公告日期：2025-09-30

SICC CO., LTD.

山東天岳先進科技股份有限公司

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

（於中華人民共和國註冊成立的股份有限公司）

(Stock Code 股份代號: 2631)

30 September 2025
Dear Registered Shareholder(s),

Arrangement of Electronic Dissemination of Corporate Communications

Pursuant to Rule 2.07A of the Rules Governing The Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”) under the expansion
ofpaperlesslisting regimeand electronicdissemination ofcorporatecommunicationsthat cameinto effecton31 December2023,SICCCO.,LTD. (the“Company”)
is writing to inform you that the Company has adopted electronic dissemination of corporate communications (the “Corporate Communications”), which mean
any documents issued or to be issued by the Company for the information or action of holders of any of its securities, including but not limited to (a) the directors’
report,itsannualaccountstogetherwithacopyoftheauditors’reportand,whereapplicable,itssummary financialreport;(b)theinterimreportand,whereapplicable,
its summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form.

Please note that both the English and Chinese versions of all future Corporate Communications will be available electronically on the website of the Company at
https://sicc.cc/ and the HKEXnews website at www.hkexnews.hk in place of printed copies.

Solicitation of electronic contact details

To ensure timely receipt of the Actionable Corporate Communications (Note), the Company recommends you to provide your email address by scanning your
personalized QR code printed on the encl……
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