Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this supplemental notice, 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 supplemental notice.

中國國際航空股份有限公司

AIR CHINA LIMITED

(a joint stock limited company incorporated in the People's Republic of China with limited liability)

(Stock Code: 00753)

SUPPLEMENTAL NOTICE OF ANNUAL SHAREHOLDERS' MEETING

Reference is made to the notice of the annual shareholders' meeting (the "Original Notice") of Air China Limited (the "Company") dated 6 May 2026 which sets out the resolutions to be considered by shareholders of the Company (the "Shareholder(s)") at the annual shareholders' meeting to be held at 11 a.m. on Thursday, 28 May 2026 at The Conference Room C313, No. 30 Tianzhu Road, Shunyi District, Beijing, the PRC (the "AGM").

China National Aviation Holding Corporation Limited, the controlling Shareholder of the Company, has submitted an extraordinary proposal to the board (the "Board") of directors (the "Director(s)") of the Company. In accordance with the relevant laws and regulations and the Company's articles of association, the Board hereby presents such extraordinary proposal at the AGM for consideration and approval by Shareholders.

SUPPLEMENTAL NOTICE IS HEREBY GIVEN that the AGM, which will be held as originally scheduled, will consider and, if thought fit, pass the following ordinary resolution, in addition to the resolutions set out in the Original Notice:

ORDINARY RESOLUTION

12.     To consider and approve the resolution in relation to the election of Mr. Lam Siu Por Ronald as a non-executive Director of the Company.

For the biographical details of Mr. Lam Siu Por Ronald, please refer to Appendix I to this supplemental notice.

By Order of the Board

Air China Limited

Xiao Feng

Company Secretary

Beijing, the PRC, 12 May 2026

As at the date of this supplemental notice, the directors of the Company are Mr. Liu Tiexiang, Mr. Qu Guangji, Mr. Cui Xiaofeng, Mr. Patrick Healy, Mr. Xiao Peng, Mr. Xu Niansha*, Mr. He Yun*, Ms. Winnie Tam Wan-chi* and Mr. Gao Chunlei*.

* Independent non-executive director of the Company Notes:

(1)     A revised form of proxy is enclosed with this supplemental notice. Whether or not you are able to attend the AGM, you are requested to complete the accompanying revised form of proxy in accordance with the instructions printed thereon and return the same to the Company's H share registrar, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wan Chai, Hong Kong as soon as practicable and in any event not less than 24 hours before the time specified for the holding of the AGM or any adjournment thereof (as the case may be). Completion and return of the revised form of proxy will not preclude the shareholders of the Company from attending and voting in person at the AGM or any adjournment thereof.

(2)       Please refer to the Original Notice for details in respect of the other resolutions to be proposed at the AGM, eligibility for attending the AGM, appointment of proxy, registration procedures, closure of register of members and other relevant matters.

APPENDIX I:

Biographical details of Mr. Lam Siu Por Ronald ("Mr. Lam") are set out below:

Mr. Lam Siu Por Ronald, aged 53, graduated from the University of Cambridge with a Bachelor and Master of Arts, Major in Computer Science. He joined the Swire group in 1996 and has worked with Cathay Pacific Airways Limited ("Cathay Pacific") in the Hong Kong SAR, Japan and Sri Lanka. He was director and general manager of Hong Kong Operations of Hong Kong Aircraft Engineering Company Limited from July 2013 to May 2017, director commercial and cargo of Cathay Pacific from June 2017 to July 2019, chief customer and commercial officer of Cathay Pacific from August 2019 to December 2022, and a director of Air China Cargo Co., Ltd. from September 2021 to June 2025. He has been a director of Cathay Pacific since 19 August 2019 and chief executive officer since 1 January 2023. He is also chair of Hong Kong Express Airways Limited and a director of John Swire & Sons (H.K.) Limited.

Save as disclosed above and as at the date of this supplemental notice, Mr. Lam does not have any relationship with any Directors, senior management, substantial Shareholder(s) or controlling Shareholder(s) of the Company or hold any other positions in the Company or any of its subsidiaries, or any directorship in other listed companies in the last three years. As at the date of this supplemental notice, Mr. Lam does not have any interest in the shares of the Company within the meaning of Part XV of the Securities and Futures Ordinance (Cap. 571 of the Laws of Hong Kong).

Upon approval of Mr. Lam's appointment at the AGM, Mr. Lam will enter into a service contract with the Company for a term commencing on the date of approval by the Shareholders of his appointment and ending on the expiry of the term of the current session of the Board. Mr. Lam will not receive any remuneration for his serving as a Director of the Company.

Save as disclosed above, the Board is not aware of any other matters in relation to the proposed appointment of Mr. Lam as a non-executive Director of the Company that need to be brought to the attention of the Shareholders nor any information that is required to be disclosed pursuant to Rules 13.51(2)(h) to 13.51(2)(v) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.