QUANTGROUP (02685) announced that the overall coordinator partially exercised the over-allotment option as described in the prospectus on Wednesday, December 24, 2025. This involved a total of 1.75 million shares, representing approximately 13.11% of the initial shares offered under the global offering before any over-allotment option was exercised. The over-allotment shares will be issued and allotted by the company at HK$9.80 per share. These shares will be used to facilitate the return of 1.75 million borrowed shares to Mars Legend Limited under the share borrowing agreement, which were utilized to cover over-allotments in the international offering.

In accordance with Section 9(2) of the Securities and Futures (Price Stabilization) Rules (Chapter 571W of Hong Kong Law), the company declared that the stabilization period for the global offering concluded on Wednesday, December 24, 2025—the 30th day after the deadline for submitting applications under the Hong Kong public offering.