China Unicom Hong Kong : Proposed Change of Auditors

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CHINA UNICOM (HONG KONG) LIMITED 中國聯合網絡通信(香港)股份有限公司

(incorporated in Hong Kong with limited liability)

(Stock Code: 0762)

PROPOSED CHANGE OF AUDITORS

This announcement is made by China Unicom (Hong Kong) Limited (the "Company") pursuant to Rule 13.51(4) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

As the Company is an indirect subsidiary of China United Network Communications Group Company Limited, which is a state-owned enterprise under the supervision of the State-owned Assets Supervision and Administration Commission of the State Council ("SASAC"). Pursuant to the relevant regulations issued by the Ministry of Finance of the People's Republic of China and SASAC, there are restrictions in respect of the years of audit services that an accounting firm can continuously provide to a state-owned enterprise and its subsidiaries. Considering the relevant regulations, the board of directors (the "Board") of the Company announces that KPMG and KPMG Huazhen LLP (together as "KPMG") will retire as auditors of the Company and its subsidiaries (the "Group") upon expiration of their current term of office at the close of the forthcoming annual general meeting of the Company (the "AGM"). The Board, as recommended by the audit committee of the Company, has resolved to propose to the shareholders of the Company at the AGM to approve the appointment of Deloitte Touche Tohmatsu and Deloitte Touche Tohmatsu Certified Public Accountants LLP as the auditors of the Group for Hong Kong financial reporting and U.S. financial reporting purposes, respectively, for the year ending 31 December 2021.

KPMG confirmed in writing that there were no matters in relation to the proposed change of auditors that need to be brought to the attention of the shareholders of the Company. The Board has also confirmed that there were no disagreement or outstanding matters between KPMG and the Company and there were no other matters in relation to the proposed change of auditors that need to be brought to the attention of the shareholders of the Company.

The proposed change of auditors is subject to shareholders' approval at the AGM. A circular containing, among other things, the proposed change of auditors, together with the notice of AGM will be despatched to the shareholders of the Company as soon as possible.

The Board would like to take this opportunity to express its sincere gratitude to KPMG for their quality services rendered to the Group during the past years.

By Order of the Board

CHINA UNICOM (HONG KONG) LIMITED

YUNG SHUN LOY JACKY

Company Secretary

Hong Kong, 11 March 2021

As at the date of this announcement, the board of directors of the Company comprises:

Executive Directors:

Wang Xiaochu, Chen Zhongyue, Li Fushen, Zhu Kebing and Fan Yunjun

Independent Non-executive Directors:

Cheung Wing Lam Linus, Wong Wai Ming, Chung Shui Ming Timpson and

Law Fan Chiu Fun Fanny