China Oilfield Services Investor Relations Material

China Oilfield Services Limited (COSL) is a provider of offshore oilfield services, operating in Mainland China and internationally. The company's business is segmented into four main areas: Drilling Services, which includes oilfield drilling services; Oil Field Technical Services, offering logging, drilling fluids, and directional drilling services; Geophysical and Engineering Exploration Services, providing seismic prospecting and engineering exploration; and Marine Support Services, which involves the transportation of supplies, including crude oil and refined oil and gas products. The company is headquartered in Langfang, China, and its shares are listed on the Hong Kong Stock Exchange.