Calfrac Well Services Ltd. (Calfrac) is a provider of oilfield services, including hydraulic fracturing, coiled tubing, cementing and other well stimulation services, in Canada, the United States, Russia, Mexico and Argentina. Calfrac operates in four business segments: the Canadian segment, the United States segment, the Company’s Russian segment and the Latin America segment. The Canadian segment is focused on the provision of fracturing and coiled tubing services. The United States segment provides pressure pumping services. The Russian segment is focused on the provision of fracturing and coiled tubing services in Western Siberia. The Latin America segment provides pressure pumping services from operating bases in central and northern Mexico and central Argentina.