Colbun Sa · BCS:COLBUN
Colbun Sa — Non-Deal Roadshow (July 2025)
22 slides from Colbun Sa's roadshow presentation, July 2025
Slide 1: Non-Deal Roadshow July 2025
NON-DEAL ROADSHOW July 2025
Slide 2: Company Representatives
Company Representatives Miguel Alarcón Soledad Errázuriz Isidora Zaldívar Carolina Plasser Chief Financial Officer Finance Manager Head of Investor Relations Investor Relations Analyst ✓ 20 years at Colbun ✓ 11 years of experience in ✓ 10 years of experience in ✓ 4 years of experience in Finance and
Slide 3: Agenda
AGENDA 1. COLBUN AT A GLANCE 2 . 2030 STRATEGIC AGENDA 3 . PIPELINE OF PROJECTS 4 . KEY FINANCIAL FIGURES 5 . GREEN FRAMEWORK 3
Slide 4: Colbun at a Glance
1. COLBUN AT A GLANCE Totoral Wind Farm 4
Slide 5: Main figures
COLBUN AT A GLANCE Main figures INSTALLED CAPACITY MARKET SHARE OWNERSHIP (%) 5,023 MW 4,451 MW 572 MW 13% 6% 50% 22% 18% 10% 58% 42% In terms of generation Renewable Thermal Matte Others Pension Angelini Group Funds Group ~6,100 MW Renewable capacity pipeline1 INTERNATIONAL RATINGS KEY FINANCIALS L
Slide 6: Market Conditions - Update
COLBUN AT A GLANCE Market Conditions - Update INSTALLED CAPACITY LTM GENERATION DEMAND GROWTH MARGINAL COST (GW) (GWh) (12 months average %) (US$/MWh) 300 Alto Jahuel Crucero 3% Hydro 250 22% 10% Puerto Montt 24% 200 Coal 8% 6% 150 67 SEN Natural Gas 3.0% 4% 100 37.3 GW 86,958 2% 53 GWh Wind 50 + 5.
Slide 7: Market Conditions - 2025 Overview
COLBUN AT A GLANCE Market Conditions - 2025 Overview CURRENT HYDROLOGICAL YEAR (APR 25-JUN 25) MARGINAL COST (USD/MWh) Accumulated Reservoir 2024 2025 Rainfalls level 120 (mm) (m.a.s.l) 100 vs vs Apr24-Jun24 Av. year 80 60 199 -157 mm -57 mm 40 Aconcagua MW -54% -30% 20 0 -612 mm -378 mm 410 Aug Jan
Slide 8: Commercial Strategy
COLBUN AT A GLANCE Commercial Strategy 1. FOCUS ON UNREGULATED CLIENTS 2. GENERATION VS COMMITMENTS LTM Unregulated Regulated TWh/year 24 hr CRUCERO 14 Gx 1.2 0.7 0.5 12 1.4 PPAs 4.4 1.8 2.6 10 Balance -3.2 -1.2 -2.1 8 6 11.5 TWh/year 24 hr JAHUEL ALTO 4 Gx 9.4 3.2 6.2 2 PPAs 5.9 2.6 3.3 0 Balance +
Slide 9: Thermal generation flexibility
COLBUN AT A GLANCE Thermal generation flexibility Colbun’s PPAs backed by its own generation (TWh)1 11.9 Ensuring generation units availability 11.6 and reliability 10.3 10.2 10.2 9.8 Gas Coal Maintenance optimization considering the system’s and Colbun’s conditions Wind Solar Preparation, flexibili
Slide 10: 2030 Strategic Agenda
2 . 2030 STRATEGIC AGENDA Horizonte Wind Farm 10
Slide 11: Strategic Pillars milestones
2030 STRATEGIC AGENDA Strategic Pillars milestones We transform energy, in balance with the planet, to boost your projects and dreams. Core business Expanding our limits New businesses Asset Renewable Customers Energy Growth and Water Green Optimization Energy 24/7 Solutions + International Hydrogen
Slide 12: Pipeline of Projects
3 . PIPELINE OF PROJECTS Diego de Almagro Sur Storage System 12
Slide 13: Portfolio of projects in different stages of development
PIPELINE OF PROJECTS Portfolio of projects in different stages of development 660 MW 638 MW 816 MW 456 MW 2,935 MW PROGRESS PROGRESS Construction Environmentally Environmentally Feasibility Pending COD STAGE approved STAGE approved 538 MW 833 MW 580 MW 800 MW Preliminary Feasibility Preliminary Susp
Slide 14: Growth Strategy
PIPELINE OF PROJECTS Growth Strategy Our hydroelectric capacity is a key complement to renewable energy from variable sources for the 24/7 renewable PPAs supply We have a diversified pipeline of projects that are among the most competitive of the country Predictable cash flows, sustained by long-ter
Slide 15: Key Financial Figures
4 . KEY FINANCIAL FIGURES Totoral Wind Farm 15
Slide 16: Last 5 years results
KEY FINANCIAL FIGURES Last 5 years results 1. OPERATING REVENUES (US$ million & %) 2. OPERATING COSTS (US$ million) Fuel Costs D&A Energy and Capacity Others Nonregulated Regulated Spot sales Others Purchases 1,349 1,427 1,974 2,004 1,576 1,606 1,430 1,496 10% 15% 22% 15% 17% 14% 1,149 1,154 1,133 3
Slide 17: Cash and Debt
KEY FINANCIAL FIGURES Cash and Debt 1. DIVIDENDS DISTRIBUTION 1 (US$ million & %) 2. CAPEX 2 (US$ million) 100% Dividends Maintenance Growth 1,023 471 477 100% 1,000 % Net Income 90% 80% 409 8 00 70% 50% 50% 50% 50% 242 60% 211 600 405 428 50% 400 327 40% 148 362 223 197 124 193 30% 127 114 20% 200
Slide 18: Financial Debt Snapshot
KEY FINANCIAL FIGURES Financial Debt Snapshot FINANCIAL DEBT PROFILE US$ 3.96% 4.6 100% 83% 44% 3.4x 2.3x 2.0 bn years USD Consolidated Interest Rate Average Composition Fixed Interest Green Gross Debt Net Debt Financial Debt Average Life by currency Rate Financing EBITDA EBITDA Percentage Percentag
Slide 19: Green Framework
5 . GREEN FRAMEWORK Ovejería photovolaic plant 19
Slide 20: SPO Review
GREEN FRAMEWORK SPO Review SUSTAINABILITY QUALITY SCORE RENEWABLE ENERGY Relevance Magnitude SQS5 SQS4 SQS3 SQS2 SQS1 SQS1 Poor Limited Moderate Significant High Weak Intermediate Good Very good Excellent ENERGY EFFICIENCY Relevance ALIGNMENT WITH PRINCIPLES CONTRIBUTION TO SUSTAINABILITY Magnitude
Slide 21: Eligible Category and Criteria
GREEN FRAMEWORK Eligible Category and Criteria TERRESTRIAL AND CLIMATE CHANGE RENEWABLE ENERGY ENERGY EFFICIENCY AQUATIC BIODIVERSITY ADAPTATION Construction, acquisition, Focus on reducing energy Focus on conservation, Projects should enhance development, investment, consumption and protection, and
Slide 22: Non Deal Roadshow
NON DEAL ROADSHOW July 2025