88 YINSON HOLDINGS BERHAD SUSTAINABILITY REVIEW are often water-stressed. We are actively exploring dry cleaning methods for new projects and plan to adopt a phased approach that alternates between dry and wet cleaning to minimise water consumption wherever possible. Water discharge quality management The World Bank Group standard limits oil in produced water discharge to below 30 ppm, while MARPOL limits oil in slop water discharge to below 15 ppm. Yinson-operated FPSOs strictly adhere to these regulatory requirements and industry guidelines and enforce stringent pollution controls across all sea discharges. We have also established a stricter internal target of 15 ppm oil in water content, or lower, for all water discharges. We rigorously comply with regulations and procedures, including: • MARPOL: limits discharges of potentially polluting substances into the waters where we operate and includes regulations to prevent pollution caused by oil, noxious liquid substances, sewage, garbage, and air pollution. • The International Convention for the Control and Management of Ships’ Ballast Water and Sediments: aims to mitigate the adverse impacts of discharging ballast water in sensitive areas by preventing the release of foreign organisms into marine ecosystems. We maintain regular communications with our stakeholders regarding any discharges of harmful substances, ensuring compliance with MARPOL and the International Convention on Oil Pollution Preparedness, Response and Cooperation. Yinson has established operational procedures and emergency response protocols to minimise risks associated with releasing water into marine ecosystems. We maintain asset-specific Shipboard Marine Pollution Emergency Plans (SOPEP) for our offshore production assets, detailing protocols ensuring emergency preparedness should harmful discharge incidents occur. In FY2026, our total volume of wastewater (effluent) discharged was 12,963.4 ML. In addition, we recorded 1.2 L of unrecovered hydrocarbon spills to the sea. The fleet average oil in water concentration for Yinson-operated FPSOs was 5.3 ppm for slop water, and 5.6 ppm for produced water. Air emissions Non-GHG air emissions include nitrogen oxides (NOx), sulphur dioxide (SO2), carbon monoxide (CO), and nonmethane volatile organic compounds (nmVOCs). These are calculated using activity data and conversion factors recommended by the UK Oil & Gas ‘EEMS – Atmospheric Emissions Calculations (Issue 1.810a)’. In strict compliance with regulatory standards, we monitor and evaluate air emissions on all FPSOs to reduce our carbon footprint. In line with our commitment to reducing air emissions, we prioritise the adoption of low-emission technologies, whenever feasible, on board our assets. We are developing decarbonisation solutions including direct air capture (“DAC”), carbon removal, and opportunities within the carbon value chain relating to transportation, infrastructure and storage. Externally, we continue to nurture strong partnerships with stakeholders, including regulatory bodies, NGOs, governments and agencies where relevant, to ensure full compliance with environmental and disclosure requirements. Waste and pollutants Waste management at Yinson is governed by our Integrated HSSEQ Management System, which aligns with ISO and applicable maritime requirements under the International Convention for the Prevention of Pollution from Ships (“MARPOL”), and sets standards for waste prevention, handling and monitoring. These requirements are operationalised through the YMS. Asset-level waste management plan Yinson Production maintains robust MARPOL-aligned waste management plans for each operating asset. These plans outline controls for waste prevention, segregation, safe storage, transfer and final disposal, ensuring effective and compliant waste handling on board. Where fitted, approved shipboard incinerators are used for specific waste streams, while food waste is managed strictly in accordance with MARPOL Annex V. All disposals are handled by licensed waste service providers for recycling, treatment, recovery (where feasible) or compliant final disposal. Ongoing waste and pollutant monitoring We continually monitor waste and pollutants onboard our assets to minimise environmental impacts and ensure regulatory compliance. Operational data, such as waste volumes by stream, transfers to shore, contractor receipts, incinerator logs and Annex V records, are consolidated for internal review and visualised through dashboards, supporting oversight, trend analysis and ongoing improvement. In FY2026, we generated 1,288.3 tonnes of waste, of which 278 tonnes were diverted from disposal through recycling, reusing or recovery. In addition, we recorded zero non‑compliances with environmental laws and regulations, reflecting the effectiveness of our integrated controls. We aim to sustain this performance. Water and effluents Yinson Production’s operations are largely independent of shared water resources with local communities, thereby avoiding undue strain on potable groundwater or other freshwater sources. Where feasible, our assets generate freshwater onboard for operational use. During oil & gas production, our FPSOs discharge produced water, slop water, and seawater. These liquid discharges are treated to meet regulations before being released into surface water, with quality assessed by oil content. Meanwhile, Yinson Renewables’ operations generally require minimal overall water consumption, as water is mainly used for periodic cleaning of solar panels to maintain generation efficiency. Water used for cleaning is generally sourced from local municipal supplies, in line with site-specific availability and regulatory requirements. Many of our solar PV assets are strategically located in regions with high solar irradiation, making them ideal for solar renewable energy production. However, these regions Developing the low-carbon value chain, pg 73
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