On May 24, 2024, ChipMOS TECHNOLOGIES INC. made a public announcement on the Market Observation Post System in Taiwan (?MOPS?) that Ms. Hui-Fen Chan, the Company?s independent director, has applied for her resignation as the Company?s independent director, the member of the Company?s audit committee, and the member of the Company?s nomination committee for personal reason. The original terms of those positions were from July 12, 2021 to July 11, 2024 for the independent director position, July 12, 2021 to July 11, 2024 for the audit committee member, and November 2, 2023 to July 11, 2024 for the nomination committee member, respectively. As required to be announced on the MOPS, the turnover rate of the same-term directors was one out of nine and one out of five for the same-term independent directors.

The Company received the resignation letter from Ms. Hui-Fen Chan on May 24, 2024. The resignation of these positions mentioned above will be effective on May 25, 2024. The Company has four other independent directors, which will continue to execute relevant duties.

As the term of the current independent directors is about to expire, the Company has already scheduled to hold the re-election of all directors at its Annual Shareholder?s Meeting on May 30, 2024. The operation of the Company?s board of directors, audit committee, and nomination committee will not be affected.