Exhibit 31.3
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TO
SECTION 302 OF THE
SARBANES-OXLEY ACT OF 2002
I, Young-Joon Kim, certify that:
| 1. | I have reviewed this annual report on Form 10-K/A of MagnaChip Semiconductor Corporation for the year ended December 31, 2015; |
| 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. |
Dated: April 29, 2016
/s/ Young-Joon Kim |
| Young-Joon Kim |
| Chief Executive Officer |
| (Principal Executive Officer) |
