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EX-31.3 - EX-31.3 - KMG CHEMICALS INCkmg-ex313_86.htm
10-K/A - 10-K/A - KMG CHEMICALS INCkmg-10ka_20180731.htm

Exhibit 31.4

CERTIFICATE

I, Marvin T. Green III, certify that:

1.

I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of KMG Chemicals, Inc.; and

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

 

Date: November 14, 2018

 

/s/ Marvin T. Green III

 

 

Marvin T. Green III

 

 

Chief Financial Officer