SIA Engineering Company Limited announced the retirement of Mrs. Christina Ong as a Non-Executive, Independent Director and member of the Audit Committee with effect from 1 January 2023. Mrs. Ong will step down as Chairman of the Nominating Committee and the Board Sustainability Committee on the same date. Mr. Tang Kin Fei, who is Chairman of the Board, a Non-Executive, Independent Director of the Company and a member of the Nominating Committee, will succeed Mrs. Ong as Chairman of the Nominating Committee with effect from 1 January 2023.

Mr. Lim Kong Puay, who is a Non-Executive, Independent Director of the Company and a member of the Board Sustainability Committee, will be appointed as Chairman of the Board Sustainability Committee on the same date. With the above changes, the composition of the Board and Board Committees in SIAEC with effect from 1 January 2023 will be as follows: Board Composition: Tang Kin Fei - Chairman, Non-Executive and Independent; Goh Choon Phong - Non-Executive and Non-Independent Director; Raj Thampuran - Non-Executive and Independent Director; Wee Siew Kim - Non-Executive and Independent Director; Mak Swee Wah - Non-Executive and Non-Independent Director; Chin Yau Seng - Non-Executive and Non-Independent Director; Chua Bin Hwee - Non-Executive and Independent Director; Lim Kong Puay - Non-Executive and Independent Director; Chong Chuan Neo - Non-Executive and Independent Director; Tan Tze Gay - Non-Executive and Independent Director; Ng Chin Hwee - Chief Executive Officer and Non-Independent Director. Board Committee: Composition: Audit Committee: Chua Bin Hwee (Chairman); Raj Thampuran; Chin Yau Seng; Lim Kong Puay; Chong Chuan Neo; Tan Tze Gay.

Board Safety & Risk Committee: Lim Kong Puay (Chairman); Wee Siew Kim; Raj Thampuran; Mak Swee Wah; Chin Yau Seng. Nominating Committee: Tang Kin Fei (Chairman); Mak Swee Wah; Chong Chuan Neo. Compensation & HR Committee: Tang Kin Fei (Chairman); Goh Choon Phong; Wee Siew Kim.

Executive Committee: Tang Kin Fei (Chairman); Goh Choon Phong; Ng Chin Hwee; Chua Bin Hwee. Technology Advisory Committee: Raj Thampuran (Chairman); Chong Chuan Neo; Ng Chin Hwee. Board Sustainability Committee: Lim Kong Puay (Chairman); Chua Bin Hwee; Tan Tze Gay; Ng Chin Hwee.

The Board and Management of the Company record their deepest appreciation to Mrs. Ong, who has served as a Director since 1 January 2014, Chairman of the Nominating Committee since 21 July 2016 and Chairman of the Board Sustainability Committee since 19 April 2022, for her invaluable guidance and significant contributions during her tenure.