13G Filing: Vulcan Value Partners, LLC and Virtus Investment Partners Inc. (VRTS)

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C.T. Fitzpatrick,
Individually

/s/ W. Blevins
Naff POA for

C.T. Fitzpatrick

Joint Filing Agreement

In accordance with Rule 13d-1(k) under
the Securities Exchange Act of 1934, the persons or entities named below agree to the joint filing on behalf of each of them of
this Schedule 13G/A with respect to the Securities of the Issuer and further agree that this joint filing agreement be included
as an exhibit to this Schedule 13G/A. In evidence thereof, the undersigned hereby execute this Agreement as of October 10, 2017.

Vulcan Value Partners,
LLC

By : /s/
W. Blevins Naff

Name : W. Blevins
Naff

Title : Chief
Compliance Officer

C.T. Fitzpatrick,
Individually

/s/ W. Blevins
Naff POA for

C.T.
Fitzpatrick

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