Hill International Inc. (HIL): James Mai’s Cornwall Capital Management Discloses Activist Stake

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SIGNATURES

After reasonable inquiry and to the best of each of the undersigneds knowledge and belief, each of the undersigned, severally and not jointly, certified
that the information set forth in this statement is true, complete and correct.

Dated: April 22, 2016

CORNWALL MASTER LP
By: Cornwall GP, LLC, its general partner
By:

/s/ James A. Mai

Name: James A. Mai
Title: Managing Member
CORNWALL CAPITAL MANAGEMENT LP
By: CMGP, LLC, its general partner
By:

/s/ James A. Mai

Name: James A. Mai
Title: Managing Member
CORNWALL GP, LLC
By:

/s/ James A. Mai

Name: James A. Mai
Title: Managing Member
CMGP, LLC
By:

/s/ James A. Mai

Name: James A. Mai
Title: Managing Member
JAMES A. MAI

/s/ James A. Mai

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