1312 Kuo Chiao Announces Additional Endorsement Guarantees for Subsidiaries

Release Date: August 12, 2026 Statement Date: August 11, 2026 Statement Time: 17:13:12 Company Code: 1312 Company Name: Kuo Chiao Purpose: Announcement pursuant to Article 25, Paragraph 1, Item 1 of the Handling Rules for Loans and Endorsement Guarantees by Publicly Issued Companies Applicable Clause: Clause 22 Factual Date: August 11, 2026

Explanation: 1. Factual Date: 08/11/115 (August 11, 2026)

2. Endorsement Guarantee Balance Exceeding 50% of Net Assets in the Latest Financial Statements:

(1) Guaranteed Company Name: Quanzhou Guo Heng Chemical Co., Ltd. (2) Relationship with Guarantee Provider: Directly 100% owned subsidiary (3) Reason for Guarantee up to Factual Date: To meet operational needs, facilitating loan financing arrangements with financial institutions (4) Guarantee Limit (in thousand NTD): 29,339,326 (5) Previous Guarantee Balance (in thousand NTD): 11,195,400 (6) Guarantee Balance as of Factual Date (in thousand NTD): 13,131,000 (7) Actual Amount Drawn by Guaranteed Company (in thousand NTD): 10,454,124 (8) Newly Added Guarantee Amount (in thousand NTD): 1,935,600 (9) Reason for New Addition: To meet operational needs, facilitating loan financing arrangements with financial institutions

(1) Guaranteed Company Name: Guo Heng Development Co., Ltd. (2) Relationship with Guarantee Provider: Directly and indirectly 97.95% owned subsidiary (3) Reason for Guarantee up to Factual Date: Subsidiary issues letter of guarantee, endorsed by parent company (4) Guarantee Limit (in thousand NTD): 29,339,326 (5) Previous Guarantee Balance (in thousand NTD): 1,084,371 (6) Guarantee Balance as of Factual Date (in thousand NTD): 1,484,371 (7) Actual Amount Drawn by Guaranteed Company (in thousand NTD): 975,000 (8) Newly Added Guarantee Amount (in thousand NTD): 400,000 (9) Reason for New Addition: To meet operational needs, facilitating loan financing arrangements with financial institutions

(1) Guaranteed Company Name: Renkai Digital Media Marketing Co., Ltd. (2) Relationship with Guarantee Provider: Subsidiary of Weilai Television Network (Ltd.), which is directly and indirectly held 65.99% by the company (3) Reason for Guarantee up to Factual Date: To meet operational needs, facilitating loan financing arrangements with financial institutions (4) Guarantee Limit (in thousand NTD): 1,511,428 (5) Previous Guarantee Balance (in thousand NTD): 620,000 (6) Guarantee Balance as of Factual Date (in thousand NTD): 620,000 (7) Actual Amount Drawn by Guaranteed Company (in thousand NTD): 0 (8) Newly Added Guarantee Amount (in thousand NTD): 0 (9) Reason for New Addition: Not applicable

(1) Guaranteed Company Name: Zeway Yingyi Co., Ltd. (2) Relationship with Guarantee Provider: Subsidiary of Weilai Television Network (Ltd.), which is directly and indirectly 100% owned by the company (3) Reason for Guarantee up to Factual Date: To meet operational needs, facilitating loan financing arrangements with financial institutions (4) Guarantee Limit (in thousand NTD): 1,511,428 (5) Previous Guarantee Balance (in thousand NTD): 200,000 (6) Guarantee Balance as of Factual Date (in thousand NTD): 200,000 (7) Actual Amount Drawn by Guaranteed Company (in thousand NTD): 0 (8) Newly Added Guarantee Amount (in thousand NTD): 0 (9) Reason for New Addition: Not applicable

(1) Guaranteed Company Name: Fengwei Innovation Technology Co., Ltd. (2) Relationship with Guarantee Provider: Subsidiary of Weilai Television Network (Ltd.), which is directly and indirectly 100% owned by the company (3) Reason for Guarantee up to Factual Date: To meet operational needs, facilitating loan financing arrangements with financial institutions (4) Guarantee Limit (in thousand NTD): 1,511,428 (5) Previous Guarantee Balance (in thousand NTD): 100,000 (6) Guarantee Balance as of Factual Date (in thousand NTD): 100,000 (7) Actual Amount Drawn by Guaranteed Company (in thousand NTD): 5,000 (8) Newly Added Guarantee Amount (in thousand NTD): 0 (9) Reason for New Addition: Not applicable

2. Total Guarantee Limit (in thousand NTD): 29,339,326

3. Total Guarantee Balance as of Factual Date (in thousand NTD): 15,535,371

4. Ratio of Guarantee Balance to Net Assets in Latest Financial Statements: 52.95%

5. Other Disclosures: 1. Additional guarantee of USD $60 million for Quanzhou Guo Heng and additional guarantee of NTD $400 million for Guo Heng Development; 2. Reference exchange rate for USD: 32.26; Reference exchange rate for CNY: 4.764