[Nan Ya] Announcement of Board of Directors' Approval for Q3 2026 Loan Amounts Exceeding 2% of Company's Net Worth

1. Date of Fact Occurrence: 2026/05/12 2. Recipient of Funds Loaned: (1) Company Name: Taiwan Plastic Industrial Co., Ltd. (2) Relationship with the company loaning funds: Corporate director of this company. (3) Loan Limit (in thousands NT$): 95,956,567 (4) Remaining Balance of Original Loan (in thousands NT$): 3,000,000 (5) Amount of New Loan (in thousands NT$): 4,500,000 (6) Is this a loan that the board authorized the chairman to disburse in installments or use cyclically for the same borrower? No. (7) Outstanding loan balance as of the date of fact occurrence (in thousands NT$): 7,500,000 (8) Reason for the new loan: Working capital. (1) Company Name: Taiwan Chemical Fiber Co., Ltd. (2) Relationship with the company loaning funds: Corporate director of this company. (3) Loan Limit (in thousands NT$): 95,956,567 (4) Remaining Balance of Original Loan (in thousands NT$): 3,000,000 (5) Amount of New Loan (in thousands NT$): 4,500,000 (6) Is this a loan that the board authorized the chairman to disburse in installments or use cyclically for the same borrower? No. (7) Outstanding loan balance as of the date of fact occurrence (in thousands NT$): 7,500,000 (8) Reason for the new loan: Working capital. (1) Company Name: Formosa Petrochemical Corp. (2) Relationship with the company loaning funds: Investee company accounted for using the equity method. (3) Loan Limit (in thousands NT$): 95,956,567 (4) Remaining Balance of Original Loan (in thousands NT$): 3,000,000 (5) Amount of New Loan (in thousands NT$): 4,500,000 (6) Is this a loan that the board authorized the chairman to disburse in installments or use cyclically for the same borrower? No. (7) Outstanding loan balance as of the date of fact occurrence (in thousands NT$): 7,500,000 (8) Reason for the new loan: Working capital. (1) Company Name: Formosa Heavy Industries Co., Ltd. (2) Relationship with the company loaning funds: Investee company accounted for using the equity method. (3) Loan Limit (in thousands NT$): 95,956,567 (4) Remaining Balance of Original Loan (in thousands NT$): 3,800,000 (5) Amount of New Loan (in thousands NT$): 5,700,000 (6) Is this a loan that the board authorized the chairman to disburse in installments or use cyclically for the same borrower? No. (7) Outstanding loan balance as of the date of fact occurrence (in thousands NT$): 9,500,000 (8) Reason for the new loan: Working capital. (1) Company Name: Formosa Construction Business Co., Ltd. (2) Relationship with the company loaning funds: Investee company accounted for using the equity method. (3) Loan Limit (in thousands NT$): 95,956,567 (4) Remaining Balance of Original Loan (in thousands NT$): 100,000 (5) Amount of New Loan (in thousands NT$): 150,000 (6) Is this a loan that the board authorized the chairman to disburse in installments or use cyclically for the same borrower? No. (7) Outstanding loan balance as of the date of fact occurrence (in thousands NT$): 250,000 (8) Reason for the new loan: Working capital. (1) Company Name: Nan Chung Petrochemical Industrial Co., Ltd. (2) Relationship with the company loaning funds: Subsidiary of this company. (3) Loan Limit (in thousands NT$): 95,956,567 (4) Remaining Balance of Original Loan (in thousands NT$): 300,000 (5) Amount of New Loan (in thousands NT$): 300,000 (6) Is this a loan that the board authorized the chairman to disburse in installments or use cyclically for the same borrower? No. (7) Outstanding loan balance as of the date of fact occurrence (in thousands NT$): 600,000 (8) Reason for the new loan: Working capital. (1) Company Name: Taiwan Bicheng Co., Ltd. (2) Relationship with the company loaning funds: Subsidiary of this company. (3) Loan Limit (in thousands NT$): 38,382,626 (4) Remaining Balance of Original Loan (in thousands NT$): 2,500,000 (5) Amount of New Loan (in thousands NT$): 2,500,000 (6) Is this a loan that the board authorized the chairman to disburse in installments or use cyclically for the same borrower? Yes. (7) Outstanding loan balance as of the date of fact occurrence (in thousands NT$): 5,000,000 (8) Reason for the new loan: Working capital. 3. Collateral provided by the recipient of funds: (1) Content: None. (2) Value (in thousands NT$): 0. 4. The recipient company's latest financial statements: (1) Capital (in thousands NT$): 243,923,640. (2) Accumulated Profit/Loss (in thousands NT$): 161,779,032. 5. Interest calculation method: Daily interest calculation. 6. Repayment: (1) Terms: Loan term is 1 year, borrower may repay at any time. (2) Date: Not specified. 7. Outstanding loan balance as of the date of fact occurrence (in thousands NT$): 55,466,485. 8. Ratio of outstanding loan balance as of the date of fact occurrence to the net worth in the latest financial statements of public companies: 14.45%. 9. Source of funds loaned by the company: Other. 10. Other matters to be explained: 1. Source of funds: Company's own funds. 2. The current fund lending is only for the amount approved by the Board of Directors, and has not yet been disbursed. The revolving credit line of NT$2.5 billion lent to Taiwan Bicheng can be utilized from July 1, 2026, to December 31, 2026. 3. Latest financial statements of recipient companies: (1) Formosa Plastics: 63,657,408 (thousands NT$) (2) Formosa Chemicals: 58,611,863 (thousands NT$) (3) Formosa Petrochemical: 95,259,597 (thousands NT$) (4) Formosa Heavy Industries: 20,094,77 (thousands NT$). Keywords: Material Information