Access Midstream Partners Boosts Distribution from $0.405 to $0.42

Access Midstream Partners, L.P.

, formerly Chesapeake Midstream Partners, L.P., today announced that the Board of Directors of its general partner declared a cash distribution of $0.42 per limited partner unit for the 2012 second quarter. The second quarter distribution represents an increase of $0.0575, or 15.9%, compared to the 2011 second quarter and represents an increase of $0.015, or 3.7%, compared to the 2012 first quarter. The distribution will be payable on August 14, 2012 to all unitholders of record at the close of business on August 7, 2012, together with the distribution to the general partner. This release is intended to be a qualified notice under Treasury Regulation