Co-Tech Development Corporation announced change to the Financial Officer and Corporate Governance Officer. Name, title, and resume of the previous position holder: financial officer: YEH, SHEUE-JEN/Manager substitute corporate governance officer: YEH, SHEUE-JEN/Manager substitute. Name, title, and resume of the new position holder: financial officer: YEH, SHEUE-JEN/Manager corporate governance officer: YEH, SHEUE-JEN/Manager. Effective date: 2021/07/20.