Reference is made to the announcement of China Unicom (Hong Kong) Limited (the Company) dated 14 November 2019 (the Announcement) in relation to the open recruitment of partners by the Guangxi branch (China Unicom Guangxi) of China United Network Communications Corporation Limited, a wholly-owned subsidiary of the Company. Unless otherwise specified, capitalized terms used in this announcement shall have the same meanings as those defined in the Announcement. On 19 May 2020, China Unicom Guangxi entered into the Agreement in relation to Comprehensive Reform Cooperation by the Guangxi branch of China United Network Communications Corporation Limited (the Cooperation Agreement(s)) with the open recruited Consortium-partners, Beijing Telecom Engineering Bureau Co., Ltd. (Beijing Telecom Engineering Bureau, one of the Consortium-partners) and Huakong Zhongrui Holding Investment Management Co.

Ltd. (Huakong Investment, one of the Consortium-partners), and Partner, Anhui Sinonet & Xinlong Science & Technology Co., Ltd. (Anhui Sinonet) respectively. According to the above two Cooperation Agreements, (1) China Unicom Guangxi and the Consortium-partners, Beijing Telecom Engineering Bureau and Huakong Investment, will carry out cooperation in relation to investment in access network assets and innovative businesses, and delegated operation in 3 city branch companies including Liuzhou etc. in Guangxi.

The first cooperation period will end on 31 December 2030. (2) China Unicom Guangxi and Partner, Anhui Sinonet, will carry out cooperation in relation to investment in access network assets and innovative businesses, and delegated operation in 4 city branch companies including Guigang etc. in Guangxi.

The first cooperation period will end on 31 December 2030.