TSMC Plans to Sell 8.1% Stake in GlobalWafers

Report Date: 2026/05/16 Announcement Date: 2026/05/15 Announcement Time: 15:15:47 Company Code: 2330 Company Name: TSMC Subject: TSMC plans to sell 8.1% stake in GlobalWafers Compliance Clause: Clause 51 Date of Event: 2026/05/15 Explanation: 1. Date of Event: 2026/05/15 2. Company Name: Taiwan Semiconductor Manufacturing Company, Limited 3. Relationship with Company (Enter 'Parent Company' or 'Subsidiary'): Parent Company 4. Proportion of Cross-Shareholding: Not applicable 5. Reason for Occurrence: Not applicable 6. Countermeasures: Not applicable 7. Other Matters to be Noted (If the entity initiating the event or resolution is a public offering company or above, this major information also meets the criteria of Article 7, Paragraph 9 of the Enforcement Rules of the Securities Transaction Act regarding matters that have a significant impact on shareholder equity or security prices): TSMC announced today (May 15) its plan to sell ordinary shares of GlobalWafers Co., Ltd. The number of shares to be sold will not exceed 152 million, representing approximately 8.1% of GlobalWafers' outstanding share capital. TSMC plans to execute this sale through block trades, with financial investment institutions as the intended buyers.

This share sale plan will not affect the strategic cooperation relationship between TSMC and GlobalWafers, including the commissioning of GlobalWafers for silicon interposer production and the licensing of Gallium Nitride (GaN) process technology from the company. This share sale plan is part of TSMC's strategy to focus resources on its core business. As of June 2024, TSMC no longer holds a board seat in GlobalWafers.

On a fully diluted basis, TSMC currently holds approximately 27.1% of GlobalWafers' shares. After this sale, TSMC's expected shareholding in GlobalWafers will decrease to approximately 19%. TSMC has no plans for further divestment of its shares in the company in the foreseeable future.