PT Medco Energi Internasional Tbk : MedcoEnergi Exceeds Target, Reduces More Than 1.5 Million Tons of CO₂e Ahead of Schedule

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PT Medco Energi Internasional Tbk Tel +62-21 2995 3000 The Energy 53 rd Fl., SCBD Area Lot 11 A Fax +62-21 2995 3001 Jl. Jend. Sudirman, Jakarta 12190 https://www.medcoenergi.com Indonesia MedcoEnergi Exceeds Target, Reduces More Than 1.5 Million Tons of CO ₂ e Ahead of Schedule Jakarta, 4 August 2025 - PT Medco Energi Internasional Tbk (MedcoEnergi) has recorded a reduction of more than 1.5 million tons of Scope 1 and 2 greenhouse gas (GHG) emissions compared to its 2019 baseline. This amount surpasses the Company's 2025 target of 1.08 million tons CO ₂ e, or 20% of total emissions in the base year. This emission reduction is part of MedcoEnergi's long-term plan to achieve Net Zero Scope 1 and 2 GHG emissions by 2050, and Scope 3 emissions by 2060. In implementation, the Company has undertaken various initiatives, including efficiency and emission reduction programs across its operational areas in Indonesia and international assets. In 2024, MedcoEnergi implemented 43 initiatives across its assets, with estimated peak annual GHG emission reductions reaching 181,727 tons CO ₂ e. The largest contribution came from flare avoidance activities in the Corridor Block, amounting to 53,713 tons CO ₂ e. "Emission reduction is part of our efforts to enhance overall operational efficiency. MedcoEnergi continues to carry out various emission reduction initiatives in parallel with our day-to-day field operations," said Ronald Gunawan, Director & Chief Operating Officer of MedcoEnergi. Emission reductions were also achieved through production process optimization to improve gas fuel efficiency and reduce methane emissions. In offshore operations, solar PV panels were installed to support energy needs on several platforms in the South Natuna Sea Block B and Sampang Block. Solar PV panels were also deployed in onshore asset operations in Indonesia. Conversion from diesel generators to grid-based power supply was implemented in Oman, the Grati Facilities (East Java), and the Rawa Gas Plant (South Sumatra). In addition, biodiesel was used for supply vessels in Thailand. "Emission reduction efforts are conducted in compliance with applicable technical and environmental standards. These initiatives will continue and expand in line with the Company's transformation towards more efficient and lower-carbon operations," Ronald concluded. PT MedcoEnergi Energi Internasional Tbk ("MedcoEnergi") is a leading Southeast Asian energy and natural resources company listed on the Indonesia Stock Exchange (MEDC-IDX). MedcoEnergi has three key business segments, Oil & Gas, Power and Copper Mining. MedcoEnergi explores for and produces oil and gas primarily in Indonesia. The Group operates gas, PV, geothermal and hydro power plants in Indonesia through MedcoEnergi Power and has a non-consolidated interest in PT Amman Mineral Internasional Tbk which operates a large copper and gold mine. This document may contain projections, plans, strategies, policies and objectives of MedcoEnergi which should be treated as forward looking statements within the meaning of applicable law. Forward looking statements, by their nature, involve risks and uncertainties that could cause actual results to differ materially from those expressed or implied in these statements. The Company does not guarantee that any action taken in reliance on this document will bring specific results. For further information please call: Corporate Secretary | Investor Relations | Tel: (62-21) 2995 3000, Fax: (62-21) 2995 3001 Email: [email protected] | [email protected] Website: https://www.medcoenergi.com

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