• More than 9,200 companies from 59 industries were assessed for this year’s Sustainability Yearbook, with only 848 recognized as Yearbook Members.
• With a score of 85 out of 100, ISA stands out among its peers in the electric power utilities industry.
• This marks the third time ISA has received this recognition, ranking among the top 10% of companies worldwide in its industry for sustainability performance.
• ISA is one of only two Colombian companies ranked within the top 10 in Latin America in the electric power sector.

According to the Global Sustainability Yearbook classification, the company has joined the exclusive top 10% of electric power utilities worldwide, recognizing organizations with the strongest sustainability performance.

According to the report, ISA achieved outstanding results across all three assessed dimensions—Environmental, Social, and Governance—improving its score in each category compared to the previous year. This achievement represents ISA’s ninth inclusion in the Yearbook.

In the Environmental dimension, ISA scored 87 out of 100, improving by 19 points driven by advances in climate strategy, biodiversity management, and water stewardship. In the Social dimension, the company achieved a score of 82 out of 100, an increase of 8 points, supported by strengthened labor practices, diversity and inclusion initiatives, workforce training on critical business topics, and programs expanding access to basic services. In Governance, ISA scored 84 out of 100, improving by 4 points, reflecting its commitment to ethical business practices, transparency, and the promotion of integrity among its stakeholders.

“Being included in the S&P Global Sustainability Yearbook 2026 confirms the strength of our strategic vision, which places sustainability at the core of our business. This recognition reinforces our purpose of anticipating challenges and actively contributing to the transformations required by the global environment,” said Jorge Carrillo, President of ISA.

A Strong Commitment

ISA continues to strengthen its leadership in sustainability through a solid and verifiable Net Zero roadmap focused on real emissions reductions, the adoption of low-carbon technologies, and responsible offsetting based on ecosystem restoration and protection. The company has established targets in energy efficiency, process electrification, and renewable energy integration, complemented by conservation, reforestation, and ecological connectivity initiatives that enhance territorial resilience.

This progress is also driven by a talent management approach that fosters strong work environments, promotes diversity and inclusion, and develops key capabilities to address business challenges. In addition, ISA accelerates the energy transition through the expansion and modernization of transmission infrastructure, supported by network digitalization and the development of electric mobility infrastructure. These efforts are aligned with strategic social programs that strengthen local capabilities, education, and community infrastructure, all underpinned by an organizational culture based on ethics and integrity.