Nihon Seiki-KY: Announcement of Correction to the Company's Fund Lending Details Table from October 2025 to February 2026

1. Date of Occurrence of the Fact: 2026/04/09 2. Company Name: Nihon Seiki Holdings Co., Ltd. 3. Relationship with the Company (Please enter 'the Company' or 'a subsidiary'): The Company 4. Mutual Shareholding Ratio: Not applicable 5. Reason for Occurrence: Correction of the Company's fund lending details table information from October 2025 to February 2026 6. Corrected Information Item/Report Name: Fund Lending Details Table 7. Amount/Content/Page Before Correction: Fund lending details table from October 2025 to February 2026 was not reported. 8. Amount/Content/Page After Correction: Supplementary announcement of the corrected fund lending ledger for October 2025 is as follows: Company lending funds: Regal Precious Metal Innovation Co., Ltd. Borrower: Regal Jewelry Manufacture Co, Ltd. Shareholding ratio: 0%; Is it a related party: Yes; Transaction item: Accounts receivable from related parties Highest cumulative balance up to this month: THB 10,000 thousand Increase (decrease) amount for individual subsidiary this month: Short-term financing, THB 10,000 thousand Ending balance: 0; Actual utilized amount (utilization): THB 10,000 thousand Interest rate range: 3.35%; Nature of fund lending: Short-term financing Reason for necessity of short-term financing: Working capital turnover; Collateral: None Fund lending limit for individual counterparty and total fund lending limit: NT$284,941 thousand

Supplementary announcement of the corrected fund lending ledger for November to December 2025 is as follows: Increase (decrease) amount for individual subsidiary this month: Short-term financing: 0

Supplementary announcement of the corrected fund lending ledger for January to February 2026 is as follows: Fund lending limit for individual counterparty and total fund lending limit: NT$310,320 thousand 9. Countermeasures: Re-upload the corrected information to the Market Observation Post System and strengthen supervision and auditing of overseas subsidiaries to ensure timely information disclosure. 10. Other Matters to Be Stated: This fund lending case has not changed since October 2025, when the grandchild company lent THB 10,000 thousand to the subsidiary. Except for the individual counterparty and total fund lending limits in 2025, which differed due to calculation based on announced financial report figures, all other aspects remained unchanged.