CH FRONTIER TEC (01661): Ren Song appointed as the authorized representative, chairman of the remuneration committee, and chairman of the nomination committee.

CH FRONTIER TEC (01661) announced that Mr. Wong Man Keung has stepped down as an executive director, as well as Co-Chairman of the board, one of the authorized representatives under Rule 3.05 of the Listing Rules of The Stock Exchange of Hong Kong Limited, Chairman of the Remuneration Committee and Chairman of the Nomination Committee; Ms. Wong Kit has also stepped down as an executive director. Ms. Yan Song has been appointed as one of the authorized representatives under Rule 3.05 of the Listing Rules, Chairman of the Remuneration Committee and Chairman of the Nomination Committee with effect from September 19, 2025.