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INVESTOR DAY 2025
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The statements contained in this report regarding the business outlook of ISA ENERGIA BRASIL (B3: ISAE3, ISAE4) ("ISA ENERGIA BRASIL", "Company"), projections and its growth potential are mere forecasts and were based on management's expectations regarding the Company's future. These expectations are highly dependent on changes in the market, in the general economic performance of the country, the sector and international markets, and are subject to change. Future considerations are not guarantees of performance. They involve risks, uncertainties, and assumptions, as they refer to future events and, therefore, depend on circumstances that may or may not occur. Investors should understand that general economic conditions, market conditions and other operating factors may affect the future performance of ISA ENERGIA BRASIL and lead to results that differ materially from those expressed in such forward-looking considerations. The financial information has been prepared in accordance with CVM standards and CPCs, and is in accordance with international accounting standards (IFRS) issued by the International Accounting Standard Board (IASB). The Regulatory Result is presented, in accordance with the accounting practices adopted in Brazil. The purpose of disclosing the Regulatory Result is merely to contribute to the understanding of ISA ENERGIA BRASIL's business. Sums may differ due to rounding. The Regulatory result is audited only at the end of each fiscal year by the independent auditors. Disclaimer
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Agenda ISA ENERGIA BRASIL PAULISTA CONCESSION GREENFIELD PROJECTS 1 2 3 DISCIPLINE & EFFICIENCY 2040 STRATEGY CHALLENGES & OPPORTUNITIES 4 5 6
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Who we are? ISA ENERGIA BRASIL Strategic positioning for the transmission of renewable energy ¹ National Interconnected System 4 ▪ Geographic diversification and pioneering in technology and innovation as drivers of the energy transition ▪ The composition of the asset portfolio plays a key role in SIN¹
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Who we are? ¹Weighted by Contracted Revenue "RAP“ cycle: 2025/2026, includes assets in operation/construction | ² Includes assets in operation 100% owned by ISA ENERGIA BRASIL + jointly controlled | ³ 2025 Statistical Yearbook | 4 National Interconnected System. 20 years of average maturity term of concessions¹ ~1,700 employees 5 ISA ENERGIA BRASIL 100% ISA ENERGIA BRASIL Jointly controlled 100% controlled subsidiaries in execution (pre-operational) 12% of the sector’s transmission lines (over 176k km³) 30% of the country’s energy ~23k km² of transmission line network 132² substations 34 concessions 95% of energy from Sao Paulo 82k MVA² installed transformation capacity (17% of the SIN’s4 total MVA) 18 Brazilian states R$16 bi Market Cap 09/30
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Portfolio diversification enables optionality to prioritize growth initiatives ¹ Operation and Maintenance| ² Operation and Maintenance+ Retrofitting and Improvement Re n e w e d : Re t r o f i t t i n g a n d I m p r o v e m e n t ▪ Reliability, Safety, and Operational Excellence ▪ Technological upgrade and modernization ▪ RAP/CapEx: 12-17% ▪ Reduction in O&M costs¹ N e w C o n c e s s i o n s : G r e e n f i e l d ▪ Ensure the Company’s longevity ▪ Drive the energy transition ▪ Double-digit real shareholder IRR ▪ Pioneering in the implementation of new technologies 1.8 28% 1.0 16%1.9 30% 1.7 26% 6.4 CYCLE 25/26 RAP 56% Paulista Concession 44% New Concessions 6 R$ billion Concessions Portfolio Organic Growth² RBSE Operational Under construction Paulista Concession New Concessions
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Paulista Concession 7
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End of uncertainties regarding RBSE financial component ¹ National Electric Energy Agency | 2 Values in real terms, based on the June 2025 reference date; Non-depreciated RBSE assets existing as of May 31, 2000 8 ANEEL Board Resolution¹ (Jun/25) Conclusion of the financial component discussion Final cash flow exceeded market expectations R$3.8 billion Financial component to be received by June 2028 Secured receipt of outstanding amounts 2 > R$4.0 billion by the end of the concession period E C O N O M I C C O M P O N E N T
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Opportunities in the Paulista Concession Model allows remunerated renewal of the asset base 9 Large-Scale Projects From the start of commercial operation Since the start of commercial operations The right to receive R&I payments begins upon energization Addition of capacity or functionality to enhance service delivery Replacement or refurbishment of assets with equivalent capacity to ensure service reliability and quality Retrofitting Improvements Recognition and receipt of investments in R&I¹ Cash EffectEconomic Effect Two types of R&I¹: Large or small scale ¹ Retrofitting & Improvements Small-Scale Projects From the RTP following commercial operation
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Strong potential for asset base modernization R$ 17.7 BI R$ 7.5 BI R$ 6.6 BI R$ 32BI Status of existing assets as of 2023¹ Fully depreciated assets Partially depreciated assets² Net regulatory asset base Gross Remuneration Base ¹ Real value (Jan/2023 base) – latest RTP | ² Includes accumulated depreciation 10
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¹ Retrofitting & Improvements | ² QRR: Regulatory Reintegration Quota | ³ Historical value | 4 Actual value, database from Jan/2023 Strategy launched in the 2018–2022 cycle... R&I 1 Investment Evolution 2023 RTP Results 4 Re g u l a to r y A s s e t B a s e ( R A B ) R$6.6 billion (+2%) RAB Net 89% + efficient than the market average R$1.3 billion executed CAPEX R$2.5 billion Reassessment 2018 2019 2020 2021 2022 142 133 232 368 825 0.4x 0.4x 0.6x 0.9x 1.8x 28% vs executed CapEx 14% vs reassessed CapEx AVERAGE RAP/CAPEXINCREASE IN REVENUE +R$360 mm in RAP 11 CAPEX/Depreciation² Investments in R&I3
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¹ Retrofitting & Improvements | ² QRR: Regulatory Reintegration Quota | ³ Historical value | 4 Real value, database from Jun/2025 2018 2019 2020 2021 2022 142 133 232 368 825 ... strengthens the Paulista Concession 2028 RTP Expectation 2.9x 3.1x ▪ Analysis period: Feb/23 to Jun/27 ▪ RAP/CAPEX: 12% a 17% ▪ R&I energized: ~R$2 billion ▪ Projects under execution: ~R$2 billion invested Large-scale – RAP immediate Small-scale - RAP RTP C u m u l a t i v e e n e r g i z a t i o n b y p r o j e c t s i z e ( R A P )4 20% 80% 2023 32% 68% 2024 40% 60% 2025 37% 63% 2026 36% 64% 2027 12 R&I 1 Investment Evolution CAPEX/Depreciation² Investments in R&I3 0.4x 0.4x 0.6x 0.9x 1,8x 2023 2024 1S25 1,220 1,373 685
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RAB Net 2013 – 2028 Rebound in Net Regulatory Asset Base 13 ¹ Actual value as of January 2023 7.4 6.5 6.6 R$ billion 01/2013¹ 06/2027 07/2025 01/2023¹ 01/2018¹ Va r i a t i o n i n N e t A s s e t B a s e : +1.9% 2018 – 2023 Cycle Va r i a t i o n i n N e t A s s e t B a s e : -12.0% 2013 – 2018 Cycle 2023 – 2028 Cycle Modernization of the asset base
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1.4 2024 2025 2026 2027 2028 2029 Recurring long-term investment exceeds the depreciation of the asset base ¹ Construction Cost, IFRS Accounting, Real Value – Database as of Jun/25 – from June 2025 to December 2029 | ² QRR: Regulatory Reinvestment Quota | 3 Database: jan/2023 Required investments until the end of the concession 3.1x Authorized Investments Planned InvestmentsCAPEX/Depreciation2 3 ~1.5x - ~3.5x QRR R$ billion 14 R$5.7 billion¹ in investments authorized by the regulatory agency
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¹ Unamortized Assets | 2 Regulatory Asset Base 15 The Paulista Concession contract falls under the category of renewed contracts and, as such, includes a clause that guarantees compensation for the residual value based on the Net Regulatory Asset Base (RAB)2 of investments made in Reinforcements & Improvements Renewed Contracts Residual Value Compensation¹
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The alignment between the contracts and the Accounting Manual ensures compensation based on the RAB value of all executed investments: Alignment between Contracts and the Accounting Manual ensures compensation only for unamortized assets related to Retroffting Investments The updated Accounting Manual now allows accelerated depreciation of investments Public gathering input review3 held in late 2024 2015 2019 • Initial investiment • Retroffiting • Improvements I n d i s c u s s i o n 2 Allocation of RAP by awarded concession within ISA Energia’s consolidated total | ² Weighted by the RAP for the 2025/2026 cycle | 3TS Aug/2024 • 13 concessions • 27% of RAP2 • 9 concessions • 41% of RAP2 Auctioned Contracts • 11 concessions • 32% of RAP2 16 Residual Value Compensation¹
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Greenfield Projects 17
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Projects delivered with excellence C u m u l a t i ve e vo l u t i o n of R A P f o r e n e r g i z e d p r o j e c t s ² ¹ ANEEL Investment at Auction Date, weighted by ISA ENERGIA BRASIL’s Share | ² RAP cycle 2025/2026, weighted by ISA ENERGIA BRASIL’s Share | ³ Comparison Against ANEEL deadline Timeline Assumes 100% Controlled | 4 Real investment, June 2025 base date, compared to ANEEL’s CAPEX 14 Energized Projects 2019 - 2025 ~5 Investments R$ billion1 1.1 RAP2 R$ billion - Bauru +1 - Itaquerê - Tibagi +2 - Aguapeí - Lorena +2 - Três Lagoas - Aimorés - Biguaçu - Paraguaçu - Ivaí +5 - T riângulo Mineiro - Itaúnas +2 - Minuano +1 - Água Vermelha +1 7months Average Anticipation3 CapEx average efficiency4 30% 16 111 212 946 1,064 1,117 1,125 2019 2020 2021 2022 2023 2024 2025 +R$1,109 R$ million 18
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Á g u a Ve r m e l h aM i n u a n o Energized May 2025 of CAPEX efficiency1 16% of anticipation2 16 monthsEnergized December 2024 of CAPEX efficiency1 14% of anticipation2 4 months Projects energized over the past 12 months 19 ¹ Real investment, May 2025 base date, compared to ANEEL’s CAPEX estimate | ² Comparison against ANEEL’s benchmark, considering 100% owned subsidiaries
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Portfolio Under Execution R$1.1 billion increase in RAP¹ CapEx R$ 7,3 billion² I t a t i a i a– M G & R J P i r a q u ê– M G & E S R i a c h oG r a n d e - SP J a c a r a n d á- SP ANEEL schedule: Mar/29 RAP¹: R$322 million CAPEX ANEEL²: R$3.2 billion ANEEL schedule: Mar/29 RAP¹: R$248 million CAPEX ANEEL²: R$2.3 billion ANEEL schedule: Sep/27 RAP¹: R$343 million CAPEX ANEEL²: R$3.7 billion ANEEL schedule: Mar/26 RAP¹: R$16 million CAPEX ANEEL²: R$0.2 billion ANEEL schedule: Mar/26 RAP¹: R$93 million CAPEX ANEEL²: R$1.1 billion ¹ RAP Cycle 2025/2026 | ² CapEx at auction reference date S e r r a D o u r a d a– M G & B A 20 Subestação (SE) Linha de Transmissão (LT)
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Auctioned projects under execution Po r t f o l i o e v o l u t i o n 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Executive Planning and Preparation Structuring and Detailed Pre-Engineering Construction and Assembly Commissioning Start of Operations Riacho Grande (Lot 7 auction 01/2020) Jacarandá (Lot 6 auction 01/2022) Piraquê (Lot 3 auction 01/2022) Itatiaia (Lot 7 auction 01/2023) Serra Dourada (Lot 1 auction 01/2023) 98% 82% 70% 25% 24% % of progress¹ ¹ Project Progress: evolution of all activities related to the project up to its energization, based on the September 2025 reference date Corporate Longevity Simplified Regulatory Framework Competition in the bidding Process Environmental License obtained 21
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Financial Discipline 22
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Growth strategy under execution 0.5 0.80.2 0.81.0 1.6954 0.61.4 1.64.2 5.4 12% 15% 5% 13% 26% 30% 23% 11% 34% 31% OPERATIONAL RAP EVOLUTION REVENUE BREAKDOWN 2018 (1st RTP) 2023 (2nd RTP) 2028 (3rd RTP)2018 (1st RTP) 2023 (2nd RTP) 2028 (3rd RTP) +1.2 (+28%) ¹ Operation and Maintenance + Retrofitting and Improvements Strategy execution Sustainable growth Revenue diversification by contract type Progress across all revenue streams Organic growth¹ Economic RBSE Financial RBSE Controlled 100% Jointly controlled Paulista Concession New Concessions 23 R$ billion | database jun/25
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Operational efficiency trajectory Reflects financial discipline and the realization of economies of scale 538 594 575 631 697 749 804 2018 2019 2020 2021 2022 2023 2024 O p e r a t i o n a l E f f i c i e n c y 47% 46% 38% 40% 36% 36% 34% Operating Costs and Expenses¹ Operating Costs and Expenses / Net Operating Revenue (ex-RBSE) R$ million 24 1 PMSO – Personnel, Material, Services and Others
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Financial discipline to raise capital at competitive costs 13.3% (cost under SELIC) Re a l a v e r a g e c o s t ¹ 7.5% (below current NTN-Bs (35 and 40)) AAA (br) Av e r a g e M a t u r i t y ¹ 7.6 years N o m i n a l a v e r a g e c o s t13 I n v e s t m e n t G r a d e ( F i t c h ) L e v e r a g e ¹ ² 3.43x 1 Data as of June 30, 2025 | ² Calculation based on BNDES financing methodology, with annual measurement | 3 IPCA inflation over the past 12 months: 5.32% 25
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Recent issuances priced below sovereign benchmark (NTN-B 35 and 40) 18 th 19 th C O S T < NT N- B R$1.4 bi Two series Mar/2025 1st and 2nd series: 8 years 1st and 2nd series: IPCA + 7.41% R$0.6 bi Single Jul/2025 10 years IPCA + 6.70% (0.32%) (0.34%) Financial discipline... Incentivized and Green Issuances 26 ... with a solid balance sheet and predictable cash flow, enabling access to capital markets below sovereign cost
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Low exposure to economic seasonality Portfolio management enables recurring revenue growth across multiple macroeconomic cycles 27 1 Nominal Value – regulatory accountability | ² CAGR: Compound Annual Growth Rate 0.6 0.8 0.9 1.0 1.0 1.1 1.3 1.5 1.6 1.9 2.1 2.4 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Net Revenue (ex-RBSE) R$ BI IPCA SELIC CAGR²: 12.7%
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Leading position in the sector P L AY E R 3 R E V E N U E E B I T DA 2.4 2.5 3.1 3.5 2021 2022 2023 2024 77% 76% 79% 78% 0.9 0.9 1.9 2.1 2021 2022 2023 2024 29% 29% 49% 46% N E T I N C O M E 3.1 3.3 4.0 4.6 2021 2022 2023 2024 10% P L AY E R 2 2.5 2.9 3.2 3.3 2021 2022 2023 2024 7% 1.8 2.2 2.4 2.3 2021 2022 2023 2024 6% CAGR (%) Revenue (R$ billion) EBITDA Margin (%) EBITDA (R$ billion) Margin (%) Net Revenue (R$ billion) 2.1 2.5 2.6 2.6 2021 2022 2023 2024 83% 84% 83% 80% 0.3 0.5 0.7 0.6 2021 2022 2023 2024 15% 18% 21% 17% 1.5 1.9 2.0 1.9 2021 2022 2023 2024 83% 84% 84% 80% 0.5 1.1 1.1 0.9 2021 2022 2023 2024 28% 47% 45% 43% R$ billion (Regulatory Accounting) 28
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Consistent compensation with total return above benchmarks 5.6% 3.4% 4.5% 2.3% 5.3% 17.4% 6.7% 9.1% 11.5% 4.7% 8.3% 10.3% 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Dividend Yield2 N/A 91% 123% 108% 95% 156% 81% 83% 210% 75% 75% 75% Regulatory Payout1 Pa y o u t & D Y To t a l s h a r e h o l d e r r e t u r n ¹ ( ba s e 1 0 0 ) in interest on equity per share (from 2013 to 2024) R$17.99 17.1% Ibovespa: 6.9% CDI: 9.9% IPCA: 5.8% ISAE4 Dec-12 Dec-13 Dec-14 Dec-15 Dec-16 Dec-17 Dec-18 Dec-19 Dec-20 Dec-21 Dec-22 Dec-23 Dec-24 ISA ENERGIA BRASIL Índice IEE CDI IBOV S h a r e h o l d e r r e t u r n ² Source: Bloomberg | 1 Total Shareholder Return includes dividend reinvestment | ² Database: sept/2025 100 29
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Payout ~75% of Regulatory net income³ R$0.674997 by share of both types Installment Total amount Record Date Ex-Date Payment Date Gross Amount per Share 1st R$ 148,248,084.52 Oct-30-25 Oct-31-25 Nov-28-25 R$ 0.224999 2nd R$ 148,248,084.52 Nov-24-25 Nov-25-25 Dec-12-25 R$ 0.224999 3rd R$ 148,248,084.52 Dec-17-25 Dec-18-25 Dec-30-25 R$ 0.224999 IOE¹ ² R$445 million Recent announcement of interim dividend distribution 30 ¹ Interest on Equity | 2 Refers to the first half of 2025| ³ Practice of distributing at least 75% of the regulatory net income
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Strategy and Net Zero Pathway
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STRATEGY | 2040 Positive impact on society 2050 Net Zero Pathway Reduce emissions by 60% by 2040 32 PROFITABLE & EFFICIENT RESILIENT, RELIABLE, & SAFE CLEAN & FAIR Energy that gives life to the transition Strengthen investments in infrastructure that drive decarbonization, including energy storage Foster innovation, digitalization, and technology to enhance operational efficiency Meet 100% of service level targets with resilient, flexible, and secure infrastructure, ensuring adaptation to climate change Create value through concession portfolio management Protect life and people's well-being through a culture of safety and secure practices
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2050 Net Zero Pathway A c h i e v e N e t Z e r o b y 2 0 5 0 Being Net Zero means driving deep decarbonization across our operations and value chain (Scopes 1, 2, and 3). Key challenges: reducing SF₆ emissions, energy and fuel consumption, and building a comprehensive baseline of emissions throughout our value chain. Includes Scope 1 and 2 emissions (excluding technical losses) and partial Scope 3 – The 2040 Strategy considers only Scope 1 and 2 emissions (excluding technical losses). Emissions updated as of Dec/24. Data and goals cover 100% controlled operating companies. ¹ NDC: National Determined Contribution Brazil NDC¹: Climate Neutrality by 2050 2035: Net emissions reduction of 59% to 67% (baseline year: 2005) 18,017 7,593 1,802 17,295 60% by 2040 90% by 2050 Net Zero Pathway 2022 to 2050 Aggregate data from January 2022 through December 2024 Intermediate goal 33
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Climate transition plan ISA ENERGIA BRASIL Governance and Transparency Regulatory Compliance External Certifications Strategic and Transparent Monitoring Mitigation Adaptation Advocacy Value Chain 2040 -> Reduce Scope 1 and 2 emissions by 60%¹ 2050 -> Net Zero – Reduce Scope 1, 2¹, and 3 emissions by 90% Offsetting residual emissions through the purchase of I-RECs and high-quality carbon credits GOALS (2022 baseline) ¹Excluding technical losses. 34 • SF6 loss management • Energy efficiency • Innovation and circularity • Renewable fuels • Biodiversity as a climate asset • Periodic climate diagnostics • Climate adaptation plan • Technology and contingency • Promote innovative and sustainable technologies • Strengthen the network’s climate resilience • Expansion of comprehensive Scope 3 mapping • Engagement actions to reduce emissions across the value chain
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The energy transition has created growth oppor tunities ¹ Micro and Mini Distributed Generation | 2 Flexible AC Transmission Systems | ³ Static Synchronous Series Compensator 35 New generation and consumption profiles demand operational f lexibility a nd innova tion • Connection of renewable sources • Major auctions to link North–South transmission lines • Modernization and renewal of the asset base • Growth of Distributed Generation (MMGD1) • Capacity reserve solution • New technological solutions Batteries Facts 2/SSSC 3 Electrification of the economy Evolution and the need for adaptation of the electric power sector
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Challenges and future opportunities
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INNOVATION: Optimization of existing infrastructure SSSC-type FACTS: Equipment capable of controlling power flow in transmission lines 37 ▪ Greater utilization of the existing transmission system; Power flow redirection ▪ Enhanced controllability and reliability through dynamic grid services; ▪ Postponement or avoidance of new transmission infrastructure investments. Situation 1 | Without SSSC Situation 2 | With SSSC 105% 40% 28% 98% 98% 98% +1,800 MW
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Pioneering: 1st SSSC-type FACTS project Execution agility to meet systemic demand 1 Directive nº 2463/2024 | ² Investment recognized by ANEEL as of the June 2024 reference date, adjusted by IPCA to September 2024 38 A N E E L I n v e s t m e n t = R $ 9 3 m i l l i o n ² Shorter project execution timeline Versatile, modular, and easily deployable technology Reduced environmental impact Competitive cost with adequate robustness Ribeirão Preto SE Project | Implementation by ISA ENERGIA BRASIL at the 138 kV ANEEL directive¹ estimates project completion by December 2025
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Hydro Wind Thermal Nuclear Solar Capacity Reserve Auction – LRCAP1 Power requirements [GW] Opportunity exceeding 14 GW by 2029 The net load curve underscores the need for system flexibility to manage imbalances between generation and consumption Declining solar output heightens need for flexible peak capacity Opportunity for scalable deployment of controllable capacity technologies Battery Load evolution Ty p i c a l d a y 0 10 20 30 40 50 60 70 80 90 100 Time of the day SIN3 electric load evolution [GW] September 1st, 2025 1 (LRCAP): Capacity Reserve Auction | 2 ONS: National Electric System Operator| ³ PEN: Energy Operation Plan Source: ONS², PEN³ 2025 Need for additional power capacity star ting as early as 2026 6.9 10.0 12.5 14.4 2026 2027 2028 2029 12:00 a.m. 1:00 a.m. 2:00 a.m. 3:00 a.m. 4:00 a.m. 5:00 a.m. 6:00 a.m. 7:00 a.m. 8:00 a.m. 9:00 a.m. 10:00 a.m. 11:00 a.m. 12:00 p.m. 1:00 p.m. 2:00 p.m. 3:00 p.m. 4:00 p.m. 5:00 p.m. 6:00 p.m. 7:00 p.m. 8:00 p.m. 9:00 p.m. 10:00 p.m. 11:00 p.m.
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Advancement of the regulatory framework ▪ Dedicated battery auction scheduled for 2026 ▪ Generation concession (competition for grid connection points – substations) ▪ Fixed remuneration based on asset availability ▪ Penalties applied for asset unavailability ▪ No revenue associated with energy trading (arbitrage not permitted) Advanced regulator y frameworks ▪ Methodology for charging and payment of TUST1 ▪ Deadline for commissioning ▪ Contractual term ▪ Stacking of services Key issues currently under review 40
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SEFAZ State Law 4819/58 41
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SEFAZ (4819) 1999 Establishment of ISA ENERGIA BRASIL Agreement between ISA ENERGIA BRASIL and SEFAZ reaffirming SEFAZ’s full financial responsibility (same model previously applied with CESP) 2004 SEFAZ begins to directly process payments and glosses application. C a s e H i s t o r y Extends to employees of companies controlled by the State of São Paulo and its autonomous agencies, admitted up to May 13, 1974, the retirement and pension supplementation that was previously restricted to state civil servants State Law No. 4819/58 42 Legal dispute initiated more than 20 years ago SEFAZ ISA ENERGIA BRASIL VIVEST Former Fundação CESP Beneficiaries P u b l i c C i v i l A c t i o n a n d C l a s s A c t i o n L a w s u i t 2005 Preliminary injunction restores the original payment flow and orders full payment of the amount due C o l l e c t i o n L a w s u i t 2017 Ruling in favor of the Company at the appellate level → SEFAZ appeals to the Superior Court of Justice (STJ) 08/2018 to 03/2019 Preliminary decision, later suspended, guarantees full payment to the Company 2024 Suspension of proceedings for mediation 1 2 3
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SEFAZ (4819) Mediation timeline Beneficiaries’ Profile July (2025) Retirees: 2,535 Average age: 80 years old 90% 10% Pensioners: 1,851 Average age: 78 years old 5% 90% Financials R$193 million Disbursement in 2024 October/2024 Procedural suspension for mediation December/2024 Case referred to CEJUSC/STJ May/2025 Initial Hearing: - Appointment of the mediator; - Extension of the deadline August/2025 Introduction of the mediators and case overview R$3.2 bi¹ Amount under discussion R$2.7 bi Accounts Receivable R$0.5 bi Provision Overview and update ¹ Historical amount 43
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Take Aways Proven track record of excellence in project delivery, regulatory management, asset oversight, and financial performance Execution of the investment plan aligned with innovations focused on grid modernization Consistent strategy implementation, with recurring dividend generation, a robust pipeline of future opportunities, and a solid sustainability agenda 44
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45 Q&A
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I N V E S TO R R E L AT I O N S | T E A M @isaenergiabr ri.isaenergiabrasil.com.br/ ri@brasil.isaenergia.com INVESTOR DAY 2025