Rex International Holding Limited - Annual Report 2025

ORGANISATIONAL PROFILE GRI 2-1, 2-6 Rex is a multinational oil exploration & production (“E&P”) company listed on the Singapore Exchange’s Mainboard. The Group holds stakes in exploration and production licences in Norway, Oman, Germany and Benin, and is the operator for the assets in Oman, Germany and Benin. The Group’s subsidiaries within the E&P segment include Masirah Oil Ltd (“MOL”) in Oman and Lime Petroleum Holding AS (“LPH”), which wholly owns indirect subsidiaries Lime Petroleum AS (“LPA”) in Norway, Lime Resources Germany GmbH (“LRG”) in Germany, where the acquisition was made in January 2025, and Akrake Petroleum Benin S.A.. Meanwhile, Rex's technology-based subsidiaries include Rex Technology Investments Pte. Ltd., which developed Rex Virtual Drilling (“RVD”), the Group’s proprietary liquid hydrocarbon detection technology; and Xer Tech Holding AB (“Xer”), which is in the business of commercial drones. Currently, the Group’s oil-producing fields include the Brage and Yme Fields in Norway, where LPA holds interests of 33.8434 per cent and 25 per cent respectively, the Yumna Field in Oman, which is 100 per cent held and operated by MOL, and the Schwarzbach and Lauben fields in Germany, in which LRG holds 100 per cent and 50 per cent interests respectively. Akrake is the operator and holds a 76 per cent interest* in the Sèmè Field in Benin, West Africa, which had not started production in 2025. For more details on the Group’s corporate structure and business activities, please refer to our Annual Report 2025 or the Company’s website www.rexih.com. REPORTING PRACTICE GRI 2-2, 2-3, 2-4, 2-5 This SR highlights the Group’s dedication to sustainable practices by presenting our governance structures, policies, performance indicators and objectives related to ESG criteria. It also addresses the effects of climate change on our operations. Furthermore, the report expands on the information shared in other sections of the Annual Report, offering deeper insights into the Group’s sustainability strategies and initiatives. Reporting Principles & Statement of Use This SR has been prepared with reference to the Global Reporting Initiative (“GRI”) Standards 2021, including GRI 11: Oil and Gas Sector 2021 Standards, covering FY2025. The GRI Standards are internationally recognised and widely adopted for their comprehensive coverage of economic, environmental, and social reporting topics. The GRI reporting principles of accuracy, balance, clarity, comparability, completeness, sustainability context, timeliness, and verifiability were applied to guide the Group in ensuring the quality and proper presentation of information in this SR. For a more detailed explanation of GRI disclosures, please refer to the GRI Content Index. Additionally, the United Nations Sustainable Development Goals (“UN SDGs”) highlight the Group’s contributions to sustainable growth. The report complies with Singapore Exchange Securities Trading Limited (“SGX-ST”) Listing Rules 711A and 711B. Per SGX Practice 7.6, a statement of compliance is not required for issuers to adopt S1 and S2. We have applied the relevant transition reliefs where appropriate, and * Subject to the Benin government’s entitlements under the Production Sharing Contract (PSC) Rex International Holding Limited 57

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