X0306 4 2014-07-01 1 0001483096 ACCESS MIDSTREAM PARTNERS LP ACMP 0001552830 Global Infrastructure Investors II, LLC 12 E. 49TH STREET NEW YORK NY 10017 0 0 1 0 0001552829 Global Infrastructure GP II, L.P. 12E. 49TH STREET NEW YORK NY 10017 0 0 1 0 0001552816 GIP II Eagle Holdings Partnership, L.P. 12E. 49TH STREET NEW YORK NY 10017 0 0 1 0 0001552815 GIP II Eagle Acquisition Holdings GP, LLC 12E. 49TH STREET NEW YORK NY 10017 0 0 1 0 0001552824 GIP II Eagle 2 Holding, L.P. 12E. 49TH STREET NEW YORK NY 10017 0 0 1 0 0001564938 GIP II Hawk Holdings Partnership GP, L.L.C. 12E. 49TH STREET NEW YORK NY 10017 1 0 1 0 0001564937 GIP II Hawk Holdings Partnership, L.P. 12E. 49TH STREET NEW YORK NY 10017 1 0 1 0 0001564941 GIP II Hawk 2 Holding, L.P. 12E. 49TH STREET NEW YORK NY 10017 1 0 1 0 Common Units 2014-07-01 4 S 0 48742361 65.36 D 0 I See footnotes Convertible Class B Units 2014-07-01 4 S 0 6340022 65.36 D Common Units 6340022 0 I See footnotes Prior to the transactions reported herein, GIP II Eagle Holdings Partnership, L.P. ("Eagle Holdings"), GIP II Hawk Holdings Partnership, L.P. ("Hawk Holdings"), GIP II Eagle 2 Holding, L.P. ("Eagle 2") and GIP II Hawk 2 Holding, L.P. ("Hawk 2"). were the record holders of 42,429,970, 5,335,317, 712,757 and 264,317 Common Units, respectively. The Convertible Class B Units will be convertible into Common Units on a one-for-one basis at the election of either the holder or the Issuer from the business day after the record date for the distribution on Common Units for the fiscal quarter ending December 31, 2014, and other circumstances as noted in the Amended and Restated Limited Partnership Agreement of the Issuer, as amended. Prior to the transactions reported herein, Hawk Holdings and GIP Hawk 2 were the record holders of 6,040,758 and 299,264 Convertible Class B Units, respectively. Global Infrastructure Investors II, LLC is the sole general partner of Global Infrastructure GP II, L.P. ("Global GP"). Global GP is: (i) the managing member of GIP II Eagle Acquisition Holdings GP, LLC, which is the general partner of Eagle Holdings; (ii) the managing member of GIP II Hawk Holdings Partnership GP, LLC, which is the general partner of Hawk Holdings; (iii) the general partner of the managing member of the general partner of Eagle 2; and (iv) the general partner of the managing member of the general partner of Hawk 2. Each of the reporting persons expressly disclaims beneficial ownership of the Common Units and Convertible Class B Units reported herein except to the extent of its pecuniary interest therein. GLOBAL INFRASTRUCTURE INVESTORS II, LLC, by: /s/ Mark Levitt, Secretary 2014-07-01 GLOBAL INFRASTRUCTURE GP II, L.P., by: Global Infrastructure Investors II, LLC, its general partner, by: /s/ Mark Levitt, Secretary 2014-07-01 GIP II EAGLE HOLDINGS PARTNERSHIP, L.P. by: GIP II Eagle Acquisition Holdings GP, LLC, its general partner, by: /s/ Mark Levitt, Officer 2014-07-01 GIP II EAGLE ACQUISITION HOLDINGS GP, LLC, by: /s/ Mark Levitt, Officer 2014-07-01 GIP II EAGLE 2 HOLDING, L.P, by: GIP II Eagle 2 Holding GP, LLC, by: GIP II-B Eagle AIV 1, L.P., by: Global Infrastructure GP II, L.P., by: Global Infrastructure Investors II, LLC, by: /s/ Mark Levitt, Secretary 2014-07-01 GIP II HAWK HOLDINGS PARTNERSHIP GP, LLC, by: /s/ Mark Levitt, Authorized Signatory 2014-07-01 GIP II HAWK HOLDINGS PARTNERSHIP, L.P., by: GIP II Hawk Holdings Partnership GP, LLC, its general partner, by: /s/ Mark Levitt, Authorized Signatory 2014-07-01 GIP II HAWK 2 HOLDING, L.P., by GIP II Eagle 2 Holding GP, LLC, by GIP II-B Eagle AIV 1, L.P., by Global Infrastructure GP II, L.P., by Global Infrastructure Investors II, LLC, by /s/ Mark Levitt, Authorized Representative 2014-07-01