Sialon Ceramics Pty Ltd

Wallarah Minerals Pty Ltd

Mr. Ross K. Druitt
Managing Director of Sialon Ceramics Pty. Ltd. and Wallarah Minerals Pty. Ltd.
21 Plymouth Avenue, North Rocks, NSW 2151, Australia
Tel. +61 2 9872-5033; +61 2 9872-5993; Fax. +61 2 9873-1627; A.H. +61 2 9871-8452;

Sialon Ceramics ABN: 57 002 988 543; Wallarah Minerals ABN: 77 002 503 399

Email:

ross@sialon.com.au

wallarah@sialon.com.au

Company e-mail addresses

Ms. Deanna Clarke, P.A. to Ross Druitt	deanna@sialon.com.au
Customer Care	sialon@netspace.net.au
Accounting (Sialon Ceramics)	office@sialon.com.au
Accounting (Wallarah Minerals)	wallarah@ozemail.com.au

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For information regarding

and to contact

Prof. Charles C. Sorrell
Professor of Ceramic Engineering and Managing Director of Cerex Pty. Ltd.
School of Materials Science & Engineering, University of New South Wales, Sydney, NSW 2052, Australia, Tel. +61 2 9385-4421; Fax. +61 2 9385-5956

Email:

c.sorrell@unsw.edu.au