13G Filing: Iridian Asset Management and SemGroup Corp (SEMG)

Item 10.

Certification

By  signing  below the  undersigned  certifies  that,  to the best of its or his knowledge  and belief,  the  securities  referred to above were acquired and are held in the  ordinary  course of business and were not acquired and are not held for the  purpose of and do not have the effect of changing  or  influencing  the control of the issuer of the  securities  and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect.

SIGNATURE

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

Date:   April 17, 2017

IRIDIAN ASSET MANAGEMENT LLC

By:

/s/ Jeffrey M. Elliott

_________________________

      Jeffrey M. Elliott

Title:

   Executive Vice President

David L. Cohen

By:

/s/ Jeffrey M. Elliott

_________________________

      Jeffrey M. Elliott

Title:

   Agent

Harold J. Levy

By:

/s/ Jeffrey M. Elliott

__________________________

      Jeffrey M. Elliott

Title:

   Agent