Tai-G (4934) Announces Reduction of Shareholding in Subsidiary 'Shengxin Material' by Over 10%

Announcement Date: May 22, 115 (Republic of China) Company Name: Tai-G (4934) Subject: Announcement regarding the cumulative reduction of shareholding in subsidiary 'Shengxin Material Technology Co., Ltd.' by over 10%.

1. Name of significant subsidiary: Shengxin Material Technology Co., Ltd. 2. Cause: Reduction in shareholding percentage. 3. Method of reduction (per event): (1) Date: March 3, 114 (Capital increase base date) Reason: Renouncement of participation in the subsidiary's cash capital increase. Method: Subsidiary's issuance of new shares. Change in shareholding: From 47.656% to 42.285%. Shares renounced: 393,380 shares. Issue price: NT$ 25 per share. Total value of renouncement: NT$ 9,834,500.

(2) Date: May 22, 115 (Company shareholders' meeting) Reason: Renouncement of participation in the subsidiary's cash capital increase. Method: Subsidiary's issuance of new shares. Change in shareholding: From 42.285% to 37.650%. Shares renounced: 3,325,830 shares. Issue price: NT$ 35 per share. Total value of renouncement: NT$ 116,404,050.

4. Loss of control: Not applicable. Control remains intact. 5. Transferees: Strategic or financial investors beneficial to the subsidiary's operations. 6. Relationship with transferees: None. 7. Gain/Loss on disposal: Not applicable. 8. Cumulative reduction percentage: 10.006%. 9. Current shareholding: 37.650%. 10. Expert opinion: Accountant Dai Mei-juan considers the pricing reasonable and sees no adverse impact on shareholders' equity. 11. Resolutions: Unanimously approved by the Audit Committee and the Board of Directors.