The board of directors (the “Board”) of China Unicom (Hong Kong) Limited (the “Company”) is pleased to disclose the operational statistics of the Company and its subsidiaries (collectively the “Group”) for the month of May 2016.

Operational statistics for the month of May 2016 are as follows:

MOBILE BUSINESS:

Aggregate Number of Mobile Billing Subscribers 260.117 million

Net Addition of Mobile Billing Subscribers 0.579 million

Of which:

Aggregate Number of 4G Subscribers 68.182 million

Net Addition of 4G Subscribers 4.503 million

FIXED-LINE BUSINESS:

Aggregate Number of Fixed-Line Broadband Subscribers 73.689 million

Net Addition of Fixed-Line Broadband Subscribers 0.167 million

Aggregate Number of Local Access Subscribers 71.017 million

Net Addition of Local Access Subscribers (0.535) million

Caution Statement

The Board wishes to remind investors that the above operational statistics for the month of May 2016 are based on the Group's internal records. Investors are cautioned not to unduly rely on such statistics. In the meantime, investors are advised to exercise caution in dealing in the shares of the Company.