Datang Environment Industry : CHANGE OF DATE OF THE EGM, EXTENSION OF PERIOD FOR CLOSURE OF REGISTER OF MEMBERS AND SUPPLEMENTAL NOTICE

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

Datang Environment Industry Group Co., Ltd.*

大 唐 環 境 產 業 集 團 股 份 有 限 公 司

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

(Stock Code: 1272)

CHANGE OF DATE OF THE EGM, EXTENSION OF PERIOD FOR CLOSURE OF REGISTER OF MEMBERS AND SUPPLEMENTAL NOTICE

Reference is made to the circular (the "Original Circular"), the notice (the "Original Notice") and the proxy form (the "Original Proxy Form") of the extraordinary general meeting (the "EGM") issued by Datang Environment Industry Group Co., Ltd. (the "Company") dated 2 September 2019, in which the resolutions in relation to the EGM to be convened at 4:00 p.m. on Friday, 18 October 2019 at No. 120 Zizhuyuan Road, Haidian District, Beijing, the PRC are set out. Unless otherwise specified, capitalised terms used in this supplemental notice shall have the same meanings as those defined in the Original Circular.

The Company hereby announces that, due to the reason of logistical arrangement, the date of the EGM is hereby rescheduled to be convened at 10:00 a.m. on Wednesday, 30 October 2019 (instead of 4:00 p.m. on Friday, 18 October 2019). Accordingly, due to change of date of the EGM, in order to ascertain the entitlements of the shareholders to attend the EGM, the period of closure of the register of members of the Company is extended from Wednesday, 18 September 2019 to Friday, 18 October 2019 (both days inclusive) to Wednesday, 18 September 2019 to Wednesday, 30 October 2019 (both days inclusive), during which period no transfer of shares will be effected. Shareholders whose names appear on the register of members of the Company on Wednesday, 30 October 2019 are entitled to attend and vote at the EGM. Save for the resolutions set out in the Original Notice, the following resolutions will be considered and, if thought fit, approved at the EGM:

SUPPLEMENTAL ORDINARY RESOLUTION

1. To consider and approve the Financial Services Agreement entered into between the Company and Datang Finance and continuing connected transactions in respect of the related services (including proposed annual caps) contemplated thereunder.

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SUPPLEMENTAL SPECIAL RESOLUTION

1. To consider and approve the domestic issuance of corporate bonds of the Company.

A supplemental proxy form (the "Supplemental Proxy Form") containing the above newly added resolution is enclosed in this supplemental notice. The Original Proxy Form along with the Supplemental Proxy Form should be returned in person or by post not less than 24 hours before the time fixed for holding the EGM or any adjourned meeting (i.e. by 10:00 a.m. on 29 October 2019). For details, please refer to the Original Proxy Form and Note vi below.

The reply slip for use at the EGM sent together with the Original Notice to the Shareholders (the "Reply Slip") will be valid reply slip for the postponed EGM. The last date for returning the Reply Slip will be extended from 27 September 2019 to 9 October 2019. Shareholders who have yet to return their Reply Slip are required to complete and return the Reply Slip in accordance with the instructions printed thereon to the Company on or before the aforementioned date. For the avoidance of doubt, any Reply Slip duly completed and returned in accordance with the instructions printed thereon remains valid for the postponed EGM and the relevant Shareholders are not required to return another reply slip.

Save as the above additional ordinary and special resolutions and the extension of deadline for returning the Reply Slip, all information and contents set out in the Original Notice, Original Proxy Form and Reply Slip remain unchanged.

The main texts of resolutions at the EGM are set forth in the Original Circular and the Supplemental Circular to be despatched to the Shareholders, which will be available on the website of the Stock Exchange (www.hkex.com.hk) and on the website of the Company (www.dteg.com.cn) in due course.

By order of the Board

Datang Environment Industry Group Co., Ltd.*

Jin Yaohua

Chairman

Beijing, the PRC, 15 October 2019

As of the date of this notice, the non-executive Directors are Mr. Jin Yaohua, Mr. Liu Chuandong, Mr. Liu Guangming, Mr. Li Yi, Mr. Deng Xiandong and Mr. Shen Zhen; and the independent non-executive Directors are Mr. Ye Xiang, Mr. Mao Zhuanjian and Mr. Gao Jiaxiang.

• For identification purpose only

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Notes:

1. Saved as the resolutions newly proposed, there are no any other changes to the resolutions set out in the Original Notice. For details of other resolutions and other related matters to be considered at the EGM, please refer to the Original Notice and the Original Circular issued by the Company on 2 September 2019, respectively.
2. As the Original Proxy Form despatched by the Company on 2 September 2019 does not contain the newly added resolutions set out in this supplemental notice, the Supplemental Proxy Form containing the above newly added resolutions has been prepared and is enclosed in this supplemental notice. The Supplementary Proxy Form is the supplemental proxy form applicable to the supplemental resolutions set out in this supplemental notice and only serves as a supplement to the Original Proxy Form. The Supplemental Proxy Form will not affect the validity of the Original Proxy Form duly completed and lodged with the H Share Registrar.
3. If a Shareholder has duly completed and only submitted the Original Proxy Form in accordance with the instructions set out therein, the appointed proxy will vote on the resolutions set out in the Original Proxy Form per the Shareholder's instruction and he is entitled to vote on or abstain from voting on, at his own discretion, the resolutions set out in the Supplemental Proxy Form. Similarly, if a Shareholder has duly completed and only submitted the Supplemental Proxy Form in accordance with the instructions set out therein, the appointed proxy will vote on the resolutions set out in the Supplemental Proxy Form per the Shareholder's instruction and he is entitled to vote on or abstain from voting on, at his discretion, the resolutions set out in the Original Proxy Form. If a Shareholder wishes to provide specific instruction to his proxy regarding the voting of all resolutions set out in the Original Proxy Form and the Supplemental Proxy Form, the Shareholder shall, at the same time, duly complete and submit the Original Proxy Form and the Supplemental Proxy Form in accordance with the instructions set out therein.
4. Each Shareholder entitled to attend and vote at the EGM may, by completing the Supplemental Proxy Form of the Company, appoint one or more proxies to attend and vote at the EGM on its behalf. A proxy need not be a Shareholder. With respect to any Shareholder who has appointed more than one proxy, the proxy holders may only vote on a poll.
5. The Supplemental Proxy Form shall be signed by the appointer or his attorney duly authorised in writing or, in the case of a legal person, must be either executed under its common seal or under the hand of its directors or attorney duly authorised.
6. To be valid, the Supplemental Proxy Form must be lodged with the H Share Registrar, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong (for holders of H Shares) or the Company's board office in the PRC (for holders of Domestic Shares) within 24 hours prior to the holding of the EGM. If the Supplemental Proxy Form is signed by another person under a power of attorney or other authorisation documents given by the appointer, such power of attorney or other authorisation documents shall be notarised. The notarised power of attorney or other authorisation documents shall, together with the Supplemental Proxy Form, be deposited at the specified place at the time set out in such form. Completion and return of the Supplemental Proxy Form will not preclude Shareholders from attending and voting in person at the EGM or any adjourned meetings should you so wish.

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