1967-2017

50th anniversary

Latin America footprint

Chile

Central America

Colombia

Peru

Bolivia

Brazil

Argentina

EcuadorColombia ISA INTERCOLOMBIA TRANSELCA INTERNEXA XM Sistemas Inteligentes en Red

Ecuador Transnexa, 5% investment through INTERNEXA and 45% through INTERNEXA (Peru)

Peru REP Transmantaro ISA Perú Proyectos de Infraestructura del Perú INTERNEXA

Bolivia ISA Bolivia

Central America EPR, ISA’s investment (11.11%) Interconexión Eléctrica Colombia - Panamá, ISA’s investment (50%) REDCA, ISA’s investment (11.11%) through INTERNEXA

Brazil CTEEP IEMG PINHEIROS SERRA DO JAPI EVRECY INTERNEXA

Argentina Internexa

Chile INTERCHILE INTERNEXA INTERVIAL CHILE Ruta del Maipo Ruta del Maule Ruta del Bosque Ruta de la Araucanía Ruta de los Ríos

Dis

rupt

ive

busin

ess models

Navigate technology and preserve

the human touch

The shared, digital, expectation economy

Increasing community’s empowerment

Looking aheadRelationships built on trust

Purpose

Our peers have changed

CONNECTIONS THAT INSPIRE

2016 challenges

Politicaland economic

uncertainty

Complex regulatory environment

Project execution and completionGrowth

Telecommunication obsolescence risk

El Niño phenomenon

Environmental permits

Project funding

ISA offset

100%of GHGs

COP 2.1 billion, ISA’s net income reached

highest result in its history

JANUARY/ISA was included in the Sustainability Yearbook 2016

APRIL/ANEEL recognized the RBSE value in CTEEP

INTERNEXA unveiled its new strategy

MAY/ISA won a public tender to execute San Antonio transmission project in Boyacá, Colombia USD 57 million investment

JUNE/CTEEP negotiated collective agreements with unions

NOVEMBER/5% increase in organization climate, highest result

DECEMBER/

SEPTEMBER/ISA was listed in the Dow Jones Sustainability Index

OCTOBER/ISA signed innovation partnership with MIT

REP negotiated collective agreements with unions

CTEEP won public tender to execute 3 transmission projects in Brazil USD 235 million investment

FEBRUARY/ISA placed bonds in the

local market for COP 400,000 million

2016 milestones

Leading company in corporate governance Innovative company

Accolades

CTEEP – Great Place to Work

CTEEP – Annual sustainability report

→ Brazil

INTERVIAL –Road safety

Best management practices for SME suppliers

INTERCHILE – Best PowerFinancing

→ Chile

INTERNEXA – WholesaleProvider of the Year

Best Service of the Year

XM – Corporate social responsibility

→ Colombia → Peru

REP – Corporate social responsibility

REP – Best environmental practices

Accolades

99,99%RELIABILITYUnchanged

99,87% AVAILABILITY

81.345 MVAtransformation capacity

+0,6%

42.064 km*high-voltage circuits

+0,4%

ELECTRIC ENERGY TRANSMISSION

* comparableto 1 earth’s circumference

Service Level

96,42%SERVICE LEVELUnchanged

135 millionvehicles per year

Unchanged

907 kmroad infrastructure

+8,8%

ROAD CONCESSIONS

Service Level

96.12%SERVICE LEVEL

+2%

INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS

+15%

761 clients

Unchanged

48,886 km * Comparable to 1.2 earth’s circumference

Service Level

fiber optic cable

66,315 GWhDEMAND SUPPLIED

+1,1%

+0,2%

REAL-TIME SYSTEMS MANAGEMENT

16,595 MWinstalled capacity

Unchanged

COP 19 billiontransactions in the wholesale energy market

Service Level

9 membersBoard of DirectorsUnchanged

Unchanged

78% independentBoard of Directors

22% womenBoard of Directors

+40%

Good Governance

3,796employees

61%employees belong to labor unions

Collective agreements successfully negotiated with the unions of CTEEP and REP

+5%

23%women

+1%

+5%

organization climate78%

Employment

COP 21,000million investment in communities

0human rights violations

224.719children benefited from education programs

100%Ethic Line reports addressed

Social

+40%

EducationPeace and developmentPoverty reduction

COP 54,000 millioninvestment

ISA,INTERCOLOMBIAand XM carbon neutral

projects with environmental licensesapproved,

Fauna and flora preservationForest compensation programsEnvironmental management plans

70%

30%under way

Environment

Consolidated financial results

COP MILLION 2016 2015 % YOY VARIATION

RESULTS

Operating revenues 12.137.552 5.270.649 130,3

AOM costs and expenses (excl. pensions) 3.214.429 2.399.034 34,0

EBITDA 8.923.123 2.871.615 210,7

Provisions, depreciation, amortization and pensions 668.143 611.851 9,2

Operating costs and expenses 3.882.572 3.010.885 29,0

Other net income 248.254 145.205 71,0

Operating income 8.503.234 2.404.969 253,6

Net financial expenses (1.033.341) (924.637) 11,8

Income before taxes 7.469.893 1.480.332 404,6

Income tax provision 2.452.158 440.785 456,3

Income before minority interest 5.017.735 1.039.547 382,7

Minority interest 2.881.106 337.999 752,4

Net income 2.136.629 701.548 204,6

BALANCE SHEET

Assets 38.516.200 28.112.870 37,0

Liabilities 21.604.722 16.719.817 29,2

Equity attributable to owners of the parent company 9.863.857 7.840.224 25,8

Non-controlling interest 7.047.621 3.552.829 98,4

Equity 16.911.478 11.393.053 48,4

Consolidated revenues

Brazil

Colombia

Chile

Peru

Others

Electric energy transmission

Road concessions

Information technology and telecommunications

Real-time systems management

Revenues YOY variation

+25%

12

9

6

3

0

CO

P b

illio

n

2014 2015 2016

12,14

6,61(Excl. RBSE)

Breakdownby business

(Excl. RBSE)

Breakdownby country(Excl. RBSE)

74,1%

20,9%2,0%

28,6%

19,1% 29,4%

2,0%5,1%

18,8%

4,225,27

+25,4%

+130%

COP 8.92billion

+211%

Consolidated EBITDA

EBITDA EBITDA margin

54,5%54,5%

73,5%

30,5%

22,7%

24,6%

20,3%

1,9%

12

9

6

3

0

CO

P b

illio

n

2014 2015 2016

Brazil

Colombia

Chile

Peru

Others

Breakdownby country(Excl. RBSE)

2,302,87

8,92

3,40(Excl. RBSE)

Profitable growthCost optimizationRisk management

COP 2.13billion

+205%

Net income

Net income Net margin

12,1% 13,3%

visionachievement

94%

3

2

1

0

CO

P b

illio

n

2014 2015 2016

0,510,70

2,13

0,76(Excl. RBSE)

17,6%

ISA’s Vision:To triple 2012’s

Net Income by 2020

COP 38.52billion

+37%

Consolidated assets

Breakdownby country

Brazil

Colombia

Chile

Peru

Others

38,4%

18,9%

26,6%

15,5%0,6%

3,8 vecesEBITDA/ Interest(Excl. RBSE)

COP 21,60 billion+29%

Consolidated liabilities

Breakdownby country

Brazil

Colombia

Chile

Peru

Others

27,8%

22,6%31,1%

18,0%

0,5%

COP 9,9billion

+25,8%

Equity

Balance sheet composition

1/1/2014NCIF

2014NCIF

2015NCIF

2016NCIF

Non-controlling interest

Equity

Liabilities

23,3

12,3% 13,9% 12,6% 18,3%

26,7% 26,9% 27,9% 25,6%

61,1% 59,2% 59,5% 56,1%

25,6 28,1 38,5

CO

P b

illio

n

ISA financial results

COP MILLION 2016 2015 % YOY VARIATION

RESULTS

Operating revenues 882.446 848.082 4,1

AOM costs and expenses (excl. pensions) 139.340 129.476 7,6

EBITDA 743.106 718.606 3,4

Provisions, depreciation, amortization and pensions 189.361 179.670 5,4

Operating costs and expenses 328.701 309.146 6,3

Other net income 1.910.009 410.540 365,2

Operating income 2.463.754 949.476 159,5

Net financial expenses (229.899) (55.878) 311,4

Income before taxes 2.233.855 893.598 150,0

Income tax provision 92.395 187.277 -50,7

Net income 2.141.460 706.321 203,2

BALANCE SHEET

Assets 13.840.631 11.393.622 21,5

Liabilities 3.962.397 3.543.851 11,8

Equity 9.878.234 7.849.771 25,8

Share performance

COLCAPS&P ISA

-20.0

-10.0

0.0

10.0

20.0

30.0

40.0

50.0

60.0

35,2% 50,8%

17,2%

9,5%

14,1%

17,5%

31/Dec 30/Jan 29/Feb 30/Mar 29/Apr 29/May 28/Jun 28/Jul 27/Aug 26/Sep 26/Oct 25/Nov 25/Dec 24/Jan 23/Feb 25/Mar

321

80

2.467

287

Investment USD million

INORGANIC

ORGANIC

4 new projects

100 projects under execution

Acquisition of 41,6% shares of the control block 26% of ordinary shares 14,9% of share capital

Growth

Brazil and Colombia

Annual revenues USD 52 million

Stake of 48% of share capital

Pareto 9 projects

Chile, Colombia and Peru

Investment USD 2,043 million

Annual revenues USD 201 million

Superior operational, financial and governance performance

Predictable cash flow and stable regulatory regime

19% market share

33 concessions, 11.000 km high-voltage circuits

Participation in future tenders and acquisitions leveraged on synergies

Coverage of energy intensive consumption areas

TAESA’s attractiveness

Superior operational, financial and governance performance

Predictable cash flow and stable regulatory regime

19% market share

33 concessions, 11.000 km high-voltage circuits

Participation in future tenders and acquisitions leveraged on synergies

Coverage of energy intensive consumption areas

TAESA’s attractiveness

0

CO

P b

illio

n

2017 2018 2019 2020

5

4

3

2

1

Investment plan

Colombia Peru Brazil Chile Others

COP 8.7billion committed to investmentssupports future growth

32,8%

30,5%

22,8%

13,8%0,1%

Brazil

Colombia

Chile

Peru

Others

Breakdownby country

Manage business growth in Brazil

Timely and efficiently execution of the project backlog (USD 2,7 billion)

Effectively manage risks

Transform the talent management model

Envision new strategic goals

Contribute to the UN’s sustainable development objectives

Understand the business environment and timely adapt the business model

Win profitable new businesses

2017 challenges

YEARS

Open

FriendlyMentors of new generations

Promoters ofwellbeing

Sustainable

What we want to be

Formulated with both communities and experts

Forestry projects located in critical zones

Sale of certified carbon credits

The jaguar connection projectCentral America

Colombia

Peru

Bolivia

Brazil

Chile