WinTek Corporation Announces Guarantee Disclosure under Article 25, Paragraph 1, Items 2, 3, and 4 of the Handling Rules for Loans and Endorsement Guarantees by Publicly Issued Companies

1. Event Date: 115/06/29

2. Endorsed and Guaranteed Party: (1) Company Name: Mao-Hsuan Enterprise Co., Ltd. (2) Relationship with the Guarantee Provider: A wholly-owned subsidiary (100% ownership) of our company (3) Guarantee Limit (in thousand NT$): 450,806,416 (4) Previous Guarantee Balance (in thousand NT$): 19,706,499 (5) Amount of New Guarantee This Time (in thousand NT$): 14,200,000 (6) Guarantee Balance as of Event Date (in thousand NT$): 33,906,499 (7) Actual Amount Drawn by the Guaranteed Company (in thousand NT$): 1,545,691 (8) Reason for the New Guarantee: Mao-Hsuan Enterprise Co., Ltd. applied for a syndicated loan facility of NT$14.2 billion from a consortium of banks, and our company provided the endorsement guarantee.

3. Collateral Provided by the Guaranteed Company: (1) Description: None (2) Value (in thousand NT$): 0

4. Latest Financial Statement of the Guaranteed Company: (1) Capital (in thousand NT$): 9,237,600 (2) Accumulated Profit/Loss (in thousand NT$): 7,486,354

5. Conditions for Release of Guarantee Liability: (1) Conditions: According to contractual terms (2) Date: According to contractual terms

6. Total Guarantee Limit (in thousand NT$): 450,806,416

7. Total Guarantee Balance as of Event Date (in thousand NT$): 41,966,243

8. Ratio of Guarantee Balance Provided by Our Company to the Net Equity in the Latest Financial Statement of the Publicly Issued Company as of Event Date: 37.24

9. Combined Ratio of Guarantee Balance, Long-Term Investment, and Loan Balance to the Net Equity in the Latest Financial Statement of the Publicly Issued Company as of Event Date: 65.01

10. Other Matters to be Disclosed: Exchange rate conversion uses 1 USD = 32 NT$.