Datang Environment Industry Group Co., Ltd. — AGM Information 2023

May 31, 2023

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Datang Environment Industry Group Co., Ltd.*

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

(Stock Code: 1272)

NOTICE OF 2022 ANNUAL GENERAL MEETING

NOTICE IS HEREBY GIVEN that the annual general meeting of Datang Environment Industry Group Co., Ltd.* (the “ Company ”) for the year of 2022 (the “ 2022 AGM ”) will be convened at 3:30 p.m. on Thursday, 29 June 2023 at No. 120 Zizhuyuan Road, Haidian District, Beijing, the PRC, for the purpose of considering and, if thought fit, passing the following matters (whether amended or not). Terms used in this notice shall have the same meanings as those defined in the circular of the Company dated 31 May 2023 (the “ Circular ”) unless otherwise specified.

Ordinary Resolutions

• (1) To consider and approve the Report of the Board for 2022;

• (2) To consider and approve the Report of the Supervisory Committee for 2022;

• (3) To consider and approve the Independent Auditor’s Report and the Audited Financial Statements for 2022;

• (4) To consider and approve the Final Financial Accounts for 2022;

• (5) To consider and approve the Financial Budget Report for 2023;

• (6) To consider and approve the Profit Distribution Plan for 2022 and the Proposed 2022 Final Dividend;

• (7) To consider and approve the re-appointment of Moore Stephens CPA Limited and Da Hua CPAs (Special General Partnership) as international and domestic auditors of the Company for 2023, respectively, with terms of engagement ended upon the conclusion of the 2023 annual general meeting of the Company, and the grant of authority to the Board, which further grants such authority to the senior management of the Company to determine remunerations of the auditors;

• For identification purpose only

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• (8) To consider and approve the Remuneration Reports for Directors and Supervisors for 2022; and

• (9) To consider and approve the Investment Plan for 2023.

Special Resolution

• (10) To consider and approve the Proposed Amendments to the Articles of Association.

The main texts of resolutions at the 2022 AGM are set forth in the Circular, 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).

By order of the Board Datang Environment Industry Group Co., Ltd. Zhu Liming* Chairman

Beijing, the PRC, 31 May 2023

As of the date of this notice, the executive Directors are Mr. Zhu Liming and Mr. Shen Zhen; the nonexecutive Directors are Mr. Wang Junqi, Mr. Wu Daqing, Mr. Chen Kan and Mr. Song Yunpeng; and the independent non-executive Directors are Mr. Ye Xiang, Mr. Mao Zhuanjian and Mr. Gao Jiaxiang.

Notes:

• i. In order to ascertain the entitlements of the Shareholders to attend and vote at the 2022 AGM, the register of members of the Company will be closed from Monday, 26 June 2023 to Thursday, 29 June 2023 (both days inclusive). Shareholders whose names appear on the register of members of the Company upon the end of business hours on Thursday, 29 June 2023 are entitled to attend and vote at the 2022 AGM.

To be eligible to attend and vote at the 2022 AGM, all transfer documents must be lodged with the H Share Registrar, Computershare Hong Kong Investor Services Limited at Shops 1712-1716, 17th 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 at No. 120 Zizhuyuan Road, Haidian District, Beijing, the PRC, 100097 (for holders of Domestic Shares), no later than 4:30 p.m. on Friday, 23 June 2023.

• ii. Each Shareholder entitled to attend and vote at the 2022 AGM may, by completing the form of proxy of the Company, appoint one or more proxies to attend and vote at the 2022 AGM 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.

• iii. The instrument to appoint a proxy 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.

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• iv. To be valid, the form of proxy 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 2022 AGM. If such instrument 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 instrument appointing the proxy, be deposited at the specified place at the time set out in such instrument. Completion and return of the proxy form will not preclude Shareholders from attending and voting in person at the 2022 AGM or any adjourned meetings should you so wish.

• v. Shareholders shall produce their identity documents and supporting documents in respect of Shares held when attending the 2022 AGM. If corporate Shareholders appoint authorised representative to attend the 2022 AGM, the authorised representative shall produce his/her identity documents and a notarised certified copy of the relevant authorised documents signed by the Board or other authorised parties of the Shareholders or other notarised certified documents allowed by the Company. Proxies shall produce their identity documents and the proxy forms signed by the Shareholders or their attorney when attending the 2022 AGM.

• vi. The Company has the rights to request a proxy who attends the 2022 AGM on behalf of a Shareholder to provide proof of identity.

• vii. The 2022 AGM is expected to be held for less than half a day. Shareholders who intend to attend the 2022 AGM shall bear their own transportation and accommodation expenses.

• viii. In case of joint Shareholders, the vote of the most senior one (in person or by proxy) will be accepted to the exclusion of the votes of other joint Shareholders, and for this purpose, the seniority shall be determined by the order in which the names of such joint Shareholders stand in the register of members of the Company.

• ix. H Share Registrar, Computershare Hong Kong Investor Services Limited, is situated at Shops 1712– 1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong, and with the fax number: +852 2865 0990.

• x. The contact details of the Company’s board office in the PRC are as follows: Address: No. 120 Zizhuyuan Road, Haidian District, Beijing, the PRC, 100097 Fax number: +86 10 5838 9860

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