GAS TRANSPORTER OF THE SOUTH INC (TGS) Form 6-K — Aug 13, 2026

Key figures

Cash Position

Ps. 286,690 million as of June 30, 2026

Covenant limits

coverage ratio >= 2.0:1; consolidated debt/EBITDA <= 3.50:1

Gpm tender demand

over 32 MMm3/d requested; 5.4 MMm3/d awarded April 15, 2026

Notes 2035 proceeds

US$ 491,505,000

Cpi inflation 6m2026

17.09%

Integrated ngls jobs

approx. 4,000 direct and 15,000 indirect

Shareholder structure

CIESA 53.83%, ANSES 25.33%, public 20.84%

Notes 2031 net proceeds

US$ 483,688,800

Net cash decrease 6m2026

Ps. 542,246 million

Liquids volumes growth 6m

+230,903 tons (more than 50%)

Financing cash flow 6m2026

Ps. 4,449 million

Global notes program limit

US$ 2,000 million, expiring January 3, 2029

Insurance advance received

Ps. 12,847,392 thousand

Midstream revenue increase

Ps. 19,284 million

Operating cash flow 6m2026

Ps. 601,976 million (vs Ps. 329,762 million in 6M2025)

Comprehensive income 2q2025

Ps. 53,780 million

Comprehensive income 2q2026

Ps. 133,145 million

Monthly tariff updates 2026

1.73% to 4.21%

Financial results net 6m2026

Ps. 5,689 million (vs Ps. 56,009 million in 6M2025)

Investing cash outflow 6m2026

Ps. 1,148,670 million

Inflation exposure loss 6m2026

Ps. 62,084 million

Liquids segment revenue 6m2026

Ps. 445,761 million (+Ps. 127,421 million)

Gpm expansion capacity increase

14 MMm3/d

Ng transportation revenue 6m2026

Ps. 402,444 million (vs Ps. 417,179 million in 6M2025, -Ps. 14,735 million)

Revenue increase 6m2026 vs 6m2025

Ps. 131,970 million

Integrated ngls project investment

US$ 3,000 million

Integrated ngls expected annual exports

US$ 1,200 million