13D Filing: Harvest Fund Advisors LLC and Semgroup Corp (SEMG)

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BLACKSTONE ADVISORY SERVICES L.L.C.
By: Blackstone Holdings I L.P., its Sole Member
By: Blackstone Holdings I/II GP Inc., its General Partner
By:

/s/ Kathleen Skero

Name: Kathleen Skero
Title: Senior Managing Director Chief Accounting Officer
BLACKSTONE HOLDINGS I L.P.
By: Blackstone Holdings I/II GP Inc., its General Partner
By:

/s/ Kathleen Skero

Name: Kathleen Skero
Title: Senior Managing Director Chief Accounting Officer
BLACKSTONE HOLDINGS I/II GP INC.
By:

/s/ Kathleen Skero

Name: Kathleen Skero
Title: Senior Managing Director Chief Accounting Officer
THE BLACKSTONE GROUP L.P.
By: Blackstone Group Management L.L.C., its General Partner
By:

/s/ Kathleen Skero

Name: Kathleen Skero
Title: Senior Managing Director Chief Accounting Officer
BLACKSTONE GROUP MANAGEMENT L.L.C.
By:

/s/ Kathleen Skero

Name: Kathleen Skero
Title: Senior Managing Director Chief Accounting Officer

/s/ Stephen A. Schwarzman

Stephen A. Schwarzman

[SemGroup Corporation Schedule 13D/A]

Follow Semgroup Corp (NYSE:SEMG)

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