#1First Quarter 2022 Consolidated results May 3, 2022 enel#2First Quarter 2022 Key highlights, strategy updates and operational performance Giuseppe Turchiarelli CFO enel#3Key highlights of the period INTERNAL enel Decarbonization +0.2 GW of renewables projects connected into the grid ~ 1 GW in construction Portfolio Management Argentine gas fully available during Q1 2022 ~ 12 LNG cargoes contracted for 2022 Value for Shareholders AGM approved 2021 final dividend of CLP$0.26/shr Dividend policy updated to 30% payout Extraordinary operation EGM approved the e-mobility business carve-out Cash-in of €12.75 mn representing the selling of 51% stake 3#4INTERNAL The challenging context remains, but we have been able to take swap actions to strengths our portfolio... Enel Chile hydroelectric' cumulated energy (GWh) Gas supply overview Enel Chile gas consumption Q1 2022 enel System main indicators Avg. Spot Quillota 220kV (USD/MWh) Apr Jul Oct Jan Mar Hydrological year 2021-2022 2020-2021 Driest year 2022-2023 New hydrological year started in a better position than past year MMm3/d 8642 0 01/01/2021 01/02/2021 01/03/2021 01/04/2021 01/05/2021 01/06/2021 01/09/2021 01/07/2021 IN 01/08/2021 01/10/2021 NG 01/11/2021 01/12/2021 01/01/2022 01/02/2022 01/03/2022 Q1 2022 77.7 95.2 74.3 68.9 75.0 49.9 42.8 30.0 35.4 Q1 Q2 Q3 Q4 Our solid supply contract position and Argentine gas availability have allowed us to deliver LNG volumes in the northern zone The argentine gas supply successfully delivered during Q1 2022 drove us to face the volatility of commodity prices 12 shipments committed for 2022 avoiding supply risk Avg. Alto Jahuel 220kV (USD/MWh) Q1 2022 87.8 77.6 51.2 106.7 78.5 70.5 44.7 30.7 35.3 Q1 Q2 Q3 Q4 2021 2020 4#5AFFORDABLE AND CLEAN ENERGY CLIMATE ACTION INTERNAL ...and our renewable expansion will be core to bringing enel additional flexibility toward net zero Hydro CCGT² Net installed capacity1 71% Renewable 4% 7% 18% 8.1 GW 44% 27% Oil-Gas Coal Wind, Solar & Geothermal +178 MW New capacity connected MValle del Sol 163 MW ΣΟ Finis Terrae 12 MW (partial connection) Caracoles PMGD 3 MW -24 MW Sold thermal capacity Diego de Almagro was sold during Q1 2022 1. 2. Includes 178 MW of additional capacity during the first quarter of 2022, the sale of the Diego de Almagro plant (-23.8 MW) and the increase in capacity of the Taltal TG plant (+2.6 MW) Combined Cycle Gas Turbine 5#6QINDUSTRY. INNOVATION AND INFRASTRUCTURE 11 SUSTAINABLE CITIES AND COMMUNITIES CLIMATE ACTION INTERNAL A digitized and resilient grid is key to build a Net Zero future through electrification and circular cities... Energy distributed (TWh) 1 +5% End users (million) Main digitization KPIs Q1 2021 Q1 2022 Clients digital +6 pp 80 86 Interactions (%) 4.1 +2 pp 3.9 Digital payments (%) 776 78 -13% SAIDI² - DX 155 134 (min.) High voltage 100 100 (%) +4pp Medium voltage (%) 88 83 87 Q1 2021 Q1 2022 Low voltage 17 17 +2% (%) 2.0 2.0 1. Data only for Enel Distribution concession area; Includes transmission tolls 2. SAIDI Average LTM (Last Twelve Months) only includes the distribution business. Transmission business SAIDI in Q1 2022: 6 min and Q1 2021: 9 min enel Continuous innovation toward a more resilient grid will be vital in supporting the electrification process and delivering quality service to our customers anywhere, anytime We ensure a safe, quality service by leveraging digitization, automation, and artificial intelligence. 6#7QINDUSTRY. INNOVATION AND INFRASTRUCTURE 11 SUSTAINABLE CITIES AND COMMUNITIES CLIMATE ACTION INTERNAL ...and the beyond commodity strategy will support client's decarbonization and our margin protection Main highlights Enel X main KPIs Q1 2021 JuiceBox E-Mobility (Stewardship) enel Q1 2022 H 凹 +85% Charging Points 1-2 858 1,586 (public and private) E-Industries E-City MANDARIN ORIENTAL THE HOTEL GROUP +225% Electric buses 1-3 493 1,600 Carve-out transaction approved (Enel X Way Chile) New 107 e-buses project in Santa Rosa corridor First rooftop project in Chile that incorporates PV and biodiversity Allowing our clients to deliver unique and differentiated experiences with a direct positive impact on the environment Circular cities to reach a sustainable future Enel X was awarded a video surveillance cameras project in the North of Chile, marking its presence outside Santiago 12345 Cumulative figures Public, private and served e-buses charging points. Considers e-buses supplied, managed and served by Enel X Includes assistance services, air conditioning and photovoltaic panels Includes all e-buses, charging points, full electric buildings and air conditioning / heating sold +14% Public lighting¹ ('000) 295 335 +1% e-Home services4 ('000) 59 59 Electrification 1-5 +71% (accumulated GWh since 153 2019) 262 7#8First Quarter 2022 Business financial performance enel#9INTERNAL 2022 Adjusted Financial highlights (USD mn)1 EBITDA² Tariff in transmission business, PPAs indexation and volumes lead to a better performance Net Income³ Higher EBITDA and better financial result drove the period CAPEX Renewable' deployment in line with the strategy enel FFO 2021 FFO includes 159 USDmn of PEC factoring and Quintero Tx lines Q1 2022 226 89 167 (+15% yoy) (+41% yoy) (-31% yoy) 123 Average exchange rate for the period of 808.19 CLP/USD. Spot exchange rate for the period of 786.93 CLP/USD. Adjusted by the Coal Stock Impairment (CSI): 21 USD mn in Q1 2022 and 13 USD mn in Q1 2021. Adjusted by the CSI: 14 USD mn in Q1 2022 and 9 USD mn in Q1 2021. (151) (-171%yoy) 6#10ESBLEND KISAH DHE ROY 9 INDUSTRY, INNOVATION AND INFRASTRUCTURE AND COMES THE 13 CLIPASE ASTROM INTERNAL Sustainable capex plan CAPEX aligned with Enel Chile main goals Q1 2022 Capex by business and by nature¹ Q1 2022 Development CAPEX1 5% 123 9% 20% 17% 167 167 7% USD mn USD mn -31% yoy -31% yoy 73% 74% 95% Networks & Enel X Asset management Renewables Asset development Thermal Customers USD mn -41% yoy enel Capex allocation by Quarter (2022) Q1 14% Q2E 29% Q3E 28% Q4E 29% Networks & Enel X Renewables 1. 2. SUSTAINABLE DEVELOPMENT 93% linked to SDGs² GOALS Comparisons between periods in the Financial Income Statements are made using the average exchange rate for the period 808.19 CLP/USD Sustainable Development Goals 10 10#11INTERNAL Q1 2022 Adjusted EBITDA evolution Results mainly driven by indexation coming from commodities and FX rates EBITDA evolution (USD mn)1 enel Main KPIs +15% Q1 2021 Q1 2022 yoy Portfolio Mix Gx: +14 USD mn Hydrology 2.1 1.8 -11% (TWh) 12 8 82 Gx Sales³ 6.3 8.1 +27% (TWh) 10 226 20 197 (87) (16) Energy distributed (TWh) 3.9 4.1 +5% Avg Spot Quillota 220 kV (USD/MWh) 75.0 77.7 +4% Avg. Spot Alto Jahuel 220 kv (USD/MWh) 77.6 87.8 +13% Q1 2021 PPA Sales2 ERNC Growth Variable Spot price Hydrology Networks Others Cost/ Purchases Q1 2022 Remuneration Total Variable Costs (USD/MWh) 38 56 +49% & Demand 1. 23 Comparisons between periods in the Financial Income Statements are made using the average exchange rate for the period 808.19 CLP/USD. Adjusted by the coal stock impairment for Bocamina II: Q1 2022 (21 USD mn) and in Q1 2021 (13 USD mn). Includes PPA Indexation (commodities, FX, CPI) Includes energy sold in free market and regulated market 11#12INTERNAL Main business breakdown Generation business EBITDA performance Net production (TWh) +15% Q1 2022 Energy Balance (TWh) Energy Balance reached 8.1 TWh an increase of +27% yoy Sourcing (TWh) 5.2 4.5 36% 1.0 0.8 0.5 0.6 0.3. 0.1 1.0 1.6 2.1 1.8 Energy Sales (TWh) 35% 00 64% 65% enel Adjusted EBITDA (USD mn)³ +4% 172 180 Q1 2021 Q1 2022 Hydro CCGT1 Oil-Gas Coal Wind, Solar & Geothermal Production Purchases² 1. Combined Cycle Gas Turbine 3. 23 Net of spot sales Regulated sales Free market sales Q1 2021 Q1 2022 Comparisons between periods in the Financial Income Statements are made using the average exchange rate for the period 808.19 CLP/USD. Adjusted by the coal stock impairment for Bocamina II: Q1 2022 (21 USD mn) and in Q1 2021 (13 USD mn). 12#13Main business breakdown Networks business EBITDA performance Distribution & Transmission Tariff Review Tariffs decree Transmission expected on H2 2022 2020-23 Period review 7% Returns (real terms post tax) Distribution 2020-24 Period review Process still ongoing 6% Returns (real terms post tax) 123 Data only for Enel Distribution concession area; Includes transmission tolls INTERNAL Main period KPIs Q1 2021 Q1 2022 Energy distributed (TWh)1 +5% 3.9 4.1 -13% SAIDI² - Dx 155 134 (min.) enel EBITDA (USD mn) +71% 56 13 Losses +0.3 pp 33 5.0 5.3 19 Networks³ (%) +10% 19 Telecontrols 2.4 2.7 (#'000) 24 14 +24% e-Billings ('000#) 362 449 Q1 2021 Q1 2022 SAIDI Average LTM (Last Twelve Months) only includes the distribution business. Transmission business SAIDI in Q1 2022: 6 min and Q1 2021: 9 min Average LTM (Last Twelve Months) for both distribution and transmission businesses Distribution Transmission Transmission tariff adjustment 13#14First Quarter 2022 Financial results enel#15Adjusted Net Income USD mn¹ 63 29 (9) +41% 11 INTERNAL 89 (3) (2) Q1 EBITDA D&A Financial Taxes Minorities 2021 Adjusted Q1 result³ 2022 1. 23 enel Higher EBITDA results mainly due to networks business D&A reflects mainly new renewable connections to the grid Lower financial expenses mainly due to the factoring cost of the PEC account booked in Q1 2021 Taxes reflect monetary tax adjustment Comparisons between periods in the Financial Income Statements are made using the average exchange rate for the period 808.09 CLP/USD; Q1 2022 adjusted by the coal stock impairment: (21 USD mn) in EBITDA and the net effect in Net Income (14 USD mn). Q1 2021 adjusted by coal stock impairment: EBITDA (13 USD mn) and Net Income (9 USD mn) Includes depreciation and amortization, bad debt and impairment. Includes result from equity investment 15#16FFO USD mn 213 6 (130) ·(44). INTERNAL -171% (199) 10 FFO Q1 20211 Δ Adjusted EBITDA² A 2021 One- off effect (factoring) A Stabilization Mechanism A Working Capital & Others 1. Average exchange rate for the period 724.33 CLP/USD. 123 2. Adjusted figures by coal stock impairment in Q1 2022 (21 USD mn) and Q1 2021 (15 USD mn). Average exchange rate for the period 808.09 CLP/USD. enel (7) (151) Δ Income Taxes A Financial expenses FFO Q1 20223 16#1713 CLIMATE ACTION Debt (USD mn)1 20% SDG linked instruments 5,004 367 Gross debt +-6%A INTERNAL enel Liquidity Position Debt maturities (USD bn) GOALS 5,310 28% 371. 4,637 4,939 Maturities/Gross Debt 3.1 9% 10% 12% 4% 0.5 USD bn 2.4 72% 0.7 0.5 0.6 0.5 0.7 0.2 0.7 0.3 0.1 2022 2023 2024 2025 After 2025 Available committed credit lines SDG Linked Dec 31, 2021 Mar 31, 2022 Cash Net Debt Cash 77% of gross debt has a fixed rate Liquidity to support the maturities 1. Exchange rate at the end of the period: Dec/21 (851.62 CLP/USD); Mar/21 (786.93 CLP/USD) Average Maturity: 5.5 years 17#18Closing remarks INTERNAL enel Strength our portfolio flexibility through renewables' growth, commodities management and PPA purchases Continue pursuing opportunities to accelerate the electrification process of our clients and communities to Net Zero High ESG standards and scores reflect our way to work (First Integrated Report with Climate Change information) Active portfolio management and cash initiatives to continue strength our financial position 18#19First Quarter 2022 Annexes enel#20Annexes INTERNAL enel Q1 2022 Financial and operational annexes First Quarter Profit & loss (USD mn) Commodities and Marginal cost outlook Hydrology outlook Renewables expansion update Chilean regulatory context Enel Chile Corporate information Credit Rating Organization structure Enel Chile business lines Management of the company Corporate governance structure Board composition ESG Ratings 2021 reports already available enel Investor Relations Team & Contact us 20 20#21INTERNAL First Quarter Profit & loss (USD mn) Q1 2022 Q1 2021 A yoy Adjusted EBITDA2 226 197 +15% Reported EBITDA 205 184 +12% D&A (70) (63) +11% Bad Debt (7) (5) +39% Impairment 0 0 N.A. Reported EBIT 128 116 +11% Financial expenses (36) (47) -23% Results from equity investments 1 1 +79% Reported EBT 92 69 +35% Income taxes (11) (10) +14% Minorities (6) (5) +42% Reported Group net income 75 54 +38% Adjusted Group net income² 89 63 +41% 1. 2. enel Reported figures. Comparisons between periods in the Financial Income Statements are made using the average exchange rate for the period 808.19 CLP/USD. Adjusted by the coal stock impairment for Bocamina II: EBITDA as of Q1 2022 (21 USD mn) and the net effect in Net income (14 USD mn). Q1 2021 adjusted by the coal stock impairment for Bocamina II (13 USD mn) and the net effect in Net income (9 USD mn). 21#22INTERNAL Commodities and Marginal cost outlook enel 6.3 Henry Hub (USD/mmbtu) 4.6 3.6 4.0 4.4 5.8 6.2 118.8 5.4 98.2 87.2 Brent (USD/bbl) 83.7 81.4. 325.3 ་་་་་་་་་་་་་་་ 4.0 2.8 2.9 2.5 2.6 2.9 3.0 54.8 Q1 2022: 5.0 Q1 2021: 2.7 62.2 65.6 64.7 68.7 73.0 75.0 70.8 74.6 74.1 167.2 194.5 API 2 (USD/Ton) 231.4 173.0 132.8 148.4 108.4 Q1 2022: 101.4 67.8 65.9 68.4 71.8 86.1 136.7 148.8 Q1 2021 60.9 Q1 2022: 229.0 Q1 2021: 67.4 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg. Foreign Exchange (CLP/USD) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Marginal Cost Quillota (USD/MWh) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Marginal Cost Crucero (USD/MWh) 119.7 110.6 105.3 97.8 822 807 799 849 814 813 784 94.5 99.3 88.4 83.7 76.8 79.6 76.0 77.1 75.6 83.8 67.6 66.5 69.4 68.5 67.2 82.5 67.8 55.2 71.7 49.0. 50.8 68.4 47.1 66.2 780 48.7 58.8 750 724 723 726 727 Q1 2022: 808.2 708 712 Q1 2021: 724.3 Q1 2022: 77.7 Q1 2021: 75.0 Q1 2022: 77.2 Q1 2021: 67.5 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2022 2021 22#231. As of April 25, 2022 INTERNAL Hydrology outlook Pacific temperatures confirm La Niña effect Rainfall in our most relevant basins¹ Cumulated rainfall (mm) 0 abr 500 may 1000 jun- jul - Last 60 years $1500 обе 100 8 ນ ພ ຍານ ຂອງຊີ້ງ ແມ່ນວ 0 abr may unf jul 2500 2000 Laja (20% of consolidated Gx) des 130 nov קןכ обе sep oct- Rapel (9% of consolidated Gx) ene nov Last 10 years feb mar abr 2021-22 dic Cumulated rainfall (mm) 0 abr 3000 2500 2000 1500 1000 500 may- unl 2022-23 Inf E ago sep ene Cumulated rainfall (mm) 0 may 500 1000 Jun jul 4000 3500 Βίο-Βίο (25% of consolidated Gx) oct nov dic- ene 198/99 (Driest year) 23 23 ago 1500 2000 sep oct Maule 2500 (34% of consolidated Gx) nov dic ene feb feb mar mar abr abr enel#24AFFORDABLE AND CLEAN ENERGY CLIMATE ACTION INTERNAL Renewables expansion update Projects in execution enel Net Installed Capacity (MW) Finis Terrae 1261 End of Construction 2022 Boosting H2 Enel Chile is developing the First pilot project for green hydrogen production in Chile PMGD (I & II) 862 2022-23 JV with AME (HIIF) Campos del Sol II 398 2022 • Santiago Sierra Gorda 375 2023 ## Renaico II 144 2023 Los Cóndores 150 2023 La Cabaña 106 +30 BESS +30MW Expected to be operational in 2022 3.4 MW 1.25 MW 2023 Rihue 120 BESS +30MW 2024 24 24 1. Includes 12 MW and 22 MW connected during Q1 2022 and Q4 2021 respectively. 2. Includes San Camilo (3 MW) and Dadinco (3 MW) that were connected to the system during 2021 and Caracoles (3 MW) that was connected during Q1 2022. One of the best wind conditions due to its Magallanes proximity to Antarctica#251. Chilean regulatory context Networks businesses Networks tariff review INTERNAL Basic Services Law Total Enel Distribución overdue debt Apr 21 Aug 21 Dec 21 H2 22 Mar-21 Mar-22 Transmission m2020-23 Period review Consultant report Regulator technical report Expert panel Tariffs decree clients overdue # ('000) 584 621 7% Returns (real terms post tax) +32% Distribution 2020-24 Period review Process still ongoing Consultant report Regulator technical report Expert panel Tariffs decree 6% Returns (real terms post tax) Total Overdue debt, including Basic Service Law. Exchange rate at the end of the period: Mar/22 (786.93 CLP/USD) Overdue debt (USD mn)1 170 224 Q1 2021 Q1 2022 enel 25 55#26Credit Rating Enel Chile and Enel Generación Chile International market INTERNAL Chilean market Enel Chile Enel Chile Standard & Poor's Fitch Ratings Fitch Ratings BBB Stable A- Stable AA+(cl) Stable Ref. Jan/22 Ref. Jan/22 Ref. Jan/22 Feller Rate AA(cl) Positive Ref. Jun/21 Enel Generación Enel Generación Standard & Poor's Fitch Ratings Fitch Ratings BBB Stable A- Stable Ref. Jan/22 Ref. Jan/22 Ref. Jan/22 AA+(cl) Stable Feller Rate AA (cl) Positive Ref. Jun/21 enel enel 26#27Organization structure 100.0% enel 93.5% enei Green Power Generación Chile 1. 2. As of December 31, 2021 Market cap as of April 27, 2022 enel 64.9% enel Chile 99.1% enel Transmisión Chile 99.1% enel Distribución Chile 100.0% enel x Enel X INTERNAL BOLSA SANTIAGOX Enel Chile shareholders1 1.1% 8.4% 21.0% Market Cap² 1.8 $ bn 4.5% 64.9% S&P Dow Jones Indices A Division of S&P Global MSCI Corporate ESG Performance enel NYSE Pension Funds Institutional Investors ADR's Enel SpA Others 业 Prime RATED BY ISS ESG‣ FTSE4Good 27 27#28INTERNAL Enel Chile Largest Utility player in Chile in installed capacity and number of clients Thermal generation1 ii) Tarapaca TG in Atacama Taltal Huasco Quintero San Isidro i Bocamina 2 Renewables generation¹ Azabache Cerro Pabellón Domeyko Sol de Lila Lalackama Lalackama Canela Talinay Oriente Talinay Poniente PMGD Rapel Valle del Sol Finis Terrae Pampa Norte Valle de los Vientos Sierra Gorda Este Campos del Sol Taltal Chañares Diego de Almagro La Silla Los Molles Carrera Pinto Bio Bio Networks1 Distribution enel Empresa Eléctrica Enel Colina Coal CCGT Others 2.4 GW Thermal net installed Capacity Coal CCGT Maule Laja Renaico Los Buenos Aires Pullinque Pilmaiquén Hydro Wind Solar Geothermal 71% of installed capacity corresponds to 5.8 GW Renewable net installed Capacity renewable resources Oil & Others Hydro Wind Solar Geothermal ገ 3.6GW 0.6 GW 1.5GW 0.07 GW 0.3GW 1.5GW 0.6GW 1. Data as of March 31, 2022 End users >2 million Enel Distribución Chile Indefinite concession period Transmission 683 High Voltage Lines (km) 58 Owned substations (#) 28#29INTERNAL Management of the company Management Team enel F. Barderi Chief Executive Officer A. Pellegrini Sustainability & Community Relations G. Turchiarelli Chief Financial Officer R. Puentes Procurement L. Schnaidt People and Organization A. Barrios D. Gomez Regulation M. Rinchi Digital Solutions Services & Security J. Díaz Internal Audit Karla Zapata Enel X Chile P. Urzúa Institutional Affairs Officer J. Stancampiano Enel Generación Chile A. Pinto D. Valdés C. Vera Safety R. Castañeda Enel Distribución Chile Counsel R. Castañeda Enel Transmisión Chile Communication 29 29#30INTERNAL Corporate governance structure 14% BoD's composition 43% 43% Non executive Executive Independent Shareholders' meeting Audit firm Board of Directors (7 members) ர்ர் Directors Committee ቀቀቀ Functions: Audit committe Sustainability committe Related parties transactions enel 30 30#31Board composition Herman Chadwick Board of Directors Chair INTERNAL Monica Girardi Director Age diversity Isabella Alessio Director 43% Salvatore Bernabei Fernán Gazmuri Pablo Cabrera Gonzalo Palacios Director Board of Directors' diversity 57% Gender diversity 41-50 Over 50 Directors' Committee (C) Director. Directors' Committee Director Tenure diversity 57% O 1-3 years 43% Over 3 years Directors' Committee Director Non executive Executive Independent Nationality diversity 29% enel 71% Male Female 43% 57% Chilean Italian 31#32ESG Ratings Main scores S&P Global 88 84 INTERNAL CDP MSCI FTSE Russell AA AA 888 88 B A 3.4 3.2 ■ 2019 2020 ■2021 Scale from 0 to 100 MOODY'S ESG Solutions 49 49 57 54 - 2019 ■ 2020 ■2021 2019 ■ 2020 ■ 2021 Scale from D- to A Scale from CCC to AAA ISS ESG‣ B B- ■2021 2019 2020 2021 Scale from C- to A+ Scale from 0 to 100 enel 4.6 2019 2020 2021 Scale from 0 to 5 REFINITIV R 72 77 83 2019 ■ 2020 ■2021 Scale from 0 to 100 32 32#33INTERNAL Enel Chile First Integrated report Check out for more OPEN POWER FUTURE WE EMPOWER SUSTAINABLE PROGRESS FOR A BRIGHTER Integrated Annual Report Enel Chile 2021 enel enel BUS 100% ELECTRICO Our first Integrated Report and the Sustainability Report are aligned with the SASB, GRI and TCFD standards FUTURE. PROGRESS BRIGHTER POWER SUST OPEN POWER FOR A B STAINABILITY ACCOUNTING Informe de Sostenibilidad Enel Chile 2021 enel GRI SASB STANDARDS BOARD TCFD TASK FORCE ON CLIMATE-RELATED FINANCIAL DISCLOSURES **Direct link: 2021 Integrated Report (English & Spanish) 2021 Sustainability report (Spanish) Send us your feedback: [email protected] 33 33#34Q1 2022 consolidated results Contact us enel INTERNAL Contacts Email [email protected] Phone +56 2 2630 9606 Isabela Klemes Head of Investor Relations Enel Chile Investor Relations team Catalina González Claudio Ortiz Pablo Contreras Francisco Basauri Monica de Martino - NY Office Channels e Website Enel.cl e iOS Mobile App Enel Investors Download app Android enel Follow us f in O. 4 34#35INTERNAL Q1 2022 Results Disclaimer enel This presentation contains statements that could constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements appear in a number of places in this announcement and include statements regarding the intent, belief or current expectations of Enel Chile and its management with respect to, among other things: (1) Enel Chile's business plans; (2) Enel Chile's cost-reduction plans; (3) trends affecting Enel Chile's financial condition or results of operations, including market trends in the electricity sector in Chile or elsewhere; (4) supervision and regulation of the electricity sector in Chile or elsewhere; and (5) the future effect of any changes in the laws and regulations applicable to Enel or its subsidiaries. Such forward-looking statements are not guarantees of future performance and involve risks and uncertainties. Actual results may differ materially from those in the forward-looking statements as a result of various factors. These factors include a decline in the equity capital markets of the United States or Chile, an increase in the market rates of interest in the United States or elsewhere, adverse decisions by government regulators in Chile or elsewhere and other factors described in Enel Chile's Annual Report and Form 20-F. Readers are cautioned not to place undue reliance on those forward- looking statements, which state only as of their dates. Enel Chile undertakes no obligation to release publicly the result of any revisions to these forward-looking statements. 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 Chile or any of its subsidiaries. Figures included in this presentation are rounded figures. 35 55