| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lee Seunghoon | Chief of Manufacturing | C/O MAGNACHIP SEMICONDUCTOR, LTD.,, 108, YEOUI-DAERO, YEONGDEUNGPO-GU, SEOUL, KOREA, REPUBLIC OF | /s/ Shin Young Park | 02 Jan 2026 | 0002023210 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MX | Common Stock | Award | $0 | +30,750 | +29% | $0.000000 | 136,953 | 15 Aug 2025 | Direct | |
| transaction | MX | Common Stock | Award | $17,850 | +7,000 | +5.1% | $2.55 | 143,953 | 31 Dec 2025 | Direct | F1 |
| transaction | MX | Common Stock | Tax liability | $8,499 | -3,333 | -2.3% | $2.55 | 140,620 | 31 Dec 2025 | Direct | F2 |
| transaction | MX | Common Stock | Tax liability | $7,084 | -2,778 | -2% | $2.55 | 137,842 | 31 Dec 2025 | Direct | F3 |
| transaction | MX | Common Stock | Tax liability | $12,141 | -4,761 | -3.5% | $2.55 | 133,081 | 31 Dec 2025 | Direct | F4 |
| transaction | MX | Common Stock | Tax liability | $12,444 | -4,880 | -3.7% | $2.55 | 128,201 | 31 Dec 2025 | Direct | F5 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MX | Performance-Based Restricted Stock Units | Award | $0 | +15,375 | $0.000000 | 15,375 | 15 Aug 2025 | Common Stock | 15,375 | Direct | F6, F7 |
| Id | Content |
|---|---|
| F1 | This transaction reflects shares of common stock issued in connection with the vesting of financial performance-based restricted stock units granted on June 1, 2024. |
| F2 | This transaction represents the withholding by the Issuer of 3,333 shares of common stock to satisfy tax withholding obligations incurred by the Reporting Person upon the vesting of 7,000 shares of common stock originally awarded to the Reporting Person on June 1, 2024. |
| F3 | This transaction represents the withholding by the Issuer of 2,778 shares of common stock to satisfy tax withholding obligations incurred by the Reporting Person upon the vesting of 5,834 shares of common stock originally awarded to the Reporting Person on March 23, 2023. |
| F4 | This transaction represents the withholding by the Issuer of 4,761 shares of common stock to satisfy tax withholding obligations incurred by the Reporting Person upon the vesting of 10,000 shares of common stock originally awarded to the Reporting Person on June 1, 2024. |
| F5 | This transaction represents the withholding by the Issuer of 4,880 shares of common stock to satisfy tax withholding obligations incurred by the Reporting Person upon the vesting of 10,250 shares of common stock originally awarded to the Reporting Person on August 15, 2025. |
| F6 | Each Performance-Based Restricted Stock Units ("PRSUs") represents a contingent right to receive one share of Issuer's common stock. |
| F7 | Reflects a number of shares of Issuer common stock that the Reporting Person would receive upon vesting and settlement of the PRSUs at the target level of performance, provided that the actual number of PRSUs that would become eligible to vest range from 0% to 100% of the target number of PRSUs based on actual achievement. The PRSUs vest upon Issuer's common stock achieving a specified price per share. |
Chief of Manufacturing