CK Infrastructure : Notification Letter To Registered Holder - (1) Annual General Meeting; And (2) Notice Of Publication Of Annual Report 2021, Circular Dated 11th April, 2022, AGM Notice, And Proxy Form (PDF)

(Incorporated in Bermuda with limited liability)

（於百慕達註冊成立之有限公司）

(Stock Code 股份代號: 1038)

NOTIFICATION LETTER

11th April, 2022

Dear Shareholder(s),

CK Infrastructure Holdings Limited ("Company")

1. Annual General Meeting ("AGM") of the Company

The AGM of the Company will be held as a hybrid meeting at 9th Floor, Cheung Kong Center, 2 Queen's Road Central, Hong Kong ("Principal Meeting Place") and online on Tuesday, 17th May, 2022 at 2:15 p.m. Due to the legal restrictions under the Prevention and Control of Disease (Requirements and Directions) (Business and Premises) Regulation (Cap. 599F of the Laws of Hong Kong) and the Prevention and Control of Disease (Prohibition on Gathering) Regulation (Cap. 599G of the Laws of Hong Kong) ("Regulations") which have been implemented to deal with the health risks of the COVID-19 pandemic and which limit the number of people permitted for group gatherings in public places (including any meeting of shareholders), shareholders of the Company ("Shareholders") will not be able to attend the AGM physically at the Principal Meeting Place but will be able to attend online only. The Company encourages Shareholders to: (i) attend the AGM and vote by means of electronic facilities; or (ii) exercise their right to vote at the AGM by appointing the Chairman of the AGM as their proxy.

Online Attendance at the AGM

You can attend, participate, raise questions and vote at the AGM through online access by visiting the website athttps://web.lumiagm.com ("Online Platform"). By participating in the AGM using the Online Platform, you will be deemed present at, and will be counted towards the quorum of, the AGM and you will be able to cast your votes and submit questions through the Online Platform. Please refer to the Company's circular dated 11th April, 2022 for details of the AGM arrangements. You can log in to the Online Platform in approximately 30 minutes prior to the commencement of the AGM (i.e. from 1:45 p.m. on 17th May, 2022) by entering the following:

• Meeting ID	: 114-627-500
• Username	: your 10-digit shareholder reference number starting with "C" ("SRN") printed under the barcode on the top right corner of this letter
• Password	: the five-digit Personal Identification Number (PIN) below the SRN

For corporate shareholders who attending the AGM online, please call Computershare Hong Kong Investor Services Limited, the Company's Branch Share Registrar at its hotline [phone] for arrangement.

You should note that the Online Platform permits you to submit your vote in respect of part or all of the shares you hold. Votes cast through the Online Platform are irrevocable once the voting session at the AGM ends. Once the online voting has closed, the vote which you have submitted through the Online Platform will supersede any vote which may be cast by your proxy (if any) at the AGM.

You are reminded to keep the login details in safe custody and not to disclose them to anyone else. The submission of the vote through the Online Platform using your login details will be conclusive evidence that the vote was validly cast by you as Shareholder of the Company. Neither the Company nor its agents assume any obligation or liability whatsoever in connection with the transmission of the login details or any use of the login details for voting or otherwise. The Company and its agents take no responsibility for any loss or other consequence caused by or resulting from any unauthorised use of the login details.

Documents required to be made available at the AGM are accessible from the Company's website (https://www.cki.com.hk).

Due to the constantly evolving COVID-19 pandemic situation in Hong Kong and the related changes in the legal restrictions or requirements under the Regulations, the Company may be required to change the AGM arrangements at short notice. Shareholders should check the Company's website athttps://www.cki.com.hkor the Company's AGM website athttps://www.cki.com.hk/english/2022agm/index.htmfor future announcements and updates on the AGM arrangements.

2.

Notice of publication of (1) Annual Report 2021, (2) Circular dated 11th April, 2022 in relation to the Proposals for Election of Directors at 2022 Annual General Meeting, General Mandates to Issue New Shares and Buy Back Shares and Notice of 2022 Annual General Meeting ("AGM Notice"), (3) AGM Notice, and (4) Proxy Form (collectively "Current Corporate Communications")

The Company's Current Corporate Communications (both English and Chinese versions) are available on the Company's website athttps://www.cki.com.hkand the website of Hong Kong Exchanges and Clearing Limited ("HKEX") athttps://www.hkexnews.hk. You may access the Current Corporate Communications by clicking "Investor Information" on the home page of the Company's website or by searching under "Listed Company Information" on the website of HKEX. Viewing the above documents requires Adobe® Reader®. The printed form(s) of Current Corporate Communications is/are enclosed (if applicable).

Shareholders who have chosen (or are deemed to have consented) to read the Company's Corporate Communications(Note) published on the Company's website in place of receiving printed copies thereof may request the printed copy of the Current Corporate Communications. Shareholders for any reason have difficulty in receiving or gaining access to the Current Corporate Communications posted on the Company's website will upon request in writing promptly be sent the Current Corporate Communications in printed form free of charge. Shareholders who have received either the English or the Chinese version of the Current Corporate Communications may also request a copy in the other language.

If you want to request printed version(s) of the Current Corporate Communications, please complete the Request Form enclosed with this letter and send it to the Company c/o its Branch Share Registrar, Computershare Hong Kong Investor Services Limited, using the mailing label and need not affix a stamp when returning (if posted in Hong Kong). Otherwise, please affix an appropriate stamp. The address of Computershare Hong Kong Investor Services Limited is 17M Floor, Hopewell Centre, 183 Queen's Road East, Hong Kong. You may also send your request [e-mail]. The Request Form may also be downloaded from the Company's website athttps://www.cki.com.hkby clicking "Investor Information" on the home page, then selecting "Request Form For Registered Holder" under "Annual Reports", or the website of HKEX athttps://www.hkexnews.hk.

Please note that you are entitled to change your choice as to the means of receipt (i.e. in printed form or by electronic means through the Company's website) and/or the language of the Company's Corporate Communications at any time by reasonable prior notice in writing to the Company c/o its Branch Share Registrar or sending a notice [e-mail].

Should you have any queries relating to this letter, please contact the Company's Branch Share Registrar, Computershare Hong Kong Investor Services Limited by telephone at (852) 2862 8558.

Yours faithfully,

CK Infrastructure Holdings Limited

Note:Corporate Communications include but are not limited to (a) the directors' report, its annual accounts together with a copy of the auditors' report and, where applicable, its summary financial report; (b) the interim report and, where applicable, its summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form.