SIGENERGY (06656) announced that the sponsor and overall coordinator, on its own behalf and for the international underwriters, has fully exercised the over-allotment option as described in the prospectus on May 13, 2026. This involves a total of 2.036 million H shares, representing approximately 15.0% of the total number of shares initially available for subscription under the global offering prior to the exercise of any over-allotment option. The over-allotment shares will be issued and allotted by the company at an H share price of HKD 324.20 per share. Furthermore, the stabilization period related to the global offering ended on May 13, 2026, which is the 30th day after the deadline for submitting applications under the Hong Kong public offering.