公告日期：2026-03-30

Integrated Waste Solutions Group Holdings Limited

綜 合 環 保 集 團 有 限 公 司

(Incorporated in the Cayman Islands with limited liability)

（於開曼群島註冊成立的有限公司）

(stock code: 923)

（股份代號：923）

30 March 2026
Dear Non-registered Shareholder(s) (1),

Integrated Waste Solutions Group Holdings Limited (the “Company”)

– Notice of Publication of circular (the “Current Corporate Communications”) on the Company’s website

Please be informed that the English and Chinese versions of the Current Corporate Communications are available on the website of the Company at www.iwsgh.com and the
HKEXnews website at www.hkexnews.hk. The Company strongly recommends you to access the Current Corporate Communications on its website or the HKEXnews website.

As Non-registered Shareholder(s), if you wish to receive the Company’s corporate communications(2) in electronic form, you should liaise with your bank(s), broker(s),
custodian(s), nominee(s) or HKSCC Nominees Limited through which your shares in the Company are held (collectively, the “Intermediaries”) and provide your email
address to your Intermediaries. Please contact your intermediary/nominee for the detailed procedure. If the Company does not receive your functional email address from
the Intermediaries, until such time that the functional email address is provided to the Intermediaries, you will be unable to receive any notices of publication of the Website
Version of Corporate Communications (“Notice of Publication”) by email, and the Company would only be able to send you the Notice of Publication in printed form.

If you wish to receive printed version(s) of the Company’s corporate communications, please complete the Request Form on the reverse s……
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