公告日期：2025-09-10

China Shuifa Singyes New Materials Holdings Limited

中國水發興業新材料控股有限公司

(Incorporated in Bermuda with limited liability)

（於百慕達註冊成立的有限公司）

(Stock Code: 8073)

（股份代號：8073）

NOTIFICATION LETTER 通知信函

10 September 2025
Dear Non-registered Holder(s) (Note1),

China Shuifa Singyes New Materials Holdings Limited (the “Company”)

– Notice of publication of Interim Report of 2025 (the “Current Corporate Communication”) on website

The English and Chinese versions of the Company’s Current Corporate Communications are available on the Company’s website at www.syeamt.com and the website of The
Stock Exchange of Hong Kong Limited (the “Stock Exchange”) at www.hkexnews.hk respectively (the “Website Version”). The Company strongly recommends you to access
theWebsiteVersion of Current Corporate Communication.

If you for any reason have difficulty in receiving email notification or gaining access to the Website Version of the Corporate Communications and would like to receive the
Current Corporate Communication and all future Corporate Communications in printed form, please complete, sign the enclosed Request Form and return it to the Company’s
branch share registrar in Hong Kong, Tricor Investor Services Limited (“Branch Share Registrar”) at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong by post using
the provided prepaid mailing label (no stamp is needed if posted in Hong Kong) or by email to 8073-ecom@vistra.com. The Company will promptly upon your request send the
Current Corporate Communications to you in printed form free of charge.

As a Non-registered Holder, if you wish to receive Corporate Communications of……
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