On January 9, 2019 (the Resignation Date), effective immediately, Tae Jong Lee resigned as the Executive Vice President and General Manager of the Foundry Services Group of MagnaChip Semiconductor Corporation and from all other positions with the Company and its subsidiaries. Effective January 9, 2019, Young-Joon Kim, Chief Executive Officer of the Company, will serve as acting General Manager of the Foundry Services Group of the Company.