Keith Meister, Eric Mandelblatt Step Down from Williams Companies (WMB) Board

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Page 12 of 12 – SEC Filing

SIGNATURES

After reasonable inquiry and to the best of its or his knowledge and belief, each of the undersigned certifies that the information set forth in this
statement is true, complete and correct.

Date: July 1, 2016 CORVEX MANAGEMENT LP
By:

/s/ Keith Meister

Keith Meister
Managing Partner
Date: July 1, 2016 KEITH MEISTER
By:

/s/ Keith Meister

Date: July 1, 2016 SOROBAN MASTER FUND LP
By:

/s/ Eric W. Mandelblatt

Eric W. Mandelblatt
Authorized Signatory of its Investment Manager
Date: July 1, 2016 SOROBAN CAPITAL GP LLC
By:

/s/ Eric W. Mandelblatt

Eric W. Mandelblatt
Managing Partner
Date: July 1, 2016 SOROBAN CAPITAL PARTNERS LP
By Soroban Capital Partners GP LLC, its general partner
By:

/s/ Eric W. Mandelblatt

Eric W. Mandelblatt
Managing Partner
Date: July 1, 2016 SOROBAN CAPITAL PARTNERS GP LLC
By:

/s/ Eric W. Mandelblatt

Eric W. Mandelblatt
Managing Partner
Date: July 1, 2016 ERIC W. MANDELBLATT
By:

/s/ Eric W. Mandelblatt

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