[SuperAlloy] Correction of the March 2026 Endorsement and Guarantee Information Disclosure Table

1. Date of occurrence: April 27, 2026. 2. Company name: SuperAlloy Industrial Co., Ltd. 3. Relationship with the company: The company itself. 4. Reciprocal shareholding ratio: Not applicable. 5. Reason for occurrence: Correction of the endorsement and guarantee disclosure table for March 2026. 6. Corrected information item/report name: Endorsement and guarantee disclosure for March 2026. 7. Pre-correction amount/content: Target company: SuperAlloy Manufaktur GmbH; Maximum balance: 506,892k TWD; Ending balance: 506,892k TWD; Actual amount used: 204,925k TWD; Ratio to net worth: 5.80%. 8. Post-correction amount/content: Target company: SuperAlloy Manufaktur GmbH; Maximum balance: 351,327k TWD; Ending balance: 351,327k TWD; Actual amount used: 193,076k TWD; Ratio to net worth: 4.02%. 9. Countermeasures: Re-upload corrected content to the MOPS. 10. Other matters: None.