Rex International Holding Limited, an investment holding company, operates as an oil exploration and production company. The company operates through Oil and Gas and Non-Oil and Gas segments. The Oil and Gas segment engages in the oil and gas exploration and production with concessions located in Oman, Norway, and Benin. The Non-Oil and Gas segment offers Rex Virtual Drilling technology that can extract information on the presence of reservoir rock and liquid hydrocarbons using conventional seismic data. It also owns offshore oil and gas assets in Germany and West Africa. Rex International Holding Limited was incorporated in 2013 and is headquartered in Singapore.