AviChina Industry & Technology : ANNOUNCEMENT(1) POSTPONEMENT OF THE AGM, THE H SHAREHOLDERS CLASS MEETING AND THE DOMESTIC SHAREHOLDERS CLASS MEETING;(2) CHANGE OF BOOK CLOSURE PERIOD;(3) CHANGE OF DIVIDEND PAYMENT ARRANGEMENT; AND(4) DESPATCH OF SUPPLEMENTAL NOTICES AND NEW PROXY FORMS

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中國航空科技工業股份有限公司

AviChina Industry & Technology Company Limited*

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

(Stock Code: 2357)

ANNOUNCEMENT

(1) POSTPONEMENT OF THE AGM, THE H SHAREHOLDERS CLASS MEETING

AND THE DOMESTIC SHAREHOLDERS CLASS MEETING;

(2) CHANGE OF BOOK CLOSURE PERIOD;

(3) CHANGE OF DIVIDEND PAYMENT ARRANGEMENT; AND

(4) DESPATCH OF SUPPLEMENTAL NOTICES AND NEW PROXY FORMS

Reference is made to the circular (the "Circular") dated 11 April 2018 of AviChina Industry & Technology Company Limited* (the "Company"), the notice of the annual general meeting for the year ended 31 December 2017 (the "AGM"), the notice of class meeting for holders of H shares (the "H Shareholders Class Meeting") and the notice of class meeting for holders of domestic shares (the "Domestic Shareholders Class Meeting") (collectively, the "Original Notices"), which were scheduled to be held at 9:00 a.m., 9:30 a.m. and 10:00 a.m., respectively, on Friday, 18 May 2018, at Avic Hotel, No. 10 Yi, Central East Third Ring Road, Chaoyang District, Beijing, the People's Republic of China (the "PRC"). Unless otherwise indicated, capitalized terms used in this announcement shall have the same meanings as those defined in the Circular and the Original Notices.

1.

POSTPONEMENT OF THE AGM, THE H SHAREHOLDERS CLASS MEETING AND THE DOMESTIC SHAREHOLDERS CLASS MEETING

The board of directors (the "Board") of the Company announces that, due to the adjustments of certain resolutions to be submitted at the AGM, the Company hereby postpones the date of the AGM to 9:00 a.m. on Friday, 29 June 2018. The dates of the H Shareholders Class Meeting and the Domestic Shareholders Class Meeting were

postponed to 9:30 a.m. and 10:00 a.m. on Friday, 29 June 2018, respectively.

The venue of the AGM, the H Shareholders Class Meeting and the Domestic

1

Shareholders Class Meeting will remain unchanged at Avic Hotel, No. 10 Yi, Central East Third Ring Road, Chaoyang District, Beijing, the PRC. Details of the adjustments of the resolutions to be submitted at the AGM will be despatched in a timely manner.

2.

CHANGE OF BOOK CLOSURE PERIOD

Due to the change of the date of the aforementioned meetings, the book closure period for the determination of shareholders' entitlement, respectively, (1) to attend the AGM and the H Shareholders Class Meeting; and (2) to receive payment of the final dividend for the year ended 31 December 2017 will be changed accordingly.

• (1) Closure of Register of Members and Eligibility to Attend and Vote at the AGM and the H Shareholders Class Meeting

  The H share register of members of the Company has been closed from Saturday, 28 April 2018 and was scheduled to be closed up to Friday, 18 May 2018 (both days inclusive), during which period no transfer of H shares were to be registered. Due to the postponement of the AGM and the H Shareholder Class Meeting, the H share register of members of the Company will be re-opened from the next day following this announcement. The H share register of members of the Company will be closed from Saturday, 9 June 2018 to Friday, 29 June 2018 (both days inclusive), during which period no transfer of H shares will be registered. Holders of the Company's H shares and domestic shares whose names appear on the Company's Register of Members at the opening of business on Friday, 29 June 2018 are entitled to attend and vote at the AGM. Holders of the Company's H shares whose names appear on the Company's Register of Members at the opening of business on Friday, 29 June 2018 are entitled to attend and vote at the H Shareholders Class Meeting.

  In order for the H shareholders to be entitled to attend and vote at the AGM and H Shareholders Class Meeting, all transfer instruments accompanied by the relevant share certificates must be lodged with Computershare Hong Kong Investor Services Limited, the Company's H shares registrar, not later than 4:30 p.m. on Friday, 8 June 2018 at Shops 1712-1716, 17th floor, Hopewell Centre, 183 Queens' Road East, Wanchai, Hong Kong.

• (2) Closure of Register of Members and Eligibility to Receive the 2017 Final Dividend

  Due to the change of the date of the AGM, the Company's register of members will not be closed from Friday, 25 May 2018 to Wednesday, 30 May 2018 (both days inclusive) as scheduled, during which period no transfer of H shares were to

be registered to determine the identity of the shareholders entitled to receive the final dividend. To determine the identity of the shareholders entitled to receive the final dividend, the Company's register of members will be closed from

Friday, 6 July 2018 to Wednesday, 11 July 2018 (both days inclusive), during which period no transfer of H shares will be registered.

In order to be entitled to receive the 2017 final dividend, all transfer instruments accompanied by the relevant share certificates must be lodged with Computershare Hong Kong Investor Services Limited, the Company's H shares registrar, not later than 4:30 p.m. on Thursday, 5 July 2018 at Shops 1712-1716, 17th floor, Hopewell Centre, 183 Queens' Road East, Wanchai, Hong Kong.

• 3. CHANGE OF DIVIDEND PAYMENT ARRANGEMENT

  • (1) Exchange Rate for Dividend Payment in Hong Kong Dollar

    The 2017 final dividend distributed to the H shareholders of the Company is denominated and declared in RMB and paid in Hong Kong dollars. Due to the change of the date of the AGM, shareholders shall note that the average closing price of RMB against Hong Kong dollars announced by the People's Bank of China five working days prior to the date on which the dividend is declared at the AGM (i.e., 29 June 2018) shall be used to calculate the actual payment in Hong Kong dollar.

  • (2) Change of Date of Dividend Payment

    Due to the change of the date of the AGM, the expected payment date of the final dividend for the year ended 31 December 2017 of the Company will be changed from "on or before 18 August 2018" to "on or before 28 September 2018".

• 4. DESPATCH OF SUPPLEMENTAL NOTICES AND NEW PROXY FORMS

  The supplemental notices of the AGM and the H Shareholders Class Meeting together with new proxy forms (the "New Proxy Form(s)"), containing, among others, the adjusted resolutions, will be despatched to the shareholders of the Company in due course.

(1)Proxy Forms

If a shareholder has already completed and returned the forms of proxy enclosed to the Circular (the "Original Proxy Form(s)"), (i) for the proxy forms for use at the AGM, the shareholder is still encouraged to complete and return the NewProxy Form(s) in accordance with the instructions printed thereon, and the Original Proxy Form(s) shall be deemed to be revoked. If the shareholder has not completed the New Proxy Form(s) as at the AGM, the proxy so appointed by the shareholder will be entitled to cast the vote at his/her discretion or to abstain from voting on the adjusted resolutions at the AGM in addition to those resolutions to which the shareholder has indicated his/her voting direction in the Original Proxy Form(s); (ii) for the proxy forms for use at the H Shareholders Class Meeting, the shareholder may ignore the New Proxy Form(s) and take no further action.

If a shareholder has not completed and returned the Original Proxy Form(s), he/she is advised to complete and return the New Proxy Form(s) in accordance with the instructions printed thereon.

If a shareholder chooses to complete and return both the Original Proxy Form(s) and the New Proxy Form(s), the information and instructions set out in the New Proxy Form(s) shall prevail.

(2)

Reply Slips

If a shareholder has already completed and returned the reply slip(s) enclosed to the Circular, he/she shall take no further action.

By Order of the Board

AviChina Industry & Technology Company Limited*

Xu Bin

Company Secretary

Beijing, 10 May 2018

As at the date of this announcement, the Board comprises executive director Mr. Lin Zuoming, non-executive directors Mr. Tan Ruisong, Mr. Wu Xiandong, Mr. Li Yao, Mr. He Zhiping and Mr. Patrick de Castelbajac as well as independent non-executive directors Mr. Lau Chung

Man, Louis, Mr. Liu Renhuai and Mr. Yeung Chi Wai.

* For identification purposes only