Atlas Energy Group, through its interest in Atlas Resource Partners, L.P. (ARP), is a developer and producer of natural gas, crude oil and natural gas liquids. Co.'s assets include: a partnership that conducts natural gas and oil operations in the mid-continent region of the U.S; an interest in Lightfoot Capital Partners, L.P. and Lightfoot Capital Partners GP, LLC, its general partner, which incubate new MLPs and invest in existing MLPs; and direct natural gas development and production assets in the Arkoma Basin. As of Dec 31 2014, ARP's estimated proved reserves were 1,429.00 billion cubic feet equivalent, of which about 77.0% were proved developed and about 71.0% were natural gas. When considering the Atlas Energy Group LLC stock dividend history, we have taken known splits into account, such that the ATLS dividend history is presented on a split-adjusted ("apples to apples") basis. Atlas Energy Group LLC dividend history is presented both in graphical/chart form, and as a ATLS dividend history data table along the right-hand column.