Congratulations to Shanghai Top Numerical Control Technology Co., Ltd.（7688.HK） on its Successful Listing

Congratulations to Shanghai Top Numerical Control Technology Co., Ltd.（7688.HK） on its successful Listing on the Mainboard of HKSE on 20 May 2026.

Shanghai Top Numerical Control Technology Co., Ltd. （the “TOPNC”）is an enterprise specializing in the R&D, design, production and sales of high-end intelligent manufacturing equipment in China, mainly including five-axis computerised numerical control ("CNC") machine tools. TOPNC focus on developing five-axis CNC machine tools to address the demand for advanced manufacturing in China's aviation and aerospace sector.

With regard to this listing application, AVISTA Group is honored to be engaged in providing valuation services on expected credit loss of the Financial Assets.

Congratulations again Shanghai Top Numerical Control Technology Co., Ltd.（7688.HK） on its successful listing. The issue price of the shares is HKD 26.39 per share, and the amount of funds raised is HKD 1.724 billion.