Congratulations to Shanghai Xizhi Technology Co., Ltd.（1879.HK） on its Successful Listing

Congratulations to Shanghai Xizhi Technology Co., Ltd.（1879.HK） on its successful Listing on the Mainboard of HKSE on 28 Apr 2026.

Shanghai Xizhi Technology Co., Ltd. （the “Xizhi”） is dedicated to the field of optoelectronic computing, an innovative paradigm that combines the advantages of photonics and electronics. Xizhi has built a product and solution portfolio centered on optical interconnect and optical computing, powered by our proprietary optoelectronic chip technologies, delivering scalable and cost-effective solutions.

With regard to this listing application, AVISTA Group is honored to be engaged in providing valuation services on financial instruments, long-term equity investments and long-term asset impairment test.

Congratulations again Shanghai Xizhi Technology Co., Ltd.（1879.HK） on its successful listing. The issue price of the shares is HKD 183.2 per share, and the amount of funds raised is HKD 2.5273 billion.