To announce the Board of Directors’ resolution of the related matters of 2023 ex-rights and dividend.

1. Date of the resolution by the board of directors orshareholders’ meeting, or of the decision by the company:2023/07/20
2. Type (ex-rights or ex-dividend) (please write ”Ex-rights”, ”Ex-dividend”, or ”Ex-rights and dividend”):Ex-rights and dividend.
3. Type and monetary amount of dividend distribution:
   (1)Cash dividend of NT$127,000,000, with distribution of NT$0.2 per share.
   (2)Distribution of 180 shares per 1,000 shares, new shares of NT$1,143,000,000 are issued from surplus profit.
4. Ex-rights (Ex-dividend) date:2023/08/07
5. Last date before book closure:2023/08/08
6. Book closure starting date:2023/08/09
7. Book closure ending date:2023/08/13
8. Ex-rights (Ex-dividend) record date:2023/08/13
9. Payment date of cash dividend distribution:2023/09/08
10. Any other matters that need to be specified:
    (1)For the free-fratis dividends distribution notice, Shareholders may apply to the stock transfer agent of the Company for combination of fractional shares within five days from the book closure date of ex-rights. If no combination is made or if the number of shares remains fractional following combination, the allotment will be made in the form of cash based on par value in a dollar amount instead (rounded down to dollar), and the Chairman is authorized to arrange the subscription by specific person or persons. After follow-on offering, the total common shares is 749,300,000 shares and the total paid-up capital is NT$7,493,000,000.
    (2)The payment date of cash dividend distribution is supposed to be on September 8th, 2023, and the OTC listing date of common stock on September 8th, 2023.
    (3)When it’s necessary to adjust the above details, The Chairman is fully authorized to handle issuance price, issuance conditions, raised funds, and other relevant items, in response to instructions from the competent authority, evaluation of operational strategies, or factors in the industry environment.
    (4)Rights and obligations of these newly issued shares are the same as issued common shares.