Announcement of the ex-dividend record date in 2022

Company code: 6285

No: 2

Subject: Announcement of the ex-dividend record date in 2022

To which item it meets: article 4 paragraph 14

Date of events: 2022/06/27

Contents:

• Date of the resolution by the board of directors or shareholders meeting or decision by the Company:2022/06/27
• Type of ex-rights or ex-dividend (please enter: “Ex-rights”, “Exdividend”, or ”Ex-rights and dividend”): Ex-dividend
• Type and monetary amount of dividend distribution: Cash dividend: NT$2,100.10488 of cash dividend per 1,000 shares; NT$832,551,094 allocated for cash dividends in total
• Ex-rights (ex-dividend) trading date: 2022/07/13
• Last date before book closure: 2022/07/14
• Book closure starting date: 2022/07/15
• Book closure ending date: 2022/07/19
• Ex-rights (ex-dividend) record date: 2022/07/19
• Any other matters that need to be specified: Cash dividend