2031 Shingkong Steel subsidiary acquires common shares of TSMC

Announcement Date: May 20, 115 Company Code: 2031 Company Name: Shingkong Steel Subject: Our company announces that our subsidiary, Xinyuan Investment Co., Ltd., has acquired common shares.

Details: 1. Security Name: TSMC common shares 2. Transaction Period: 114/5/21 - 115/5/20 3. Board Resolution Date: Not applicable 4. Other Authorization Date: Authorization Level: Chairman's approval May 20, 115 5. Quantity, Price per unit, and Total amount: Quantity: 189,000 shares Price per unit: 1,710.18 NTD Total amount: 323,223,643 NTD 6. Disposal Profit (or loss): Not applicable 7. Relationship with target company: None 8. Cumulative holdings to date (including this transaction): Balance: 131,000 shares Amount: 286,235,000 NTD Shareholding ratio: 0.0005%, Restrictions: None 9. Financial status: Ratio to total assets: 1.11% Ratio to equity attributable to owners of the parent: 2.71% Operating capital: 4,163,173,000 NTD 10. Purpose of acquisition: Investment portfolio. 11. Dissenting opinions from directors: Not applicable 12. Related party transaction: No 13. Relationship with counterparty: Not applicable 14. Supervisor/Audit Committee approval date: Not applicable (Authorized by Chairman) 15. Date of previous announcement: Not applicable 16. Other notes: None.