Exhibit 16.1
March 14, 2025
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Commissioners :
We have read the statements made by Magnachip Semiconductor Corporation (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Magnachip Semiconductor Corporation dated March 11, 2025. We agree with the statements concerning our Firm contained therein.
| Very truly yours, |
| /s/ Samil PricewaterhouseCoopers |
| Seoul, Republic of Korea |