Zheng Zuoxin has been appointed as an executive director, company secretary, group finance director and authorized representative of Hong Kong Stock Exchange GEM Securities Listing Rule 5.24 and the Company's Articles of Association (Hong Kong Chapter 622) section 16, effective from July 29, 2024, according to the announcement from Ocean Star Tech (08297).

Zhao Zhiqiao has resigned as an executive director, company secretary, finance director, authorized representative and compliance officer of the company, effective from July 29, 2024 to put more time on other matters.