Exhibit 31.3
CERTIFICATE
I, Christopher T. Fraser, 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/ Christopher T. Fraser |
|
| Christopher T. Fraser |
|
| President and Chief Executive Officer |