SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
Report of Foreign Issuer
Pursuant to Rule 13a-16 or 15d-16 of
the Securities and Exchange Act of 1934
For October 10, 2018
Commission file number: 1-13.396
Transportadora de Gas del Sur S.A.
Don Bosco 3672, Fifth Floor
1206 Capital Federal
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or 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.
If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):
City of Buenos Aires, October 10, 2018.
DAL N° 1358/18
Comisión Nacional de Valores
Bolsas y Mercados Argentinos S.A.
Bolsa de Comercio de Buenos Aires
Gerencia Técnica y de Valores Negociables
Re: Material Fact. Report on our own stock buyback.
I am addressing you, as the Head of Market Relations of Transportadora de Gas del Sur S.A. (TGS or the Company), in order to report on the repurchase of TGS shares, complying with the provisions of section 64 and subsequent ones of the Capital Market Act No. 26,831 and the regulations set forth by Comisión Nacional de Valores
(Argentine Securities and Exchange Commission)
and with the terms and conditions approved by the Board in its meeting dated 6 September 2018 and published in the market through the Material Fact dated 7 September 2018.
In that respect, I further state that on this date the Company acquired 36,100 of its own ADRs (each one representative of 5 of its common shares) pursuant to what is stated herein below: