POWER OF ATTORNEY
For Executing Forms 3, 4 and
5
KNOW ALL BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints each of Michael Valente and Scott Depta, or either of
them, each acting alone, his or her true and lawful attorney-in-fact
to:
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(1)
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execute for and on behalf of the undersigned a Form 3,
Form 4 or Form 5, or any amendment thereto, relating to the securities of Versum
Materials, Inc. (the Company), in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;
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(2)
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execute forms 144 with respect to the sale of equity
securities of the Company in accordance with Rule 144(h) promulgated under the
Securities Act of 1933;
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(3)
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do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete the execution of
such Form 3, Form 4 or Form 5 or other report or Form 144, or any amendment
thereto, and the timely filing of such form with the United States Securities
and Exchange Commission and any stock exchange or other authority;
and
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(4)
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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 his or her 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 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, nor is the Company assuming, any of the
undersigned’s responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.
This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file Forms 3, 4, and 5
with respect to the undersigned's holdings of and transactions in securities
issued by the Company, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as of this 15th day of September,
2016.
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By:
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/s/ George G. Bitto
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George G. Bitto
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