Contacts in Buenos Aires, Argentina:

Investor Relations

Media Relations

Leandro Perez Castaño, Finance and IR Manager.

Mario Yaniskowski

 leandro_perez@tgs.com.ar

 mario_yaniskowski@tgs.com.ar

Carlos Almagro, Investor Relations Officer

 carlos_almagro@tgs.com.ar

tgs announces results for the fourth quarter ("4Q") and full year ("FY")

ended on December 31, 2023 (1)

Transportadora de Gas del Sur ("tgs", "the Company", "us", "our", or "we") is the leader in Argentina in the transportation of natural gas, transporting approximately 60% of the gas consumed in the country, through more than 5,700 miles of gas pipelines, with a firm-contracted capacity of 83.4 MMm3/d. We are one of the main natural gas processors. In addition, our infrastructure investment in the Vaca Muerta formation places us as one of the main Midstreamers in Argentina.

Our shares are traded on NYSE (New York Stock Exchange) and BYMA (Bolsas y Mercados Argentinos S.A.).

Our controlling company is Compañía de Inversiones de Energía S.A. ("CIESA"), which owns 51% of the total share capital. CIESA's shareholders are: (i) Pampa Energía S.A. with 50%, (ii) led by the Sielecki family, Grupo Investor Petroquímica S.L. (GIP), and PCT L.L.C. hold the remaining 50%.

For further information, see our website https://www.tgs.com.ar/inversores/servicio-para-inversores?lang=EN

Stock Information

BYMA Symbol: TGSU2

NYSE Symbol: TGS (1 ADS = 5 ordinary shares)

Shareholding structure as of December 31, 2023 tgs holds 794,495,283 issued shares and 752,761,058 outstanding shares.

Buenos Aires, Argentina, March 4, 2024

During the 4Q2023, total comprehensive loss amounted to Ps. 23,461 million, or a Ps. 31.17 loss per share (Ps.

  1. per ADS), compared to a total comprehensive income of Ps. 16,697 million, or Ps. 22.17 per share (Ps.
  1. per ADS) in the fourth quarter ended on December 31, 2022 ("4Q2022").

4Q2023

4Q2022

Revenues*

102,476

123,358

Operating profit*

22,647

30,615

Depreciation*

16,443

15,123

Operating profit before depreciation* (1)

39,090

45,738

Total comprehensive (loss) / income*

(23,461 )

16,697

(Losses ) / Earnings per shares in Ps.

(31.17 )

22.17

(Losses) / Earnings per ADS in Ps.

(155.84 )

110.83

* (in million of Argentine Pesos)

  1. Operating profit before depreciation is a non-IFRS financial measure, we define the operating profit before depreciation as operating profit plus depreciation of PPE . We believe that this measure provides complementary information to investors and stakeholders for decision making. Operating profit before depreciation should not be interpreted as an alternative to other measures calculated in accordance with IFRS as it may not be comparable with similar denomination measures reported by other entities.

Operating profit for 4Q2023 totaled Ps. 22,647 million, which was Ps. 7,968 million below 4Q2022. This variation was mainly due to lower revenues from the Production and Commercialization of Natural Gas Liquids (Liquids) and Natural Gas Transportation segments amounting to Ps. 26,124 million and Ps. 6,492 million, respectively.

These effects were partially offset by higher revenues from Midstream and Other Services segment ("Midstream") amounting to Ps. 11,735 million and lower operating costs of Ps. 13,238 million.

Financial results recorded a negative variation of Ps. 63,673 million.

  1. The financial information presented in this press release is based on consolidated financial statements presented in constant Argentine pesos as of December 31, 2023 (Ps.) which is based on the application of the International Financial Reporting Standards (IFRS).

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4Q2023 EARNINGS RELEASE

Highlights during 4Q2023 and beyond

  • In December 2023 the Mercedes - Cardales natural gas pipeline began operations. Through this complementary work to the President Nestor Kirchner natural gas pipeline ("GPNK"), carried out by Energía Argentina S.A. ("ENARSA"), more flexibility is provided to transfer natural gas between the transportation systems operated by tgs and Transportadora de Gas del Norte S.A. in the Great Buenos Aires area. It should be noted that tgs was contracted by ENARSA for the operation and maintenance of this natural gas pipeline.
  • On December 14, 2023, ENARGAS' Resolution No. 704/2023 called for a public hearing hold on January 8, 2024, in order to submit for consideration a transitory tariff increase. As of the date of this press release, the corresponding regulations authorizing a resulting transitory tariff increase have not been issued.

Analysis of the results

Total revenues amounted to Ps. 102,476 million in 4Q2023, a Ps. 20,882 million decrease compared to Ps. 123,358 million in 4Q2022.

The breakdown of cost of sales, administrative and selling expenses, excluding depreciation, for 4Q2023 and 4Q2022 is shown in the table below:

4Q2023

4Q2022

Variation

Concept

MM of Ps.

% s/ total

MM of Ps.

% s/ total

MM of Ps.

%

Natural gas purchase (RTP)

22,759

29%

41,441

45%

(18,682)

(45%)

Labor costs

15,171

19%

12,864

14%

2,307

18%

Taxes, fees and contributions

7,591

10%

7,936

9%

(345)

(4%)

Repair and maintenance

6,834

9%

6,209

7%

625

10%

Other fees and third parties services

7,576

10%

6,615

7%

961

15%

Doubtful accounts

171

0%

-

0%

171

n/a

Depreciation

16,443

21%

15,123

16%

1,320

9%

Other charges

3,008

4%

2,603

3%

405

16%

Total

79,553

92,791

(13,238)

Cost of sales and administrative and selling expenses decreased by Ps. 13,238 million in 4Q2023 from 4Q2022. This variation was due to the lower cost of natural gas consumed for liquids production equivalent to Ps. 18,682 million (IAS 29 restatement effect and lower volume consumed, partially offset by the higher price). This effect was partially offset by higher labor costs of Ps. 2,307 million, by higher PPE repair and maintenance and third parties services expenses of Ps.1,586 million and an additional depreciation of Ps. 1,320 million.

Financial results are presented in gross terms considering the effect of change in the

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4Q2023 EARNINGS RELEASE

currency purchasing power ("(Loss) / gain on monetary position") in a single separate line. In 4Q2023, the financial results registered a negative variation of Ps. 63,673 million compared to 4Q2022. This variation mainly reflects a higher exchange rate loss amounting to Ps. 89,128 million (as a consequence of a greater exchange rate depreciation during 4Q2023) and the negative variation on monetary position results of Ps. 43,619 million. These effects were partially offset by higher positive result generated by financial assets totaling Ps. 72,507 million.

Natural Gas Transportation

Operating loss of the Natural Gas Transportation segment was Ps. 11,376 million in 4Q2023 compared to a loss of Ps. 112 million in 4Q2022.

Natural Gas Transportation

4Q2023

4Q2022

Variation

Variation in %

(In million of Argentine pesos)

Revenues

20,306

26,799

(6,493)

(24%)

Intercompany revenues

728

739

(11)

(1%)

Net cost of sales

(26,220)

(21,958)

(4,261)

19%

Other administrative and selling expenses

(5,925)

(5,526)

(399)

7%

Other operating results, net

(265)

(165)

(100)

61%

Operating loss

(11,376)

(112)

(11,264)

n/a

Depreciation of PPE

(9,599)

(10,899)

1,300

(12%)

Natural gas transportation revenues accounted for approximately 20% and 22% of total revenues in 4Q2023 and 4Q2022, respectively.

Revenues from this segment are derived mainly from firm natural gas transportation contracts, which represented approximately 78% and 80% of the total revenues for this segment in 4Q2023 and 4Q2022, respectively.

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4Q2023 EARNINGS RELEASE

This tariff segment, subject to ENARGAS regulation, received its last increase on April 29, 2023 at 95%. Prior to that, tgs was allowed a 60% tariff increase that became effective as of March 1, 2022.

The increase in operating loss was mainly due to lower revenues that showed a decrease of Ps. 6,493 million as a result of the tariff adjustment given was not sufficient to offset the negative variation of the inflation restatement effect under IAS 29, and higher operating costs of Ps. 4,660 million.

Liquids Production and Commercialization

Liquids Production and Commercialization revenues accounted for approximately 54% and 66% of total revenues in 4Q2023 and 4Q2022, respectively. During 4Q2023, production decreased by 44,534 tons, reaching 286,818 tons.

Production and Commercialization of Liquids

4Q2023

4Q2022

Variation

Variation in %

(In million of Argentine pesos)

Revenues

55,303

81,427

(26,124)

(32%)

Net cost of sales

(30,063)

(50,396)

20,333

(40%)

Administrative and selling expenses

(4,340)

(5,443)

1,103

(20%)

Other operating results, net

(112)

65

(177)

n/a

Operating profit

20,789

25,654

(4,865)

(19%)

Depreciation of PPE

(1,084)

(1,176)

92

(8%)

The operating profit of this business segment for 4Q2023 totaled Ps. 20,789 million, Ps. 4,865 million below the Ps. 25,654 million recorded in 4Q2022. This decrease was mainly due to lower revenues amounting to Ps. 26,124 million, which were partially offset by the lower cost of natural gas consumed of Ps. 18,682 million.

In terms of the Liquids revenues, which amounted to Ps. 55,303 million in 4Q2023, or 32% below the Ps. 81,427 million in 4Q2022, we highlight the impact of the restatement in accordance with IAS 29 of Ps. 46,700 million, the decline in propane's international reference prices of Ps. 4,691 million, lower volume sold of Ps. 12,052 million, and decrease in the price of ethane sold of Ps. 2,106 million. These effects were partially offset by the nominal variation of the exchange rate on U.S. dollar-denominated revenues amounting to Ps. 37,791 million, the increase in services rendered of Ps. 2,075 million and the higher price of butane sold under the Plan Hogar of Ps. 1,298 million.

Total volume dispatched decreased 19%, or 65,057 tons, compared to 4Q2022. This decline was mainly related to lower tons of propane and butane sold in foreign market and ethane dispatched (due to the customer's inability to take the product).

The breakdown of volumes dispatched by market and product and revenues by market is included below:

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4Q2023 EARNINGS RELEASE

4Q2023

4Q2022

Variation

(in tons)

Local market

Ethane

89,369

110,124

(20,755)

Propane

45,083

34,370

10,713

Butane

45,861

44,060

1,801

Subtotal

180,313

188,554

(8,241)

Foreign market

Propane

44,220

75,276

(31,056)

Butane

13,073

38,492

(25,419)

Natural gasoline

32,973

33,314

(341)

Subtotal

90,266

147,082

(56,816)

Total

270,579

335,636

(65,057)

4Q2023

4Q2022

(in million of Argentine Pesos)

Local market

33,241

42,432

Foreign market

22,062

38,995

Total Revenues

55,303

81,427

Midstream and Telecommunications

Midstream and Telecommunications business segments include mainly services provided by tgs in Vaca Muerta, representing approximately 26% and 12% of our total revenues for 4Q2023 and 4Q2022, respectively.

Midstream and Telecommunications

4Q2023

4Q2022

Variation

Variation in %

(In million of Argentine pesos)

Revenues

26,867

15,132

11,735

78%

Net cost of sales

(10,457)

(8,475)

(1,982)

23%

Other administrative and selling expenses

(3,276)

(1,731)

(1,546)

89%

Other operating results, net

100

147

(48)

(32%)

Operating profit

13,233

5,073

8,160

161%

Depreciation of PPE

(5,759)

(3,049)

(2,710)

89%

Operating profit rose by Ps. 8,160 million mainly as a result of the Ps. 11,735 million increase in revenues during 4Q2023, which was partially offset by higher operating costs of Ps. 3,528 million.

The increase in revenues was primarily explained by higher natural gas transportation and conditioning services at Vaca Muerta amounting to Ps. 11,595 million, the nominal effect of the exchange rate on U.S. dollar-denominated revenues of Ps. 4,802 million and increased in

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4Q2023 EARNINGS RELEASE

services related to the GPNK operation and maintenance and complementary works for Ps. 1,309 million. These effects were partially offset by the impact of the IAS 29 restatement of Ps. 6,777 million.

Financial position analysis

Net debt

As of December 31, 2023, our net debt amounted to Ps. 34,993 million compares favorably to the net debt of Ps. 37,904 million as of December 31, 2022. Our total net financial debt is denominated in foreign currency for both periods.

During 4Q2023 the Company incurred in a new bank debt amounting to Ps. 17,366 million (US$ 39.3 million). In addition, loans amounting to Ps. 9,806 million (US$ 21.1 million) were cancelled.

The table below shows a reconciliation of our net debt:

12/31/2023

12/31/2022

(in million of Argentine pesos)

Current loans

(60,567)

(12,207)

Non current loans

(411,081)

(282,428)

Cash and cash equivalents

6,599

9,308

Other financial assets at fair value through profit or loss

217,537

122,351

Other financial assets at amortized cost

212,519

125,072

Net debt*

(34,993)

(37,904)

  • Net debt is a non-IFRS financial measure. We define Net debt as short- and long-term financial debts less: (i) cash and cash equivalents and, (ii) Other current and non current financial assets at amortized cost and (iii) Other financial assets at fair value through profit or loss. We believe that this measure provides complementary information to investors and management for decision making that allows to assess our level of indebtedness. Net debt should not be interpreted as an alternative to other financial measures calculated in accordance with IFRS as it may not be comparable with similar denomination measures reported by other entities.

The maturity profile of our financial debt is as follows (in millions of Argentine pesos as of December 31, 2023):

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4Q2023 EARNINGS RELEASE

Liquidity and capital resources

The net variation in cash and cash equivalents for 4Q2023 and 4Q2022 is broken down as follows:

4Q2023

4Q2022

Variation

(in million of Argentine pesos)

Cash flows provided by operating activities

52,336

14,773

37,563

Cash flows used in investing activities

(62,105)

(28,958)

(33,147)

Cash flows used provided by financing activities

7,344

571

6,773

Net variation in cash and cash equivalents

(2,425)

(13,614)

11,189

Cash and cash equivalents at the beginning of the y

8,739

24,889

(16,150)

Monetary result effect on cash and cash equivalents

(676)

(2,214)

1,538

Foreign exchange gain on cash and cash equivalents

964

249

715

Cash and cash equivalents at the end of the year

6,599

9,308

(2,708)

As of December 31, 2023 and 2022, the funds allocation was as follows:

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4Q2023 EARNINGS RELEASE

12/31/2023

12/31/2022

Cash and banks

2,672

902

Mutual funds

2,054

8,302

Interest-bearing current bank accounts

1,874

104

Total cash and cash equivalents

6,599

9,308

Public debt bonds

83,787

22,305

Private debt bonds

113,886

88,375

Time deposits

212,519

125,073

Shares

19,865

11,670

Total fund allocations

430,056

247,423

The table below shows a reconciliation of the free cash flows for the 4Q2023 and 4Q2022 periods:

4Q2023

4Q2022

(in million of Argentine pesos)

Cash flows provided by operating activities

52,336

14,773

PPE adquisition payments

(43,795)

(28,338)

Free cash flows(1)

8,541

(13,565)

  1. Free cash flows is a non-IFRS financial measure, we define the free cash flows as the cash flows generated by operating activities less the payments made for the acquisition of PPE. Our management considers it as useful for investors and management as a measure of our ability to generate cash that will be used to pay the scheduled debt maturities and that can be used to invest in future growth through new business activities, business development, dividend payment, buy back treasury shares or other financing and investment activities. The free cash flows should not be interpreted as an alternative to other financial measures determined in accordance with IFRS as it may not be comparable with similar denomination measurements reported by other entities.

4Q2023 vs. 4Q2022

During 4Q2023, the cash flow provided by operating activities amounted to Ps. 52,336 million, while in 4Q2022 the cash flow provided by operating activities totaled Ps. 14,773 million. This was mainly due to higher exchange rate differences generated by trade and other receivables as well as a lower income tax payment (the balance of which was cancelled through the use of tax credits).

4Q2023

4Q2022

Variation

(in million of Argentine pesos)

Total Comprehensive (loss) / Income

(23,461 )

16,697

(40,158 )

Eliminations (1)

86,283

32,490

53,793

Working capital variation

(238 )

(8,045 )

7,807

Income tax paid

(2,714 )

(17,651 )

14,937

Interest paid

(7,533 )

(8,718 )

1,185

Cash flows provided by operating activities

52,336

14,773

37,563

  1. Includes non-cash movements, including depreciation, financial results.

Cash flow used in investing activities amounted to Ps. 62,105 million in 4Q2023, compared to Ps. 28,958 in 4Q2022. This increase was mainly related to higher payments for the acquisition of non-cash investments and higher payments for the acquisition of PPE as part of the investment plan in Vaca Muerta.

4Q2023

4Q2022

Variation

(in million of Argentine pesos)

Acquisition of PPE

(43,795 )

(28,338 )

(15,457 )

Payments for the acquisition of financial assets not considered cash equivalents

(18,310 )

(620 )

(17,690 )

Cash flows used in investing activities

(62,105 )

(28,958 )

(33,147 )

Finally, cash flow used in financing activities increased by Ps. 7,344 million, compared to Ps. 571 million in 4Q2022. This was mainly due to the proceeds from new loans.

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4Q2023 EARNINGS RELEASE

4Q2023

4Q2022

Variation

(in million of Argentine pesos)

Proceeds from loans

17,366

840

16,526

Lease payments

(62 )

-

(62 )

Payment of loans

(9,961 )

(268 )

(9,693 )

Cash flows used in financing activities

7,344

571

6,771

4Q2023 earnings videoconference

We invite you to participate in the videoconference to discuss this 4Q2023 announcement on

Wednesday March 6, 2024 at 09:00 a.m. Eastern Time / 11:00 a.m. Buenos Aires time.

For those interested in participating in our earnings videoconference, there will be a live webcast that you can access at:

https://us02web.zoom.us/webinar/register/WN_KTd0RVdUS1ecVusGo7C6OA

Forward-Looking Statements

This press release contains forward-looking statements. These forward-looking statements include, but are not limited to, all statements other than statements of historical facts contained in this press release, including, without limitation, those regarding our future financial position and results of operations, our strategy, plans, objectives, goals and targets, future developments in the markets in which we operate or are seeking to operate or anticipated regulatory changes in the markets in which we operate or intend to operate. In some cases, you can identify forward-looking statements by terminology such as "anticipate," "believe," "continue," "could," "estimate," "expect," "guidance," "may,", "should" or "will" or the negative of such terms or other similar expressions or terminology.

By their nature, forward-looking statements involve risks and uncertainties because they relate to events and depend on circumstances that may or may not occur in the future. Forward-looking statements speak only as of the date of this press release and are not guarantees of future performance and are based on numerous assumptions. Our actual results of operations, financial condition and the development of events may differ materially from (and be more negative than) those made in, or suggested by, the forward-looking statements. Except as required by law, we do not undertake any obligation to update any forward-looking statements to reflect events or circumstances after the date hereof or to reflect anticipated or unanticipated events or circumstances.

Investors should read the section entitled " Item 3. Key Information-D. Risk Factors " and the description of our segments and business sectors in the section entitled "Item 4.B. Information on the Company-Business Overview", each in our Annual Report on Form 20-F for the year ended December 31, 2022, filed with the Securities and Exchange Commission ("SEC"), for a more complete discussion of the risks and factors that could affect us.

Forward-looking statements include, but are not limited to, statements relating to: operating profits, new investments and projects, including their expected development, completion, commercial operations date, expected financial and operating performance (including enterprise value to EBITDA multiples), expected output capacity, anticipated synergies and market dynamics relating to such investments and projects; the Inflation Reduction Act in the U.S ("IRA") and benefits thereunder; our anticipated limited exposure to current market risks, including our position with respect current market risks and the potential impact from foreign exchange rates and interest rates on CAFD; the impact from potential caps on market prices in the net value of our assets; taxes on energy companies in Spain; equity investments; estimates and targets; escalation factors in relation to inflation; net corporate leverage based on CAFD estimates; financial flexibility; the use of non-IFRS measures as a useful predicting tool for investors; and various other factors, including those factors discussed under "Item 3. Key Information-D. Risk Factors" and "Item 5.A-Operating Results"in our Annual Report on Form 20-F for the year ended December 31, 2022 filed with the SEC.

Non-IFRS Financial Measures

This press release also includes certain non-IFRS financial measures. Non-IFRS financial measures are not measurements of our performance or liquidity under IFRS as issued by IASB and should not be considered alternatives to operating profit or profit for the period or net cash provided by operating activities or any other performance measures derived in accordance with IFRS as issued by the IASB or any other generally accepted accounting principles or as alternatives to cash flow from operating, investing or financing activities.

We present non-IFRS financial measures because we believe that they and other similar measures are widely used by certain investors, securities analysts and other interested parties as supplemental measures of performance and liquidity. The non-IFRS financial measures may not be comparable to other similarly titled measures employed by other companies and may have limitations as analytical tools. These measures may not be fit for isolated consideration or as a substitute for analysis of our operating results as reported under IFRS as issued by the IASB. Non-IFRS financial measures and ratios are not measurements of our performance or liquidity under IFRS as issued by the IASB. Thus, they should not be considered as alternatives to operating profit, profit for the period, any other performance measures derived in accordance with IFRS as issued by the IASB, any other generally accepted accounting principles or as alternatives to cash flow from operating, investing or financing activities.

Rounding: Certain figures included in this press release have been rounded for ease of presentation. Percentage figures

9

4Q2023 EARNINGS RELEASE

included in this press release have not, in all cases, been calculated on the basis of such rounded figures but on the basis of such amounts prior to rounding. For this reason, percentage amounts in this press release may vary from those obtained by performing the same calculations using the figures in our Financial Statements. Certain numerical figures shown as totals in some tables may not be an arithmetic aggregation of the figures that preceded them due to rounding.

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Pampa Energia SA published this content on 04 March 2024 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 06 March 2024 17:01:07 UTC.