Sustainability Report

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Transforming Business, Driving Sustainable Growth

12 Mei 2026 (Latest Update)

The synergy between Telkom and its subsidiaries ("Telkomgroup") in implementing sustainability practices serves as a key driver for sustainable business growth, where the pursuit of business excellence is aligned with the creation of shared value for all stakeholders.

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ESG Bulletin

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Issue #7: Energy Efficiency: Telkom's Investment for the Earth and Sustainability

July 3, 2026 (Latest Update)

This bulletin reviews TelkomGroup's journey in building sustainability, starting with the Company's Transformation Strategy towards a sustainability-based business, the Green Data Center, one of TelkomGroup's solutions to the data and energy explosion, the Mitratel Green Tower and AI, and the DigilandRun 2026 initiative, which runs for the earth through a carbon offset scheme.

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Climate Risk Report

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Sustainable Transformation Towards Excellence

The Climate Risk Report marks TelkomGroup’s first disclosure of efforts to address climate risks and opportunities in 2023, following IFRS S2 and TCFD guidelines across governance, risk management, strategy, and metrics.

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Certification

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ISO 14001:2015 Certification

PT Telkom Indonesia, Tbk holds ISO 14001:2015 certification for its Environmental Management System under certificate number EMS 831094, issued by BSI, an independent certification body accredited by the National Accreditation Committee (KAN), UKAS and ANAB.

The certificate is valid from 14 August 2025 to 13 August 2028 and is subject to periodic audits by BSI throughout its validity. This certification complements Telkom's broader environmental management efforts, including ISO 14064-1:2018-based greenhouse gas inventory verification, and provides the framework for the phased expansion of environmental management system implementation across the Company.

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Emission Verification

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Telkomgroup Results of The 2025 Emission Verification

As part of its continuous efforts to uphold transparency and accountability in environmental management, TelkomGroup has successfully completed the verification process of its Greenhouse Gas (GHG) Emissions Inventory in accordance with the ISO 14064-1:2018 standard.

The verification was conducted by an accredited independent third party and confirms the accuracy and credibility of our GHG data for the 2025 reporting year. This achievement reaffirms Telkom’s commitment to aligning with global sustainability standards and supporting Indonesia’s Net Zero Emission agenda.

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