ONEOK Partners is engaged in the gathering, processing, storage and transportation of natural gas. Co. has three reportable business segments: Natural Gas Gathering and Processing, which provides nondiscretionary services to crude oil and natural gas producers that include the gathering and processing of natural gas produced from crude oil and natural gas wells; Natural Gas Liquids, which owns and operates facilities that gather, fractionate, treat and distribute natural gas liquid (NGLs) and store NGL products; and Natural Gas Pipelines, which provides transportation and storage services to end users through its wholly owned assets and its 50.0% ownership in Northern Border Pipeline. When considering the ONEOK Partners LP stock dividend history, we have taken known splits into account, such that the OKS dividend history is presented on a split-adjusted ("apples to apples") basis. ONEOK Partners LP dividend history is presented both in graphical/chart form, and as a OKS dividend history data table along the right-hand column.