• TGS filed annual report on Form 20-F for fiscal year ended Dec. 31, 2025.
• Report posted at https://www.sec.gov.
• Filing states TGS transports about 60% of natural gas consumed in Argentina through more than 5,700 miles of pipelines.
• Firm contracted transportation capacity listed at 89 MMn3/d.
• CIESA holds 53.8% of total share capital, with Pampa Energía owning 50% of CIESA.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. TGS - Transportadora de Gas del Sur SA published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0000931427-26-000003), on April 23, 2026, and is solely responsible for the information contained therein.