Power of Attorney
Know all by these presents, that the undersigned hereby
constitutes and appoints Roger Jackson, General Counsel of KMG
Chemicals, Inc. (the "Company"), the undersigned's true and
lawful attorney-in-fact to:
(1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer of the Company, Forms
3, 4 and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934, as amended, and the rules
thereunder;
(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 Form 3, 4 or 5 and timely file such
form with the United States Securities and Exchange
Commission and any stock exchange or similar authority; and
(3)	take any other action or 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.
The undersigned hereby grants to each 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 attorney-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
transaction 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 the 24th day of June, 2016.


/s/ Marcelino Rodriguez
Marcelino Rodriguez
Power of Attorney, Rodriguez.docx