China Unicom (Hong Kong) Limited (the Company) announced that Mr. Cao Xingxin, has been appointed as a Senior Vice President of the Company with effect from 8 March 2023. Mr. Cao Xingxin, aged 56, a postgraduate with a master's degree in Literature. Mr. Cao served as Deputy Director General of the Bureau of Officials of the CPC Central Committee and State Organs of the Organization Department of the CPC Central Committee (COD), Bureau-level official and Deputy Director of the Office of Civil Servants Administration of COD, Deputy Director General and Bureau-level official at level 1 of the (Third) Bureau of Civil Servants of COD, Deputy Head (Bureau Chief level) of the National Institute for Party Leadership of COD.

Mr. Cao is currently Vice General Manager of China United Network Communications Group Company Limited, Senior Vice President of China United Network Communications Limited as well as Director and Senior Vice President of China United Network Communications Corporation Limited. Mr. Cao has extensive experience in management.