ZENITH MINERALS LIMITED — Board/Management Information 2007

Jul 8, 2007

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9 July 2007

The Manager Company Announcement Office Australian Stock Exchange Limited Exchange Centre Level 4, 20 Bridge Street SYDNEY NSW 2000

Dear Sir

Re: APPOINTMENT OF JOINT COMPANY SECRETARY

Zinc Co Australia Limited wishes to announce that Alex Dermedgoglou has been appointed joint Company Secretary.

Yours faithfully

R M Joyce Director

Level 3, 33 Ord Street, West Perth, Western Australia 6005 PO Box 1426, West Perth, Western Australia 6872 Tel: (+61-8) 9226 1110 Fax: (+61-8) 9321 0070