33 slides from Empresa Distribuidora Y Comercializadora Norte S.a. Class B's earnings presentation, May 8, 2026
Slide 1: Earnings Release First Quarter 2026
EARNINGS RELEASE First Quarter 2026 May 2026
Slide 2: Edenor announces first quarter 2026 results; webcast information
Buenos Aires, Argentina, May 8,2026~ Empresa Distribudora y Comercialzacisn Norte S.A (NYSE/ BYMAEDN(‘edenor” or the Company’) Argentinas largest electri distributor both in terms of number cof customers and enery sales, announces fs rsuks forthe fist quarter of 2026. ‘Allfigures are stated in Argen
Slide 3: Agenda
AGENDA EARNINGS RELEASE FIRST QUARTER 2026 Highlights & Regulatory Framework Financial Results Operating Indicators Investments Financial Debt & Ratings Summary edenor*
Slide 4: Highlights & Regulatory Framework
EARNING RELEASE FIRST QUARTER 2026 01 Highlights & Regulatory Framework
Slide 5: What Changed Since April 2025
WHAT CHANGED SINCE APRIL 2025 edenor* First year completed following the implementation of the 2025-2030 tariff review (RQT). Key Milestones Towards Edenor’s Normalization + Approual ofthe S:Yeor aif review, induding automatic monshly adjustments based on 2 formula of C33) and WI (67) pls an ational
Slide 6: New Authorities
NEW AUTHORITIES edenor® The new Board of Directors of the National Gas and Electricity Regulatory Agency (ENRGE) has been confirmed PRESIDENT BOARD MEMBER Marcelo Nachon Former Intervener of the ENARGAS until this. appointment. ‘Manager of Special Projectsat Wintershall DEA Argentina S.A Former Nati
Slide 7: Improved Financial Performance
IMPROVED FINANCIAL PERFORMANCE edenor* The normalization of tariffs was reflected in EDENOR’S financial indicators. Revenues (in millions of constant pesos) EBITDA (in millions of constant pesos) $846 740 see 710 127% Fa $190579 383.865 1025 1026 1025, 1026 CAPEX (in millions of constant pesos) Coll
Slide 8: Financial Results
EARNING RELEASE FIRST QUARTER 2026 02 FINANCIAL RESULTS edenor*
Slide 9: Improvement in Results
IMPROVEMENT IN RESULTS. EDENOR invested ARS 69.7 billion in 1Q26 and achieved improvements in all of its operating indicators. Revenues. Energy purchases Distribution Margin Operating expenses Other op. Net income Other operating expense Operating Results Financial Resuts, net RECPAM" Income Tax Net
Slide 10: Energy Sales Volumes
ENERGY SALES VOLUMES edenor* Energy sales volume in 1Q26 was lower than in 1Q25 Sales volumes in 1026 totaled 5,853 GWh, (-1.6% vs. 1025) ‘which was mainy driven by the impact of demand from So GHOSE ASST effect ofthe economy on industrial demand, Edenor's client a 327,046 1% 325211 base reached 3.4
Slide 11: Sales
SALES Trend in Sales Accumulated sales variation for the 12 months through March 2026 vs. prior 12-month period for main segments. LTM and monthly sales variation in GWh vs. prior year period. Average temperature for Mar 26 was 0,12 lower than Mar-25 EARNINGS RELEASE FIRST QUARTER 2026 edenor* ~—L 7
Slide 12: Operating Expenses
OPERATING EXPENSES edenor* Lower operating expenses in 1Q26 (-9% vs. 1Q25) Salaties, social security taxes Pensions Plans Communications expenses Allowance forthe imp. of trade and other receivables Supplies consumption Leases andinsurance Secutty service Fees and remuneration for services Amottizat
Slide 13: EBITDA
In million of Pe nt figure Net operating income 134,364 30,612 Depreciation of property, plant and equipment 56,215 53,253 EBITDA 190,579 83,865 106,714 1Q26 ARS 191 Billion EBITDA 1026 ARS 191 Billion +127% The improvement was due to strong revenues as a result of the 5-year tariff review including
Slide 14: Operating Results
EARNING RELEASE FIRST QUARTER 2026 03 OPERATING RESULTS edenor*
Slide 15: Quality Standards
QUALITY STANDARDS edenor* SAIDI hours / year / customer = Real 218 — Requested 103 ¥ 2017 2018 2019 2020 2021 2022 2023 2024 2025 mar-26 {At the end of the first quarter of 2026, the SAIDI and SAIFI indicators were 6.1 hours and2.9 average outages per client, respectively, in the period, which are i
Slide 16: Energy Losses
ENERGY LOSSES edenor* Energy losses LTM at March 2026 were 15.3%. Driving Innovation and Efficiency in Loss Mitigation: We continue to leverage the potential of analytical and artificial inteligence tools, strategically optimizing. inspection routes and. raising thei efficacy. The mission of DIME ("
Slide 17: Investments
EARNING RELEASE FIRST QUARTER 2026 04 INVESTMENTS edenor*
Slide 18: Capex
CAPEX Investments Accumulated as of March: ARS 69.7 billion +1 New Substations (SE Moreno) Expected in July 2026 + Bancalari Substations expansion scheduled for May 2026 PROJECTS EXPECTED IN 2026 ‘+ Expansion of Bancalari Substation (132/13.2 kV) to 2x80 MVA in May 2026 + New 132 kV busbar at Paso d
Slide 19: Financial Debt & Ratings
EARNING RELEASE FIRST QUARTER 2026 05 FINANCIAL DEBT & RATINGS edenor*
Slide 20: Financial Debt & Ratings
FINANCIAL DEBT & RATINGS edenor* Breakdown of Debt asof —_Total Financial Debt as of March 2026 - in millions of USD March 2026 Se ee rs i | amount (Ee ussaz us$475 us$as am 5009 ase us uso vs ans [tw ans Ny ns [kate (a 950% 975% TAMAR 16% ba ‘Oct ~28, Oct— Notes m Loans Total Existing Notes + Loans
Slide 21: Senior Notes Class 10 and Class 7 Cash Tender
edenor® Senior Notes Class 10 ® Pricing Date: 22 April 2026 = Total Nominal Value: USD 550 million * Amount Senior Note 10 Series 1: USD 523.338.243 (total value of orders received USD 1,151,000,000) * Senior Note 10 Series 2: USD 26.661.757 (total value of orders received of USD 26.661.757) = Date
Slide 22: Senior Notes pro forma as of April 30, 2026
& Senior Notes pro forma as of April 30, 2026 —in millions of USD edenor a a HEE se Gem fs) stm = we me = ARG ARS. ny ARG. wv 975% 950% 9.75% TAMAR 16% 950% Oct-28, Oct-29 ‘Apr~31,Apr-32 Nov 26 Aug-28 Pees ‘Aug: 26 Frees 2026 20% «2023203070 HZ OD ‘Total SenforNotes a Note: ARS-denominated Notes wer
Slide 23: New Businesses
EARNINGS PRESENTATION FIRST QUARTER 2026 05 New Businesses
Slide 24: New Businesses: Expansion, Diversification and Value Creation
& NEW BUSINESSES: EXPANSION, DIVERSIFICATION AND VALUE CREATION edenor In 2024, the Company's corporate purpose was amended to provide greater flexibility and to capture opportunities related to the energy transition and the electrification of the economy. Business Development shratey) Drivers + Cap
Slide 25: Final Remarks
EARNING RELEASE FIRST QUARTER 2026 06 Final Remarks edenor*
Slide 26: Final Remarks
FINAL REMARKS edenor* Edenor is in a solid position, benefiting from changes that have strengthened its financial profile, well-positioned for the energy transition (new technologies, improvements and efficiencies, environmental considerations). E © Diversified financing strategy New Businesses: In
Slide 27: About Edenor
ABOUT EDENOR Empresa Distribuidora y Comercializadora Norte S.A. (edenor) is the largest electricity distribution company in Argentina in terms of number of customers and electricity sold (in GWh). Through a concession, edenor distributes electricity exclusively in the northwest of Greater Buenos Al
Slide 28: Investor Relations Contacts
INVESTOR RELATIONS CONTACTS German Ranftl_ | Chief Financial Officer Lucila Ramallo | Deputy Investor Relations Manager Investor@edenor.com | Tel. +54 (11) 4346 5511 edenor® EARNINGS RELEASE FIRST QUARTER 2026
Slide 29: Consolidated Statement of Comprehensive Income (constant currency)
Consolidated Statement of Comprehensive Income. For the three-month period ended on March 31, 2026 and 2025 Values expressed in constant currency basis. EARNINGS RELEASE FIRST QUARTER 2026 Revenues Energy Purchases Distribution Margin ‘Transmission and dstribution expenses Gross Profit ‘Seling expen
Slide 30: Consolidated Statement of Comprehensive Income (historical values)
Consolidated Statement Comprehensive Income. For the three-month period ended on March 31, 2026 and 2025. Values expressed at historical values EARNINGS RELEASE FIRST QUARTER 2026 ‘Transmission and distribution expenses Gross Profit Seling expenses ‘Administrative expenses (other operating income, n
Slide 31: Consolidated Statement of Financial Position
Consolidated Statement of Financial Position For the three-month period ended as of March 31, 2026 and December 31, 2025 Values expressed in constant currency basis. EARNINGS RELEASE FIRST QUARTER 2026 ASSETS Non-curent assets Property part and equipmert 4384 4514205 Interest iit verures za 2a Right
Slide 32: Condensed Interim Consolidated Statement of Cash Flows
Condensed Interim Consolidated Statement of Cash Flows. For the three-month period ended on March 31, 2026 and 2025 Values expressed in constant currency basis. EARNINGS RELEASE FIRST QUARTER 2026 Cash flows from operating activites Income forthe period ‘Adjustments to reconcile net (loss) profit to
Slide 33: Signatures
SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Empresa Distribuidora y Comercializadora Norte S.A. By: /s/ Germán Ranftl Germán Ranftl Chief Financial