UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

_____________

FORM 6-K

Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities and Exchange Act of 1934

For December 7, 2016

Commission file number: 1-13.396

Transportadora de Gas del Sur S.A.

Don Bosco 3672, Fifth Floor

1206 Capital Federal

Argentina

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  X  Form 40-F   

Indicate by check mark if registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): __

Indicate by check mark if registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): __

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to the Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes No X

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

Condensed Interim Consolidated

Financial Statements

as of and for the nine-month period

ended September 30, 2016

ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

FOR THE NINE-MONTH PERIOD ENDED SEPTEMBER 30, 2016 ⁽¹⁾

The following discussion of the financial condition and results of operations of the Company should be read in conjunction with the Company's consolidated financial statements as of September 30, 2016 and December 31, 2015, and for the nine-month period ended September 30, 2015. These condensed interim consolidated financial statements have been prepared in accordance with and complied with NIC 34 issued by the International Accounting Standards Board (“IASB”) adopted by the Comisión Nacional de Valores ("CNV") through the provisions of Title IV, Chapter I, Section I, Article 1 – B.1 of the Rules of the CNV ("New Text 2013" or "NT 2013").

The Company’s consolidated financial statements for the nine-month periods ended September 30, 2016, 2015, 2014, 2013 and 2012 have been subject to a limited review performed by Price Waterhouse & Co. S.R.L.

1. Results of Operations

The following table presents a summary of the consolidated results of operations for the nine-month periods ended September 30, 2016 and 2015:

Overview

For the nine-month period ended September 30, 2016, the Company has reported a total comprehensive income of Ps. 468.6 million, compared with a total comprehensive loss of Ps. 11.2 million reported in the same period last year.

The operating profit increased by Ps. 1,088.1 million to Ps. 1,381.2 million in the nine-month period ended September 30, 2016 compared to the same period of 2015. It is noteworthy that:

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-Net revenues from Liquids Production and Commercialization segment rose sharply by Ps. 1,288.7 million, as a result of the increase in the foreign exchange rate.

-The positive variation for Ps. 267.9 million in Other operating income, mainly as a result of the accounting recognition during the nine-month period ended September 30, 2015 of the acquisition to Pampa Energía S.A. ( "Pampa") of the Rights of the Arbitration Proceeding linked to the lawsuit initiated by Enron Creditors Recovery Corp. and Ponderosa Assets LLP against the Argentine Republic before the International Centre for Settlement of Investment Disputes of the World Bank for the loan granted by TGS to Pampa Energía S.A. in October 2011.

-The partial application of the tariff schedule authorized by the National Gas Regulatory Body ("ENARGAS") through Resolution No. I-3724 ("Resolution 3724") beginning April 1, 2016, which was issued within the Transitional Agreement framework signed between TGS and the National Government in February 2016 (the "2016 Transitional Agreement”) implied a Ps. 585.7 million increase in the operating profit from the Natural Gas Transportation segment. On the other hand, it is noteworthy that the negative impact that the partial application of the tariff schedule had on this business segment, which led to the Company having begun the necessary steps to request an economic assistance that allows, until the completion of the Integral Tariff Revision (“RTI” for its acronym in Spanish) process, to execute the works according to Resolution 3724 (the "Investment Plan") and to comply with its financial obligations and operating expenses after having delayed for almost 15 years this tariff adjustment contemplated in the current regulatory framework.

- These effects were partially offset by the increase in variable production costs in the Liquids Production and Commercialization segment, as well as in other operating costs.

Negative financial results increased by Ps. 327.3 million. This negative impact was mainly due to the negative effect of the Argentine peso devaluation against the US dollar related to its net liability position in US dollar, which includes the financial debt obtained to finance the acquisition of fixed assets related to the Natural Gas Transportation business segment.

The transitional tariff increase granted by Resolution 3724 and the beginning of the Integral Tariff Revision (“RTI” for its acronym in Spanish) in April 2016, represents an important step and a partial recognition after losses incurred as a result of sustained increased costs and lack of tariff revisions (stipulated in the License which TGS operates, the “License”) for the last 15 years. The beginning of the RTI will enable the Company to move towards its normalization and to obtain a fair tariff scheme in order to get a sustainable recovery of this business segment.

Net revenues

Natural Gas Transportation

The Natural Gas Transportation business segment represented approximately 27.5% and 26.4% of TGS’ total net revenues during the nine-month period ended September 30, 2016 and 2015, respectively. These business segment´s revenues are derived mainly from firm Natural Gas Transportation contracts, under which pipeline capacity is reserved and paid for, regardless of actual usage by the customer. The Company also provides interruptible natural gas transportation services subject to availability of the pipeline capacity. In addition, TGS renders operation and maintenance services for the Natural Gas Transportation facilities, which belong to the gas trusts (fideicomisos de gas) created by the Argentine Government to expand the capacity of the Argentine natural gas transportation pipeline system. For this service, the Company receives from customers who subscribed incremental natural gas transportation capacity the Charge for Access and Use (“CAU”). Since its inception in 2005, the CAU has only been adjusted in May 2015 by ENARGAS through Resolution No. I-3347/15 (“Resolution I-3347”).

Macroeconomic indicators of Argentina have experienced significant increases over the last few years. The table below shows its evolution as published by the official agencies in Argentina:

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	2001 - 2015 Variation	2016 Variation
Consumer Price Index (“CPI”) (1)	647.9%	26.5%
Wholesale Price Index (“WPI”) (1)	917.2%	31.3%
Salary Price Index(2)	1,657.2%	16.6%
Foreign Exchange Rate	1,304.0%	17.4%

(1) In October 2015, INDEC discontinued its publication, continuing in April 2016, in the case of the IPC and January 2016 for IPIM. The missing months were complemented with information corresponding to the IPC published by the province of San Luis.

(2) The latest information available corresponds to June 2016.

In this context, as of September 30, 2016, the Company only received relatively low tariff increases that were only able to partially offset the previously mentioned cost increase. These tariff adjustments were authorized by Resolutions No. I-2852/14, No. I-3347/15 and No.  3724/16 issued by ENARGAS, stipulating the following increases, respectively:

·

A stepped increase of 8% as from April 1, 2014, 14% accumulated since June 1, 2014 and 20% accumulated since August 1, 2014.

·

As from May 1, 2015, a temporary increase of 44.3% in the price of the natural gas transportation service and 73.2% in the CAU.

·

As from April 1, 2016, a temporary increase of 200.1% in the price of the natural gas transportation service and in the CAU.

Regarding this last tariff increase, it could not be fully and timely implemented due to the judicial action initiated to cancel its effects and that was finally resolved by the ruling of the Supreme Court dated August 18, 2016 that established, among other things, the mandatory fulfillment of the previous public hearing for the determination of the tariffs of the natural gas transportation and distribution public services, as well as the price of hydrocarbon and the nullity of the resolutions that provide the tariff increases with respect to the residential users. Residential tariffs had to be carried back to values in force as of March 31, 2016.

In September 2016, the Company initiated a complaint before ENARGAS and the Ministry of Energy and Mining ("MINEM") for financial assistance to compensate for the economic and financial damage resulting from the application of the ruling of the Supreme Court, which as of September 30, 2016, amounted to approximately Ps. 423 million.

Between September 16 and 18, 2016, the public hearing required by the Supreme Court was held. Subsequently, on October 6, 2016, ENARGAS issued Resolution No. 4054/2016 ("Resolution 4054") which includes the same terms as those included in Resolution 3724 with respect to: (i) the transitional tariff increase of 200.1% on the tariff schedule in force as from March 31, 2016 applicable to all users of the natural gas transportation service, (ii) the execution of the Investment Plan amounting to Ps. 794.3 million, and (iii) restrictions on the payment of dividends. The effect of these tariff schedules is as from October 7, 2016.

The aforementioned situations and the delay in the implementation of the transitional tariff adjustment set forth in Resolution 3724 have meant a significant loss to the Company which has affected its economic-financial balance over the last years.

The operation of the pipeline system of the Company requires a high level of investments related to quality, safety and service reliability. Therein are the importance of the received tariff increases and the commencement of the RTI process in April 2016. The RTI will be an important step for the Company to finally recover the tariff charts through the collection of a fair and reasonable tariff that will allow developing a sustainable business ensuring the provision of an essential public service for Argentina's energy matrix such as the natural gas transportation. The implementation of the RTI is conditioned on the signing of the Integral Renegotiation Agreement which terms are in its initialed version in October 2015 and in the Transitional Agreement.

The Natural Gas Transportation business segment revenues increased Ps. 585.7 million in the nine-month period ended September 30, 2016, when compared to the same period last year. This increase is mainly due to the updated tariff schedule issued by Resolution 3724 and the effect of the full force of Resolution No. I-3347 according to the guidelines listed above. These effects were partially offset by lower export natural gas transportation services.

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For further information regarding the tariff situation of this business segment, see Note 17.a. to the Interim Condensed Consolidated Financial Statements as of September 30, 2016.

Production and Commercialization of Liquids

Liquids Production and Commercialization segment revenues accounted for approximately 64.8% and 65.7% of the total net revenues in the nine-months periods ended September 30, 2016 and 2015, respectively. Liquids Production and Commercialization consists of natural gas processing activities conducted at the Cerri Complex, located near the city of Bahía Blanca, Province of Buenos Aires, where all of TGS’s main natural gas pipelines connect, and where ethane, propane, butane and natural gasoline are recovered. TGS sells its production of liquids in the domestic and the international markets. TGS sells part of its production of propane and butane to liquids marketers in the domestic market. The remainder of these products and all of its natural gasoline are exported at current international market prices. Ethane is entirely sold in the domestic market to PBB-Polisur S.A. at agreed prices.

Liquids Production and Commercialization segment revenues reached Ps. 3,153.7 million in the nine-month period ended September 30, 2016 a 69.1% increase (or Ps. 1,288.7 million) in comparison with the same nine-month period of 2015).  This increase is mainly due to an increase in the foreign exchange rate of the Argentine peso compared to the U.S. dollar. This negative effect was partially offset by the fall in international reference prices during the nine-month period ended September 30, 2016.

On September 28, 2016, the Company concluded with Polisur the ethane supply agreement for the period from May 1, 2016 to May 1, 2017. This agreement allows creating certainty of the ethane supply to the only customer of this product during its validity.

Additionally, on October 1, 2016, a contract to extend propane and butane exports until April 30, 2017 was signed with Geogas Trading SA.

The total volumes dispatched from Cerri Complex registered a decrease of 3.3% or 21,554 short tons in the nine-month period ended September 30, 2016 compared to the same period last year. On the other hand, there was a 17.1% or 88,304 short tons increase in the volumes sold on TGS’ own behalf.

During 2016, TGS continues to meet the requirements of the Ministry of Energy and Mining (“MINEM”) regarding the volumes to be supplied to the domestic market both under the Programa Hogares con Garrafa ("New Stabilization Program") and the Supply Agreement for Propane Gas Distribution Networks (“Propane Networks Agreement”).

Participation in the New Stabilization Program requires TGS to produce and sell the LPG volumes required by the MINEM at prices significantly below the market. This situation makes it impossible to cover variable production costs creating a negative operative margin.

During the nine-month period ended September 30, 2016, the Company proceeded to the signing of the thirteenth and the fourteenth extension of the Propane Networks Agreement, which provides the supply of propane for the period May 2015 - April 2016 and May 2016 - April 2017, respectively.

For both programs, it was established the payment of a compensation by the Argentine government. Such payments record significant delays. On June 22, 2016, under the provisions of Decree No. 704/2016, the Letter of Consent was celebrated where the Company agreed to receive Argentine Bonds in US Dollars from the National Government – (BONAR 2020) for the cancellation of the compensation due until December 31, 2015 related to Propane Networks Agreement. Those Argentine bonds were received on October 5, 2016. As of the date of issuance of these financial statements, the remaining compensation is pending by the Argentine Government.

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Other services

The Company renders “midstream” services that mainly consist of gas conditioning, gathering and compression services, which are generally rendered at wellhead, as well as activities related to construction, operation and maintenance of pipelines and compressor plants. Other services also include telecommunication services rendered by Telcosur S.A., a company controlled by TGS.

Other Services revenues increased by Ps. 154.7 million in the nine-month period ended September 30, 2016 when compared to the same period of 2015. The increase is primarily related to the increase in the ratio of the current exchange rate between the Argentine peso and the U.S. dollar on revenues denominated in U.S. dollars, and higher revenues from operation and maintenance services rendered during the first half of 2016.

As from September 2016, the Company completed the renewal and extension for a period of 20 years of the services of compression and conditioning of natural gas from the Neuquén reservoir of which Petrobras Argentina is a concessionaire and whose maturity was December 31, 2017. Likewise, on September 27, 2016, a new agreement was entered into with Petrobras Argentina, which involves carrying out tasks to increase the processing capacity of the plant, and will imply additional revenues for TGS as from the first quarter of 2017.

Cost of sales and administrative and selling expenses

Operating costs, administrative and selling expenses increased approximately Ps. 1,208.9 million, or 54.5% in the nine-month period ended September 30, 2016 when compared to the same period last year. This variation is mainly due to increased costs of natural gas used as Replacement Thermal Plant ("RTP"), higher labor costs and other operating costs of the pipeline system.

In addition, with effect from April 1, 2016, the MINEM issued Resolution No. 28/2016 which established the increase in the price of natural gas at wellhead. Pursuant to the drop in international reference prices and the participation of the various agreements and propane and butane supply programs in the domestic market, this increase could even worsen the operating margins in which the Liquids Production and Commercialization of segment operates.

Other operating results

Other negative operating results recorded in the nine-month period ended September 30, 2016 decreased by Ps. 267.9 million compared to the same previous year period. This variation is mainly explained by negative results recorded during the third quarter of 2015 due to the acquisition of the Rights of the Arbitration Proceedings mentioned above.

It should be noted that the exercise of the Rights of Arbitration Proceedings allowed TGS to continue with the tariff renegotiation process as it will be able to comply with one of the conditions necessary for the ratification of the Integral Renegotiation License Agreement (the “Integral Renegotiation Agreement”) by the Executive Branch and the implementation of the new tariff schedules resulting from the Integral Tariff Revision (“RTI” for its acronym in Spanish) process.

This effect was partially offset by higher expenses related to provisions for contingencies recorded in 2016.

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Net financial results

In the nine-month period ended September 30, 2016, the negative financial results grew by Ps. 327.3 million from the same period of 2015. The breakdown of net financial expense is as follows:

This negative variation is mainly due to the higher exchange loss of Ps. 333.4 million as a result of the devaluation of the Argentine peso. The selling exchange rate of the peso ended at a value of Ps. 15.31 per US dollar at September 30, 2016, representing an increase of 15.31% (or Ps. 2.27 per U.S. dollar) as compared with the exchange rate at year-end 2015. Meanwhile, during the nine-month period ended September 30, 2015 the exchange rate had risen 10.2% (or Ps. 0.87 per U.S. dollar) when compared with the listed price at year-end 2014.

The net negative financial results suffered a slight positive variation as a consequence of the higher return from the financial investments. This effect was partially offset by the higher interest charge on financial liabilities due to the exchange rate effect.

Income tax expense

For the nine-month period ended September 30, 2016, TGS reported a Ps. 254.0 million income tax loss, representing a negative variation of Ps. 282.3 million when compared to the same period of 2015. The negative variation was mainly due to the higher taxable income generated in the nine-month period ended September 30, 2016.

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2. Liquidity

The Company’s primary sources and application of funds during the nine-month periods ended September 30, 2016 and 2015 are shown in the table below:

The positive variation in the cash and cash equivalents in the nine-month period ended September 30, 2016, amounted to Ps. 643.9 million. The cash flow generated from operations increased Ps. 978.2 million, mainly due to the improvement in operating income and higher revenues related to the liquidation of derivative financial instruments contracted by the Company to mitigate the impact of the exchange rate on its financial debt.

It is worth highlighting the negative impact seen in the net cash flow generated from operations derived from the receivables collection delay in the natural gas transportation segment as a result of the Supreme Court ruling on August 18, 2016. This ruling delayed the Investment Plan implementation and triggered the need of having to obtain financial assistance – as requested by the Company- to complete the plan in the terms required by ENARGAS.

The aforementioned positive effect was partially offset by higher cash flows used in investing and financing activities, amounting to Ps. 218.4 million and Ps. 257.6 million, respectively. Some of the factors that contributed to this variation are: higher cancellation of financial debt as it became impacted by the exchange rate and dividend payment approved by the Board of Directors’ during its meeting held on January 13, 2016, according to the powers delegated by the Shareholders’ Meeting which provided for the destination of the results for the year ended December 31, 2014.

At the Board of Directors’ Meeting held on October 14, 2016, the Company decided to prepay the remaining balance of its 2007 global program Notes. The pre-cancellation will be made on November 14, 2016 amounting to US$ 30.8 million.

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3. Third Quarter 2016 vs. Third Quarter 2015

The following table presents a summary of the consolidated results of operations for the third quarters ended September 30, 2016 and 2015:

During third quarter of 2016, the Company obtained a comprehensive income of Ps. 151.2 million, compared with the comprehensive loss of Ps. 171.2 million obtained in the same period last year.

Total Net Revenues for the third quarter of 2016 increased by Ps. 656.3 million or 76.8% when compared to the same period of 2015.

Net revenues from Natural Gas Transportation business segment increased by Ps. 51.5 million in the third quarter 2016, when compared with the same period of the previous year. This increase is mainly due to the impact of the application of the increases established by Resolution No. 3724. This effect was offset by the partial reversal of the net revenues recognized in the second quarter of 2016 due to the tariff increase for the services rendered to residential users pursuant to the Supreme Court ruling of August 18, 2016 that was mentioned above.

The Production and Commercialization of Liquids segment net revenues increased by Ps. 555.7 million or 103.0% in the third quarter of 2016 compared with the same period of the previous year, mainly due to the increase in the foreign exchange rate of the Argentine peso compared to the U.S. dollar as well as the higher volumes sold on behalf of TGS’ account. Regarding the total volumes dispatched from Cerri Complex, they decreased 13.8% or 24,337 tons.

Other Services revenues increased by Ps. 49.1 million in the third quarter of 2016 compared to the same period of 2015. The increase is primarily related to the increase in the ratio of the current exchange rate between the Argentine peso and the US dollar on revenues denominated in U.S. dollars, along with higher revenues from natural gas compression and treatment services. These effects were partially offset by lower management services revenues.

Cost of sales and administrative and selling expenses rose approximately Ps. 484.2 million in the third quarter of 2016 from the same period of 2015. This variation is mainly due to: (i) higher natural gas costs used as RTP, (ii) higher labor costs, (iii) turnover tax related to Natural Gas Transportation business segment and; (iv) other operating costs related to the natural gas transportation system.

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Other negative operating results recorded a positive variation of Ps. 293.4 million, mainly due to the negative result recorded in the third quarter of 2015 due to the acquisition of the Rights of the Arbitration Proceedings as described above. This effect was partially offset by higher expenses related to provisions for contingencies recorded during the third quarter of 2016.

During the third quarter of 2016, the negative financial results decreased by Ps. 31.9 million from the same period of 2015. This variation is due to: (i) higher interest generated by financial assets attributable to the increase in invested capital and higher yields, (ii) lower net foreign exchange in the third quarter of 2016 and (iii) the loss generated by the derivative financial instruments acquired by the Company, not having recorded results during the third quarter of 2016. These effects were partially offset by the effect of higher current average exchange rate during the third quarter of 2016 on interest accrued on financial indebtedness of the Company.

4. Consolidated Statements of Financial Position

Summary of the consolidated statements of financial position information as of September 30, 2016, 2015, 2014 and 2013:

5. Consolidated Statements of Comprehensive Income Summary

Summary of the consolidated statements of comprehensive income information for the nine-month periods ended September 30, 2016, 2015, 2014, 2013 and 2012:

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6. Statistical Data (Physical Units)

6. Comparative ratios

7. Other Information

TGS share market value in Buenos Aires Stock Exchange at closing of last business day (in Argentine pesos per share)

	2016	2015	2014	2013	2012
January	17.00	7.60	4.13	3.10	2.78
February	21.00	9.10	4.20	2.56	2.75
March	17.30	12.70	4.58	2.82	2.88
April	18.00	12.00	5.14	3.04	2.63
May	18.00	10.80	6.45	2.91	2.62
June	19.90	11.40	5.57	2.60	2.20
July	19.55	11.10	6.08	3.06	2.30
August	18.25	11.65	7.04	3.35	2.27
September	20.80	10.90	10.00	3.80	2.12
October		16.70	8.78	4.15	1.90
November		17.70	9.00	4.36	1.92
December		17.05	7.80	3.80	2.22

8. Outlook

The main objective of TGS will continue to be recovering the profitability of the businesses and to strengthen its role as a leading company in the market maintaining the indeclinable commitment with the quality of the service to the community, providing value to its customers and its people.

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Since the enactment of Law No. 25,561 on Public Emergency and Exchange System Reform in early 2002, which subsequently underwent successive modifications and extensions, the provision of natural gas transportation services has been significantly altered due to the elimination of the tariff adjustment clauses and other conditions stipulated in the License.

Through the issuance of Resolutions No. 2852/14 and No. 3347/15, ENARGAS authorized the first rate increases since 1999. These tariff increases, together with the transitional increase provided by Resolutions 3724 and 4054, only manage to partially alleviate the economic situation of the Natural Gas transportation segment until the signing of the Integral Renegotiation Agreement that will allow the renegotiation of the License under which the Company operates and a sustainable rate scheme.

In this regard, and within the framework of the 2016 Transitional Agreement and the provisions of Resolution No. 212 of the MINEM, the Company will advance with the Investment Plan and the signing of the Integral Renegotiation Agreement that allows implementing the RTI.

This is vital for TGS as it involves the commitment of all parties to guarantee the quality in the rendering of the public service and creating a sustainable business over time to provide added value to the community. We expect this new stage with the future RTI will bring the determination of a fair and reasonable tariff scheme to enable the Company to recompose the level of investment and reverse the consequences of the constrained tariff increases received and the sustained increase in costs recorded since 2002.

Within the scope of the Liquids business, global scenario presents great challenges due to the current situation. The combined effect of increased supply in the international market, as the result of the increased production related to the development of shale gas deposits and the expansion of export capacity of the terminals in the United States of America, together with the decrease in the demand due to the slowdown in major world economies has led to a considerable oversupply of product and the consequent drop in international reference prices.

Regarding the sale of propane and butane ("LPG") in the domestic market, the Company will redouble efforts and strengthen the actions undertaken jointly with national authorities, to mitigate the impacts that providing LPG the low-income sectors has on our operating income in order to establish a context that encourages domestic production, beyond the administrative objections initiated in the New Stabilization Program aiming to safeguard the rights of TGS.

Pursuant to the fall in international reference prices mentioned above, in 2016 we should redouble our efforts to ensure the availability of natural gas used as RTP at prices that ensure their processing and sale providing profitable operating margins. In this sense, based on the excellent relationships with our suppliers over the years, we will continue with the steps taken to guarantee this raw material. Complementing the above mentioned, it is important to keep the meetings with the new government authorities to address this problem.

With respect to the Other Services business segment, continues to analyze opportunities related to rendering compression and treatment services and storage and shipping facilities located in Puerto Galván and the optimization of telecommunications services. Moreover, TGS is analyzing the feasibility of projects in unconventional hydrocarbon deposits.

As regards their daily operations, TGS will remain committed to continuous improvement of each of its processes to optimize the use of the resources and to reduce operating costs. To this end, the Company will carry out actions aimed at the reduction of cost increases in operating and maintenance without affecting the reliability and availability of the pipeline system. Focusing on the future results obtained from an essential business tariff recomposition of Natural Gas Transportation segment, and expecting measures taken by the Government feasible to preserve the profitability of production and commercialization of liquids, we will continue with the implementation of various actions, such as the standardization and systematization of risk management in pipelines, compressor stations and processing facilities. Finally, we will deepen training initiatives for the staff for technical and management training resources.

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In financial terms, TGS will continue to reduce its net liability position denominated in US dollars by the partial amortization of the debt with final maturity in 2017. Given the negative impact of the variation in the exchange rate of the Argentine peso against the US dollar on the net liability position in foreign currency of the Company, TGS will continue the actions initiated to mitigate them.

Autonomous City of Buenos Aires, November 7, 2016.

      Gustavo Mariani

                               Chairman of the Board of Directors

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TRANSPORTADORA DE GAS DEL SUR S.A.

CONDENSED INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

FOR THE THREE AND NINE-MONTH PERIODS ENDED SEPTEMBER 30, 2016 AND 2015

 (Stated in thousands of pesos as described in Note 3 except for basic and diluted earnings per share)

Gustavo Mariani

Chairman of the Board of Directors

1

TRANSPORTADORA DE GAS DEL SUR S.A.

CONDENSED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION

AS OF SEPTEMBER 30, 2016 AND DECEMBER 31, 2015

(Stated in thousands of pesos as described in Note 3)

Gustavo Mariani

Chairman of the Board of Directors

2

TRANSPORTADORA DE GAS DEL SUR S.A.

CONDENSED INTERIM CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

FOR THE NINE-MONTH PERIODS ENDED SEPTEMBER 30, 2016 AND 2015

(Stated in thousands of pesos as described in Note 3)

Gustavo Mariani

Chairman of the Board of Directors

3

TRANSPORTADORA DE GAS DEL SUR S.A.

CONDENSED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS

FOR THE NINE-MONTH PERIODS ENDED SEPTEMBER 30, 2016 AND 2015

(Stated in thousands of pesos as described in Note 3)

_____________________________________________________________________________________________________

 

Gustavo Mariani

Chairman of the Board of Directors

4

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

1.

GENERAL INFORMATION

Business Overview

Transportadora de Gas del Sur S.A. (“TGS”) is one of the companies created as a result of the privatization of Gas del Estado S.E. (“GdE”). TGS commenced operations on December 29, 1992 and it is engaged in the Transportation of Natural Gas, and Production and Commercialization of natural gas Liquids (“Liquids”). TGS’s pipeline system connects major natural gas fields in southern and western Argentina with natural gas distributors and industries in those areas and in the greater Buenos Aires area. The natural gas transportation license to operate this system was exclusively granted to TGS for a period of thirty-five years (“the License”). TGS is entitled to a one-time extension of ten years provided that it has essentially met the obligations imposed by the License and by the Ente Nacional Regulador del Gas (National Gas Regulatory Body or “ENARGAS”). The General Cerri Gas Processing Complex (the “Cerri Complex”), where TGS processes natural gas by extracting liquids, was transferred from GdE along with the gas transmission assets. TGS also provides midstream services, which mainly consist of gas treatment, removal of impurities from the natural gas stream, gas compression, wellhead gas gathering and pipeline construction, operation and maintenance services. Also, telecommunications services are provided through the subsidiary Telcosur S.A. (“Telcosur”). These services consist of data transmission services through a network of terrestrial and digital radio relay.

Major Shareholders

TGS’s controlling shareholder is Compañía de Inversiones de Energía S.A. (“CIESA”), which holds 51% of the common stock. Local and foreign investors hold the remaining ownership of TGS’s common stock. CIESA is under co-control of: (i) Petrobras Argentina S.A. (“Petrobras Argentina”) and a subsidiary (jointly “Pampa Group”), which altogether hold 50% of CIESA’s common stock and (ii) CIESA Trust (whose trustee is The Royal Bank of Scotland N.V. Sucursal Argentina) (“the Trust”) who has a trust shareholding of 40%. PEPCA S.A. (“PEPCA”) holds the remaining 10%.

On December 29, 2015, the Royal Bank of Scotland N.V. Argentina Branch informed CIESA, Petrobras Argentina, PEPCA and TGS the deregistration in the authorization to operate as a commercial bank in Argentina as it was its request to the Central Bank of Argentina. Finally, on July 27, 2016, the Royal Bank of Scotland N.V. Argentina Branch notified the beneficiaries of the Trust and ENARGAS its resignation from the fiduciary position and acceptance of the replacement offer by TMF Trust Company Argentina SA, as from July 25, 2016, subject to approval by the Comisión Nacional de Defensa de la Competencia (“CNDC”).

On July 27, 2016, Pampa Energía S.A. ( "Pampa Energía") (i) sold the total of the capital stock and voting rights (owned by its subsidiary Pampa Inversiones S.A.) of PEPCA in favor of Grupo Inversor Petroquímica S.L. (member of GIP Group, headed by Sielecki´s family; “GIP”) by 51%, WST S.A. (Members of Werthein Group; "WST") by 45.8% and PCT L.L.C. (Safra Group, "PCT"), by 3.2% and (ii) transferred its status as beneficiary of the Trust to GIP and PCT, with a holding of 55% and 45%, respectively.

On July 27, 2016, Pampa Energía acquired from Petrobras Internacional Braspetro B.V. the total shareholding and votes of Petrobras Participaciones S.L., the holder of the 67.1933% of the capital stock and voting rights of Petrobras Argentina and, consequently, the indirect control of Petrobras Hispano Argentina S.A.

As a result of the transactions mentioned before and in accordance with the regulations set forth by Law N° 19.550, section 258, and in view of the vacancies occurred in TGS’ Board of Directors, situation that is contemplated in section 23 of TGS´ bylaws, on July 27, 2016, the Supervisory Committee appointed the replacement Directors. Their terms of office will last until the upcoming General Ordinary Meeting of Shareholders.  On August 29, 2016, TGS’ Ordinary General Shareholders’ Meeting was held in which the management of the members of the Board of Directors was approved, and new directors and trustees were appointed to fill the vacancies generated with a

5

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

term until the Ordinary General Shareholders’ Meeting that considers the financial statements for the year ending December 31, 2016.

On August 9, 2016, ENARGAS authorized the change of share control in CIESA, approving through Resolution No. I/3939: (i) the acquisition by Pampa Energía of the entire shareholding that Petrobras Participaciones S.L. held in Petrobras Argentina; (ii) the acquisition by GIP, WST and PCT of PEPCA shareholding; (iii) the transfer of rights made by Pampa Energía to GIP and PCT and, (iv) the replacement of The Royal Bank of Scotland N.V. Argentine Branch as Trustee of the Trust, by TMF Trust Company (Argentina) S.A.

The current ownership of CIESA’s common stock is the result of the first stage of the Master Settlement and Mutual Release Agreement, signed on April 16, 2004 by Pampa Group and subsidiaries of Enron Corp. (“Enron”) as of such date. ENARGAS has opportunely given its consent for the shares of CIESA currently held by the Trust to be transferred to the beneficiaries, remaining pending the approval by the CNDC.

Mandatory tender offer (the“Offer”)

In accordance with the provisions of Capital Market Law No. 26,831 (the "Capital Markets Law") and the Rules of the Comisión Nacional de Valores ("CNV") ("New Text 2013" or "NT 2013") adopted by General Resolution No. 622/13 on mandatory tender offers for change of control and acquisition of significant indirect interest, on July 27, 2016, the Company was notified by GIP, WST and PCT of its intention to launch a tender offer for the Company's Class "B" common shares, representing up to 24.5% of the common stock of TGS, which are listed on the Buenos Aires Stock Exchange. The Offer is subject to the terms and conditions that will be indicated in the prospect that will be issued opportunely, once the CNV approves it.

GIP, WST and PCT reported that their Boards resolved to set the price of the Offer in Ps. 18.20 per share (the "Offered Price").

On August 22, 2016, the Company's Board of Directors asserted that the Price Offered under the Offer is reasonable and fair and also approved the report required by the Capital Markets Law, all based on the conclusions provided by two independent evaluators provided by GIP, WST and PCT and a consultant provided by TGS.

On October 21, 2016, GIP, WST and PCT informed TGS that their Boards resolved to increase the Offered Price to Ps.18.39.

Further information regarding the announced Offer can be found in the "Relevant Events" section of the CNV, at www.cnv.gob.ar.

2.

CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

TGS presents its condensed interim consolidated financial statements for the nine-month periods ended September 30, 2016 and 2015 in compliance with the provisions of the New Text 2013 of the CNV. In these condensed interim consolidated financial statements, TGS and Telcosur, its consolidated subsidiary, are jointly referred to as “the Company”.

3.

BASIS OF PRESENTATION

These condensed interim consolidated financial statements have been prepared in accordance with and complied with International Accounting Standard 34 (“IAS 34”) issued by the International Accounting Standards Board (“IASB”) adopted by the CNV through NT 2013. These condensed interim financial statements do not include all information and disclosures required for annual

6

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

financial statements and should be read in conjunction with TGS’ annual financial statements as of December 31, 2015 issued on February 24, 2016.

The condensed interim consolidated financial statements are stated in thousands of Argentine pesos (“Ps.” or “pesos”), the functional currency of the Company and its subsidiary, unless otherwise stated.

Detailed data reflecting subsidiary control as of September 30, 2016 is as follows:

	% of shareholding
Company	and votes	Closing date	Main activity
Telcosur	99.98	December 31	Telecommunication Services

4.

SIGNIFICANT ACCOUNTING POLICIES

The accounting policies applied to these condensed interim consolidated financial statements are consistent with those used in the financial statements for the last financial year prepared under IFRS, which ended on December 31, 2015.

Finance Leases

TGS classifies leases as financial when it assumes substantially all the risks and benefits of ownership of leased assets. To that end, an asset and a liability are initially recognized at the same amount as the lower value that results from comparing the fair value of the leased asset and the present value of the minimum lease payments.

Subsequently, each finance lease payment should be apportioned between the finance charge and the reduction of the outstanding liability (the finance charge to be allocated so as to produce a constant periodic rate of interest on the remaining balance of the liability). The corresponding lease payments, net of financial charges, are included in "Financial leases" in the current and non-current financial Loans of the Statement of Financial Position. Interest on the financial cost is charged to the Income Statement in the period of the lease in order to obtain a constant periodic interest rate on the debt pending amortization in each period.

Assets acquired through finance leases are depreciated over the useful life of the assets received in accordance with current depreciation policies.

New standards, amendments and mandatory interpretations for fiscal years beginning on January 1, 2016

The following standards, amendments and interpretations apply to the Company as from this fiscal year, which have had no significant impact on the financial position and results of operations.

Amendments to IAS 1 “Presentation of financial statements”.

In December 2014, the IASB issued amendments to IAS 1. The amendments aim is to clarify the guidance included in IAS 1 for the presentation of financial statements. Amendments to IAS 1 make the following changes:

·

Introduced modifications to the guidance included in IAS 1 regarding materiality considerations.

·

The amendment added additional examples of possible ways of ordering the notes to clarify that understandability and comparability

7

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

·

Made clarification on the breakdown of information and the inclusion of subtotals.

These amendments will be applicable for annual periods beginning on or after January 2016, with earlier application permitted.

5.

FINANCIAL RISK MANAGEMENT

The Company’s activities and the market in which it operates expose it to a series of financial risks: market risk (including foreign exchange risk, cash flows interest rate risk, and commodity price risk), credit risk and liquidity risk.

There have been no significant changes since the last annual financial statements in risk management policies.

6.

CRITICAL ACCOUNTING ESTIMATES AND JUDGMENTS

The preparation of the condensed interim consolidated financial statements in conformity with generally accepted accounting principles requires management to make accounting estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements, as well as the reported amounts of revenues and expenses during the reporting fiscal year. These estimates require management to make difficult, subjective or complex judgments and estimates about matters that are inherently uncertain. Management bases its estimates on various factors, including past trends, expectation of future events regarding the outcome of events and results and other assumptions that it believes are reasonable.

In the preparation of these condensed interim consolidated financial statements, the critical judgments made by the Company when applying its accounting policies as well as the information sources used for the respective estimates are the same of those applied in the consolidated financial statements for the year ended December 31, 2015.

7.

SUPPLEMENTAL CASH FLOW INFORMATION

For purposes of the condensed interim consolidated statement of cash flows, the Company considers all highly liquid temporary investments with an original maturity of three months or less at the time of purchase to be cash equivalents. The cash flow statement has been prepared using the indirect method, which requires a series of adjustments to reconcile net income for the period to net cash flows from operating activities.

Non-cash investing and financing activities for the nine-month periods ended September 30, 2016 and 2015 are presented below:

8

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

8.

CONSOLIDATED BUSINESS SEGMENT INFORMATION

IFRS 8 “Operating Segments” requires an entity to report financial and descriptive information about its reportable segments, which are operating segments or aggregations of operating segments that meet specified criteria. Operating segments are components of an entity about which separate financial information is available that is evaluated regularly by the chief operating decision maker (“CODM”) in deciding how to allocate resources and in assessing performance. The Company’s CODM is the Board of Directors.

The Company analyzes its businesses into four segments: (i) Natural Gas Transportation Services, (ii) Liquids Production and Commercialization, (iii) Other Services, and (iv) Telecommunications. These last three business segments are not regulated by ENARGAS.  Production and Commercialization of Liquids segment is regulated by the Ministry of Energy and Mining (“MINEN”) and the Secretariat of Hydrocarbons Resources.

Detailed information on each business segment for the nine-month periods ended September 30, 2016 and 2015 is disclosed below:  

9

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

9.

SUMMARY OF SIGNIFICANT STATEMENT OF FINANCIAL POSITION AND STATEMENT OF COMPREHENSIVE INCOME ITEMS

a)

Other receivables

The breakdown of other receivables based on its currency of origin is the following:

b)

Trade receivables

10

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

The breakdown of trade receivables based on its currency of origin is the following:

 

The movement of the allowance for doubtful accounts is as follows:

c)

Cash and cash equivalents

The breakdown of cash and cash equivalents based on its currency of origin is the following:

 

11

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

d)

Advances from customers ⁽¹⁾

Advances from customers are denominated in pesos.

e)

Other payables

 

Other payables are denominated in pesos.

f)

Taxes payables

Taxes payables are denominated in pesos.

12

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

(Stated in thousands of pesos as described in Note 3, unless otherwise stated)

_____________________________________________________________________________________________________

g)

Trade payables

The breakdown of trade payables based on its currency of origin is the following:

 

h)

Cost of sales

13

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3)

___________________________________________________________________________________________________________________________________________________________

i)

Expenses by nature – Information required under art. 64 paragraph I, clause B)  Commercial Companies Law

14

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

j)

Net financial results

 

k)

Other operating expense

 

l)

 Other financial assets at fair value through profit or loss

The breakdown of other financial assets at fair value through profit or loss based on its currency of origin is the following:

15

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

10.

INVESTMENTS IN ASSOCIATES

11.

SHARE OF PROFIT FROM ASSOCIATES

16

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

___________________________________________________________________________________________________________________________________________________________

12.

PROPERTY, PLANT AND EQUIPMENT

17

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

13.

LOANS

Short-term and long-term loans as of September 30, 2016 and December 31, 2015 comprise the following:

The breakdown of loans based on its currency of origin is the following:

The activity of the loans as of September 30, 2016 and 2015 is the following:

  

The maturities of the current and non-current loans as of September 30, 2016 are as follows:

18

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

14.

INCOME TAX AND DEFERRED TAX

As of the date of the issuance of these condensed interim consolidated financial statements, there are no significant changes with respect to the situation disclosed by the Company as of December 31, 2015.  

The reconciliation between the tax computed for tax purposes and the income tax expense charged to the statement of comprehensive income in the nine-month periods ended September 30, 2016 and 2015 is as follows:

15.

PROVISIONS

 

The total amount of provisions is included on current Liabilities.

19

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

16.

FINANCIAL INSTRUMENTS BY CATEGORY AND HIERARCHY

16.1

 Financial instrument categories

There have been no significant changes regarding the accounting policies for the categorization of financial instruments since the policies disclosed by the Company as of December 31, 2015.

The categories of financial assets and liabilities as of September 30, 2016 and December 31, 2015 are as follows:

20

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

16.2

 Fair value measurement hierarchy and estimates

According to IFRS 13, the fair value hierarchy introduces three levels of inputs based on the lowest level of input significant to the overall fair value. These levels are:

·

Level 1: includes financial assets and liabilities whose fair values are estimated using quoted prices (unadjusted) in active markets for identical assets and liabilities. The instruments included in this level primarily include balances in mutual funds and public or private bonds listed on the Buenos Aires Stock Exchange. Additionally within this level, the Company includes financial derivatives because the settlement date coincided with the closing date of the period. For the calculation of its fair value, the market price is obtained.

·

Level 2:  includes financial assets and liabilities whose fair value is estimated using different assumptions quoted prices included within Level 1 that are observable for the asset or liability, either directly (i.e. as prices) or indirectly (for example, derived from prices). Additionally within this level, the Company included derivative financial instruments.

·

Level 3: includes financial instruments for which the assumptions used in estimating fair value are not based on observable market information.

21

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

The table below shows different assets and liabilities at their fair value classified by hierarchy as of September 30, 2016:

The carrying amount of the financial assets and liabilities is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.

As of September 30, 2016 and December 31, 2015, the carrying amount of certain financial instruments used by the Company including cash, cash equivalents, other investments, receivables, payables and short-term loans are representative of fair value because of the short-term nature of these instruments.

The estimated fair value of other Non-current assets and Other loans does not differ significantly from the carrying amount. The following table reflects the carrying amount and estimated fair value of the 2007 Notes and the 2014 Notes at September 30, 2016 based on their quoted market price:

17

REGULATORY FRAMEWORK

As of the date of the issuance of these Financial Statements, there are no significant changes with respect to the situation disclosed by the Company as of December 31, 2015, except for that which is indicated below:  

a)

General framework of the regulated segment

Transitional Agreement

On February 24, 2016, jointly with the MINEM and the Ministry of Economy and Public Finances, TGS signed a new Transitional Agreement (“2016 Transitional Agreement”). The main implications of the 2016 Transitional Agreement are:

-

It sets the guidelines to grant to TGS an additional transitional tariff increase;

-

It sets the guidelines for the implementation of a Mandatory Investment Plan to be approved by the ENARGAS;

-

It provides the basis for the signing of the Integral Renegotiation License Agreement (“Integral Renegotiation Agreement”)

-

Set guidelines to perform a Integral Tariff Review (“RTI” according its acronyms in Spanish) which will be in a period not exceeding 12 months from the issuance of ENARGAS Resolution No. I/3724/2016 ("Resolution 3724"), which instructed the start of the RTI, and;

-

Obligates TGS for the non-distribution of dividends without prior authorization of ENARGAS.

On March 19, 2016, MINEM issued Resolution No. 31/2016 ("Resolution 31") instructing ENARGAS to carry out the above-mentioned RTI process and to grant a tariff increase on a transitional basis until the RTI process ends, which allows the execution of the Mandatory Investment Plan committed for 12 months to cover operating and maintenance, administration and commercialization expenses, and to comply with the

22

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

expiration of the Obligations contracted ensuring the continuity of the normal provision of the public natural gas transportation service until the final tariff charts are established.

On March 31, 2016, and according to the provisions of Section 2 of Resolution No. 31/2016 (“Resolution 31”) enacted by the MINEM, ENARGAS issued Resolution No. I-3724/2016 (“Resolution No. 3724”) which granted to TGS a 200.1% tariff increase effective as from April 1, 2016. This resolution also established the dividend distribution in the transition period until the end of the RTI process, without the prior authorization of ENARGAS.

The increase was conceded to attend to TGS’s financial and operational needs as well to comply with a mandatory investment plan (the “Investment Plan”). The Investment Plan implies future capital expenditures of Ps. 794.3 million overseen by the ENARGAS to be executed by TGS until March 2017. As of the date of issuance of these condensed interim consolidated financial statements, the Investment Plan is being executed with certain delays due to the impossibility of TGS to bill the entire tariff increase.

As referred in the section "Legal actions initiated against Resolutions 28 and 31", on August 18, 2016, the Supreme Court of Justice of the Nation (“Supreme Court”) unanimously upheld the judgment issued by Chamber II of the Federal Court of Appeals of La Plata regarding the nullity of Resolutions 31 and No. 28/2016 ("Resolution No. 28", and in conjunction with Resolution 31, jointly referred as "Resolutions 28 and 31") with respect to resident users.

On August 23, 2016, ENARGAS issued Resolution No. I/3961 instructing TGS to apply the tariff chart in force as of March 31, 2016. On September 9, 2016, ENARGAS notified the natural gas distribution service licensees the applicable procedure to determine and to inform the Company of the volumes of natural gas destined for residential users,  and the application of the tariff schedule in force as of March 31, 2016.

The aforementioned Supreme Court ruling and the numerous legal actions initiated against the application of Resolutions 28 and 31, of which the Company was and is not a party, seriously affected and accentuated the economic and financial imbalance of TGS, which resulted in almost 15 years of failure to update the natural gas transportation tariff.

Subsequently, and within the framework of the public hearing held on September 16, 2016 (the "Public Hearing") following the provisions of the Supreme Court in the ruling issued in the CEPIS case (for further information see "Legal actions against Resolutions 28 and 31"), on 6 October 2016, ENARGAS issued Resolution No. I-4054/2016 ("Resolution 4054"). The resolution includes the same terms than those included in Resolution 3724 in respect of: (i) the 200.1% transitional tariff increase on the tariff charts in force as of March 31, 2016 applicable to all users of the public natural gas transportation service (the "Increase"), (ii) the execution of the Investment Plan and (iii) restrictions on the payment of dividends. The effect of these tariff schedules is as from October 7, 2016.

This increase, together with those previously obtained in 2014 and 2015, represent a partial recognition of prior administrative claims initiated by TGS but they were not enough to alleviate the persistent increase in operating costs of the Company. TGS will continue with the corresponding actions towards safeguarding their rights, including those necessary to sign the Integral Renegotiation Agreement.

Legal actions initiated against Resolution 28 and 31

As a result of the tariff increases provided by ENARGAS to the Licensees of the Public Service of Natural Gas Transportation and Distribution, as well as the increase in the price of Natural Gas provided by Resolution 28, numerous legal actions were initiated bringing about their nullity, which seriously affected their application and the established framework.

After the request to freeze rates filed by an NGO, on July 6, 2016, the Federal Court of La Plata issued a ruling which declared the null and void of Resolutions No. 28 and 31 rolling back the tariff situation to the existing prior to the issuance of these regulations. Attentive to the particular circumstances of the lawsuit, the ruling, once firm, would prevent natural gas transportation and distribution companies to bill the services rendered according to the new tariff charts effective as from April 1, 2016.

The National Government requested the review of the judgment by the Supreme Court of Justice of the Nation, and thus filed the corresponding extraordinary appeal before the Federal Court of La Plata.

23

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

On July 12, 2016, the MINEM issued Resolution No. 129/2016 (the "Resolution 129") which places limits on final charges to be included in invoices issued by the distribution of natural gas for residential consumers and businesses. This scheme will be in force until December 31, 2016. Resolution 129 does not change the current value of the tariff chart that pays the service provided by the Company nor the service for the distribution of natural gas. These maximum limits will be retroactive to April 1, 2016. In addition Resolution 129 provides that, for both segments of transportation and distribution of natural gas, the actions planned will be implemented to develop the RTI process in the last quarter of 2016, including conducting public hearings before October 31, 2016.

Finally, on August 18, 2016, the Supreme Court partially upheld the ruling issued by the Chamber, establishing: (i) the obligation to comply with the prior public hearing for the determination of the natural gas tariffs related to the transportation and distribution segments, (ii) it will also be mandatory to carry out prior public hearings to fix the price of natural gas at the Point of Entry to the Transportation System (“PIST” as its acronym in Spanish), and (iii) the nullity of Resolutions 28 and 31 regarding the residential users, in respect of which the rates had to be retroactive to the amounts in force as of March 31, 2016.

Regarding the transportation system, the Supreme Court remarks the illegitimate claim that the tariff regime remains unchanged over time if circumstances require its modification. At the same time, it is highlighted that the evolution of natural gas tariffs for distribution and transportation service has been almost null, concluding that the tariffs  are deficient.

In accordance with the ruling of the Supreme Court, on August 19, 2016, the MINEM published Resolution No. 152/2016 instructing ENARGAS to provide the necessary measures to enable natural gas distributors to apply to residential users the tariff charts in force as of March 31, 2016, for the consumptions made as from April 1, 2016.

Likewise, ENARGAS issued Resolution No. 3953/2016, which provided for the holding of the Public Hearing required by the Supreme Court, which was held between September 16 and September 18, 2016. The Public Hearing considered: (i) the transfer to tariffs of the new price of natural gas in the PIST; and (ii) the transitory tariffs for the public natural gas transportation and distribution service that will be in force until the new tariffs resulting from the ongoing RTI process are effective.

After the Public Hearing, the MINEM issued Resolution No. 212/2016 instructing ENARGAS to provide for the applicable transitional tariff increases until the completion of the initiated RTI process.

Acquisition of  Arbitration Rights

As of the date issuance of these financial statements, with the agreement with the National Government, the arbitration claim is suspended until January 15, 2017.

b)

General framework of the non-regulated segment

Domestic market

New Stabilization Program  – Decree No. 470/2015

On March 28 and March 29, 2016, the MINEM informed TGS the volumes of butane and propane, respectively, that were assigned to commercialize under this program during 2016.

It is noteworthy that participation in the new stabilization program implies that the Company produces and markets the volumes of LPG required by the Secretary of Hydrocarbon Resources at prices significantly lower than the market price, which means that the Company will fail to cover production costs, providing a negative operating margin.

As in prior periods, the Company will continue making the corresponding objections in order to safeguard its financial position and to ensure that this situation is not extended in the future.

24

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

In this regard, on April 4, 2016, the Company made a request for early release regarding the claim filed on August 18, 2015 on the objections made to Resolutions 49/15 and 70/15.

In addition, on May 26, 2016, the Company filed a motion for reconsideration to administrative acts, which provided butane and propane quotas under the New Stabilization Program for 2016. Likewise, on September 21, 2016, TGS filed a motion for reconsideration for the period from May to December 2016.

On May 20, 2016, Decree No. 704/2016 provided for the extension of the issuance of Argentine Bonds in US dollars with an annual rate of 8% which will expire in 2020 ("BONAR 2020") which will be used to, among others, the cancellation of the compensation due of related to Propane Networks Agreement. On June 22, 2016, the Company gave written consent and agreement to the terms and conditions of Decree No. 704/2016 (the "Letter of Consent") to the MINEM. Within this letter, TGS accepted the cancellation of the amounts due as compensation for propane networks Agreement until December 31, 2015, according to the methodology of cancellation informed by the Secretariat of Hydrocarbon Resources, which amounted to Ps. 140,496. On October 5, 2016, TGS received BONAR 2020 for an original nominal value of US $ 8,030,650.92.

In June 2016, the Company proceeded to the signing of the thirteenth and the fourteenth extension of the Propane Networks Agreement, which provides the supply of propane until April 30, 2017. In September 2016, the Company signed the addenda corresponding to these agreements for the purpose of re-determination of the price of propane sold by TGS to distributors and sub-distributors as a consequence of the Supreme Court ruling dated August 18, 2016 which declared the nullity of Resolution 28 for residential consumption, including the price of Propane Network Agreement.

On October 6, 2016, the MINEM issued Resolution No. 212, which provided for the new price of propane to be sold under the Propane Network Agreement paid by residential users.

As of September 30, 2016, the Argentine Government owes to the Company Ps. 280,552 for these concepts, including the amounts due mentioned in the preceding paragraphs. On September 2, 2016, TGS submitted a note to MINEM demanding payment of the amounts owed.

Tariff Charge Decree No. 2,067/08

On March 28, 2016, the Ministry of Energy issued Resolution No. 28/2016 (“Resolution 28”), which instructs ENARGAS to take all the necessary measures to derogate the tariff charge created by Decree No. 2,067/08 as from April 1, 2016.

For further information on the legal action initiated by the Company see note 19.b.

c)

Natural gas transportation system expansions

On July 20, 2016, Nación Fideicomiso S.A. ("NAFISA") notified TGS of MINEM's decision to suspend works to expand the natural gas transportation capacity under the Gas Trusts Program created by Presidential Decree No. 180/04 and its regulations by Resolution No. 185/04 issued by the former MPFIPyS (the "Program").

Under the above scheme, the second expansion of TGS high-pressure trunk pipeline system is developed, which will add an additional transportation capacity of 10.7 MMm3/d. At the date of the notification received, the complete works allowed to provide service for an incremental capacity of 8.7 MMm3/d.

TGS is making the necessary arrangements for the collection of the amounts owed by NAFISA under the respective works management contract.

25

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

18

COMMON STOCK AND DIVIDENDS

a)

Common stock structure and shares’ public offer

As of September 30, 2016 and 2015, TGS’ common stock was as follows:

Common Shares Class (Face value $ 1, 1 vote)	Amount of common stock, subscribed, issued, paid in, and authorized for public offer
Class “A”	405,192,594
Class “B”	389,302,689
	794,495,283

TGS's shares are traded on the Buenos Aires Stock Exchange and under the form of the ADSs (registered with the Securities and Exchange Commission (“SEC”) and representing 5 shares each) on the New York Stock Exchange.

19

LEGAL CLAIMS AND OTHER MATTERS

As of the date of the issuance of these Financial Statements, there are no significant changes with respect to the situation disclosed by the Company as of December 31, 2015, except for that which is indicated below:  

a)

Turnover tax calculated on the natural gas price used by TGS as fuel to render its transportation services

The Company has interpretative differences with several provinces regarding the liquidation of the turnover tax calculated on the natural gas price used by TGS as fuel to render its transportation services. In this framework there have been initiated several lawsuits against TGS, which have adversely concluded by the Company. In this respect, after having paid the amounts claimed in previous years, the Company has begun a tax recovery appeal process to claim to the provinces of Neuquén, Rio Negro, Santa Cruz and Tierra del Fuego a total amount of Ps. 2.9 million, Ps. 0.7 million, Ps. 8.4 million and Ps. 11.2 million, respectively.

In January 2016, the Company was notified of a new claim initiated by the Tax Bureau of the Province of Santa Cruz for fiscal periods May 2011 to July 2014 claiming for an amount of Ps. 5.0 million. In March 2016, the Company filed a reconsideration petition rejecting the request of the claimant, which was subsequently rejected. In April 2016, TGS filed a hierarchical appeal before the Ministry of Economy and Public Works, which was rejected. On May 24, 2016, Ps. 9.0 million were paid in concept of principal and interest. For the recovery of the amount paid, the Company did not submit a repetition appeal but instead, TGS requested the pass-through to the tariff.

On September 9, 2016, the Supreme Court of Justice of the Province of Tierra del Fuego rejected the recurring appeal initiated by TGS for the recovery of Ps. 11.2 million subscribed in 2013. Consequently, the administrative instance has been extinguished, so that the Company initiated before ENARGAS the corresponding administrative process for the transfer of said amount in order to maintain the tax neutrality guaranteed in the license.

As of September 30, 2016 and December 31, 2015, the Company recorded a provision of Ps. 211.4 million and Ps. 127.8 million, respectively, in respect of this contingency under the line item "Provisions".  Those amounts were determined in accordance with the estimations of tax and interests, that would be payable as of such date, in case this contingency turns out unfavorable for the Company.

b)

Action for annulment of ENARGAS Resolutions No. I-1,982/11 and No. I-1,991/11 (the “Resolutions”)

As mentioned in Note 17.b, Resolution 28 derogated all the administrative actions taken to set the applicable amount to the natural gas import charge as from April 1, 2016.

26

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

Nevertheless, the Company will continue with judicial claims in order to obtain the declaration of the unconstitutionality of all rules by the Decree. On March 17, 2016, a further extension of the injunction was granted and consequently, was extended until September 2016. The National Chamber of Appeals confirmed the rejection made by the Court of First Instance Judge to ENARGAS petition of declaring abstract the judicial proceedings filed by TGS considering the ruling "Alliance" issued by the Supreme National Court of Justice in December 2014. The National Government filed an extraordinary appeal against that decision and it was rejected.

TGS’s Management believes it has sufficient valid arguments to defend its position, and thus, the Company has not recorded the increase of the charge for natural gas consumptions from the date of obtaining the injunction until April 1, 2016, effective date of Resolution 28. In the event this injunction had not been obtained, the impact of the Resolutions for the nine-month period ended September 30, 2016, taking into account the possibility of carryforward of the charge to the sales price of the product, would have implied a net loss of Ps. 52.1 million. Meanwhile, the accumulated impact on the retained earnings since obtaining the injunction would have involved a reduction effect of Ps. 601.6 million.

c)

Arbitral claim

On May 8, 2015, the Secretariat of the International Court of Arbitration of the International Chamber of Commerce notified TGS regarding the request for arbitration initiated by PAE and Pan American Sur SA (the "applicants") related to the execution of three natural gas processing contracts between the applicants and TGS (the “Agreements”). On April 4, 2016, the Company was notified of the beginning of the corresponding demand, to which TGS must respond on or before August 17, 2016.

According to the demand, the applicants allege breach of contracts during the period between February 2006 and February 2016, that would have resulted in a lower allocation of the products obtained (the “Products”), which shortfall at September 30, 2016 is claimed to be equal to US$ 163 million, plus interest (the "Claim").

TGS considers that the Claim contains inconsistencies resulting from misinterpretations of the contractual provisions and an incorrect application of the mechanisms for calculating the allocation of the Products, and therefore the Company believes that the amount claimed is not supportable.

TGS, jointly with technical experts and its legal counsel, continue to review the Claim as it prepares to respond to the demand for arbitration.  Management believes that the Company has meritorious defenses to the Claim and intends to assert such defenses vigorously.

Given the present stage of the arbitration process, as of the date of issuance of these Consolidated Financial Statements, TGS cannot predict the outcome of this proceeding.

20

BALANCES AND TRANSACTIONS WITH RELATED COMPANIES

Key management compensation

The accrued amounts corresponding to the compensation of the members of the Board of Directors, the Statutory Committee and the Executive Committee for the nine-month periods ended September 30, 2016 and 2015 were Ps. 26,561 and Ps. 20,216, respectively.

27

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

Balances and transactions with related parties

The detail of significant outstanding balances for transactions entered into by TGS and its related parties as of September 30, 2016 and December 31, 2015 is as follows:

 

The detail of significant transactions with related parties for the nine-month period ended September 30, 2016 and 2015 is as follows:

Nine-month period ended September 30, 2016:

28

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

Nine-month period ended September 30, 2015:

21

SUBSIDIARY AND ASSOCIATES

Link:

Link operates a natural gas transportation system, which links TGS’s natural gas transportation system with the Cruz del Sur S.A. pipeline. The connection pipeline extends from Buchanan (Province of Buenos Aires), located in the high-pressure ring that surrounds the city of Buenos Aires, which is part of TGS’s pipeline system, to Punta Lara (Province of Buenos Aires). TGS’s ownership interest in such company is 49% and Dinarel S.A. holds the remaining 51%.

TGU:

TGU is a company incorporated in Uruguay. This company rendered operation and maintenance services to Gasoducto Cruz del Sur S.A. and its contract terminated in 2010. TGS holds 49% of its common stock and Petrobras Argentina holds the remaining 51%.

EGS:

In September 2003, EGS, a company registered in Argentina, was incorporated. The ownership is distributed between TGS (49%) and TGU (51%). EGS owned its pipeline, which connected TGS’s main pipeline system in the Province of Santa Cruz with a delivery point on the border with Chile.

In October 2012, ENARGAS issued a resolution which authorizes EGS to transfer the connection pipeline and service offerings in operation to TGS. On December 17, 2013, the sale of all the fixed assets of EGS to TGS for an amount of US$ 350,000 was made, the existing natural gas transportation contracts were transferred and the procedures to dissolve the Company were initiated.

The Board of Directors Meeting held on January 13, 2016, approved to initiate the necessary steps for the dissolution of EGS. The Extraordinary Shareholders Meeting held on March 10, 2016 appointed EGS’ liquidator.

29

TRANSPORTADORA DE GAS DEL SUR S.A.

NOTES TO THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS

AS OF SEPTEMBER 30, 2016 AND COMPARATIVE INFORMATION

 (Stated in thousands of pesos as described in Note 3, unless otherwise stated)

22

SUBSEQUENT EVENTS

The Financial Statements were approved and authorized for issuance by the Board of Directors on November 7, 2016.

No subsequent events between the end of the nine-month period ended September 30, 2016 and the date of the approval (issuance) of these condensed interim consolidated financial statements have had a material effect on the financial position or the results of operations of the Company, except for the mentioned below:

Full redemption of 2007 Notes

On October 14, 2016, TGS’ Board of Directors approved the redemption of all outstanding Class 1 2007 Notes for a remaining amount of US $ 30,820,750 with final maturity on May 14, 2017.

The pre-cancellation will take place on November 14, 2016 in accordance with the terms and conditions of the price supplement dated April 20, 2007 published in the Buenos Aires Stock Exchange Bulletin dated April 23, 2007. The redemption price will be for all of its outstanding nominal value plus interest accrued.

EGS’ dividends distribution in kind

On October 13, 2016, the liquidator of EGS ordered the distribution of a dividend in kind for Ps. 4,672 through the partial distribution of the credit that EGS has with TGS as a result of the sale of the connecting gas pipeline made in December 2013, as mentioned in note 21.

23

INFORMATION REQUIRED BY ARTICLE 26 OF SECTION VII CHAPTER IV TITLE II OF CNV RULES

In order to comply with General Resolution No. 629/2014 TGS informs that by November 7, 2016, supporting and management documentation related to open tax periods is safeguarded by Iron Mountain Argentina S.A. at its facilities are located at 3825 Cañada de Gómez Street in the Autonomous City of Buenos Aires.

As for commercial books and accounting records, they are situated in the headquarters of the Company in areas that ensure its preservation and inalterability.

The Company has available in its headquarters to CNV details of the documentation given in safeguard to third parties.

 Gustavo Mariani

Chairman of the Board of Directors

30

LIMITED REVIEW REPORT

To the Shareholders, President and Directors of

Transportadora de Gas del Sur S.A.

Introduction

We have reviewed the accompanying condensed interim consolidated financial statements of Transportadora de Gas del Sur S.A. and its subsidiary, at September 30, 2016, including the condensed interim consolidated statement of financial position at September 30, 2016, the related condensed interim consolidated statements of comprehensive income for the nine and three-month period ended at September 30, 2016 and the condensed interim consolidated statements of changes in equity and cash flows for the nine-month period then ended, and a summary of significant accounting policies and other explanatory notes.

The balances and other information corresponding to the fiscal year 2015 and to its interim periods are an integral part of the financial statements mentioned above; therefore, they must be considered in connection with these financial statements.

Responsibility of the Board of Directors

The Company’s Board of Directors is responsible for the preparation and presentation of these condensed interim consolidated financial statements under the International Financial Reporting Standards (“IFRS”) as issued by the International Accounting Standards Board (“IASB”), and adopted by the Federación Argentina de Consejos Profesionales de Ciencias Económicas (“FACPCE”) as its professional accounting standards and added by the Comisión Nacional de Valores (“CNV”) to its regulations; therefore, it is responsible for the preparation and presentation of the condensed interim consolidated financial statements mentioned above in accordance with International Accounting Standard 34 “Interim Financial Reporting” (IAS 34).

Scope of review

We conducted our review in accordance with International Standard on Review Engagements 2410, 'Review of interim financial information performed by the independent auditor of the entity', as issued by the International Auditing and Assurance Standards Board (“IAASB”), and adopted by the FACPCE as its standard of review in Argentina by Technical Resolution N° 33. A review of interim financial information consists of making inquiries, primarily of persons responsible for financial and accounting matters, and applying analytical and other review procedures. A review is substantially less in scope than an audit conducted in accordance with International Standards on Auditing and consequently does not enable us to obtain assurance that we would become aware of all significant matters that might be identified in an audit. Accordingly, we do not express an audit opinion.

Conclusion

Based on our review, nothing has come to our attention that causes us to believe that the accompanying condensed interim consolidated financial statement is not prepared, in all material respects, in accordance with International Accounting Standard 34 'Interim Financial Reporting'.

Price Waterhouse & Co. S.R.L., Bouchard 557, piso 8°, C1106ABG - Ciudad de Buenos Aires

T: +(54.11) 4850.6000, F: +(54.11) 4850.6100, www.pwc.com/ar

Price Waterhouse & Co. S.R.L. es una firma miembro de la red global de PricewaterhouseCoopers International Limited (PwCIL). Cada una de las firmas es una entidad legal separada que no actúa como mandataria de PwCIL ni de cualquier otra firma miembro de la red.

Free translation from the original prepared in Spanish for publication in Argentina

Report about the compliance with current regulations

a)

the condensed  interim consolidated financial statements of Transportadora de Gas del Sur S.A. are transcribed into the “Inventory and Balance Sheet” book and as regards those matters that are within our competence, they are in compliance with the provisions of the Commercial Companies Law and pertinent resolutions of the National Securities Commission;

b)

the condensed  interim separate financial statements of Transportadora de Gas del Sur S.A. arise from accounting records kept in all formal respects in conformity with legal regulations;

c)

we have read the summary of activity and, as regards those matters that are within our field of competence, we have no observations to make;

d)

at September 30, 2016 the debt accrued by Transportadora de Gas del Sur S.A. in favor of the Argentine Integrated Social Security System according to the Company's accounting records amounted to $ 15.332.015, none of which was claimable at that date.

City of Buenos Aires, November 7, 2016.

PRICE WATERHOUSE & CO. S.R.L.

(Partner)

Alejandro P. Frechou

2

Price Waterhouse & Co. S.R.L., Bouchard 557, piso 8°, C1106ABG - Ciudad de Buenos Aires

T: +(54.11) 4850.6000, F: +(54.11) 4850.6100, www.pwc.com/ar

Price Waterhouse & Co. S.R.L. es una firma miembro de la red global de PricewaterhouseCoopers International Limited (PwCIL). Cada una de las firmas es una entidad legal separada que no actúa como mandataria de PwCIL ni de cualquier otra firma miembro de la red.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Transportadora de Gas del Sur S.A.

By:	/s/Alejandro M. Basso
		Name:	Alejandro M. Basso
		Title:	Chief Financial Officer

By:	/s/Nicolás M. Mordeglia
		Name:	Nicolás M. Mordeglia
		Title:	Legal Affairs Vice President

Date: December 7, 2016

Footnotes

¹⁽⁾ Not covered by Auditor’s Limited Review, except for items 4, 5 and 7.