The energy that you want

The energy that you want

ene.-07 ene.-08 dic.-08 dic.-09 dic.-10 dic.-11 dic.-12 dic.-13 dic.-14 dic.-15 dic.-16 The electricity company of Grupo Argos that offers an innovative energy portfolio to cities, businesses and homes. COP 130 per share annual dividend - 7,6% CAGR 5y SHAREHOLDER STRUCTURE Other; 16% Foreign Funds; 4% Cement Energy Ports Roads & Airports COP 3,3 Trill. Market Cap Grupo Argos; 53% 3,21% Current Dividend Yield HISTORIC PRICE Celsia Colcap Volume (COP Mill.) 120,000 100,000 80,000 60,000 40,000 Pension Funds; 28% 20,000-47 % Market float

Celsia at a glance Colombia Panama Costa Rica INSTALLED CAPACITY 2.387 52% Renewable MW 27 FACILITIES (22 Renewables) 76% Hydro output 20% Thermal output 4% Wind output More than 593.000 Clients Regulated and nonregulated in Colombia +1.600 Employees In Colombia & CA REVENUES 1Q17 G T+D+C ANNUAL POWER GENERATION 7.125 GWh 79 SUBSTATIONS 20.230 Km Distribution grid 274 Km Transmission grid

Substantial expertise in electric utilities management Leading electricity generation company 4th in Colombia Vertically integrated 2nd in Panama Solid asset base well diversified by geography, business type and fuel source Development of renewable energy sources Best in operational metrics Steady cash flows that contribute to revenue stability and predictability

Projects under study & development SOLAR FARMS 2017-2019 +200 Celsia Solar Yumbo, 9,9MW 2017 Our first solar farm MW (+140 MW pipeline projects) 200 MW prevent the emission of approximately 115,000 tons of CO2 per year Norte Caracolí Manzanillo Cuestecitas Nueva Montería Valledupar T&D expansion Plan 5 Caribe 2018 Porvenir II San Andrés hydro 2021 20 MW hydro 2023 352 MW

Client centric culture GREATER VALUE FOR CLIENTS Efficient & sustainable business models GENERATE CLEANER ENERGY meet lower-carbon expectations & diversify energy sources TRANSFORM CLIENT EXPERIENCE convenience, control & choice in energy usage MODERNIZE OUR POWER GRID reliable & flexible to support DER

Business units TRADITIONAL ASSET MANAGEMENT Generation, transmission, distribution & retail sales COMPANIES Commercial & industrial businesses SMART CITIES New urban developments Shopping centers RESIDENTIAL Well informed families Smarter & more connected homes Business opportunities Developing organizational skills

Developing our portfolio Solar PV Solar farms Backup power District cooling system & CHP Ventures Cogeneration Efficient lightning Electric asset management Early stage 4 Traditional model Core business 1 Emerging business 2 3

Making smart cities a reality Developing an embedded utility company Expanding energy ecosystems Energy efficiency Designing a smart city from scratch Sustainable flexible consumption Energy independence Site assessment Engineering Permitting Installation Final Inspection Interconnection Operation & Maintenance

Unlocking value through customer engagement Solar farms 5 projects 1 under construction in Colombia & Panama + 200 MW of installed capacity Rooftop solar PV Non-regulated business 97 clients +37 MW Mean annual Gx: 54 GWh Contract term: 20 to 25 yrs: Backup power as a service Non-regulated business 28 plants 19 companies 2 District cooling system & CHP Non-regulated business High potential target market in the Caribean Coast Colombia s insolation averages 5 kwh / m2 per day Capacity factor is ~1.500 hrs per annum or more of usable solar energy per annum

Innovation is way more than just a division Technology Intelligence Business model s Intelligence Technology intelligence Successful business models Pilot projects Start-up projects DERs Automation Mobility Energy storage Sustainable innovation culture through the involvement of all teams

Taking great pride in our corporate culture We are agile & reliable We dare to be different We enjoy making life easier We give the best to grow together Developing organizational skills required for the business transformation Attracting and retaining the best human talent Improving employees quality of life

Digital transformation at all levels: fast & furious NOVA: Brand new SCADA WFM Customer APP Digital kyosk Internal services APP SMD / MDM

Celsia key takeaways Our culture is our priority Customer centric On the path of digital transformation Operational excellence Fostering innovation Synergies with

Investor Relations inversionistas@celsia.com

Appendix

Consolidated financial results REVENUES (tn COP) +2% +9% +18% +9% 1.8 2.0 2.4 2.6 +43% +3% 3.7 3.8 2011 2012 2013 2014 2015 2016 EBITDA (bn COP) +7% +2% +18% +5% -24% 714 731 865 905 684 +51% 1,031 2011 2012 2013 2014 2015 2016 thermal generation (+16%) Steady growth on distribution revenues (+4%) 1S: Niña 2S: drought hydro generation (-21%) Spot prices (+56%) Generation (+22%) Good hydro levels in reservoirs Higher distribution revenues (+9%) Spot prices (+27%) Good hydro levels in reservoirs Higher distribution revenues (+9%) Spot sales Spot sales (firm energy obligations) firm energy obligations + Panama and Costa Rica Diesel costs Cost of deviations fuel and energy purchases costs Relevant contribution of Central America s assets

Key measures 2012 2013 2014 2015 2016 Dividend (COP billion) 71.958 80.593 86.350 86.350 91.196 Total dividend growth rate (%) 11,1% 12,0% 7,1% 0,0% 11,4% Dividend per share 100 112 120 120 130 Dividend per share growth rate (%) 11,1% 12,0% 7,1% 0,0% 8,3% Yield 1,87% 1,97% 2,04% 4,29% 3,21% Payout ratio 31,2% 21,6% 50,6% ND 292% CPI 2,44% 1,94% 3,66% 6,77% 5,75% Dividend / CPI 4,6x 6,2x 2,0x 0,0x 1,4x EBITDA (COP bn) 731 865 905 684 1.031 Net income (COP billion) 230,8 373,6 170,5 (137,0) 33,0 Shares outstanding (million) 719,6 719,6 719,6 719,6 740,0

COP Bn. Credit metrics FINANCIG SOURCES KEY METRICS 52% 4% 6% 38% Bonos Crédito comercial Crédito multilateral Net debt / EBITDA EBITDA / Financial expenses 3,48x 2,91x Leasing Net debt / Equity 2,91x BY CURRENCY Av. cost of debt COP Av. cost of debt USD 9,89% 4,50% 1,600 1,400 1,200 53% 47% COP USD 1,000 800 600 400 200 0 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 ZF Celsia EPSA CTC Celsia BLM