MATSA RESOURCES LIMITED — Board/Management Information 2007

Dec 3, 2007

KALGOORLIE-BOULDER RESOURCES LTD

ABN 48 106 732 487

ASX Announcement ASX Codes: KAL, KALO

4 December 2007

RETIREMENT OF DIRECTOR

Following the Company’s Annual General Meeting on 28 November 2007 the Company wishes to advise that Mr David Prentice has retired as a director of the Company with effect from that date.

The Board would like to thank David for his services over the past three years.

Mr Trevor Matthews has become a non-executive director and Mr Stanley Lewis has assumed an executive director’s role on the Board.

Attached is the Appendix 3Z Final Directors Notice for Mr David Prentice.

Yours Sincerely,

==> picture [138 x 44] intentionally omitted <==

Andrew Chapman Company Secretary

Suite 1, Vosper House, 31-33 Duggan Street, Kalgoorlie WA 6430 PO Box 10808, Kalgoorlie WA 6430 Tel: 08 9021 7200 Fax: 08 9021 7277 admin@kbrl.com.au

www.kalgoorlieboulderres.com.au

Appendix 3Z Final Director’s Interest Notice

Rule 3.19A.3

Appendix 3Z

Final Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/9/2001.

Name of entity KALGOORLIE-BOULDER RESOURCES LTD ABN 48 106 732 487

We (the entity) give ASX the following information under listing rule 3.19A.3 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of director	David Prentice
Date of last notice	23 January 2007
Date that director ceased to be director	28 November 2007

Part 1 – Director’s relevant interests in securities of which the director is the registered holder

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Number & class of securities

Direct: 500,000 Fully Paid Ordinary Shares

125,000 Listed Options expiring 31 July 2008 exercisable at 20 cents each

500,000 Options expiring 31 July 2008 exercisable at 30 cents each

• 500,000 Options expiring 31 July 2008 exercisable at 40 cents each

• See chapter 19 for defined terms.

Appendix 3Z Page 1

11/3/2002

Appendix 3Z Final Director’s Interest Notice

Part 2 – Director’s relevant interests in securities of which the director is not the registered holder

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Name of holder & nature of interest Note: Provide details of the circumstances giving rise to the relevant interest D&M Prentice Superannuation Fund	Number & class of securities 200,000 Fully Paid Ordinary Shares 50,000 Listed Options expiring 31 July 2008 exercisable at 20 cents each

Part 3 – Director’s interests in contracts

Detail of contract Nature of interest Name of registered holder (if issued securities) No. and class of securities to which interest relates

• See chapter 19 for defined terms.

Appendix 3Z Page 2

11/3/2002