X0306 4 2015-02-02 0 0001483096 WILLIAMS PARTNERS L.P. WPZ 0001497306 STICE J MICHAEL ONE WILLIAMS CENTER TULSA OK 74172 1 0 0 0 Common Units 2015-02-02 5 J 0 E 8326 A 143664 D On February 2, 2015, pursuant to an Agreement and Plan of Merger dated as of October 24, 2014 by and among Access Midstream Partners, L.P. (the "Partnership"), Access Midstream Partners GP, L.L.C., (the "General Partner") VHMS LLC, Williams Partners L.P. ("Legacy WPZ") and Williams Partners GP LLC, (the "Merger Agreement"), the General Partner caused the Partnership to effect a subdivision, on February 2, 2015, of each ACMP Common Unit into 1.06152 ACMP Common Units prior to the Merger Exchange (the "Common Unit Split"). The amount in this column gives effect to the Common Unit Split. All of such transactions are exempt from reporting under Rule 16a-9 of the Securities Exchange Act of 1934. Amy C. Cleveland, Attorney-in-Fact for J. Michael Stice 2015-02-09