Integrated Waste Solutions Group Holdings Limited — Proxy Solicitation & Information Statement 2025

Jul 29, 2025

TWS

Integrated Waste Solutions Group Holdings Limited

綜合環保集團有限公司

(Incorporated in the Cayman Islands with limited liability)

(stock code: 923)

29 July 2025

To the Shareholders

Letter to New Registered Shareholders – Election of language and means of receipt of Corporate Communications

We are pleased to enclose Integrated Waste Solutions Group Holdings Limited (the “Company”) 2025 Annual Report and Circular dated 29 July 2025 containing the notice of the annual general meeting together with the relevant proxy form (in both English and Chinese) for your attention.

Pursuant to the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited and the Company’s Articles of Association, the Company is permitted to supply Corporate Communications (Note) to Shareholders either (i) in printed form, in English and/or Chinese (“Printed Version”) or (ii) by electronic means through the Company’s website (www.iwsgh.com) and HKEXnews website (www.hkexnews.hk) (“Website Version”).

The purpose of this letter is to ascertain shareholders’ choice of receipt of all future Corporate Communications. Please complete the Reply Form on the reverse side of this letter and return it to the Company c/o Tricor Investor Services Limited, the branch share registrar and the transfer office of the Company in Hong Kong (the “Branch Share Registrar”), at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong by using the mailing label (applicable for posting within Hong Kong only) or by email to 923-ecom@vistra.com.

If you elect the Website Version and have specified your email address in the Reply Form, we will send you, on the day of issue, an email notification each time new Corporate Communications are posted on the Company’s official website for Corporate Communications above-mentioned. In case you have not provided your email address, we will notify you by mail instead. In support of environmental protection, the Company recommends that you elect the Website Version option.

If the Company does not receive the duly completed and signed Reply Form or any response in writing indicating any objection from you by 26 August 2025, and until you inform the Company c/o the Branch Share Registrar by reasonable prior notice in writing to 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong or by email to 923-ecom@vistra.com, you are deemed to have consented to receive the Website Version of all future Corporate Communications, and a written notification of the publication of the Corporate Communications on the website of the Company will be sent to you by post in the future.

You may at any time change your choice of language or means of receipt of all future Corporate Communications by giving not less than seven days’ notice in writing to the Company c/o the Branch Share Registrar (by post to 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong or by email to 923-ecom@vistra.com). Even if you have chosen (or are deemed to have chosen) the Website Version but for any reason have difficulty in accessing the relevant Corporate Communications electronically, or wish to receive printed copies, the Company or the Branch Share Registrar will upon your request send the Printed Version to you free of charge.

The Company’s 2025 Environmental, Social and Governance Report (“2025 ESG Report”) is published in electronic form only under the Investor Relations section of the Company’s website (www.iwsgh.com). If you wish to receive a printed copy of the 2025 ESG Report, you may submit your request to the Branch Share Registrar by post at the above address.

Should you have any queries relating to this letter, please call our Branch Share Registrar’s services hotline at (852) 2980 1333 during business hours from 9:00 a.m. to 5:00 p.m., Monday to Friday (excluding public holidays).

Yours faithfully,

For and on behalf of

Integrated Waste Solutions Group Holdings Limited

Cheng Chi Ming, Brian

Chairman

Note: Corporate Communications including but not limited to (a) the directors’ report, its annual accounts together with a copy of the auditors’ report and, where applicable, its summary financial report; (b) the interim report and, where applicable, its summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form.

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Name and Address of Registered Shareholder(s)

REPLY FORM

To: Integrated Waste Solutions Group Holdings Limited (the “Company”)
(Stock Code: 923)
c/o Tricor Investor Services Limited
17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong

I/We would like to receive all future corporate communications of the Company (“Corporate Communications”) in the manner as indicated below: (Please mark a “✓” in ONLY ONE of the following boxes.)

☐ to read all future Corporate Communications published of the website of the Company at www.iwsgh.com (the “Website Version”) instead of receiving printed copies, and to receive a written notification either by post or by email of the publication of the Corporate Communications on the website of the Company; OR

Email Address

(Please provide the email address in English Capital Letters and the email address will be used for email notification of the release of the Corporate Communications only. If no email address is provided, a printed notification letter of the posting of Corporate Communications on the website of the Company will be sent to you by post at your address as appearing in the Company’s register of members.)

☐ to receive the printed English version of all future Corporate Communications ONLY; OR
☐ to receive the printed Chinese version of all future Corporate Communications ONLY; OR
☐ to receive both printed English and Chinese versions of all future Corporate Communications.

Shareholder’s full name: ____
Date: ____

(Please use ENGLISH BLOCK LETTERS)

Registered address of Shareholder(s): _____

Contact telephone number: ____
Signature: ____

Notes:

1. Please complete all your details clearly. Any Reply Form that has not been completed clearly or otherwise incorrectly completed will be void at the discretion of the Company.
2. If your shares are held in joint names, the Shareholder whose name stands first on the register of members of the Company in respect of the joint holding should sign on this Reply Form in order to be valid.
3. For the avoidance of doubt, the Company does not accept any special instructions written on this Reply Form.
4. If we do not receive this Reply Form duly completed and signed by 26 August 2025, you will be deemed to have elected to access all Corporate Communications by electronic means through the Company’s website.

PERSONAL INFORMATION COLLECTION STATEMENT

“Personal Data” in this statement has the same meaning as “personal data” defined in the Personal Data (Privacy) Ordinance, Chapter 486 of the Laws of Hong Kong (the “PDPO”), which may include but not limited to your name, contact telephone number, email address and mailing address.

Your supply of Personal Data is on a voluntary basis for the purpose of receiving Corporate Communications in the manner chosen. Your Personal Data will be retained for such period as may be necessary for our verification and record purposes.

You have the right to request access to and/or correction of the respective Personal Data in accordance with the provisions of the PDPO. Any such request for access to and/or correction of the Personal Data should be in writing by either of the following means:

By mail to:
Privacy Compliance Officer
Tricor Investor Services Limited
17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong

By email to:
is-enquiries@vistra.com

Please cut the mailing label and stick it on an envelope to return this Reply Form to us.

No postage stamp is required if posted in Hong Kong.

Mailing Label
Tricor Investor Services Limited
Freepost No.: 10 GPO
Hong Kong
Integrated Waste Solutions Group Holdings Limited (923)