TOPNC (07688) has issued an announcement stating that the overall coordinator (for itself and on behalf of the international underwriters) has fully exercised the over-allotment option as described in the prospectus on June 14, 2026.

This exercise involves a total of 9,799,500 H shares, representing approximately 15% of the total number of shares initially available for subscription under the global offering before any exercise of the over-allotment option.

The over-allotment shares will be issued and allotted by the company at a price of HKD 26.39 per H share, which is the offer price per H share under the global offering, excluding a 1.0% brokerage commission, 0.0027% SFC transaction levy, 0.00015% FSTB transaction levy, and 0.00565% SEHK trading fee.

The Listing Committee of The Stock Exchange of Hong Kong Limited has granted approval for the listing of, and permission to deal in, the over-allotment shares.

It is expected that the over-allotment shares will commence trading on the Main Board of the Stock Exchange at 9:00 a.m. on June 17, 2026.

In accordance with Rule 9(2) of the Securities and Futures (Price Stabilization) Rules (Cap. 571W), the company announces that the stabilization period in relation to the global offering ended on June 14, 2026 (Sunday), being the 30th day after the deadline for submitting the Hong Kong public offer application.

The stabilizing actions taken by the stabilizing agent, Guotai Junan Securities (Hong Kong) Limited, or any of its affiliates or any person acting for it, during the stabilization period are set out as follows.

First, an over-allocation of a total of 9,799,500 H shares was made in the international offering, representing approximately 15.0% of the total number of shares initially available for subscription under the global offering before any exercise of the over-allotment option.

Second, the overall coordinator (for itself and on behalf of the international underwriters) fully exercised the over-allotment option on June 14, 2026 (Sunday) at a price of HKD 26.39 per H share, which is the offer price per H share under the global offering, excluding a 1.0% brokerage commission, 0.0027% SFC transaction levy, 0.00015% FSTB transaction levy, and 0.00565% SEHK trading fee.

This exercise involved a total of 9,799,500 H shares, representing approximately 15% of the total number of shares initially available for subscription under the global offering before any exercise of the over-allotment option, to facilitate the delivery of certain H shares to placees who have agreed to defer delivery of their respective H shares subscribed under the global offering.

Third, the stabilizing agent did not purchase or sell any H shares in the market for the purpose of stabilization during the stabilization period.