ELECTION OF LANGUAGE AND MEANS OF RECEIPT OF CORPORATE COMMUNICATIONS

Hutchison Telecommunications Hong Kong Holdings Limited

和記電訊香港控股有限公司

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 215)

20 August 2020

Dear Shareholders,

Election of Language and Means of Receipt of Corporate Communications

Pursuant to Rules 2.07A and 2.07B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited and the Articles of Association of the Company, the Company is making available to you certain options for receipt of future corporate communications of the Company ("Corporate Communications"), which means any document(s) issued or to be issued by the Company for the information or action of any holders of its securities, including but not limited to: (a) directors' reports, annual financial statements together with the independent auditor's reports and, where applicable, summary financial reports;

1. interim reports and, where applicable, summary interim reports; (c) notices of meetings; (d) listing documents; (e) circulars; and

1. proxy forms. The options are:

Option 1: to receive by mail the printed English version of all future Corporate Communications only; or

Option 2: to receive by mail the printed Chinese version of all future Corporate Communications only; or

Option 3: to receive by mail both the printed English and Chinese versions of all future Corporate Communications; or

Option 4: to access all future Corporate Communications through the website of the Company at www.hthkh.com (the "Website Version") instead of receiving printed copies by mail.

In support of the environment minimising the use of paper and saving printing and mailing costs, the Company recommends that you select Option 4 above to receive the Website Version of all Corporate Communications in future. To elect, please mark a "X" in the appropriate box on the enclosed reply form and return it signed to the Company's Hong Kong share registrar (the "Hong Kong Share Registrar"), Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong. If you post the enclosed reply form in Hong Kong, you may use the freepost mailing label provided when returning the reply form. If you are mailing from overseas, please affix an appropriate stamp.

If the Company does not receive the reply form or a response from you by 21 September 2020, you will be deemed to have consented to receiving the Website Version of all future Corporate Communications, and a notification of the posting of Corporate Communications on the website of the Company will be sent to you in the future.

You are entitled to change the choice of language and/or means of receipt of future Corporate Communications at any time by providing prior written notice of not less than five clear business days to the Hong Kong Share Registrar by mail or to the Company by email to hthkh.ecom@computershare.com.hk. Even if you have elected (or are deemed to have consented) to receive the Website Version of all future Corporate Communications, if for any reason you have difficulty in accessing the Corporate Communications posted on the website of the Company, the Company will, upon receipt of a written request, promptly send you the Corporate Communications in printed form free of charge.

Please note that: (a) printed copies of the English and Chinese versions of all future Corporate Communications will be available from the Company or the Hong Kong Share Registrar upon request; and (b) the Website Version of both English and Chinese versions of all future Corporate Communications will also be available on the website of the Company at www.hthkh.com and the website of Hong Kong Exchanges and Clearing Limited at www.hkexnews.hk.

Should you have any queries in relation to this letter, please call the telephone hotline of the Company at (852) 2862 8688 during business hours (9:00 am to 6:00 pm from Mondays to Fridays, excluding public holidays) from 20 August 2020 to 21 September 2020.

Yours faithfully,

For and on behalf of

Hutchison Telecommunications Hong Kong Holdings Limited

Edith Shih

Non-executive Director and Company Secretary

HTHH-20082020-1(0)

I/We would like to receive the Corporate Communications* of the Company in the manner as indicated below:

(Please mark a"X"in ONLY ONE of the following boxes.)

• to receive by mail the printed English version of all future Corporate Communications ONLY; OR
• to receive by mail the printed Chinese version of all future Corporate Communications ONLY; OR
• to receive by mail both the printed English and Chinese versions of all future Corporate Communications; OR
• to access all future Corporate Communications through the website of the Company (the "Website Version") only instead of receiving printed copies by mail; and receive an email notification or a notification letter of the posting of Corporate Communications on the website of the Company.

Email Address

(The Company will send to the email address provided above (if any) only a notification of the availability of the C orporate Communications on the website of the Company in the future. If no email address is provided, only a notification letter of the posting of Corporate Communications on the website of the Company will be sent. Please provide the email address in Engl ish Capital Lettersand such email address will be used for sending notification of the release of the Corporate Communications only.)

Notes:

1. Please complete all the items. If no box, or more than one box, is marked "X", the Company reserves its right to treat this Reply Form as void.
2. If the Company does not receive this Reply Form or a response from you by 21 September 2020, you will be deemed to have consented to receiving the Website Version of all Corporate Communications, and a notification of the posting of Corporate Communications on the website of the Company will be sent to you in the future.

(i) "Personal Data" in these statements has the same meaning as "personal data" in the Personal Data (Privacy) Ordinance, Chapter 486 of the Laws of Hong Kong ("PDPO").

1. The supply of your Personal Data to the Company is on a voluntary basis and such data will be used for processing your instructions and/or requests as stated in this form.
2. Your Personal Data will not be transferred to any third parties (other than the Share Registrars of the Company) unless it is a requirement to so do by law, for example, in response to a court order or a law enforcement agency's request and will be retained for such period as may be necessary for our verification and record purposes.
3. You have the right to request access to and/or to correct your Personal Data in accordance with the provisions of the PDPO. Any such request should be in writing addressed to the Personal Data
   Privacy Officer of Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong.