Shinih: Company Announces Compliance with Article 25, Paragraph 1, Subparagraph 4 of "Regulations Governing the Loaning of Funds and Endorsement/Guarantee by Public Companies"

1. Date of occurrence of the event: 115/05/08 (May 8, 2026) 2. Endorsed and guaranteed entity: (1) Company name: SHINIH HOLDING COMPANY LTD. (2) Relationship with the company providing endorsement/guarantee: 100% invested subsidiary of the company (3) Limit of endorsement/guarantee (NT$ thousands): 1,689,012 (4) Original endorsement/guarantee balance (NT$ thousands): 598,120 (5) Amount of new endorsement/guarantee (NT$ thousands): 94,440 (6) Endorsement/guarantee balance as of the date of occurrence (NT$ thousands): 692,560 (7) Actual amount utilized by the endorsed/guaranteed company (NT$ thousands): 0 (8) Reason for the new endorsement/guarantee: Renewal of subsidiary's bank credit line, approved by the company's board of directors for endorsement/guarantee. Due to the determination of announcement timing, the endorsement/guarantee periods overlap, reaching the announcement standard. (1) Company name: Dongguan Taixin Fiber Products Co., Ltd. (2) Relationship with the company providing endorsement/guarantee: 100% invested subsidiary of the company (3) Limit of endorsement/guarantee (NT$ thousands): 1,689,012 (4) Original endorsement/guarantee balance (NT$ thousands): 45,915 (5) Amount of new endorsement/guarantee (NT$ thousands): 45,915 (6) Endorsement/guarantee balance as of the date of occurrence (NT$ thousands): 91,830 (7) Actual amount utilized by the endorsed/guaranteed company (NT$ thousands): 9,183 (8) Reason for the new endorsement/guarantee: Renewal of subsidiary's bank credit line, approved by the company's board of directors for endorsement/guarantee. Due to the determination of announcement timing, the endorsement/guarantee periods overlap, reaching the announcement standard. (1) Company name: Taiwan Wu Yu Co., Ltd. (2) Relationship with the company providing endorsement/guarantee: 84.62% invested subsidiary of the company (3) Limit of endorsement/guarantee (NT$ thousands): 1,689,012 (4) Original endorsement/guarantee balance (NT$ thousands): 135,740 (5) Amount of new endorsement/guarantee (NT$ thousands): 35,740 (6) Endorsement/guarantee balance as of the date of occurrence (NT$ thousands): 171,480 (7) Actual amount utilized by the endorsed/guaranteed company (NT$ thousands): 10,000 (8) Reason for the new endorsement/guarantee: Renewal of subsidiary's bank credit line, approved by the company's board of directors for endorsement/guarantee. Due to the determination of announcement timing, the endorsement/guarantee periods overlap, reaching the announcement standard. 3. Collateral provided by the endorsed/guaranteed company: (1) Content: None (2) Value (NT$ thousands): 0 4. Latest financial statements of the endorsed/guaranteed company: (1) Capital (NT$ thousands): 626,088 (2) Accumulated profit/loss (NT$ thousands): 1,620,184 5. Conditions for releasing endorsement/guarantee liability: (1) Conditions: Expiration of credit agreement (2) Date: Expiration of credit agreement 6. Total limit of endorsement/guarantee (NT$ thousands): 3,378,024 7. Endorsement/guarantee balance as of the date of occurrence (NT$ thousands): 1,144,750 8. Ratio of endorsement/guarantee balance A to the public company's latest financial statement net worth as of the date of occurrence: 33.89 9. Ratio of the sum of endorsement/guarantee, long-term investments, and loan of funds balance to the public company's latest financial statement net worth as of the date of occurrence: 146.52 10. Other matters to be specified: 1. Calculated based on USD exchange rate of 31.48 and RMB exchange rate of 4.5915 on May 6, 2026 (R.O.C. calendar year 115); 2. SHINIH HOLDING COMPANY LTD. Capital $328,526 (NT$ thousands) Accumulated profit/loss $1,845,977 (NT$ thousands); Dongguan Taixin Fiber Products Co., Ltd. Capital $232,562 (NT$ thousands) Accumulated profit/loss -$213,466 (NT$ thousands); Taiwan Wu Yu Co., Ltd. Capital $65,000 (NT$ thousands) Accumulated profit/loss -$12,327 (NT$ thousands)