Transportadora de Gas del Sur SA commenced operations on December 29, 1992. The Company is engaged in the transportation and processing of natural gas liquids in Argentina. The Company's pipeline system connects natural gas fields in southern and western Argentina with distributors and other users of gas in those areas and the greater Buenos Aires area. The Company analyzes its businesses into three segments: Natural Gas Transportation Services, Liquids Production and Commercialization and Other Services. The Company provides natural gas transportation services subject to availability of the pipeline capacity. In addition, it renders operation and maintenance services of the Natural Gas Transportation facilities, which belong to certain gas trusts. Liquids Production and Commercialization consists of natural gas processing activities where all of natural gas pipelines connect, and where ethane, propane, butane and natural gasoline are recovered. In Other Services, the Company renders midstream services that consist of gas treatment, separation and removal of impurities from the natural gas stream and compression services, which are rendered to the natural gas producers at the wellhead, as well as activities related to construction, operation and maintenance of pipelines and compressor plants. Other Services also include telecommunication services. The Company's operations are in compliance with applicable laws and regulations related to the protection of the environment.