UNITEDTable STATESof Contents

ExhibitNumberTable 1 Announcement dated May 7, 2021 in respect of Review Decision in relation to NYSE Determination to delist American Depositary Shares.Contents

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

PursuantTable to the requirements of 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. Contents

HongTable Kong Exchanges and Clearing Limited and The Stock Exchange of 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. Contents

(StockTable Code:of 0762) Contents

ExecutiveTable Directors:of 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 FannyContents

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

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

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

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

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

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

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

~~Commission~~For ~~File~~the ~~Number~~Month ~~1-15028~~of May 2021

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

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

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

9975/F, ~~Queen’s Road Central~~The Center, ~~Hong Kong~~

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

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

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

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

Indicate by check mark if the registrant is submitting the Form 6-K on paper as permitted by Regulation S-T Rule 101(b)(71): ☐.

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

~~FORWARD-LOOKING~~EXHIBITS ~~STATEMENTS~~

~~This~~ExhibitNumber ~~announcement~~1 ~~contains~~Announcement ~~certain~~dated ~~forward-looking~~May ~~statements within the meaning of Section 27A of the Securities Act of 1933~~13, as2021 ~~amended,~~in ~~and Section 21E~~respect of ~~the~~Poll ~~Securities~~Results ~~Exchange Act~~ of ~~1934,~~Annual asGeneral ~~amended.~~Meeting ~~Such forward-looking statements may include, without limitation, statements relating to (i) the Company’s plans~~ and ~~strategies~~Payment 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 ~~Company’s~~Final 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 industryDividend.

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 forwardFORWARD-~~looking statements.~~LOOKING ~~The~~STATEMENTS ~~Company does not intend to update any of these forward-looking statements and are under no obligation to do so.~~

~~The~~This announcement contains certain forward-looking statements ~~contained~~within inthe ~~this~~meaning ~~announcement~~of ~~are,~~Section 27A byof ~~their~~the ~~nature,~~Securities ~~subject~~Act toof ~~significant~~1933, ~~risks~~as amended, and Section 21E ~~uncertainties.~~of Inthe ~~addition~~Securities Exchange Act of 1934, ~~these~~as amended. Such forward-looking statements ~~reflect~~may include, without limitation, statements relating to (i) the Company’s ~~current~~plans ~~views~~and ~~with~~strategies ~~respect~~and the ability to ~~future~~successfully ~~events~~execute these plans and ~~are~~strategies, ~~not~~including athose in connection with mergers and acquisitions and capital expenditures; (ii) the Company’s plans for network expansion, including those in connection with the ~~guarantee~~build-out of mobile services and network infrastructure; (iii) the Company’s ~~future~~competitive ~~performance.~~position, ~~Actual~~including ~~results~~the ~~may~~ability ~~differ~~to ~~materially~~upgrade ~~from~~and ~~those~~expand ~~expressed~~existing ornetworks ~~implied~~and inincrease network efficiency, to improve existing services and offer new services, to develop new technological applications and to leverage the ~~forward-looking~~Company’s ~~statements~~position as aan ~~result~~integrated oftelecommunications aoperator ~~number~~and ofexpand ~~factors~~into new services and markets; (iv) the Company’s future business condition, including future financial results, ~~without~~cash ~~limitation:~~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.

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

•The ~~changes~~forward-looking statements contained in ~~the~~this ~~regulatory~~announcement ~~regime~~are, ~~and~~by ~~policies~~their ~~for~~nature, ~~the~~subject ~~PRC~~to ~~telecommunications~~significant ~~industry,~~risks ~~including~~and ~~without~~uncertainties. ~~limitation~~In addition, ~~changes~~these inforward-looking statements reflect the ~~regulatory~~Company’s current views with respect to future events and ~~tariff~~are ~~policies~~not a guarantee of the ~~State~~Company’s ~~Council~~future ofperformance. ~~the~~Actual ~~PRC,~~results ~~the~~may ~~Ministry~~differ ofmaterially ~~Industry~~from ~~and~~those ~~Information~~expressed ~~Technology,~~or implied in the ~~State~~forward-~~owned~~looking ~~Assets~~statements ~~Supervision~~as ~~and~~a ~~Administration~~result ~~Commission,~~of ~~and~~a ~~other~~number ~~relevant~~of ~~government~~factors, ~~authorities~~including, ofwithout ~~the~~limitation: ~~PRC;~~

• ~~changes in~~ the ~~PRC~~Company’s ~~telecommunications~~ability ~~industry~~to ~~resulting~~effectively ~~from~~sustain ~~the~~its ~~issuance~~growth ofand ~~licenses~~to ~~for~~achieve ~~telecommunications~~or ~~services~~enhance ~~by the central government of the PRC~~profitability;

• changes in ~~telecommunications~~the ~~and~~regulatory ~~related~~regime ~~technologies~~and ~~including~~policies for the ~~fifth~~PRC ~~generation mobile~~ telecommunications industry, orincluding 5Gwithout limitation, changes in the regulatory and ~~future~~tariff ~~generations~~policies of ~~mobile~~the ~~technologies~~State Council of the PRC, ~~and~~the ~~applications~~Ministry ~~based~~of onIndustry ~~such~~and ~~technologies~~Information Technology, ~~including~~the ~~testing~~State-owned ~~and~~Assets ~~monetization~~Supervision ofand 5GAdministration Commission, and ~~future~~other ~~generations~~relevant government authorities of ~~mobile~~the ~~technologies~~PRC;

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

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

• the ~~availability,~~level ~~terms~~of ~~and~~demand ~~deployment~~for oftelecommunications ~~capital~~services, ~~and~~in particular, the ~~impact~~fourth ofgeneration ~~regulatory~~mobile telecommunications and ~~competitive~~5G ~~developments on capital outlays~~services;

• ~~the~~competitive ~~potential~~forces ~~impact~~from ofmore ~~restrictions,~~liberalized ~~sanctions~~markets orand ~~other~~the ~~legal~~Company’s orability ~~regulatory~~to ~~actions~~retain ~~under~~market ~~relevant~~share ~~laws and regulations~~ in ~~various~~the ~~jurisdictions~~face onof ~~the~~competition ~~Company,~~from ~~its~~existing ~~suppliers~~telecommunications companies and ~~other~~potential ~~business~~new ~~partners~~market entrants;

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

• ~~costs~~the availability, terms and ~~benefits~~deployment ~~from~~of capital and the ~~Company’s~~impact ~~investment~~of inregulatory and ~~arrangements~~competitive ~~with~~developments ~~China~~on ~~Tower~~capital ~~Corporation Limited~~outlays;

• the potential impact of ~~the~~restrictions, ~~COVID-19~~sanctions ~~pandemic,~~or aother ~~disease~~legal ~~caused~~or byregulatory aactions ~~novel~~under ~~strain~~relevant oflaws ~~coronavirus~~and ~~known~~regulations asin ~~SARS-CoV-2,~~various jurisdictions on the ~~global economy~~Company, ~~the~~its ~~PRC~~suppliers ~~economy~~ and ~~the~~other ~~Company’s~~business ~~operations and financial performance~~partners;

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

• ~~the~~costs ~~impact~~and ofbenefits from the ~~Holding~~Company’s ~~Foreign~~investment ~~Companies~~in ~~Accountable Act~~ and ~~any~~arrangements ~~rules~~with orChina ~~regulations~~Tower ~~adopted~~Corporation ~~by U.S. regulators to implement such legislation~~Limited;

• ~~results~~impact ~~and~~of ~~effects~~the ofCOVID-19 ~~any~~pandemic, ~~investigation~~a disease caused by ~~the~~a ~~relevant~~novel ~~PRC~~strain ~~regulatory~~of ~~authorities~~coronavirus ~~overseeing~~known ~~State~~as SARS-~~owned~~CoV-2, ~~enterprises~~on ~~and~~the ~~their~~global ~~directors~~economy, ~~officers~~the PRC economy and ~~employees;~~the Company’s operations and financial performance;

• ~~changes~~impact inof ~~the~~Executive ~~political,~~Order ~~economic,~~13959 ~~legal,~~signed ~~tax~~by ~~and~~the ~~social~~then ~~conditions~~President inof ~~China, including~~ the ~~PRC~~United ~~Government’s~~States ~~policies~~ and ~~initiatives~~any ~~with~~rules ~~respect~~or toregulations ~~foreign exchange policies~~adopted, ~~foreign~~guidance ~~investment~~issued ~~activities~~or ~~and~~actions ~~policies,~~taken ~~entry~~ by ~~foreign~~U.S. ~~companies~~regulators ~~into~~to ~~the~~implement ~~Chinese~~or ~~telecommunications~~comply ~~market~~with ~~and~~Executive ~~structural~~Order ~~changes~~13959, inincluding the ~~PRC~~ongoing ~~telecommunications~~delisting ~~industry.~~proceedings of our ADSs;

~~Please~~• ~~also see~~ the ~~“Risk~~impact ~~Factors” section~~ of the ~~Company’s~~Holding ~~latest~~Foreign ~~Annual~~Companies ~~Report~~Accountable onAct ~~Form~~and ~~20-F,~~any asrules ~~filed~~or ~~with~~regulations ~~the~~adopted by U.S. ~~Securities~~regulators ~~and~~to ~~Exchange~~implement ~~Commission.~~such 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

•

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.

~~Exhibit~~Please 1also 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.

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

~~中國聯合網絡通信(香港)股份有限公司~~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 the undersigned, thereunto duly authorized.

(Incorporated in Hong Kong with limited liability)


	CHINA UNICOM (HONG KONG) LIMITED (Registrant)

Date: May 14, 2021

		By:	/s/ Yung Shun Loy Jacky
		Name:	Yung Shun Loy Jacky
		Title:	Company Secretary

~~REVIEW~~Exhibit ~~DECISION~~1 ~~IN RELATION TO NYSE DETERMINATION TO DELIST AMERICAN DEPOSITARY SHARES~~

~~This~~Hong ~~announcement~~Kong isExchanges ~~made~~and byClearing ~~China~~Limited ~~Unicom~~and (The Stock Exchange of Hong Kong) Limited (take no responsibility for the ~~“Company”)~~contents onof athis ~~voluntary~~announcement, ~~basis~~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

~~Reference~~CHINA isUNICOM ~~made to~~ (~~i) the~~HONG ~~announcement of the Company dated 7 January 2021 in relation to the announcement by The New York Stock Exchange LLC (the “NYSE”~~KONG) ~~that~~LIMITED NYSE Regulation had determined to re-commence delisting proceedings of the American Depositary Shares of the Company (NYSE stock ticker: CHU) (the “ADSs”) (the “Determination”); and (ii) the announcement of the Company dated 21 January 2021 in relation to the Company’s written request for a review of the Determination by a Committee of the Board of Directors of the NYSE (the “Committee”).

~~In order to protect the interests of the Company and its shareholders, on 20 January 2021~~ 中國聯合網絡通信(~~US Eastern standard time~~香港),股份有限公司 the Company filed with the NYSE a written request for a review of the Determination by the Committee. On 6 May 2021 (US Eastern standard time), the Committee affirmed the Determination. Pursuant to Section 804.00 of the NYSE Listed Company Manual, the Company expects the NYSE to file a Form 25 with the US Securities and Exchange Commission (the “SEC”) to strike the Company’s ADSs from listing and registration and furnish a copy of such Form 25 to the Company. Pursuant to Section 804.00 of the NYSE Listed Company Manual, prior to filing the Form 25 with the SEC, the NYSE will give public notice of its final determination to remove the Company’s ADSs from listing by issuing a press release and posting a notice on its website. Such notice will remain posted on the NYSE’s website until the delisting is effective. Pursuant to Rule 12d2-2 under the US Securities Exchange Act of 1934, as amended, the delisting of the Company’s ADSs will be effective 10 days after the Form 25 is filed with the SEC.

~~The~~(Incorporated ~~amount of the Company’s ADSs~~ in issue had dropped significantly from approximately 33 million as at the end of 2020 to approximately 5 million as at the end of April 2021, which represented approximately 0.2% of the Company’s total issued shares. The Bank of New York Mellon is the depositary for the Company’s ADSs. Holders of ADSs may return the ADSs to The Bank of New York Mellon in exchange for ordinary shares of the Company with each ADS returned to be exchanged into 10 ordinary shares of the Company in accordance with the terms and conditions of the deposit agreement. The Company’s ordinary shares are traded on The Stock Exchange of Hong Kong ~~Limited.~~with Inlimited ~~view of the suspension of trading in the ADSs by the NYSE since 4:00 a.m. (US Eastern standard time~~liability) on 11 January 2021 and the impending delisting of the Company’s ADSs, holders of the ADSs may consult with their professional advisers or the Bank of New York Mellon regarding the exchange of the ADSs into ordinary shares of the Company.

1(Stock Code: 0762)

~~Since its listing in 2000, the Company has complied strictly with the laws and regulations, market rules as~~Poll ~~well~~Results ~~as regulatory requirements~~ of ~~its~~Annual ~~listing~~General ~~venues,~~Meeting and ~~has~~Payment ~~been operating in accordance with laws and regulations. The Company will continue to pay close attention to the development~~ of ~~related matters and also seek professional advice and reserve all rights to protect~~ the ~~legitimate~~Final ~~interests~~Dividend of the Company. The Company will publish further announcement(s) as necessary and when appropriate in compliance with the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited and applicable laws in the future.

~~Shareholders~~The Board of Directors (the “Board”) of China Unicom (Hong Kong) Limited (the “Company”) is pleased to 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 ~~potential~~vote ~~investors~~for ~~are~~or ~~advised~~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 ~~exercise~~attend ~~caution~~and abstain from voting in ~~dealing~~favour of the resolutions at the AGM as set out in the ~~securities~~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.

ByThe ~~Order~~poll ofresults ~~the~~in ~~Board~~respect ~~CHINA~~of ~~UNICOM~~the ~~(HONG~~proposed ~~KONG)~~resolutions ~~LIMITED~~at ~~YUNG~~the ~~SHUN~~AGM ~~LOY~~were ~~JACKY~~as ~~Company~~follows: ~~Secretary~~

Hong Kong, 7 May 2021


	Ordinary Resolutions	No. of Votes (%)
	Ordinary Resolutions	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.

As1 ~~at the date of this announcement, the board of directors of the Company comprises:~~

CHINA UNICOM (HONG KONG) LIMITED

(Registrant)

Date: May 7, 2021

/s/ Yung Shun Loy Jacky

Name: Yung Shun Loy Jacky

Title: Company Secretary


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:

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