【KMC】Board of Directors' Resolution to Distribute Q1 2026 Cash Dividend

1. Date of Board of Directors' resolution: 2026/05/13 2. Dividend's fiscal year (quarter): 2026 Q1 3. Dividend's period: From 2026/01/01 to 2026/03/31 4. Content of shareholder distribution: (1) Cash dividend from earnings (NTD/share): 1.07462833 (2) Cash distributed from legal reserve (NTD/share): 0 (3) Cash distributed from capital reserve (NTD/share): 0 (4) Total cash dividend distributed to shareholders (NTD): 135,404,000 (5) Stock dividend from earnings capitalization (NTD/share): 0 (6) Stock dividend from legal reserve capitalization (NTD/share): 0 (7) Stock dividend from capital reserve capitalization (NTD/share): 0 (8) Total number of shares distributed to shareholders (shares): 0 5. Other matters that should be specified: None 6. Par value per common share: NTD 10.0000