ANNOUNCEMENT ON KEY OPERATING DATA OF MARCH 2018

Hong 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.

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)

ANNOUNCEMENT ON KEY OPERATING DATA OF MARCH 2018

This announcement enclosing the SSE Announcement is made by Air China pursuant to Rule 13.09 and Rule 13.10B of the Rules Governing the Listing of Securities on the Stock Exchange of Hong Kong Limited (the "Listing Rules") and the Inside Information Provisions (as defined in the Listing Rules) under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong) (the "SFO").

The data in the enclosed SSE Announcement was calculated based on the internal statistics of the Group, which may differ from the data disclosed in the relative periodic reports.

Investors are advised to exercise caution in dealing in shares of Air China.

By Order of the Board

Air China Limited

Zhou Feng Tam Shuit Mui

Joint Company Secretaries

Beijing, the PRC, 16 April 2018

As at the date of this announcement, the directors of the Company are Mr. Cai Jianjiang, Mr. Song Zhiyong, Mr. John Robert Slosar, Mr Xue Yasong, Mr. Wang Xiaokang*, Mr. Liu Deheng*, Mr. Stanley Hui Hon- chung* and Mr. Li Dajin*.

* Independent non-executive director of the Company

SSE ANNOUNCEMENT

The SSE Announcement is written in Chinese, with no official English translation. The English translation is provided solely for reference only. In case of any discrepancy between the two versions, the Chinese version shall prevail. The full version of the SSE Announcement is as follows:

AIR CHINA LIMITED

ANNOUNCEMENT ON KEY OPERATING DATA OF MARCH 2018

In March 2018, Air China Limited (the "Company"), and its subsidiaries (the "Group") maintained growth in combined passenger traffic (measured by revenue passenger kilometers (the "RPK")) as compared to the same period last year as well as compared to the same period last month. Passenger capacity (measured by available seat kilometers (the "ASK")) and passenger traffic recorded a year-on-year increase of 13.7% and 14.7% respectively. For domestic routes, passenger capacity and passenger traffic increased by 9.3% and 10.2%, respectively, as compared to the same period last year. For international routes, passenger capacity and passenger traffic increased by 22.8% and 23.3%, respectively, as compared to the same period last year. Passenger capacity on regional routes increased by 3.2%, and passenger traffic recorded an increase of 15.9%, as compared to the same period last year. The overall passenger load factor was 81.8%, representing an increase of 0.7 percentage points as compared to the same period last year. The passenger load factor for domestic, international and regional routes increased by 0.7, 0.3 and 8.6 percentage points respectively.

In terms of cargo operations, in March 2018, cargo and mail traffic (measured by revenue freight tonne kilometers (the "RFTK")) maintained growth as compared to the same period last year. Freight tonnage carried recorded increase on both a year-on-year basis and a month-on-month basis. Cargo capacity (measured by available freight tonne kilometers (the "AFTK")) increased by 11.3% year-on-year. Cargo and mail traffic increased by 7.7% and the volume of cargo and mail carried decreased by 3.0% as compared to the same period last year. The cargo load factor was 53.4% in March 2018, representing a year-on-year decrease of 1.8 percentage points.

In March 2018, the Group introduced one A320 and five B737 aircraft, and retired one A320 aircraft. As at the end of March 2018, the Group operated a fleet of 659 aircraft, including 278 self-owned aircraft, 179 aircraft under finance lease and 202 aircraft under operating lease.

The following table sets forth New Route for March 2018

The following table sets forth key operating data for March 2018:

Notes:

1. "ATK(s)" refers to the number of tonnes of capacity available for transportation multiplied by the kilometers flown

2. "ASK(s)" refers to the number of seats available for sale multiplied by the kilometers flown

3. "AFTK(s)" refers to the number of tonnes of capacity available for the carriage of cargo and mail multiplied by the kilometers flown

4. "RTK(s)" refers to the revenue load (passenger and cargo) in tonnes multiplied by the kilometers flown

5. "RPK(s)" refers to the number of revenue passengers carried multiplied by the kilometers flown

6. "RFTK(s)" refers to the revenue cargo and mail load in tonnes multiplied by the kilometers flown

7. "Passenger Load Factor" refers to revenue passenger kilometers expressed as a percentage of available seat kilometers

8. "Cargo and Mail Load Factor" refers to revenue freight tonne kilometers expressed as a percentage of available freight tonne kilometers

9. "Overall Load Factor" refers to RTKs expressed as a percentage of available tonne kilometers

The key operating data above was calculated based on the internal statistics of the Group, which may differ from the data disclosed in the relative periodic reports. Investors are hereby reminded of the risks which may results from inappropriate reliance upon or utilization of the information given above.

Board of Directors of Air China Limited

Beijing, the PRC, 16 April, 2018