 450.00 10.00 ~30% smart meters 2.0 on total

8.00

400.00 6.00 7.2

4.00

350.00 Fully digitalized end users

2.00 higher than 60%

300.00 - FY 2018 FY 2019 FY 2018 FY 2019

End users SAIFI (n.) 3.4 3.2 72.9 73.3 (mn) Total Smart SAIDI (min.) 312 294 43.8 44.7 Meters (mn) 82 1. FY 2018 restated Enel X Development ramp up of our value added services

New energy services Infrastructure deployment

Ecosystems and PlatformsandEcosystems Demand Response (GW) Storage (MW)

+2% +57% FY 2018 FY 2019 +63% Charging points1 (k) 49 80

6 120

6 6.3 100 6 6.2 110 80 6 Public lighting -4%

6 60 2.5 2.4 70 (mn points) 6

40

6

20 6 +55%

6 - Fiber deployment (Households passed mn) 5.1 7.9 FY 2018 FY 2019 FY 2018 FY 2019

MW awarded 5.3 in 2019

83

1. Public and private charging points Shareholder remuneration

EPS (€/sh) DPS (€/sh)

+33% +32%

+18% +17%

0.40

0.35

0.30 0.37

0.53 0.25 0.47 0.328 0.40 0.20 0.28

0.15

0.10

0.05

0.00 2018 2019 2020 2018 2019 2020

Min. guaranteed DPS 0.28 0.32 0.35

84 Full Year 2019 Financial results

Alberto De Paoli CFO Financial highlights (€mn)

EBITDA1 Net Income1 FFO Net Debt

✔ ✔ ✔ ✔ 17,905 4,767 11,630 45,175 +11% +17% +5% +10%

FY 2018 16,158 4,060 11,075 41,0892

1. Ordinary figures 86 2. As of December 31st 2018. IFRS 16 impact from January 1st, 2019 Ordinary EBITDA evolution1 Performance supported by our sustainable and integrated business model

EBITDA evolution (€bn) Ordinary EBITDA by GBL

+11% 1%

20.00 18% 0.0 0.1 0.8 46% 0.2 17.9 €bn 0.1 0.5 17.9 9% (11% yoy)

15.00 16.2

26%

0.6 0.9

10.00 EBITDA 2018E EGP Conventional Retail Networks Enel X Services&Other EBITDA 2019 Networks Enel X generation Retail EGP Conventional Decarbonisation Electrification Enablers & Platforms generation

87 1. Excludes extraordinary items in FY 2018 (+128 €mn Rete Gas Earn Out and +65 €mn EF Solar) and FY 2019 (+94 €mn Disposals of Mercure plant, +50 €mn second tranche Rete Gas Earn Out, - 205 €mn impairment coal Italy, -103 €mn impairment coal Iberia, -30 €mn price adjustment Kafireas, -7 €mn impairment coal Russia) Operational efficiency Efficiencies reached 300€mn in 2019

OPEX evolution (€mn) Efficiencies by business

-1% 8,900.0 186

8,700.0 22% 140 8,500.0 8,590 (194) 8,582 97 8,506 FY 2019 47% 8,300.0 0.3 €bn (313)

8,100.0 31%

7,900.0

7,700.0 FY 2018 Perimeter IFRS 16 FY 2018 Efficiency CPI & FX Develop. & FY 2019 & Other pro forma Customers

88

Robust sustained growth Decarbonisation EBITDA evolution (€mn) EBITDA FY 2019 by geography

4,800.00 +2% 2% 4,700.00 Higher prices more than offset

4,600.00 lower volumes 27% 4,634

4,500.00 48% 4,543 FY 2019

4,400.00 Impact from large Q4 investments 4.6 €bn 7% 4,300.00 not yet visible

4,200.00 16%

4,100.00 Positive contribution from PPA early termination for around 80 €mn

4,000.00 FY 2018 FY 2019 Italy Latin America Iberia RoW EBITDA/ 11% 11% Capex1 (%)

1. Calculated on the basis of EBITDA at regime of renewable plants with COD 2018 and 2019 89 Conventional generation and Global trading

Performance driven by higher nuclear prices and continued efficiencies Decarbonisation EBITDA evolution (€mn) EBITDA FY 2019 by geography

2,000.00 +45% 1,800.00 11% 6%

1,600.00 Higher nuclear prices and volumes 1,616 1,400.00 FY 2019

1,200.00 40% 1.6 €bn 1,000.00 1,117 Ongoing efficiency plan 43%

800.00

600.00 c.60 €mn positive impact from 400.00 ancillary services

200.00 FY 2018 FY 2019 Italy Latin America Iberia RoW 1 Opex/MW 34.0 33.4 (k€/MW)

1. Thermal generation 90 Infrastructure and Networks EBITDA growth driven by Enel DX Sao Paulo and efficiencies

EBITDA evolution (€mn) EBITDA FY 2019 by geography Enabling InfrastructureEnabling

11,000.00 +11% 10,000.00 1% Enel DX Sao Paulo consolidation 25% 9,000.00 and outstanding performance

8,000.00 8,228 FY 2019 7,000.00 47% 7,411 8.2 €bn 6,000.00 Efficiencies for 160 €mn

5,000.00 27%

4,000.00 Constructive regulatory changes in 3,000.00 Brazil and Argentina

2,000.00 FY 2018 FY 2019 Italy Latin America Iberia RoW Opex/End 43.9 42.5 users (€/cust)

91 Retail

Performance propelled by free market Electrification

EBITDA evolution (€mn) Energy sold1 (TWh)

+7% +3% Higher margins in Iberia and Latin 3,079 3,287 America 400.00

350.00 327 336 599 546 300.00

c.9% cost to serve reduction 250.00 163 172

mainly in Italy 200.00

2,53 2,68 150.00 8 100.00 3 Regulated market performance 164 164 supported by Enel Dx Sao Paulo 50.00

0.00 FY 2018 FY 2019 FY 2018 FY 2019

Ebitda/Cust. 118 = Free markets Regulated markets (€/cl)2

1. Includes energy losses; 92 2. Free market power and gas Profit & loss (€mn)

FY 2019 FY 2018 ∆ yoy

Ordinary EBITDA 17,905 16,158 +11% Higher D&A mainly due to IFRS16, consolidation of Enel DX Sao Paulo and higher investments D&A (6,809) (6,365) +7%

EBIT 11,096 9,793 +13% Lower cost of debt by around 40bps Financial expenses1 (2,413) (2,370) +2%

Results from equity investments (88) 81 n.m.

EBT 8,595 7,504 +15% Results from equity investments negatively Impacted by North America JV unwinding Income taxes (1,960) (1,864) +5%

Minorities (1,868) (1,580) +18% Higher minorities due to increasing contribution of Group net ordinary income2 4,767 4,060 +17% activities in Latin America

1. Includes other financial expenses (-101 €mn for FY 2018, -158 €mn for FY 2019) 2. Excludes extraordinary items in FY 2018 (+729 €mn: +128 €mn earn out Retegas, +64 €mn EF Solar, +646 €mn Slovenske, -98 €mn impairment, -11 €mn Income on equity Powecrop) and FY 93 2019 (-2593 €mn: +97 €mn disposals Mercure plant, +49 €mn second tranche earn out Rete Gas, -1,412 €mn coal plants and other impairments Italy, -108 €mn impairment USA, -902 €mn impairments coal plants Iberia, -151 €mn impairments coal plants Bocamina 1 and Tarapaca, -60 €mn impairment RGRES, -34 €mn Slovenske investment impairment and -4 €mn impairment of financial asset for SE disposal; -38 €mn Devaluation FUNAC; -30 €mn Price adj Kafireas) Cash flow (€bn) Solid FFO generation supports increasing capex

12.0 17.9 (1.8) 10.0 (0.0) (1.8) 8.0

6.0 (2.7)

4.0 11.6 (10.0)

2.0

- 1.7 1 3 Ordinary ∆ Provisions ∆Working Income Financial FFO Capex FCF EBITDA capital taxes expenses 2 & other

PY 16.2 (1.9) 1.1 (1.7) (2.6) 11.1 (8.5)4 2.5

Delta YoY +11% -3% -96% +7% +3% +5% +17% -34%

1. Accruals, releases, utilizations of provisions in EBITDA (i.e. personnel related and risks and charges), 2. Includes dividends received from equity investments accruals of bad debt 94 3. Funds from operations 4. Gross of BSO capex HFS Debt (€bn) Cost of debt declined by 40 bps, Net Debt impacted by FX and IFRS16

Gross debt Net debt evolution

+7% 50

48

46 1.1 61.5 4.0 57.4 44 60 42.5 (0.6) 45.2 6.7 9.0 42 1.4 50 IFRS 16 8.2 7.3 40

40 (1.7) IFRS 16 1.4 38

30 36 41.1

20 45.2 41.1 34

10 32

30 - 1 2 Jan 1, 2019 Dec 31 2019 Jan 1, 2019 FCF Dividends paid Active portfolio FX Dec 31, 2019 management Net debt Financial receivables Cash Cost of gross debt: 4.1% (-40 bps vs 2018)

1. Includes New Leasing for 0,1 €bn 95 2. Includes foreign exchange derivatives realized in the period Closing remarks

NO evidence of 2019 strong More than 50% of Ample liquidity significant financial results as our people available and impacts thanks to a consequence of a working remotely strong balance a resilient and strong operational sheet to face No disruptions on diversified execution volatile scenarios operations business mix

96 Q1 2020 Consolidated results Q1 2020 Consolidated results

May 6, 2020 Key highlights of the period

Push on Increase in Enel Chile COVID-19 Solid delivery renewables and Enel Americas

Limited +6% economic impact +420 MW built EBITDA Progress in Ongoing actions 65% emissions plan to reach +11% to support free production 65% stake Net Income people and communities

99 COVID-19 Q1 2020 business and financial evolution

Business evolution Financial evolution

th Renewables: 420 MW built in the quarter 25.9 €bn available liquidity as of April 30 2020, of which 5.8 €bn cash and 20.1 €bn committed credit lines Conventional generation and trading: neutral impact thanks to hedging, short position and 5.9 €bn long term debt maturing from May 1st up balancing services due to load volatility to the end of 2021, 4.4 times covered by liquidity2

Distribution: 1% volumes decrease in Latin Available liquidity to cover 2.1 times long term America; remuneration in Europe not impacted by debt to mature by 20222 reduction in volumes (-4% yoy)

Retail: -3% decrease in B2B volumes and +1% Strong balance sheet to withstand volatile increase in B2C volumes1 linked to COVID-19 crisis scenarios

130 €mn of negative impact on EBITDA from FX 0.4 €bn of temporary net working capital devaluation, of which 80 €mn linked to COVID- increase linked with COVID-19 crisis 19 crisis

1. Italy and Spain 100 2. Calculated on the basis of liquidity position and debt maturities as of April 30th, 2020 COVID-19 Enel at the forefront in supporting people, communities and stakeholders

Our people Communities

Around 55% of our global workforce work Over 200 initiatives: 70% to support health remotely (37,5001). Of these, 75% will work organization and 30% to mitigate impact on remotely until Christmas communities Insurance policy for all employees worldwide Around 50 €mn donations globally to hospital  First ever of its kind in the world institutions and social assistance services  Cash allowance for hospitalized employees Top management to donate around 15% of Support to employees engaged in non remotable 2020 remuneration activities through the creation of a “Vacation Day Bank” mechanism Crowdsourcing for ideas to help countries deal  20,999 days donated by Enel’s people2 with the emergency  29,700 days donated by the Company MBO targets more aligned with people safety Dunning processes suspension worldwide and business continuity 1. Daily average in the week 13-17 April 2020 101 2. As of April 30th, 2020 Delivering on a fully sustainable capex plan More than 90% capex addressed in 2020

Capex by business and by nature Asset development capex by business

Capex addressed 2% 5%3% by year 4% 2% 24% 26% 2020E 92% Q1 2020 48% Q1 2020 Q1 2020 1.9 €bn 1.9 €bn 54% 1.0 €bn 2021E 72% 40% 22% 70% 2022E 42%

Networks Enel X Asset development Networks Enel X Retail EGP Customers Conventional EGP generation Conventional Asset management generation

102 Global Power Generation – Enel Green Power

Development target on track, 65% emission free production Decarbonisation Renewable capacity evolution (GW) Emission free share of production1

45.8 Total capacity 46.0 420 MW built in the first quarter of the year 0.0 0.2

3.7 Q1 2020 3.5 Renewables production up by 9% 54 TWh Coal production down by 80%

0.4 - In 2020 ~3.2 GW in execution and ~0.4 GW fully permitted 42.1 42.5 65% emission free (+12 p.p. vs PY) FY 2019 Built Disposal Q1 2020

Consolidated capacity Managed capacity 103 1. Emission free production includes nuclear generation (7.1 TWh in Q1 2019 and 7.2 Twh in Q1 2020) and production from managed capacity (2.9 TWh in Q1 2019 and 2.5 TWh in Q1 2020) Operational efficiency Efficiencies doubled in Q1 versus PY, reaching around 80 €mn

OPEX evolution (€mn) Efficiencies by business

-4%

2,510.0 9% 17 4 2,010.0 14% 2,112 (27) (78) 2,028

1,510.0 Q1 2020 (356) 1,672 58% 78 €mn 1,010.0 19%

510.0

10.0 Q1 2019 CPI & FX Efficiency Develop. & Perimeter Q1 2020 Spain Q1 2020 Customers pro forma provision reversal

104 Q1 2020 Financial results Financial highlights (€mn)

EBITDA1 Net Income1 FFO Net Debt

4,741 1,281 2,061 47,097 +6% +11% -17% +4%

Q1 2019 4,454 1,159 2,484 45,1752

1. Ordinary figures 106 2. As of December 2019 Ordinary EBITDA evolution 9% EBITDA growth net of FX devaluation

EBITDA evolution (€bn)1 Ordinary EBITDA by GBL1

+6%

20% 0.01 41% 5.00 0.09 0.08 0.13 4.7 €bn (0.02) 4.74 4.45 (+6% yoy) 15%

24% 0.14

0.00 Networks EGP Q1 2019 Global Power Retail Networks Enel X Services&Other Q1 2020 Generation Retail Conventional generation

Decarbonisation Electrification Enablers & Platforms

107 1. Excludes extraordinary items in Q1 2019 (+94 €mn Disposals of Mercure plant) and Q1 2020 (-33 €mn COVID-19) Global Power Generation

Performance supported by renewables volumes and ongoing efficiencies Decarbonisation EBITDA evolution (€mn)1 EBITDA by geography1

2,500 +5% Solid contribution from new renewables 6% capacity and hydro recovery 2,000 1,749 1,834 26% 32% Q1 2020 1,500 Benefit from short position 501 695 1.8 €bn and balancing services

1,000 7% Q1 ‘19: 260 €mn PPA early 29% 1,248 1,139 500 termination and JV unwinding Q1 ‘20: 170 €mn provision reversal

- Italy Latin America Q1 2019 Q1 2020 70 €mn from adverse FX scenario Iberia RoW in Latin America North America

1. Includes Nuke and Trading 108 GPG - Enel Green Power

+7% underlying operating performance thanks to new capacity and volumes Decarbonisation EBITDA evolution (€mn) EBITDA by geography

-9% Positive contribution from capacity 5% developed at end of 2019 1,200.00 1,248 31% 1,100.00 Q1 2020 1,139 Volumes recovery led by hydro 45% 1,000.00 1.1 €bn (+1.3 TWh) at hedged prices 900.00

800.00 9%

700.00 Q1 ’19: 180 €mn from JV unwinding 10%

600.00 and PPA early termination

500.00

400.00 Italy Latin America Q1 2019 Q1 2020 50 €mn negative effect from Iberia RoW FX devaluation North America

109 GPG - Conventional generation and trading

Hedging, short position and balancing services Decarbonisation EBITDA evolution (€mn) EBITDA by geography

900.00 +39% 800.00 8% Benefit from short position and 11%

700.00 balancing services 19%

600.00 695 Q1 2020

500.00 Q1 ’19: 80 €mn PPA early termination 0.7 €bn

400.00 501 Q1 ‘20: 170 €mn provision rev. Spain

300.00 62% 200.00 Ongoing efficiencies more than 100.00 offset 20 €mn FX devaluation

- Q1 2019 Q1 2020 Italy Latin America Iberia RoW

110 Infrastructure and Networks Stable performance thanks to protective regulatory framework

EBITDA evolution (€mn) EBITDA by geography Enabling InfrastructureEnabling

2,100.00 +7% 2,050.00 European regulatory framework 1% 2,000.00 protecting against dropping volumes 33%

1,950.00 1,958 1,900.00 Q1 2020 Limited impact from 1% decline in 44% 1,850.00 2.0 €bn Latin America volumes 1,800.00 1,826 1,750.00 22%

1,700.00 Q1 ‘20: 180 €mn provision

1,650.00 reversal in Spain

1,600.00 Q1 2019 Q1 2020 Italy Latin America c. 60 €mn negative impact from Iberia RoW FX devaluation

111 Retail

Strong performance, shift in demand from B2B to B2C Electrification

EBITDA evolution (€mn) Free Market – Energy sold (TWh)1

-6%

+9% 17.2 16.2 Improved performance led by 861 941 free markets (+10%) 4.1 4.5 151 Italy 146 13.1 11.7 Higher margins in Iberia Q1 2019 Q1 2020 B2C 715 790 -3% c. 8% cost to serve reduction B2B in Italy and Spain 21.1 20.4 5.4 5.1 Q1 2019 Q1 2020 Spain 15.7 15.3

Free markets Regulated markets Q1 2019 Q1 2020

1. Includes energy losses; 112 Profit & loss (€mn)

1Q 2020 1Q 2019 ∆ yoy

Ordinary EBITDA 4,741 4,454 +6%

D&A (1,607) (1,567) +3% D&A slightly increase due to investments growth, partially offset by coal impairments effects EBIT 3,134 2,887 +9%

Financial expenses1 (618) (647) -4% Lower cost of debt by around 20 bps Results from equity investments 14 (63) n.m. vs year end 2019 EBT 2,530 2,177 +16%

Income taxes (809) (624) +30% Higher taxes mainly due to higher EBT and positive deferred tax asset in 2019 Minorities (440) (394) +11%

Group net ordinary income2 1,281 1,159 +11%

1. Includes other financial expenses (-70 €mn in Q1 2019, -73 €mn in Q1 2020) 2. Excludes extraordinary items in Q1 2019 (+97 €mn disposals Mercure plant) and in Q1 2020 (-34 €mn: -3 €mn write-down of Funac in Brazil, -17 €mn Slovenske investment impairment, -22 €mn 113 donations and other cost due to COVID-19, +8 €mn reversal impairment on coal plants in Iberia) Cash 8.0 flow (€bn)

7.0

6.0

5.0

4.7 4.0 (0.4) (0.4)

3.0 0.0

2.0 (1.5) ((0.4) 2.1

1.0 (1.9) 0.2

-

3 Ordinary ∆ Provisions 1 Provision ∆Working Income Financial FFO Capex FCF EBITDA reversal in capital taxes expenses 2 Spain & other

PY 4.5 (0.3) (1.1) (0.2) (0.4) 2.5 (1.9) 0.6

Delta YoY +6% -65% -32% n.a. -6% -17% - -69%

1. Accruals, releases, utilizations of provisions in EBITDA (i.e. personnel related and risks and charges), accruals of bad debt 2. Includes dividends received from equity investments 114 3. Funds from operations Debt (€bn)

Gross debt Net debt evolution

+2% 50

48 0.1 2.2 61.5 63.0 46

44 (0.2) 60 47.1 9.0 7.6 45.2

42 50 (0.2) 7.3 8.3

40

40

38

30 47.1 36 20 45.2

34

10

32

-

30 Dec 31, 2019 Mar 31, 2020 Dec 31, 2019 FCF Dividends paid Active portfolio 1 FX 2 Mar 31, 2020 management Net debt Financial receivables Cash

Cost of gross debt: 3.9% (-20 bps vs year end 2019)

1. Includes New Leasing for 0,07 €bn 115 2. Includes foreign exchange derivatives realized in the period Liquidity position Business continuity supported by solid liquidity position

Liquidity Position1 Debt maturities1

19.0

17.0 14.9 15.0 Liquidity of 25.9 €bn covers 2.1x 5.8 2.2 13.0 LT debt maturities in the plan

11.0 8.9 25.9 €bn 9.0 Limited re-financing needs with only 6.4 7.0 5.9 €bn LT debt maturing in 2020-21 12.7 20.1 5.0 6.9 3.9 1.7

3.0 2.2 4.7 Diversified and balanced cash 1.0 1.2 0.8 1.7 allocation to minimize counterparty risk Available committed -1.0 2020 2021 2022 2023-24 credit lines

Cash Short term Bank Loans & Others Bonds

1. As of April 30th, 2020 116 Closing remarks

Solid underlying Early management AGM to be held as Robust and th Q1 performance in actions to support expected on May 14 , integrated business set to approve spite of COVID-19 business continuity model to absorb dividend payment in crisis to support post lockdown temporary shocks July and a new year end delivery through December remuneration policy

117 2020-2022 Annexes Agenda

Page

Macro scenario 121

Conventional generation 124

EGP 127 Financial annexes Infrastructure & Networks 131

Retail 135

Enel Group 140

2020 – 2022 Sustainability Plan 148

Focus on People Centricity 150 ESG annexes Focus on Corporate Governance 153

Focus on Innovation & Cybersecurity 159 119 2020-2022 Financial annexes 2020-2022 Macro scenario

GDP, CPI, FX

scenario Macro Macro

GDP (%) CPI (%) FX against €1 2020 2021 2022 2020 2021 2022 2020 2021 2022 Italy 0.5 0.6 0.7 1.3 1.5 1.7 n. m. n. m. n. m. Iberia 2.0 1.7 1.5 1.7 1.8 1.9 n. m. n. m. n. m. Latin America

Argentina (1.3) 1.4 1.8 48.6 34.8 22.9 77.8 95.2 115.2

Brazil 2.6 2.6 2.5 4.1 3.9 3.7 4.4 4.5 4.7

Chile 3.0 2.9 2.9 3.0 3.0 3.0 753 752 752

Colombia 3.2 3.2 3.3 3.0 3.0 3.0 3,768 3,868 3,908

Peru 3.8 3.9 3.9 2.3 2.5 2.5 3.9 3.9 3.9 Rest of Europe

Romania 2.3 2.1 2.0 2.8 2.6 2.6 4.8 4.9 4.9

Russia 1.7 1.7 1.5 4.0 3.7 4.0 72.6 72.0 72.3 North America

USA 1.9 1.8 1.9 2.0 2.0 2.0 1.2 1.2 1.2

1. Year end 122

Commodities’ prices

scenario Macro Macro

2019 2020 2021 2022 Gas TTF (€/MWh) 13.5 19.2 19.5 19.7 Gas Henry Hub ($/mmbtu) 2.5 3.1 3.1 3.1 Gas PSV (€/MWh) 16.0 20.9 21.1 21.3 Oil Brent ($/bbl) 64.1 65.0 65.0 66.0 Coal API2 ($/ton) 61.0 75.0 76.0 78.0

CO2 (€/ton) 24.8 23.5 24.0 24.5

123 2020-2022 Conventional generation Installed capacity1 (GW)

By technology By geography

8% 9% 32% Conventional generationConventional 34% 35% 12% 15% 2019 2022 41% 2019 2022 29% 42.2 GW 32% 36.5 GW 42.2 GW 36.5 GW 18% 21% 38% 30% 28% 18%

Nuke CCGT Coal Oil & Gas Italy Latin America Iberia Rest of Europe

Nuke CCGT Coal Oil & Gas Total 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 Italy - - - - 4.5 4.6 4.6 4.6 6.2 6.2 6.2 5.6 2.7 2.4 2.4 2.4 13.5 13.2 13.2 12.6 Iberia 3.3 3.3 3.3 3.3 5.5 5.5 5.5 5.5 4.8 2.8 0.2 0.2 2.3 2.3 2.3 2.1 16.0 13.9 11.3 11.1 Latin America - - - - 4.2 4.2 4.2 4.2 0.7 0.7 0.7 0.7 2.7 2.7 2.7 2.7 7.5 7.5 7.5 7.5 Rest of Europe - - - - 0.8 0.8 0.8 0.8 - - - - 4.4 4.4 4.4 4.4 5.3 5.3 5.3 5.3 North America ------, & Oceania ------Total 3.3 3.3 3.3 3.3 15.0 15.0 15.0 15.0 11.7 9.6 7.1 6.6 12.2 11.9 11.8 11.6 42.2 39.9 37.3 36.5

1. Rounded figures. Latin America includes: , Costa Rica, Guatemala and Panama. Rest of Europe includes: Romania, Russia, and Bulgaria. North America includes: Mexico, 125 USA and Canada. Africa, Asia & Oceania includes: South Africa, India and Zambia Production1 (TWh)

By technology By geography

20% 25% 17% 24% Conventional generationConventional

16% 18% 2019 22% 2022 25% 2019 2022 129.7 TWh 35% 106.0 TWh 129.7 TWh 40% 106.0 TWh 37% 15% 43% 29% 16% 18%

Nuke CCGT Coal Oil & Gas Italy Latin America Iberia Rest of Europe

Nuke CCGT Coal Oil & Gas Total 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 Italy - - - - 9.6 11.0 10.0 9.0 12.8 16.9 17.8 16.0 0.3 0.1 0.1 0.1 22.6 28.1 28.0 25.1 Iberia 26.3 26.4 26.1 26.5 11.7 9.2 10.1 11.1 7.6 8.5 3.3 0.1 5.7 8.7 8.5 8.4 51.3 52.8 48.0 46.1 Latin America - - - - 17.9 14.8 14.2 13.3 3.9 2.0 1.0 0.8 1.6 1.9 2.4 2.0 23.4 18.6 17.6 16.2 Rest of Europe - - - - 5.8 4.9 5.7 5.8 13.3 - - - 13.3 12.8 12.7 12.9 32.4 17.7 18.4 18.7 North America ------Africa, Asia & Oceania ------Total 26.3 26.4 26.1 26.5 45.0 40.0 40.0 39.2 37.6 27.3 22.1 16.9 20.9 23.5 23.8 23.4 129.7 117.3 112.0 106.0

1. Rounded figures 126 2020-2022 EGP 1

EGP Consolidated capacity (GW)

By technology By geography

2% 2% 13% 15% 7% 27% 52% 2% 33% 2% 16% 3% 2019 67% 2022 2019 2022 42.2 GW 1% 54.2 GW 42.2 GW 54.2 GW 24% 32% 34% 19% 31% 18%

Italy Latin America North America Hydro Wind Solar & Other Geothermal Iberia Rest of Europe Africa, Asia & Oceania

Hydro Wind Geothermal Solar & Other Total 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 Italy 12.4 12.4 12.4 12.5 0.8 0.8 1.0 1.3 0.8 0.8 0.8 0.8 0.0 0.0 0.0 0.2 14.0 14.0 14.2 14.7 Iberia 4.7 4.8 4.8 4.8 2.3 2.5 2.6 3.2 - - - - 0.4 0.6 1.4 2.2 7.4 7.9 8.8 10.2 Latin America 10.6 10.6 10.6 10.7 1.6 2.4 3.3 3.7 0.0 0.1 0.1 0.1 1.5 2.3 3.2 4.0 13.7 15.3 17.2 18.5 Rest of Europe 0.0 0.0 0.0 0.0 0.9 1.0 1.2 1.2 - - - - 0.1 0.1 0.1 0.1 1.0 1.1 1.3 1.3 North America 0.1 0.1 0.1 0.1 4.4 5.6 6.1 6.6 0.1 0.1 0.1 0.1 0.7 0.9 1.1 1.3 5.3 6.7 7.4 8.0 Africa, Asia & Oceania - - - - 0.4 0.5 0.5 0.5 - - - - 0.4 0.8 0.8 0.9 0.8 1.3 1.3 1.4 Total 27.8 27.9 27.9 28.1 10.3 12.7 14.6 16.4 0.9 0.9 0.9 0.9 3.1 4.8 6.7 8.8 42.2 46.3 50.1 54.2

1. Rounded figures 128 1

EGP Consolidated production (TWh)

By technology By geography

2% 2% 13% 18% 4% 45% 24% 19% 6% 12% 2% 2019 63% 2022 2019 2022 5% 2% 12% 99.4 TWh 143.3 TWh 99.4 TWh 143.3 TWh 10% 27% 49% 38% 47%

Italy Latin America North America Hydro Wind Solar & Other Geothermal Iberia Rest of Europe Africa, Asia & Oceania

Hydro Wind Geothermal Solar & Other Total 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 Italy 17.2 17.3 17.2 17.0 1.4 1.3 1.5 2.2 5.7 5.6 5.6 5.7 0.0 0.1 0.1 0.3 24.3 24.3 24.4 25.2 Iberia 5.9 6.9 6.9 6.9 4.1 5.7 6.4 7.6 - - - - 0.1 0.7 1.7 3.3 10.1 13.3 15.0 17.8 Latin America 39.2 41.9 42.6 42.9 6.3 6.7 11.4 14.7 0.2 0.4 0.6 0.6 2.8 4.1 7.0 9.6 48.4 53.1 61.5 67.8 Rest of Europe 0.0 0.0 0.0 0.0 1.8 2.2 2.5 3.3 - 0.0 0.0 0.0 0.2 0.2 0.2 0.2 2.0 2.4 2.7 3.5 North America 0.2 0.3 0.3 0.3 12.1 18.9 21.6 23.4 0.3 0.4 0.3 0.3 0.3 1.7 2.1 2.6 12.9 21.2 24.3 26.6 Africa, Asia & Oceania - - - - 1.0 1.2 1.0 1.0 - - - - 0.6 1.3 1.4 1.5 1.6 2.5 2.3 2.5 Total 62.6 66.4 66.9 67.1 26.7 36.1 44.4 52.2 6.1 6.3 6.6 6.6 4.0 8.0 12.4 17.4 99.4 116.8 130.3 143.3

1. Rounded figures C 129 1

EGP Consolidated additional capacity and pipeline (GW)

Consolidated additional capacity by technology COD 2020-2022 Pipeline by geography

1% Wind

2020-22 Solar COD 50% 49% 11.62 GW 2020 2021 2022 Total Hydro Italy 0.0 0.5 1.6 2.1 Iberia 0.1 1.0 1.8 2.9 Latin America - 0.3 4.8 5.1 Rest of Europe 0.0 0.0 0.3 0.3 Consolidated additional capacity by geography North America 0.0 2.4 4.2 6.7 Africa, Asia & Oceania 0.0 0.3 2.3 2.6 2%6% Total 0.1 4.6 15.0 19.7 22% Italy 24% 2020-22 Iberia 3% 11.62 GW Latin America Rest of Europe North America 43% 1. Rounded figures 130 Africa, Asia & Oceania 2. Excluding Jvs for 2.5 GW 2020-2022 Infrastructure & Networks

Electricity distributed, End users, Smart meters1 Infrastructure & Networks & Infrastructure

Electricity distributed (TWh) End users (mn) Smart meters (mn) 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 Italy 224.6 226.5 226.8 227.1 31.5 31.5 31.5 31.6 31.4 31.4 31.4 31.6 Iberia 126.5 127.0 128.4 129.8 12.2 12.3 12.4 12.4 12.2 12.3 12.4 12.5 Latin America 137.3 139.8 143.5 147.1 26.7 27.1 27.6 28.1 0.4 0.6 1.1 1.6 Rest of Europe 15.7 16.0 16.2 16.4 2.9 2.9 3.0 3.0 0.7 0.8 1.0 1.2 Total 504.0 509.3 514.9 520.4 73.3 73.8 74.4 75.1 44.7 45.1 45.9 46.8

1. Rounded figures 132 Current regulatory framework in Europe1

Italy Iberia Romania

WACC real pre tax Infrastructure & Networks & Infrastructure 5.9% 6.0% 6.9% 2019

Next Regulatory 20242 2026 2024 Period

Regulatory Period 4+4 6 5 Length (years)

Metering Owned by Owned by Owned by Ownership DSO DSO DSO

Smart meter Yes No Yes inclusion in RAB

1. As of February 2020 133 2. WACC review by 2022 Current regulatory framework in Latin America1

Argentina Brazil Chile Colombia

WACC real pre tax 2 Infrastructure & Networks & Infrastructure 12.5% 12.3% 10.0% 11.79% 12.0%2 2019

Next Regulatory 2022 2023 Nov 2020 2024 Nov 2022 Period

Regulatory Period 5 (Rio, Goias) 5 4 5 4 Length (years) 4 (Ceará, São Paulo)

Metering Owned by Owned by Owned by Owned by Owned by Ownership DSO DSO users/DSO users/DSO users4

Smart meter Yes Yes No No 4 inclusion in RAB3 No

1. February 2020 134 2. Return rate before taxes 3. Chile and Peru uses a Price Cap based on VNR (NRC – New Replacement value) 4. Excluding a pilot project approved by the local regulator, involving 10k smart meters, which will be included in Enel assets base from 2021 2020-2022 Retail

Power & gas customers and volumes1 Retail

Power Gas Customers (mn) Volumes (TWh) Customers (mn) Volumes (bsmc) 2019 2022 2019 2022 2019 2022 2019 2022 Italy 23.7 18.5 97.5 92.6 4.1 4.4 4.7 4.7 Free Market 9.2 18.5 62.0 92.6 4.2 4.4 4.7 4.7 Regulated 14.4 - 35.6 - - - - - Iberia 10.6 10.7 89.4 103.1 1.6 1.8 5.7 5.6 Free Market 5.8 6.6 78.1 90.2 1.4 1.6 5.6 5.4 Regulated 4.8 4.1 11.4 12.9 0.2 0.2 0.1 0.1 Latin America 26.7 29.2 105.0 180.9 - 0.0 - 0.5 Rest of Europe 3.1 3.9 9.7 12.9 0.1 0.2 0.0 0.3 Total 64.1 62.2 301.7 389.5 5.9 6.5 10.5 11.1

1. Rounded figures 136

Power unitary margin and opex per client Retail

Power unitary margin Opex per client (€/MWh)1 (€/customer) 2019 2022 2019 2022 Italy 22.3 20.2 26.0 22.9 Iberia 10.5 9.8 35.5 30.5 Latin America 3.8 3.0 14.4 12.5 Rest of Europe 6.3 10.4 16.2 11.3

1. Includes only power free market 137 Italian power market 2019

Customers (mn) Energy sold (TWh)

Enel Enel Enel Enel market share1 market share2 market share1 market share2

40% 18.5 36.8 239.3 286.2 4.5 7.2 53% 24% 18.3 14.0 205.3 220.1 2.8 29.5 47% 46.8 15.5 34.1 14.8 66.1 32.0 Regulated 79% Free 50% Total Regulated Free Total 84% 27% Business Residential

1 Enel estimate based on closing 2018; % calculated on Total Italian Regulated Market 2 Enel estimate based on closing 2018; % calculated on Total Italian Free Market (not including Last Resort - “Salvaguardia”) Spanish power market 2019

Customers (mn) Energy sold (TWh)

Enel Enel market share1 market share1 18.3 29.4 226.6 253.9 30% 55.3 32% 81.2

17.4

28.5 171.4 11.2 33% 0.9 172.7 31% 11.2 27.3 26.0 0.0 0.9 1.3 Regulated 48% Free 34% Total Regulated 43% Free 30% Total

Business Residential

139 1. Customers: CNMC “Informe de supervision de los cambios de comercializador 1Q-19 published october2019 2. Energy sold: Internal estimation based on “sectorial energy daily forecast system” 2020-2022 Enel Group

Gross Capex1 (€bn) Enel Group Enel Cumulated gross capex by GBL2 Cumulated gross capex by geography3

10%1% 4% 41% Networks 3% Italy 4% Retail 32% Iberia 7% Latin America 28.7 €bn Conventional generation 28.7 €bn Enel X 32% Rest of Europe EGP North America 44% 22% Africa, Asia & Oceania

Global Generation Conventional Generation Global Infrastructures Services EGP Retail Enel X Total & Trading & NetworNs & Other 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 Italy 0.2 0.1 0.2 0.3 0.6 0.8 1.9 1.8 1.8 0.3 0.3 0.2 0.1 0.1 0.1 0.1 0.1 0.1 2.8 3.0 3.3 Iberia 0.4 0.3 0.2 0.6 1.0 1.4 0.6 0.7 0.7 0.1 0.1 0.1 0.0 0.1 0.1 0.0 0.0 0.0 1.8 2.1 2.4 Latin America 0.2 0.1 0.2 2.0 1.5 1.0 1.4 1.3 1.3 0.1 0.0 0.0 0.1 0.1 0.1 0.0 0.0 0.0 3.7 3.0 2.6 Rest of Europe 0.1 0.0 0.0 0.2 0.1 0.1 0.1 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 - - - 0.4 0.3 0.3 North America 0.0 0.0 0.0 1.1 0.8 0.7 ------0.1 0.0 0.0 - - - 1.2 0.9 0.8 Africa, Asia & Oceania - - - 0.1 0.1 0.1 ------0.0 0.0 0.0 - - - 0.1 0.1 0.1 Other 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 - - - 0.1 0.1 0.0 0.0 (0.1) (0.1) 0.2 0.0 0.0 Total 0.7 0.5 0.6 4.4 4.0 4.1 4.0 4.0 3.9 0.4 0.4 0.4 0.4 0.4 0.3 0.2 0.0 0.0 10.1 9.3 9.3 Total Capex 2020 - 2022 1.9 12.5 11.8 1.2 1.1 0.2 28.7 141 1. Rounded figures 2. Services & Other is not included in the breakdown 3. Other is not included in the breakdown

Asset development capex1 (€bn) Enel Group Enel Cumulated asset development capex by GBL2 Cumulated asset development capex by geography3

27% 15% 1% 3% Networks Italy 4% 29% Retail 3% Iberia Conventional generation Latin America 17.2 €bn 17.2 €bn Enel X Rest of Europe EGP 32% North America 20% 66% Africa, Asia & Oceania

Global Generation Conventional Generation Global Infrastructures Services EGP Retail Enel X Total & Trading & NetworNs & Other 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 Italy 0.1 0.1 0.2 0.2 0.4 0.6 1.0 1.0 0.9 - - - 0.1 0.1 0.1 0.0 0.0 0.0 1.5 1.7 1.9 Iberia 0.0 0.0 0.0 0.6 0.9 1.3 0.2 0.2 0.1 - - - 0.0 0.0 0.0 - - - 0.8 1.2 1.5 Latin America 0.0 0.0 0.0 1.9 1.4 0.9 0.4 0.4 0.3 - - - 0.1 0.0 0.1 - - - 2.4 1.8 1.3 Rest of Europe 0.0 0.0 0.0 0.2 0.1 0.1 0.1 0.0 0.0 - - - 0.0 0.0 0.0 - - - 0.3 0.2 0.1 North America - - - 1.1 0.8 0.7 ------0.0 0.0 0.0 - - - 1.1 0.8 0.7 Africa, Asia & Oceania - - - 0.1 0.0 0.1 ------0.1 0.0 0.1 Other ------0.0 0.0 (0.1) 0.0 (0.2) (0.1) 0.0 0.0 -0.1 Total 0.2 0.2 0.3 4.0 3.7 3.7 1.7 1.6 1.4 - - - 0.2 0.2 0.1 0.0 (0.1) (0.1) 6.2 5.5 5.5 Total Capex 2020 - 2022 0.7 11.5 4.7 - 0.5 (0.2) 17.2 142 1. Rounded figures 2. Services & Other is not included in the breakdown 3. Other is not included in the breakdown

Asset management capex1 (€bn) Enel Group Enel Cumulated asset management capex by GBL2 Cumulated asset management capex by geography3

2% Networks 3% Italy 30% Iberia 20% Retail 64% 36% Latin America 6.5 €bn Conventional generation 6.5 €bn Rest of Europe 16% EGP North America 29% Africa, Asia & Oceania

Global Generation Conventional Generation Global Infrastructures Services EGP Retail Enel X Total & Trading & NetworNs & Other 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 Italy 0.0 0.0 0.0 0.1 0.1 0.1 0.4 0.4 0.4 ------0.1 0.1 0.0 0.6 0.6 0.6 Iberia 0.3 0.3 0.2 0.1 0.1 0.1 0.2 0.3 0.3 ------0.0 0.0 0.0 0.6 0.6 0.6 Latin America 0.1 0.1 0.2 0.1 0.1 0.1 0.6 0.5 0.5 ------0.0 0.0 0.0 0.8 0.7 0.8 Rest of Europe 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ------0.1 0.1 0.1 North America 0.0 0.0 0.0 0.0 0.0 0.0 ------0.0 0.0 0.0 Africa, Asia & Oceania - - - 0.0 0.0 0.0 ------0.0 0.0 0.0 Other 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ------0.0 0.0 0.0 0.1 0.0 0.0 Total 0.5 0.4 0.4 0.3 0.3 0.3 1.3 1.3 1.4 ------0.1 0.1 0.1 2.3 2.1 2.1 Total Capex 2020 - 2022 1.2 1.0 3.9 - - 0.4 6.5

1. Rounded figures 143 2. Services & Other is not included in the breakdown 3. Other is not included in the breakdown

Customers capex1 (€bn) Enel Group Enel Cumulated customers capex by GBL2 Cumulated customers capex by geography3

2% 5% Networks 1% Italy 12% Iberia 43% 5.0 €bn 64% Retail 31% 5.0 €bn Latin America Rest of Europe 24% Enel X North America 18% Africa, Asia & Oceania

Global Generation Conventional Generation Global Infrastructures Services EGP Retail Enel X Total & Trading & NetworNs & Other 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 2020 2021 2022 Italy ------0.4 0.4 0.4 0.3 0.3 0.2 0.0 0.0 0.0 - - - 0.7 0.7 0.7 Iberia ------0.2 0.2 0.2 0.1 0.1 0.1 0.0 0.0 0.0 - - - 0.3 0.3 0.3 Latin America ------0.4 0.4 0.4 0.1 0.0 0.0 0.0 0.0 0.0 - - - 0.5 0.5 0.5 Rest of Europe ------0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 - - - 0.1 0.1 0.1 North America ------0.0 0.0 0.0 - - - 0.0 0.0 0.0 Africa, Asia & Oceania ------0.0 0.0 0.0 - - - 0.0 0.0 0.0 Other ------0.0 0.1 0.1 - - - 0.0 0.1 0.1 Total ------1.1 1.1 1.1 0.4 0.4 0.4 0.2 0.2 0.2 - - - 1.7 1.7 1.7 Total Capex 2020 - 2022 - - 3.2 1.2 0.6 - 5.0

1. Rounded figures 144 2. Services & Other is not included in the breakdown 3. Other is not included in the breakdown

Ordinary EBITDA1 Enel Group Enel By GBL2 By geography3

20.1 17.9 20.1 17.9 4% Italy Networks 3% 43% 3% 4% Iberia Retail 33% 46% 29% Latin America Conventional generation 17% 21% Rest of Europe Enel X 21% 18% 8% North America 9% 2% EGP 1% 42% 39% Africa, Asia & Oceania 26% 29%

2019 2022 2019 2022 Conventional Generation Global Infrastructures Services EGP Retail Enel X Total & Trading & NetworNs & Other 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 Italy 0.1 0.1 0.2 0.2 1.2 1.3 1.4 1.4 3.9 3.7 3.7 3.9 2.3 2.3 2.3 2.3 0.0 0.0 0.1 0.1 0.2 0.2 0.2 0.2 7.7 7.6 7.8 8.0 Iberia 0.7 0.7 0.7 0.7 0.4 0.5 0.6 0.7 2.0 1.9 1.9 1.8 0.7 0.7 0.7 0.8 0.0 0.0 0.0 0.1 0.1 0.1 0.1 0.1 3.9 3.8 4.0 4.2 Latin America 0.6 0.4 0.5 0.5 2.2 2.4 2.6 2.8 2.3 2.6 2.7 3.0 0.2 0.4 0.4 0.4 0.1 0.1 0.1 0.1 (0.1) (0.1) (0.1) (0.1) 5.3 5.8 6.3 6.8 Rest of Europe 0.2 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.0 0.1 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 0.5 0.5 0.6 North America 0.0 0.0 0.0 0.0 0.7 0.7 0.8 0.8 - - - - 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 - - - - 0.8 0.7 0.8 0.8 Africa, Asia & Oceania - - - - 0.1 0.1 0.1 0.1 ------0.0 0.0 0.0 0.0 - - - - 0.1 0.1 0.1 0.1 Other 0.0 0.1 0.1 0.1 0.0 (0.1) (0.1) (0.1) 0.0 0.0 0.1 0.1 - - - - 0.0 0.1 0.1 0.1 (0.1) (0.1) (0.3) (0.7) (0.3) 0.0 (0.1) (0.5) Total 1.6 1.4 1.6 1.7 4.6 5.1 5.6 5.9 8.2 8.3 8.5 8.9 3.3 3.4 3.5 3.6 0.2 0.2 0.4 0.5 0.0 0.1 (0.2) (0.5) 17.9 18.6 19.4 20.1 Total EBITDA 2020 - 2022 4.7 16.6 25.7 10.5 1.1 (0.6) 58.0 1. Rounded figures 145 2. Services & Other is not included in the breakdown 3. Other is not included in the breakdown

Baseload power price & production sold forward Enel Group Enel

Baseload price 2020 2021 Italy (€/MWh) 60.2 59.8 Iberia (€/MWh) 55.0 55.4

Production sold forward 2020 2021 2022 price % price % price % Italy (€/MWh)1 57.1 100% 51.6 50% - - Iberia (€/MWh)1 73.5 100% 74.5 80% - - Brazil (USD/MWh) 63.5 100% 60.1 100% 60.6 100% Chile (USD/MWh) 79.0 100% 76.0 100% 70.1 100% Colombia (USD/MWh) 68.7 100% 72.5 85% 67.1 80% Peru (USD/MWh) 56.7 100% 57.8 100% 60.1 100%

1. Average hedged price; wholesale price for Italy and Spain. As of 31 March 2020 146 2020-2022 Environmental, Social and Governance annexes 2020-2022 Sustainability Plan Sustainable business model, driving change through

innovation

2022 Sustainability PlanSustainability2022

- 2020

149 Enel public committment to (7.1, 4, 8, 13) 2020-2022 Focus on People Centricity Engaging People we work with

Plan actions 2019 2020-2022 targets

Promotion of digital skills’ dissemination 46% of people involved in digital 100% of people involved in digital Focus on People CentricityPeopleonFocus among all employees skills training skills training

Gender - % of women in selection 42% women involved 50% women involved in processes1 in recruiting processes recruiting processes

• 100% of people involved • 100% of people involved Performance appraisal2 • 99% of people appraised3 • 99% of people appraised

• 100% of people involved • 100% of people involved Climate survey2 • 86% of people participating • 87% of people participating

151 1. Selection processes involving blue collar workers and the USA perimeter are not included as local legislation to protect anti-discrimination practices in the recruiting phase does not allow to monitor this data. 2. Eligible and reachable people having a permanent contract and working in the Group for at least 3 months during 2019 3. Forecast data, since the closure of the assessment process has been postponed to May 2, 2020 due to the Covid-19 crisis. Engaging local Communities

Plan actions 20191 2020-2022 targets

Focus on People CentricityPeopleonFocus High-quality, inclusive and fair education 1.3 mn beneficiaries 2.5 mn beneficiaries in 20301

Access to affordable and clean energy 7.9 mn beneficiaries 10.0 mn beneficiaries in 20301

Employment and sustainable 2.1 mn beneficiaries 8.0 mn beneficiaries in 20301 and inclusive economic growth

152 1. Cumulated figures since 2015 2020-2022 Focus on Corporate Governance Corporate governance structure

78%

Shareholders’ meeting Audit firm BoD’s

composition Focus on Corporate GovernanceCorporateonFocus 11% 11%

1 Board of Statutory Auditors (3 members) Non executive Executive (9 members2) Independent

Nomination and Control and Risks Related Parties Committee Corporate Governance and Compensation Committee Committee Sustainability Committee

1. Chair can be considered independent in accordance with Unified Financial Act criteria 154 2. Out of which 3 Directors drawn from the slate filed by a group of mutual funds and other institutional investors Board composition

Board of Directors Board of Directors’ diversity

Chair Michele Crisostomo 33% (C) Corp. Governance & Sust. C. 44% CEO and Age Gender Focus on Corporate GovernanceCorporateonFocus Francesco Starace General Manager diversity 22% diversity 45% 56% (C) Control & Risks C. Cesare Calari Nomination & Compensation C. 48-52 53-56 57-66 Male Female Costanza Esclapon Corp. Governance & Sust. C. de Villeneuve Nomination & Compensation C. 22% 3 Control & Risks C. 1 3 Samuel Leupold Related Parties C. 4 Tenure 11% Skill Control & Risks C. Alberto Marchi diversity diversity (C) Nomination & Compensation C. 6 67% 5 Corp. Governance & Sust. C. Mariana Mazzucato Related Parties C. 1-3 years 4-6 years Energy Control & Risks C. Mirella Pellegrini Over 6 years Accounting, Finance & Risk Management Related Parties C. Strategy Nomination & Compensation C. Anna Chiara Svelto Expertise in Intl. Environment (C) Related Parties C. Legal & Corporate Governance Non executive Executive Independent (C) Chair Communication & Marketing CEO’s short-term variable remuneration1

Macro objective Objective Type of target

Weight2 Entry (50%) Target (100%) Over (150%) Ordinary consolidated Profitability 35% 5.25 €bn 5.35 €bn 5.41 €bn Economic

net income Focus on Corporate GovernanceCorporateonFocus

Efficiency Group Opex 20% 8.28 €bn 8.12 €bn 8.04 €bn Economic

Cash and debt FFO/Consolidated net 15% 24.4% 24.9% 25.2% Financial management financial debt

3 3 3 Safety in the FI ≤ 0.80 FI ≤ 0.78 FI ≤ 0.76 Safety 15% & & & ESG workplace FA4≤ 7 FA4≤ 7 FA4≤ 7

COVID 19 Remote management Average IT Average IT Average IT 15% ESG emergency of operations5 logins 80% logins 84% logins 88%

1. Management by objectives (MBO) 2020 2. (%) Weight in the variable remuneration 156 3. FI: Work-related accident Frequency Index 4. FA: Number of Fatal Accidents during 2020, except for road events 5. Average daily logins recorded during the period March-December 2020 to the ten main IT applications used within the Enel Group compared to the period January-February 2020 Long-term variable remuneration1

Macro objective Objective Type of target

Weight5 Target (130%)6 Over I (150%) Over II (280%)6 Enel’s TSR from Enel’s TSR from Enel’s TSR > Performance TSR2 50% 100% to 110% 110% to 115% 115% of TSR Market

Focus on Corporate GovernanceCorporateonFocus of TSR Index of TSR Index Index

Profitability ROACE3 25% 39.4% 40.0% 40.6% Financial

Renewable capacity Environmental 15% 59.7% 59.9% 60.0% ESG on total4

CO2 emissions ≤ 220 ≤ 215 ≤210 Environmental 10% 7 7 7 ESG reduction gCO2/KWheq gCO2/KWheq gCO2/KWheq

100%8 of the base amount is assigned in Enel shares, whose number is determined on the basis of the arithmetical mean of Enel’s daily VWAP in the three-month period preceding the beginning of the performance period

1. Long-Term Incentive (LTI) Plan 2020. Performance period: January 1, 2020 – December 31, 2022. 30% payment (if any) in the 4th year. 70% payment (if any) in the 5th year (deferred payment) 2. Average TSR Enel compared to average TSR EUROSTOXX Utilities Index-EMU, calculated in the three-month period preceding the beginning and the end of the performance period 157 3. Cumulative for the 3-year period 2020-2022 4. Renewable sources net consolidated installed capacity /Total net consolidated installed capacity at the end of 2022 5. (%) Weight in the variable remuneration 6. For the CEO/General manager. 100% at target and 180% at Over II for the other beneficiaries of the LTI Plan 2020 7. As at 2022 8. 50% for the other beneficiaries of the LTI Plan 2020 Enel group’s listed companies

70.1% 64.9%1 62.3%2 56.4% Focus on Corporate GovernanceCorporateonFocus

Chile Américas3 Russia

93.5% 99.1% 99.9% 100% 100%

Enel Gx Chile Enel Dx Chile Enel Argentina Enel Brasil Enel Perú 96.5%

92.6% 75.7% Enel Gx Piura 83.2% 83.6% Pehuenche Enel Gx Costanera Enel Dx Perú Enel Gx Perú

74.1% 99.7% Not listed companies 158 1. As of July 7, 2020 Enel Dx Ceará Enel Dx Rio 2. As of May 28, 2020 3. Enel Americas operates also in Colombia through not listed companies 2020-2022 Focus on Innovation & Cybersecurity Innovation

Plan actions 2020-2022 targets

10 innovation hubs ~83 partnerships 5 innovation labs1 Implementation in the

Focus on Innovation & Cybersecurity & InnovationonFocus business of 30 projects with startups

Promoting global Crowdsourcing 12 innovation partnership and upporting high-potential >400.000 solver communities startups

75 bootcamps to find startups with which collaborate

160 1. In total, Enel has developed 10 Innovation Hubs and 5 Innovation Labs dedicated to startups. The total number of Enel Group’s laboratories, including also the Labs not dedicated exclusively to startups, is 20. Cyber security

Plan actions 2020-2022 targets 2 mn Risky emails blocked1 (#) every day

Coverage of web 100% of internet web applications exposed to applications protected Focus on Innovation & Cybersecurity & InnovationonFocus internet with advanced Connections to dangerous 400K through advanced cyber security websites blocked1 (#) every day cyber security solutions application solutions

Web applications protected through 100% advanced cyber security solutions (%) total ytd Disseminating the information security 15 cyber security culture and changing knowledge sharing people’s behaviour in events per year order to reduce risks

161 1. Daily average from 01/07/2019 to 31/12/2019 Disclaimer

This presentation contains certain forward-looking statements that reflect the Company’s management’s current views with respect to future events and financial and operational performance of the Company and its subsidiaries. These forward-looking statements are based on Enel S.p.A.’s current expectations and projections about future events. Because these forward-looking statements are subject to risks and uncertainties, actual future results or performance may differ materially from those expressed in or implied by these statements due to any number of different factors, many of which are beyond the ability of Enel S.p.A. to control or estimate precisely, including changes in the regulatory environment, future market developments, fluctuations in the price and availability of fuel and other risks. You are cautioned not to place undue reliance on the forward-looking statements contained herein, which are made only as of the date of this presentation. Enel S.p.A. does not undertake any obligation to publicly release any updates or revisions to any forward-looking statements to reflect events or circumstances after the date of this presentation. The information contained in this presentation does not purport to be comprehensive and has not been independently verified by any independent third party. This presentation does not constitute a recommendation regarding the securities of the Company. This presentation does not contain an offer to sell or a solicitation of any offer to buy any securities issued by Enel S.p.A. or any of its subsidiaries.

Pursuant to art. 154-bis, paragraph 2, of the Italian Unified Financial Act of February 24, 1998, the executive in charge of preparing the corporate accounting documents at Enel, Alberto De Paoli, declares that the accounting information contained herein correspond to document results, books and accounting records.

162 Contact us

Contacts Email [email protected] Phone +39 06 8305 7975

Monica Girardi Channels Head of Group Investor Relations Website Mobile App Investor Relations team Enel.com Enel Investors Federico Baroncelli Francisco Basauri Serena Carioti Federica Dori Follow us Federica Pozzi Fabrizio Ragnacci Noemi Tomassi Emanuele Toppi