16 slides from Interconexion Electrica Sa Esp's earnings presentation, Oct 1, 2025
Slide 1: Important note
Corporate Presentation Important note ISA has prepared the following report for information purposes. The Company is not liable for any investment decision based on this report. Some statements contained herein reflect our current views with respect to future events and, therefore, are based on assu
Slide 2: Corporate Presentation 2025
CORPORATE PRESENTATION 2025
Slide 3: Leader in power transmission, roads, and digital infrastructure in Latin America
Panamericana Este ISA + ITCO 58% 246 kms 64% Transelca 6% R. Costera: 146 km Leader in power transmission, roads, and digital infrastructure ISAE1 11% 18% in Latin America 74% TAESA 7% CTM 42% Key indicators REP 27% 4% ISA Bolivia ISA Perú 5% Transformation ~110,000 Roads in 811 capacity MVA operati
Slide 4: Attributes of our value proposition
Attributes of our value proposition Long-term revenue Long-term and Robust cash flow contracts, protected perpetual concessions generation from inflation Diversification across Strong Resilience to economic growing markets financial position cycles 3
Slide 5: Investments of ~USD 710 million in 1H25, demonstrating execution capacity
Investments of ~USD 710 million in 1H25, demonstrating execution capacity Executed Capex Capex by country USD million 416 Panama & others; 9% Effective participation 364 350 of ISA in Capex Peru; Colombia; 286 286 12% 20% 260 31% 27% Chile; 11% 17% Brazil; 12% 48% 1Q24 2Q24 3Q24 4Q24 1Q25 2Q25 13% 5
Slide 6: Strong and consistent financial performance
Strong and consistent financial performance (Amounts in USD billions) Revenue EBITDA (Amounts in USD billions) 3,9 Revenue EBITDA 2024 2024 3,1 3,2 3,0 2,8 82% 25% 2,4 2,1 2,0 2,1 1,8 42% 15% 14% 3% 19% 2020 2021 2022 2023 2024 2020 2021 2022 2023 2024 Revenue 6M2025: USD 1.8 Bn. EBITDA 6M2025: USD
Slide 7: 18% of revenue is denominated in USD, and over 80% from contracts of 10+ years
18% of revenue is denominated in USD, and over 80% was from contracts of 10+ years. Currency diversification Revenue from long-term contracts, mainly B2G Others; 1% 1-5 years 3% COP; BRL; 24% 10+ years Perpetual 44% 54% 28% Revenue Revenue 6M2025 6M2025 USD 1.8 B USD 1.8 B USD; 5-10 years 18% 15% CL
Slide 8: Investment grade rating and debt capacity
Investment grade rating and debt capacity ISA MOODY'S Baa2 Bank Green Fixed Credits Bonds Fitch Ratings BBB Rate; 15% 48% 51% CTEEP Fitch Ratings AAA Total DCM Total Debt debt CTM MOODY'S Baa3 Fitch Ratings BBB Capital Ordinary Variable Interchile Markets Bonds Rate; MOODY'S Baa1 85% 52% 49% Fitch R
Slide 9: Investments to be executed from 2025 to 2030 for USD 6.8 Bn
Investments to be executed from 2025 to 2030 for USD 6.8 Bn Investment Plan Future Execution (Figures in USD billions) 4% 10% USD $5.2 Bn. USD $1.6 bn. 19% USD 6.8 Bn 48% 19% 2025 2026 2027 2028 2029 2030 Projects under Construction km of line km of roads 37 5,432+ 296 85% 9% 6%
Slide 10: Low cost of debt given our regional diversification
Low cost of debt given our regional diversification Z-Spread 1 (01/24 – 05/25) 450 400 350 300 250 200 150 100 50 BRAZIL 6 10/20/2033 Govt CHILE 2,55 07/27/2033 Govt COLOM 8 04/20/2033 Govt PERU 8,75 11/21/2033 Govt ISACB 11/26/2033 Pbs Colombia 33 Brazil 33 Peru 33 Chile 33 ISA 33 Max 298 293 209 1
Slide 11: ISA's country risk premium, weighted by Net profit, is lower than Colombia's
ISA's country risk premium, when weighted by Net profit, is significantly lower than Colombia's country risk. Bps 400 Colombia 350 300 ISA Brazil EMBI 250 Peru 200 Chile 150 100 80 120 160 200 240 280 320 360 Bps CDS Country Brazil Chile Colombia Peru ISA average1 CDS 294 109 360 145 254 EMBI 231 13
Slide 12: ISA's shares appreciated by 25% in the last twelve months
ISA’s shares appreciated by 25% in the last twelve months, with an average daily volume of USD 1.8 billion ISA share performance Sept 2024 – Sept 19, 2025 25.000 100.000.000.000 Market Cap (COP T) $24.9 22.500 Market Cap (USD B) $6.4 90.000.000.000 80.000.000.000 20.000 Máx. Price (LTM – COP) $23,62
Slide 13: General Shareholders' Meeting approved an ordinary dividend of COP 1,265 per share
The General Shareholders' Meeting approved an ordinary dividend of COP 1,265 per share, equivalent to 50% of net profit of 2024. 4000 Dividends per share and payout 70% Indicators Annual dividends are stated in Colombian pesos 3500 60% ROAE 3000 70% 50% 88% 50% 50% Average 2019-2024 13.7% 45% 45% 50
Slide 14: Consolidate the power transmission
Consolidate Deploy/ Grow selectively/ Enter into Multiply EBITDA Active Make a positive the power Accelerate new strategically in the new for + 2X portfolio contribution to transmission electric energy roads business unit geographies management talent, business unit businesses communities and nature
Slide 15: Closing statements
Closing statements o Recurrent operating performance is strong and growing. o Year to date, we generated revenue of USD 1.8 billion and EBITDA of USD 1 billion. o We manage our debt responsibly, maintaining our investment grade rating. o We closed the first half of the year with investment commitmen
Slide 16: Thank you!
Thank you!