Access Midstream Partners, L.P., formerly Chesapeake Midstream Partners, L.L.C. (Partnership), owns, operates, develops and acquires natural gas, natural gas liquids (NGLs) and oil gathering systems and other midstream energy assets. The Company is focused on natural gas and NGL gathering. The Company provides its midstream services to Chesapeake Energy Corporation (Chesapeake), Total E&P USA, Inc. (Total), Mitsui & Co. (Mitsui), Anadarko Petroleum Corporation (Anadarko), Statoil ASA (Statoil) and other producers under long-term, fixed-fee contracts. Effective September 09, 2014, The Williams Cos Inc (Williams) raised its interest to 50% from 23% by acquiring an additional 27% stake in Access Midstream Partners LP and Williams agreed to acquire the remaining 50% interest, which it did not already own, in Access Midstream Partners GP LLC.