X0306 4 2014-07-01 0 0001483096 ACCESS MIDSTREAM PARTNERS LP ACMP 0001308543 Purgason Robert S 525 CENTRAL PARK DRIVE OKLAHOMA CITY OK 73105 1 1 0 0 COO Common Units 2014-07-01 4 M 0 3813 0.00 A 23716 D Common Units 2014-07-01 4 M 0 1250 0.00 A 24966 D Common Units 2014-07-01 4 M 0 1284 0.00 A 26250 D Common Units 2014-07-01 4 M 0 1094 0.00 A 27344 D Common Units 2014-07-01 4 M 0 4743 0.00 A 32087 D Common Units 2014-07-01 4 M 0 1630 0.00 A 33717 D Common Units 2014-07-01 4 F 0 5805 64.21 D 27912 D Phantom Units 2014-07-01 4 M 0 3813 0.00 D Common Units 3813 0 D Phantom Units 2014-07-01 4 M 0 1250 0.00 D Common Units 1250 0 D Phantom Units 2014-07-01 4 M 0 1284 0.00 D Common Units 1284 0 D Phantom Units 2014-07-01 4 M 0 1094 0.00 D Common Units 1094 0 D Phantom Units 2014-07-01 4 M 0 4743 0.00 D Common Units 4743 0 D Phantom Units 2014-07-01 4 M 0 1630 0.00 D Common Units 1630 0 D Each phantom unit represents one notational common unit of the Partnership, and upon vesting entitled the holder to receive on common unit. All outstanding unvested phantom units became fully vested and converted into common units upon the acquisition by The Williams Companies, Inc. of ownership and control of the General Partner of the Issuer that occurred on July 1, 2014. Regina Gregory for Robert S. Purgason 2014-07-03