Aguas Andinas (AGUAS) investor relations material

Executive summary

• Revenue for the first nine months of 2025 increased by 7.8% year-over-year, driven by new rates, tariff adjustments, and higher consumption.

• EBITDA rose by 8.1% to CLP 254,310 million, maintaining margin stability at 48.8%.

• Net profit reached CLP 97,305 million, up 6.5% compared to the same period last year.

• Cash generation remained robust, with free cash flow at CLP 51 billion and cash position rising to CLP 193,887 million.

• Recognized for sustainability and investor relations, winning first place in all ALAS20 categories; local and international credit ratings reaffirmed at AA+ and A-.

Financial highlights

• Revenues reached CLP 520,858 million, up 7.8% year-over-year, mainly from new tariff processes, indexation, and a 1.2% increase in supplied volume.

• EBITDA totaled CLP 254,310 million, up 8.1% year-over-year; net income was CLP 97,305 million, a 6.5% increase.

• Operating costs increased by 7.5%, mainly due to inflation, higher labor costs, water transfers, and energy expenses.

• Interim dividend of CLP 42,000 million (6.86391 per share) to be paid December 2, 2025.

• Cash and cash equivalents rose to CLP 193,887 million, up CLP 7,649 million from June 2025.

Outlook and guidance

• Investment execution in 2025 is expected to be lower than previous years, but committed projects and a robust plan of CLP 117,897 million will maintain guidance for coming years.

• SISS authorized the Alternative Supply Plan tariff, effective September 15, 2025.

• Labor cost impacts from regulatory changes will be managed through process redesign and gradual implementation.

• Average annual investments projected between CLP 200,000 and CLP 250,000 million for 2025-2030, focusing on climate change mitigation and infrastructure renewal.

• Tariff increases of 3% in March 2025, 1% in December 2025, and 1% in March 2026, with additional variable tariffs for drought-related measures.