POWER OF ATTORNEY
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       Known by all those present, that Robert J. Zatta hereby constitutes and
appoints each of William Farran, Joshua Horenstein, Charles Brodheim, and
Mark Feuerbach as his true and lawful attorneys-in-fact with respect
to Innophos Holdings, Inc. to:
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(1) execute for and on behalf of the undersigned, Forms 3, 4 and 5 in
accordance with 16(a) of the Securities Exchange Act of 1934, as amended,
and the rules thereunder;
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(2) do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such
Forms 3, 4, and 5, complete and execute any amendment or amendments thereto,
and timely file such forms with the United States Securities and
Exchange Commission and any stock exchange or similar authority; and
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(3) take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney-in-fact, may be
of benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power
of Attorney shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such attorney-in-fact?s
discretion.
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       The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise of
any of the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present, with
full power of substitution or revocation, hereby ratifying and confirming
all that such attorney-in-fact, or such attorney-in-fact?s designated
substitute or substitutes, shall lawfully do or cause to be done by virtue
of this Power of Attorney and the rights and powers herein granted.
The undersigned acknowledges that the foregoing attorneys-in-fact, in serving
in such capacity at the request of the undersigned, are not assuming
any of the undersigned?s responsibilities to comply with Section 16
of the Securities Exchange Act of 1934, as amended, and the rules thereunder.
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       This Power of Attorney shall remain in full force and effect until
revoked by the undersigned in a signed writing delivered to the each
foregoing attorney-in-fact.
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       IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 15th day of January, 2016.
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/s/ Robert Zatta
Signature
Name: Robert J. Zatta
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