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4Q 2019 TGI Results PresentationMarch 4, 2020

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Disclaimer

This presentation contains statements that are forward-looking within the meaning of Section 27A of the Securities Act of 1933,as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended. Such forward-lookingstatements are only predictions and are not guarantees of future performance. All statements other than statements ofhistorical fact are, or may be deemed to be, forward-looking statements. Forward-looking statements include, among otherthings, statements concerning the potential exposure of TGI, its consolidated subsidiaries and related companies to market risksand statements expressing management’ expectations, beliefs, estimates, forecasts, projections and assumptions. Theseforward-looking statements are identified by their use of terms and phrases such as “anticipate”, “believe”, “could”, “estimate”,“expect”, “intend”, “may”, “plan”, “objectives”, ”outlook”, “probably”, “project”, “will”, “seek”, “target”, “risks”, “goals”, “should”and similar terms and phrases. Forward-looking statements are statements of future expectations that are based onmanagement’s current expectations and assumptions and involve known and unknown risks and uncertainties that could causeactual results, performance or events to differ materially from those expressed or implied in these statements. Although TGIbelieves that the expectations and assumptions reflected in such forward-looking statements are reasonable based oninformation currently available to TGI’s management, such expectations and assumptions are necessarily speculative andsubject to substantial uncertainty, and as a result, TGI cannot guarantee future results or events. TGI does not undertake anyobligation to update any forward-looking statement or other information to reflect events or circumstances occurring after thedate of this presentation or to reflect the occurrence of unanticipated events.

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Key Updates

Financial and Operational Performance

Investment Projects

Questions and Answers

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Agenda

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Key Updates01

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October 7: ratification of the corporate and bond rating by Fitch Ratings on BBB, stable

December 13: ratification of the corporate rating by S&P at BBB-, stable

5.8% increase in revenues in 4Q 2019 vs. 4Q 2018

EBITDA margin 4Q 2019 grew 1,5 pp to 71,1%

Second dividend payment of USD$39,8 mm

July 16: bond rating ratified by Moody's Investor Services at Baa3, stable

Key Updates1Financial Performance

EBITDA growth of 9,6% during 2019 to USD$360,4 mm and increase in EBITDA margin in 2,4 pp from 74,5% to 76,9%

Higher revenue (+ 6,1%) during 2019 compared to 2018 due to: change of charges to 100% fixed in a contract, rate indexation, anddecrease of suspensions due to scheduled maintenance and/or force majeure events during 2019

Adoption of IFRS 16 from January 1, 2019

Increase in bad debt allowance by methodology established in IFRS 9

Capitalization of Contugas for USD$21,7 mm and recognition of loss by participation method for USD$22,9 mm

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Key Updates1

TGI Forum: issues on the future of gas in South America, perspectives of gas in Colombia and its potential in the Colombian market (4Q 2019)

Strategic Performance

Renewal of Cusiana - Sabana and Ballena Barrancabermeja contracts for an estimated value of USD$40 mm (3Q 2019)

Relationship and diagnosis of indigenous communities in the area of influence of the Ballena sector, Guajira (1Q 2019)

TGI, ACP and commercialization agents networking round: 2nd workshop addressing commercial and infrastructure issues for connection and development of new fields (3Q 2019)

Subscription of contract for the first project of Works for Taxes for COP$8.500 mm for the construction and optimization of the networks of the aqueduct system in the urban center of La Paz, Cesar (2Q 2019)

A vehicle use restriction exemption for gas vehicles was announced (1Q 2019)Internal approval by TGI of new agreements to promote the use of CGVs for the period between August 2019 and November 2021 These agreements were signed with Vanti, EPM, GDO, Efigas, Gases del Llano and Alcanos de Colombia (2Q 2019)Transmilenio: entry into operation of 140 CGV units out of a total of 741 scheduled (2Q 2019)

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Key Updates1Operational Performance

Cusiana Phase IV: Loop Puerto Romero – Vasconia (46 Mpcd). Mechanical completion: December 21

With information provided by TGI, CREG opened a file to determine the efficient value of investment and AO&M for 4 IPAT projects (3Q 2019)

Delivery of exit points Floresta (Boyacá) and Paratebueno (Cundinamarca) during 1Q 2019

Start of operations of the realignment for the Gualanday - Dina gas pipeline (1Q 2019)

Completion of adaptation works in Vasconia – Miraflores – Puente Guillermo stations (3Q 2019)

Replacement of branches: entry into operation of the Yarigüíes - Puerto Wilches branch on November 30 and of the Pompeya branch on December 12

IFIAT index at 0,3 for 2019 against proposed maximum of 1,08, highlighting 5th consecutive year with 0 fatalities

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Financial and Operational Performance02

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Revenue Breakdown

Stable and predictable cash flow generation2TGI presents stable revenue during 2019

Revenue by Industry Revenue by Currency

Revenue 2019: USD$468,8 mm (+ 6,1%)

▪ Annual revenue 2019 of USD$468,8 mm (+ 6,1%) vs. 2018 due to:

✓ Change of charges to 100% fixed in a specific contract

✓ Fewer suspensions due to maintenance and/or force majeure

✓ 2019 price indexation

✓ Higher transported average volumes

▪ Distribution, Refinery, Thermal and Vehicle sectors led demand during 2019(96,1% in 4Q 2019)

▪ 4Q 2019 vs. 4Q 2018: revenue grew USD$6,4 mm (+ 5,8%):

✓ Tariff indexation

✓ Increased detours and hiring

✓ Fewer suspensions

Revenue by Charge

USD$ Million

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Operating Income Net Income

TGI Financial Performance2

USD$ Million USD$ Million

USD$ Million

Sustainable and profitable results

▪ EBITDA:

✓ 2019 vs. 2018: USD$360,4 mm (+ 9,6%) and 76,9% margin

✓ 4Q 2019 vs. 4Q 2018: USD$83,5 mm (+ 8,0%) and 71,1% margin

▪ Operating income:

✓ 2019 vs. 2018: USD$269,4 mm (+ 8,0%)

✓ 4Q 2019 vs. 4Q 2018: USD$63,0 mm (+ 12,3%)

▪ Net income:

✓ 2019 vs. 2018: USD$125,9 mm (- 7,4%) and 26,8% margin

✓ 4Q 2019 vs. 4Q 2018: USD$16,2 mm (- 74,3%) and 13,8% margin

EBITDA & EBITDA Margin

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USD$ Billion

TGI Financial Performance2Capital structure

▪ Moody's: ratification of Baa3 bond rating with stable outlook (July,2019)

▪ Fitch: corporate and bond credit rating ratified at BBB with stableoutlook (October, 2019)

▪ S&P: corporate rating ratification BBB-, stable (December, 2019)

▪ Payment of IELAH debt in August 2019 (due to maturity)

▪ Improvement of indebtedness ratios:

✓ Total gross debt/EBITDA at 3,1x (3,5x in 2018)

✓ EBITDA/Financial expenses at 5,2x (3,8x in 2018)

PPE Liabilities | Equity

Cash and Equivalents

USD$ Billion

USD$ Million

Equity

Liabilities

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TGI Financial Performance2Gross Total Debt / EBITDA

Net Total Debt / EBITDA EBITDA / Financial Expenses

Debt Profile

LTM

LTM

LTM

Total Gross DebtUSD$ 1,1 billion

4.0(1)

(1) Reasonable indebtedness limit

3.0(1)

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Gas pipeline Length(Km)

Transported VolumeAverage – Mscfd

The total length of TGI’s pipeline system is approximately 3.994Km, of which 3.844 km are the property of and operated by TGI;the remaining 150 Km, even though they are under control andsupervision of TGI are operated by the contractor.

Of the total volume transported in the nationwide pipelinenetwork, TGI had a volume transported of 483,6 Mpcd, ofwhich greater use was made of the fixed portion by dispatchersand there was an increase in detours. Compared to 4Q 2018,volume shows an increase close to 5.2%.

Operational Performance2

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Total Capacity Firm Contracted Capacity(1)

Use Factor

(Mscfd) Average – Mscfd

(1) The tendency line refers to the ratio: Firm contracted capacity/available capacity. The Available capacity differs from the Total Capacity because TGI requires a percentage of the same for its own use

Operational Performance2

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Investment Projects03

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Project Description Total projectinvestment

Status

Increase the natural gas transportationcapacity by 58 Mscfd between Cusiana andVasconia.

• Construction of 38,5 Km of loops of 30”in diameter

• Expansion of the Gas CompressionStation of Puente Guillermo

• Modifications to the Gas CompressionStations of Miraflores and Vasconia

~$ 92,3 mm

• Total CAPEX executed to date – USD$57,3 million• Total CAPEX executed 4Q 2019 – USD$9,5 million• Physical Work Progress – 80,5%• Start of operations:

₋ Puente Guillermo Station: 17 Mpcd – 2Q 2018₋ Loop Puerto Romero – Vasconia: 46 Mpcd – 1Q

2020 (Mechanical finalization: 4Q 2019)₋ Loops Puente Guillermo – La Belleza and El

Porvenir – Miraflores: 12 Mpcd – 3Q 2020 *

Cusiana Phase IV

Replacement of

Branches

Replacement of 4 branches for reachingtheir regulatory useful lifespan inaccordance with resolution CREG 126 of2016 and 1 branch by mutual agreement:

~$ 11,6 mm

• Total CAPEX executed to date – USD$5,8 million• Total CAPEX executed 4Q 2019 – USD$1,8 million• Physical Work Progress – 73,1%• Start of operations:

₋ Yarigüíes – Puerto Wilches Branch: 4Q 2019₋ Branch Pompeya: 4Q 2019₋ Z. Industrial Cantagallo – Cantagallo: 1Q 2020 *₋ Branch Cantagallo – San Pablo: 1Q 2020₋ Branch Galán – Casabe – Yondó: 1Q 2020

• Branch Yarigüíes - Puerto Wilches

• Branch - Pompeya

• Branch Z. Industrial Cantagallo –Cantagallo

• Branch Cantagallo – San Pablo

• Branch Galán – Casabe – Yondó

Investment Projects in Execution3

*Estimated date of start of operations

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TGI Outlook3New opportunities Gas pipeline network(1)

The following IPAT projects are first choice for TGI, according to currentresolutions:

• Mariquita – Gualanday Loop• Yumbo – Mariquita Bidirectionality• Compressor Project. Jamundi Branch - Downstream

(Pradera Node)• Barrancabermeja – Ballena Bidirectionality

TGI is waiting for the publication of the final terms of reference of thefollowing project to determine if it will participate:

• Pacific Regasification Plant• Buenaventura – Yumbo Gas pipeline

Estimated schedule - UPME:• Terms of reference publication: 1Q 2020• Reception of offers and awarding: 4Q 2020• Start of operations of the Plant: September, 2023• Start of operations of the Gas Pipeline: January, 2024

Cartagena Refinery

Barrancabermeja Refinery Bucaramanga

Bogotá

Neiva

Cali

Medellin 2.23 tcf

0,49 tcf

OriginalProducers:

EcopetrolEquion

High Magdalena Valley

Middle Magdalena

Lower Magdalena

Originalof North:

ChevronEcopetrol

0,62 tcf

Guajira

Cusiana-Cupiagua

References

TGI Gas pipelines

Natural Gas Reserves

City

FieldRefinery

Third-party Gas pipelines

Reserves in other regions 0.42 tcf

Total reserves 3.78 tcf (2017)*

Pa

cifi

c O

cea

n

Caribbean Sea

VEN

EZU

ELA

(1) Has access to the three main gas production fields, Guajira and Cusiana-Cupiagua, Total reserves for 2018 were 3.78 tcf. Disaggregation by department is not available.

Source: National Mining and Energy Planing Unit - National Hydrocarbons Agency

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04 Questions and Answers

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Investor RelationsFor further information about TGI, please contact any of the Investor Relations team members

AdrianaMunévar

Financial Vice

President - TGIadriana.munevar@tgi.com.co

+57 (1) 3138400

Valeria Marconi

Investor Relations

Manager GEB

+57 (1) 326 8000 Ext 1536

Sandra JimenezGEB Investor

Relations Advisor

+57 (1) 326 8000 Ext 1827

vmarconi@geb.com.co

sjimenezv@geb.com.co

www.tgi.com.cowww.grupoenergiabogota.com/inversionistas

Mauro CáceresGEB Investor

Relations Advisor

+57 (1) 326 8000 Ext 1395

mfcaceres@geb.com.coJuan CamiloGuayana

Financial Planning

Director - TGIjuan.guayana@tgi.com.co

+57 (1) 3138400

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