Pembina Pipeline has four operating segments: conventional pipelines business, which is a tariff-based operation consisting of pipelines and related facilities that deliver crude oil and natural gas liquids; oil sands and heavy oil business, which consists of the Syncrude Pipeline, the Cheecham Lateral and the Horizon Pipeline; midstream and marketing business, which consists of Co.'s direct and indirect interest in a storage operation, its direct interest in terminals, storage and hub services under a mixture of short, medium and long-term contractual arrangements; and gas services business which consists of natural gas gathering and processing facilities.