Taiwan Mask Corporation announced the List of Directors Elected To 2022 Annual Shareholders Meeting. Date of occurrence of the change:2022/05/26. Elected or changed position: independent director.

Title and name of the previous position holder: NA. Resume of the previous position holder: NA . Title and name of the new position holder: Hui-Fen Chan.

Resume of the new position holder: Independent director, ITEQ Corporation independent director, Stark Technology Inc.Independent Director, Formosa I Wind Power Co. Ltd. RAKU CO., LTD. Taiwan Branch (Cayman Islans) director of Institutional Representative independent director, IMOS-ChipMOS Technologies Inc. Circumstances of change: new appointment. Reason for the change: resignation of original director by-election.

Effective date of the new appointment: 2022/05/26.