公告日期：2025-10-28

BROCKMAN MINING LIMITED

*

(incorporated in Bermuda with limited liability)

（於百慕達註冊成立之有限公司）

（SEHK Stock Code 香港聯交所股份代號：159）

（ASX Stock Code 澳洲交易所股份代號：BCK）

NOTIFICATION LETTER 通知信函

Dear Non-registered Shareholder(1),
Brockman Mining Limited (the “Company”)

— Notification of publication of Circular in relation to the (1) grant of general mandate to issue new shares, (2) re-election of directors
and (3) notice of Annual General Meeting (together as “Current Corporate Communications”) on the Company's website

The English and Chinese versions of the Company’s Current Corporate Communications are available on the Company’s website at
www.brockmanmining.com and the website of The Stock Exchange of Hong Kong Limited at www.hkexnews.hk.

The Company strongly recommends you to access the Website Version of the Current Corporate Communication and all future Corporate
Communications.

If you wish to receive the Current Corporate Communications in printed form, please complete the request form (the “ Request Form”) on the
reverse side of this letter and return the signed copy to the Company’s Hong Kong Branch Share Registrar, Tricor Investor Services Limited, at
17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong by post using the mailing label (for posting within Hong Kong only) at the bottom of
the Request Form.

Please note that by completing and returning the Request Form, you will expressly indicate that you opt for receiving all future Corporate
Communications(2) in printed copies until you notify the Company’s Hong Kong Branch Share Registrar to the contrary or cease to hold any shares
of the Company.

Should you have any queries relating to this notification letter, please do not hesitate to call the enquiry hotline at (852) 2980 1333 from 9:00 a.m. to
5:00 p.m. (Monday to Friday, excluding public holidays).

Yours……
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