Rex Board

John d'Abo, Executive Chairman; Member, Remuneration and Audit Committees

Mr John d'Abo, 55, was appointed as an Independent Non-Executive Director on 4 May 2022 and was re-elected to the Board on 28 April 2023. He was redesignated as Vice Chairman and Executive Director on 1 August 2023, and as Executive Chairman on
25 April 2024. He is also a board member of Xer Technologies Pte. Ltd., a subsidiary of the Group.

John d'Abo has over 30 years of executive experience in global investment banks and associated businesses mainly in Southeast Asia, advising listed companies on fund-raising in both equity and debt and corporate advisory, during which he established relationships with a wide array of companies and investors across multiple sectors.

His investment banking career of 23 years includes stints at Royal Bank of Canada Capital Markets (Hong Kong), Royal Bank of Scotland (Hong Kong), Credit Suisse (Hong Kong), CLSA Asia-Pacific Markets (Hong Kong and New York) and HSBC James Capel (London). He is the founder and current Director of Erland Advisors Ltd. Mr d'Abo holds a Bachelor of Arts with joint honours in French and Spanish from the University of Bristol, United Kingdom.

Pong Chen Yih, Lead Independent Non-Executive Director, Chairman, Nominating and Remuneration Committees, Member, Audit Committee

Mr Pong Chen Yih, 49, was appointed as an Independent Non-Executive Director on
1 August 2023 and re-elected to the Board and redesignated as Lead Independent Non-Executive Director on 25 April 2024. He is also an independent board member of Rex Technology Investments Pte. Ltd., and Xer Technologies Pte. Ltd., both of which are subsidiaries of the Group.

Mr Pong has over 20 years of experience handling complex legal and financial advisory work in relation to domestic and international corporate finance and capital markets transactions. He has successfully listed over 45 companies on the Singapore Exchange. He is a Director and the Chief Operating Officer of Novus Corporate Finance Pte. Ltd., an accredited issue manager for the Singapore Exchange Mainboard listings and a Full Sponsor for Catalist. He is presently an independent director of HRnetGroup Limited, and Grand Venture Technology Limited.

Mr Pong was previously the Head of the Singapore Domestic Capital Markets Group in Baker McKenzie and prior to that, a partner in the Equity Capital Markets Group in WongPartnership LLP. He regularly speaks at local and overseas conferences and seminars on topics such as capital raising and listing requirements.

Mr Pong holds a Bachelor of Laws (Honours) from the National University of Singapore.

Mae Heng, Independent Non-Executive Director, Chairperson, Audit Committee, Member, Remuneration and Nominating Committees

Ms Mae Heng, 54, was appointed as an Independent Non-Executive Director on 4 May 2022 and was re-elected to the Board on 25 April 2025. She is also an independent board member of Rex International Investments Pte. Ltd., a subsidiary of the Group.

Ms Heng has over 16 years of experience working at Ernst & Young Singapore. She is an Independent Non-Executive Director of Grand Venture Technology Limited, Chuan Hup Holdings Limited, HRnetGroup Limited, ISDN Holdings Limited and Progen Holdings Limited, and is the chairperson or a member of these companies’ various board committees. She is also Non-Independent Non-Executive Director of Ossia International Limited. Ms Heng holds directorships in her family-owned investment holding companies. She was a past board member of Novo Tellus Alpha Acquisition and Apex Healthcare Berhad.

Ms Heng holds a Bachelor of Accountancy from the Nanyang Technological University. She is a Fellow Chartered Accountant with the Institute of Singapore Chartered Accountants and an ASEAN Chartered Professional Accountant.

Dr Mathias Lidgren, Non-Independent Non-Executive Director; Member, Nominating Committee

Dr Mathias Lidgren, 43, was appointed as a Non-Independent Non-Executive Director on 4 May 2022 and was re-elected to the Board on 25 April 2025. He is also a board member of Masirah Oil Ltd, a subsidiary of the Group.

Dr Mathias Lidgren represents the interests of Limea Ltd., the controlling shareholder of the Company. He had been a practising medical doctor since 2013 and has worked for the National Health Service (NHS), United Kingdom, the Hôpitaux Universitaires de Genève, Geneva, Switzerland, and the Sahlgrenska University Hospital, Gothenburg, Sweden. Up until 1 June 2024, he had been practising at Skane University Hospitals in Lund, Sweden, and was also a postdoctoral researcher in the Division of Molecular Medicine and Gene Therapy, Department of Laboratory Medicine in Lund University, Sweden. Dr Lidgren currently holds directorships in Propatria AB, Rotationsplast i Munka-Ljungby AB, Caithness Fastighets AB, Forvaltningsaktiebolaget Maple, Trolleholms Slott AB, and Captiosus AB; companies in Sweden involved in a range of businesses including real estate, manufacturing and medicine. He is the Chief Medical Officer of Moroxite T AB.

Dr Lidgren holds a Doctor of Philosophy in Health Economics from the Karolinska Institutet, Sweden, a Master of Arts in Genetics, as well as a medical degree (MB BChir) from the University of Cambridge, United Kingdom and a Bachelor of Science in Business Administration (BSBA) from the International University of Monaco. His medical degree is recognised by the Commission des professions médicales, Switzerland and Socialstyrelsen, Sweden. He is licensed to practice medicine in the canton of Geneva, Switzerland and in Sweden. He is also a board-certified specialist in clinical genetics in Sweden.

Beverley Smith, Independent Non-Executive Director

Ms Beverley Smith, 59, was appointed as an Independent Non-Executive Director on
1 August 2023 and was re-elected to the Board on 25 April 2024. She is also an independent Board member of the following Group subsidiaries: Lime Petroleum AS, Masirah Oil Ltd and Rex Oman Ltd..

Ms Smith is a professional geologist with more than 30 years’ experience in the oil & gas industry. She currently holds positions as a Non-Executive Director and chairperson of the HSSE (Health, Safety, Security & Environment) sub-committee and a member of the Reserves, Compensation and Governance sub-committees for the AIM-listed and TSX-listed Touchstone Exploration Inc. Prior to these, Ms Smith was a Non-Executive Director of AIM-listed Hurricane Energy Plc and filled in as the interim Chief Executive Officer for three months. Ms Smith was also a 26-year career veteran with the BG Group Plc, where her last held position was Vice President of Exploration and Growth (Europe), after stints in BG Nigeria, BG Algeria and BG China.

She holds a Master of Science in Petroleum Geology from the University of London, United Kingdom (UK) and a Bachelor of Science in Geology (Honours) from the University of Exeter, UK. She is a Fellow, Chartered Geologist of the Geological Society of London, and served as President of the Petroleum Exploration Society of Great Britain (PESGB) (now known as the Geoscience Energy Society of Great Britain (GESGB)) from 2019 to 2022. She had also voluntarily served as a Director of POWERful Women, a professional initiative that seeks to advance the leadership and development of senior women across the UK’s energy sector, and as a Trustee of the Etches Collection, a unique and valuable collection of fossils from the Jurassic Sea. She was also Chair of the Board of Trustees of the non-government funded INPUT Diabetes Charity for five years.