~~Table~~UNITED ofSTATES ~~Contents~~

~~UNITED~~SECURITIES ~~STATES~~AND EXCHANGE COMMISSION

~~SECURITIES~~Washington, ~~AND~~D.C. ~~EXCHANGE~~20549 ~~COMMISSION~~

~~Washington,~~FORM ~~D.C.~~6-K ~~20549~~

~~FORM~~Report ~~6-K~~of Foreign Private Issuer

~~Report~~Pursuant ~~of Foreign~~to ~~Private~~Rule ~~Issuer~~13a-16 or 15d-16 of

~~Pursuant~~the toSecurities ~~Rule~~Exchange ~~13a-16~~Act ~~or 15d-16~~ of 1934

For the ~~Securities~~Month ~~Exchange Act~~ of ~~1934~~May 2021

~~For~~Commission ~~the~~File ~~Month~~Number of1-15028 ~~May 2021~~

~~Commission~~China ~~File~~Unicom ~~Number~~(Hong ~~1-15028~~Kong) Limited

~~China~~(Exact ~~Unicom~~Name ~~(Hong~~of ~~Kong)~~Registrant ~~Limited~~as Specified in Its Charter)

~~(Exact~~75/F, ~~Name~~The Center, ~~of Registrant as Specified in Its Charter)~~

~~75/F,~~99 ~~The Center~~Queen’s Road Central, Hong Kong

99(Address ~~Queen’s~~of ~~Road~~principal ~~Central,~~executive ~~Hong~~offices) ~~Kong~~

~~(Address~~Indicate by check mark whether the registrant files or will file annual reports under cover of ~~principal~~Form 20-F ~~executive~~or ~~offices)~~Form 40-F.

~~Indicate by check mark whether the registrant files or will file annual reports under cover of~~ Form 20-F or X Form 40-F.

~~Form~~Indicate by check mark if ~~20-F ☒~~ the registrant is submitting the Form 6-K 40on paper as permitted by Regulation S-~~F ☐~~T Rule 101(b)(1): .

Indicate by check mark if the registrant is submitting the Form 6-K on paper as permitted by Regulation S-T Rule 101(b)(17): ☐ .

~~Indicate~~EXHIBITS ~~by check mark if the registrant is submitting the Form 6-K on paper as permitted by Regulation S-T Rule 101(b)(7): ☐.~~

~~Table~~ExhibitNumber 1 Announcement dated May 20, 2021 in respect of ~~Contents~~Operational Statistics for April 2021.

~~EXHIBITS~~FORWARD-LOOKING STATEMENTS

~~ExhibitNumber~~This 1announcement ~~Announcement~~contains ~~dated~~certain ~~May~~forward-looking 13statements within the meaning of Section 27A of the Securities Act of 1933, ~~2021~~as inamended, ~~respect~~and Section 21E of ~~Poll~~the ~~Results~~Securities Exchange Act of ~~Annual~~1934, ~~General~~as ~~Meeting~~amended. Such forward-looking statements may include, without limitation, statements relating to (i) the Company’s plans and ~~Payment~~strategies and the ability to successfully execute these plans and strategies, including those in connection with mergers and acquisitions and capital expenditures; (ii) the Company’s plans for network expansion, including those in connection with the build-out of mobile services and network infrastructure; (iii) the ~~Final~~Company’s ~~Dividend~~competitive position, including the ability to upgrade and expand existing networks and increase network efficiency, to improve existing services and offer new services, to develop new technological applications and to leverage the Company’s position as an integrated telecommunications operator and expand into new services and markets; (iv) the Company’s future business condition, including future financial results, cash flows, financing plans and dividends; (v) the future growth of market demand of, and opportunities for, the Company’s new and existing products and services; and (vi) future regulatory and other developments in the PRC telecommunications industry.

~~FORWARD~~The words “anticipate”, “believe”, “could”, “estimate”, “intend”, “may”, “seek”, “will” and similar expressions, as they relate to the Company, are intended to identify certain of these forward-~~LOOKING~~looking statements. ~~STATEMENTS~~The Company does not intend to update any of these forward-looking statements and are under no obligation to do so.

~~This~~The ~~announcement contains certain~~ forward-looking statements ~~within~~contained ~~the~~in ~~meaning~~this ofannouncement ~~Section 27A~~are, ofby ~~the~~their ~~Securities~~nature, ~~Act~~subject ofto ~~1933,~~significant asrisks ~~amended,~~ and ~~Section 21E~~ ofuncertainties. ~~the~~In ~~Securities Exchange Act of 1934~~addition, asthese ~~amended. Such~~ forward-looking statements ~~may~~reflect ~~include, without limitation, statements relating to (i)~~ the Company’s ~~plans~~current ~~and~~views ~~strategies~~with ~~and~~respect ~~the ability~~ to ~~successfully~~future ~~execute these~~events ~~plans~~ and ~~strategies,~~are ~~including~~not ~~those in connection with mergers and acquisitions and capital expenditures; (ii) the Company’s plans for network expansion, including those in connection with the~~a ~~build-out~~guarantee of ~~mobile services and network infrastructure; (iii)~~ the Company’s ~~competitive~~future ~~position,~~performance. ~~including~~Actual ~~the~~results ~~ability~~may todiffer ~~upgrade~~materially ~~and~~from ~~expand~~those ~~existing~~expressed ~~networks~~or ~~and~~implied ~~increase~~in ~~network efficiency, to improve existing services and offer new services, to develop new technological applications and to leverage~~ the ~~Company’s~~forward-looking ~~position~~statements as ana ~~integrated~~result ~~telecommunications~~of ~~operator~~a ~~and~~number ~~expand~~of ~~into new services and markets; (iv) the Company’s future business condition~~factors, including ~~future financial results~~, ~~cash~~without ~~flows,~~limitation: financing plans and dividends; (v) the future growth of market demand of, and opportunities for, the Company’s new and existing products and services; and (vi) future regulatory and other developments in the PRC telecommunications industry.

~~The~~• ~~words “anticipate”, “believe”, “could”, “estimate”, “intend”, “may”, “seek”, “will” and similar expressions, as they relate to~~ the Company,’s ~~are~~ability ~~intended~~ to ~~identify~~effectively ~~certain~~sustain ofits ~~these~~growth ~~forward-looking statements. The Company does not intend to update any of these forward-looking statements~~ and ~~are under no obligation~~ to doachieve ~~so.~~or enhance profitability;

~~The~~• ~~forward-looking statements~~changes ~~contained~~ in ~~this~~the ~~announcement~~regulatory ~~are,~~regime byand ~~their~~policies ~~nature,~~for ~~subject~~the toPRC ~~significant~~telecommunications ~~risks~~industry, ~~and~~including ~~uncertainties.~~without ~~In addition~~limitation, ~~these~~changes ~~forward-looking~~in ~~statements reflect~~ the ~~Company’s~~regulatory ~~current views with respect to future events~~ and ~~are~~tariff ~~not~~policies ~~a guarantee~~ of the ~~Company’s~~State ~~future~~Council ~~performance.~~of ~~Actual~~the ~~results~~PRC, ~~may~~the ~~differ~~Ministry ~~materially~~of ~~from~~Industry ~~those~~and ~~expressed~~Information orTechnology, ~~implied in~~ the ~~forward~~State-~~looking~~owned ~~statements~~Assets asSupervision aand ~~result~~Administration ofCommission, aand ~~number~~other ofrelevant ~~factors,~~government ~~including,~~authorities ~~without~~of ~~limitation:~~the PRC;

• changes in the ~~Company’s~~PRC ~~ability~~telecommunications toindustry ~~effectively~~resulting ~~sustain~~from ~~its~~the ~~growth~~issuance ~~and~~of tolicenses ~~achieve~~for ortelecommunications ~~enhance~~services ~~profitability~~by the central government of the PRC;

• changes in ~~the~~telecommunications ~~regulatory regime~~ and ~~policies~~related ~~for~~technologies including the ~~PRC~~fifth ~~telecommunications~~generation ~~industry~~mobile telecommunications, ~~including~~or ~~without limitation~~5G, ~~changes in the regulatory~~ and ~~tariff~~future ~~policies~~generations of ~~the~~mobile ~~State Council of the PRC~~technologies, ~~the~~and ~~Ministry~~applications ofbased ~~Industry~~on ~~and~~such ~~Information Technology~~technologies, ~~the~~including ~~State-owned~~testing ~~Assets Supervision~~ and ~~Administration~~monetization ~~Commission,~~of 5G and ~~other~~future ~~relevant~~generations ~~government authorities~~ of ~~the~~mobile ~~PRC~~technologies;

~~Table~~• the level of ~~Contents~~demand for telecommunications services, in particular, the fourth generation mobile telecommunications and 5G services;

• ~~changes~~competitive inforces from more liberalized markets and the ~~PRC~~Company’s ~~telecommunications~~ability ~~industry~~to ~~resulting~~retain ~~from~~market share in the ~~issuance~~face of ~~licenses~~competition ~~for~~from existing telecommunications ~~services~~companies byand ~~the~~potential ~~central~~new ~~government~~market ~~of the PRC~~entrants;

• ~~changes~~effects inof ~~telecommunications~~restructuring and ~~related~~integration ~~technologies~~(if ~~including~~any) in the ~~fifth~~PRC ~~generation mobile~~ telecommunications, orindustry ~~5G,~~ and ~~future~~any ~~generations~~cooperation ofamong ~~mobile~~the ~~technologies,~~PRC ~~and~~telecommunications ~~applications based on such technologies, including testing and monetization of 5G and future generations of mobile technologies~~operators;

• the ~~level~~availability, ofterms ~~demand~~and ~~for~~deployment ~~telecommunications~~of ~~services,~~capital inand ~~particular,~~ the ~~fourth~~impact ~~generation~~of ~~mobile~~regulatory ~~telecommunications~~ and 5Gcompetitive ~~services~~developments on capital outlays;

• ~~competitive~~the ~~forces~~potential ~~from~~impact ~~more~~of ~~liberalized~~restrictions, ~~markets~~sanctions ~~and~~or ~~the~~other ~~Company’s~~legal ~~ability~~or toregulatory ~~retain~~actions ~~market~~under ~~share~~relevant inlaws ~~the~~and ~~face~~regulations ofin ~~competition~~various ~~from~~jurisdictions ~~existing~~on ~~telecommunications~~the ~~companies~~Company, ~~and~~its ~~potential~~suppliers ~~new~~and ~~market~~other ~~entrants~~business partners;

• ~~effects~~changes ofin ~~restructuring~~the ~~and~~assumptions ~~integration~~upon ~~(if~~which ~~any) in~~ the ~~PRC~~Company ~~telecommunications~~has ~~industry~~prepared ~~and~~its ~~any~~projected ~~cooperation~~financial ~~among~~information ~~the~~and ~~PRC~~capital ~~telecommunications~~expenditure ~~operators~~plans;

• ~~the~~costs ~~availability, terms~~ and ~~deployment~~benefits offrom ~~capital and~~ the ~~impact~~Company’s ofinvestment ~~regulatory~~in and ~~competitive~~arrangements ~~developments~~with onChina ~~capital~~Tower ~~outlays~~Corporation Limited;

• ~~the potential~~ impact of ~~restrictions,~~the ~~sanctions~~COVID-19 orpandemic, ~~other~~a ~~legal~~disease orcaused ~~regulatory~~by ~~actions~~a ~~under~~novel ~~relevant~~strain ~~laws~~of ~~and~~coronavirus ~~regulations~~known inas ~~various~~SARS-CoV-2, ~~jurisdictions~~ on the ~~Company~~global economy, ~~its~~the ~~suppliers~~PRC economy and ~~other~~the ~~business~~Company’s ~~partners~~operations and financial performance;

• ~~changes~~impact inof Executive Order 13959 signed by the ~~assumptions~~then ~~upon~~President ~~which~~of the ~~Company~~United ~~has~~States ~~prepared~~and ~~its~~any ~~projected~~rules ~~financial~~or ~~information~~regulations ~~and~~adopted, ~~capital~~guidance ~~expenditure~~issued ~~plans~~or actions taken by U.S. regulators to implement or comply with Executive Order 13959, including the ongoing delisting proceedings of our ADSs;

• ~~costs~~the ~~and~~impact ~~benefits~~of ~~from~~ the ~~Company’s~~Holding ~~investment~~Foreign inCompanies Accountable Act and ~~arrangements~~any ~~with~~rules ~~China~~or ~~Tower~~regulations ~~Corporation~~adopted ~~Limited~~by U.S. regulators to implement such legislation;

• ~~impact~~results ofand ~~the~~effects ~~COVID-19~~of ~~pandemic,~~any ainvestigation ~~disease caused~~ by athe ~~novel~~relevant ~~strain~~PRC ofregulatory ~~coronavirus~~authorities ~~known~~overseeing ~~as SARS~~State-~~CoV-2,~~owned onenterprises ~~the~~and ~~global~~their ~~economy~~directors, ~~the~~officers ~~PRC economy~~ and ~~the~~employees; ~~Company’s operations~~ and ~~financial performance;~~

• ~~impact~~changes ofin ~~Executive~~the ~~Order~~political, ~~13959~~economic, ~~signed~~legal, bytax ~~the~~and ~~then~~social ~~President~~conditions ofin China, including the ~~United~~PRC ~~States~~Government’s policies and ~~any~~initiatives ~~rules~~with orrespect ~~regulations~~to ~~adopted~~foreign exchange policies, ~~guidance~~foreign ~~issued~~investment oractivities ~~actions~~and ~~taken~~policies, entry by ~~U.S.~~foreign ~~regulators~~companies tointo ~~implement~~the orChinese ~~comply~~telecommunications ~~with~~market ~~Executive~~and ~~Order~~structural ~~13959,~~changes ~~including~~in the ~~ongoing~~PRC ~~delisting~~telecommunications ~~proceedings of our ADSs;~~industry.

•Please also see the ~~impact~~“Risk Factors” section of the ~~Holding~~Company’s ~~Foreign~~latest ~~Companies~~Annual ~~Accountable~~Report ~~Act~~on ~~and~~Form ~~any~~20-F, ~~rules~~as orfiled ~~regulations~~with ~~adopted~~the by U.S. ~~regulators~~Securities toand ~~implement~~Exchange ~~such~~Commission. ~~legislation;~~

•SIGNATURES ~~results and effects of any investigation by the relevant PRC regulatory authorities overseeing State-owned enterprises and their directors, officers and employees; and~~

~~Table~~Pursuant to the requirements of ~~Contents~~the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

• changes in the political, economic, legal, tax and social conditions in China, including the PRC Government’s policies and initiatives with respect to foreign exchange policies, foreign investment activities and policies, entry by foreign companies into the Chinese telecommunications market and structural changes in the PRC telecommunications industry.


	CHINA UNICOM (HONG KONG) LIMITED (Registrant)

Date: May 21, 2021
		By:	/s/ Yung Shun Loy Jacky
		Name:	Yung Shun Loy Jacky
		Title:	Company Secretary

~~Please~~Exhibit ~~also~~1 ~~see the “Risk Factors” section of the Company’s latest Annual Report on Form 20-F, as filed with the U.S. Securities and Exchange Commission.~~

~~Table~~Hong Kong Exchanges and Clearing Limited and The Stock Exchange of ~~Contents~~Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

LOGO

~~SIGNATURES~~CHINA UNICOM (HONG KONG) LIMTED

~~Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by~~中國聯合網絡通信(香港)股份有限公司 ~~the~~ ~~undersigned, thereunto duly authorized.~~

	CHINA UNICOM (HONG KONG) LIMITED (Registrant)
Date: May 14, 2021
		By:	/s/ Yung Shun Loy Jacky
		Name:	Yung Shun Loy Jacky
		Title:	Company Secretary

(Incorporated in Hong Kong with limited liability)

~~Table~~(Stock ofCode: ~~Contents~~0762)

~~Exhibit~~Operational Statistics 1for April 2021

~~Hong~~The ~~Kong~~board ~~Exchanges~~of ~~and~~directors ~~Clearing~~(the ~~Limited~~“Board”) ~~and~~of ~~The~~China ~~Stock~~Unicom ~~Exchange of~~ (Hong Kong) Limited ~~take~~(the no“Company”) ~~responsibility~~discloses ~~for~~ the operational ~~contents~~statistics of ~~this~~the ~~announcement,~~Company ~~make~~and ~~no representation as to~~ its ~~accuracy~~subsidiaries or(collectively ~~completeness~~the ~~and~~“Group”) ~~expressly disclaim any liability whatsoever~~ for ~~any loss howsoever arising from or in reliance upon~~ the ~~whole~~month ~~or any part~~ of ~~the~~April ~~contents of this announcement~~2021.

~~CHINA~~Operational ~~UNICOM~~statistics ~~(HONG~~for the ~~KONG)~~month ~~LIMITED~~of April 2021 were as follows:

中國聯合網絡通信(香港)股份有限公司


		April 2021
MOBILE BUSINESS:
Aggregate Number of Mobile Billing Subscribers		309.478 million
Net Addition of Mobile Billing Subscribers for the Month		0.185 million
Cumulative Net Addition of Mobile Billing Subscribers for the Year		3.667 million

Aggregate Number of 5G Package Subscribers		98.565 million
Net Addition of 5G Package Subscribers for the Month		6.713 million
Cumulative Net Addition of 5G Package Subscribers for the Year		27.735 million

FIXED-LINE BUSINESS:
Aggregate Number of Fixed-Line Broadband Subscribers		88.834 million
Net Addition of Fixed-Line Broadband Subscribers for the Month		0.707 million
Cumulative Net Addition of Fixed-Line Broadband Subscribers for the Year		2.739 million

Aggregate Number of Local Access Subscribers		47.240 million
Net Loss of Local Access Subscribers for the Month		(0.027) million
Cumulative Net Loss of Local Access Subscribers for the Year		(0.099) million

~~(Incorporated~~1 ~~in Hong Kong with limited liability)~~

~~(Stock~~Caution ~~Code:~~Statement ~~0762)~~

~~Poll Results~~The ofBoard ~~Annual~~wishes ~~General~~to ~~Meeting~~remind ~~and~~investors ~~Payment~~that the above operational statistics for the month of April 2021 were based on the ~~Final~~Group’s ~~Dividend~~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 securities of the Company.

~~The~~By ~~Board~~Order of ~~Directors (~~the “Board”) ofCHINA ~~China~~UNICOM ~~Unicom~~ (~~Hong~~HONG ~~Kong~~KONG) ~~Limited~~ ~~(the~~LIMITED ~~“Company”)~~YUNG isSHUN ~~pleased~~LOY toJACKY ~~announce an Annual General Meeting of the~~ Company was held on Thursday, 13 May 2021 (the “AGM”). The number of issued shares of the Company as at the date of the AGM was 30,598,124,345, which was the total number of shares entitling the holders to attend and vote for or against any of the resolutions proposed at the AGM. There were no restrictions on any shareholders casting votes on any of the proposed resolutions at the AGM. Besides, there were no shares entitling the holders to attend and abstain from voting in favour of the resolutions at the AGM as set out in the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”) and there were no shares requiring the holders to abstain from voting at the AGM under the Listing Rules. Hong Kong Registrars Limited, registrar of the Company’s share, acted as scrutineer for the vote-taking at the AGM. Secretary

~~The~~Hong ~~poll~~Kong, ~~results~~20 May in2021 ~~respect of the proposed resolutions at the AGM were as follows:~~

	Ordinary Resolutions	No. of Votes (%)
		For			Against
1.	To receive and consider the financial statements and the Reports of the Directors and of the Independent Auditor for the year ended 31 December 2020.		25,079,300,154 99.9936	%		1,601,615 0.0064	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed.
2.	To declare a final dividend of RMB0.164 per share (equivalent to HK$0.19822 per share) (pre-tax) for the year ended 31 December 2020.		25,066,363,079 99.9422	%		14,494,238 0.0578	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed.
3.	(i) (a) To re-elect Mr. Chen Zhongyue as a Director;		25,057,377,165 99.9063	%		23,489,794 0.0937	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed.

Certain statements contained in this announcement may be viewed as “forward-looking statements” within the meaning of Section 27A of the U.S. Securities Act of 1933 (as amended) and Section 21E of the U.S. Securities Exchange Act of 1934 (as amended). Such forward-looking statements are subject to known and unknown risks, uncertainties and other factors, which may cause the actual performance, financial condition or results of operations of the Company to be materially different from any future performance, financial condition or results of operations implied by such forward looking statements. In addition, we do not intend to update these forward-looking statements. Further information regarding these risks, uncertainties and other factors is included in the Company’s most recent Annual Report on Form 20-F filed with the U.S. Securities and Exchange Commission (the “SEC”) and in the Company’s other filings with the SEC.

1As at the date of this announcement, the board of directors of the Company comprises:

~~Table~~Executive ofDirectors: ~~Contents~~Wang Xiaochu, Chen Zhongyue, Li Fushen and Zhu Kebing Independent Non-executive Directors: Cheung Wing Lam Linus, Wong Wai Ming, Chung Shui Ming Timpson and Law Fan Chiu Fun Fanny

3.	(b) To re-elect Mr. Zhu Kebing as a Director;	25,023,495,721 99.7713	%	57,371,228 0.2287	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed
	(c) To re-elect Mr. Wong Wai Ming as a Director;	25,011,882,103 99.7250	%	68,984,856 0.2751	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed
	(d) To re-elect Mr. Chung Shui Ming Timpson as a Director;	24,839,449,204 99.0374	%	241,417,745 0.9626	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed
	(ii) To authorise the Board of Directors to fix the remuneration of the Directors.	25,073,933,325 99.9801	%	4,983,634 0.0199	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed.
4.	To appoint Auditor, and to authorise the Board of Directors to fix their remuneration for the year ending 31 December 2021.	25,072,904,904 99.9681	%	7,996,865 0.0319	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed.
5.	To grant a general mandate to the Directors to buy back shares in the Company not exceeding 10% of the total number of the existing shares in the Company in issue.	25,072,522,696 99.9667	%	8,344,264 0.0333	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed.
6.	To grant a general mandate to the Directors to issue, allot and deal with additional shares in the Company not exceeding 20% of the total number of the existing shares in the Company in issue.	24,703,189,275 98.4942	%	377,677,685 1.5058	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed.
7.	To extend the general mandate granted to the Directors to issue, allot and deal with shares by the number of shares bought back.	24,718,616,425 98.5557	%	362,250,535 1.4443	%
	As more than 50% of the votes were cast in favour of the resolution, the resolution was duly passed.

The full text of the above resolutions is set out in the notice of AGM.

Payment of the Final Dividend

The final dividend of RMB0.164 per share (equivalent to HK$0.19822 per share) (pre-tax) for the year ended 31 December 2020 was approved at the AGM. The relevant exchange rate was the mid-rate of Renminbi to Hong Kong dollars as announced by the People’s Bank of China on 11 May 2021, being the second business day prior to the date of declaration of dividends at the AGM (RMB0.82736 equivalent to HK$1.00). The dividend will be paid to shareholders whose names appear on the register of members of the Company on Monday, 24 May 2021. The register of members will be closed on Monday, 24 May 2021. In order to be entitled to the final dividend, shareholders who have not registered the transfer documents are required to deposit the transfer documents together with the relevant share certificates at Hong Kong Registrars Limited, at Shops 1712 - 1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong at or before 4:30 p.m. on Friday, 21 May 2021. The final dividend is expected to be paid on or around 16 June 2021.

Appointment of Auditors

Reference is made to the announcement of the Company dated 11 March 2021 in relation to the proposed change of auditors. The Board is pleased to announce the appointment of Deloitte Touche Tohmatsu and Deloitte Touche Tohmatsu Certified Public Accountants LLP as the auditors of the Company and its subsidiaries for Hong Kong financial reporting and U.S. financial reporting purposes, respectively, for the year ending 31 December 2021.

By Order of the Board of China Unicom (Hong Kong) Limited Yung Shun Loy Jacky Company Secretary

Hong Kong, 13 May 2021

As at the date of this announcement, the Board of Directors of the Company comprises:

Executive Directors: Wang Xiaochu, Chen Zhongyue, Li Fushen and Zhu Kebing Independent Non-executive Directors: Cheung Wing Lam Linus, Wong Wai Ming, Chung Shui Ming Timpson and Law Fan Chiu Fun Fanny

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